Imported Upstream version 5upstream/5upstream

Change-Id: Id0c1b9a1da19e95ed2c96f45fffd784dde1104d9
Signed-off-by: DongHun Kwak <dh0128.kwak@samsung.com>

28 files changed, 2672 insertions, 1354 deletions

diff --git a/COPYING b/COPYING
index d60c31a..87e7c44 100644
--- a/COPYING
+++ b/COPYING
@@ -2,7 +2,7 @@
 		       Version 2, June 1991
 
  Copyright (C) 1989, 1991 Free Software Foundation, Inc.
-     59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+     51 Franklin Street, Suite 500, Boston, MA  02110-1335  USA
  Everyone is permitted to copy and distribute verbatim copies
  of this license document, but changing it is not allowed.
 
@@ -305,7 +305,7 @@ the "copyright" line and a pointer to where the full notice is found.
 
     You should have received a copy of the GNU General Public License
     along with this program; if not, write to the Free Software
-    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+    Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA  02110-1335  USA
 
 
 Also add information on how to contact you by electronic and paper mail.
diff --git a/INSTALL b/INSTALL
index 2550dab..007e939 100644
--- a/INSTALL
+++ b/INSTALL
@@ -1,11 +1,13 @@
 Installation Instructions
 *************************
 
-Copyright (C) 1994, 1995, 1996, 1999, 2000, 2001, 2002, 2004, 2005,
-2006, 2007, 2008, 2009 Free Software Foundation, Inc.
+Copyright (C) 1994-1996, 1999-2002, 2004-2013 Free Software Foundation,
+Inc.
 
-   This file is free documentation; the Free Software Foundation gives
-unlimited permission to copy, distribute and modify it.
+   Copying and distribution of this file, with or without modification,
+are permitted in any medium without royalty provided the copyright
+notice and this notice are preserved.  This file is offered as-is,
+without warranty of any kind.
 
 Basic Installation
 ==================
@@ -13,7 +15,11 @@ Basic Installation
    Briefly, the shell commands `./configure; make; make install' should
 configure, build, and install this package.  The following
 more-detailed instructions are generic; see the `README' file for
-instructions specific to this package.
+instructions specific to this package.  Some packages provide this
+`INSTALL' file but do not implement all of the features documented
+below.  The lack of an optional feature in a given package is not
+necessarily a bug.  More recommendations for GNU packages can be found
+in *note Makefile Conventions: (standards)Makefile Conventions.
 
    The `configure' shell script attempts to guess correct values for
 various system-dependent variables used during compilation.  It uses
@@ -42,7 +48,7 @@ may remove or edit it.
 you want to change it or regenerate `configure' using a newer version
 of `autoconf'.
 
-The simplest way to compile this package is:
+   The simplest way to compile this package is:
 
   1. `cd' to the directory containing the package's source code and type
      `./configure' to configure the package for your system.
@@ -53,12 +59,22 @@ The simplest way to compile this package is:
   2. Type `make' to compile the package.
 
   3. Optionally, type `make check' to run any self-tests that come with
-     the package.
+     the package, generally using the just-built uninstalled binaries.
 
   4. Type `make install' to install the programs and any data files and
-     documentation.
-
-  5. You can remove the program binaries and object files from the
+     documentation.  When installing into a prefix owned by root, it is
+     recommended that the package be configured and built as a regular
+     user, and only the `make install' phase executed with root
+     privileges.
+
+  5. Optionally, type `make installcheck' to repeat any self-tests, but
+     this time using the binaries in their final installed location.
+     This target does not install anything.  Running this target as a
+     regular user, particularly if the prior `make install' required
+     root privileges, verifies that the installation completed
+     correctly.
+
+  6. You can remove the program binaries and object files from the
      source code directory by typing `make clean'.  To also remove the
      files that `configure' created (so you can compile the package for
      a different kind of computer), type `make distclean'.  There is
@@ -67,8 +83,15 @@ The simplest way to compile this package is:
      all sorts of other programs in order to regenerate files that came
      with the distribution.
 
-  6. Often, you can also type `make uninstall' to remove the installed
-     files again.
+  7. Often, you can also type `make uninstall' to remove the installed
+     files again.  In practice, not all packages have tested that
+     uninstallation works correctly, even though it is required by the
+     GNU Coding Standards.
+
+  8. Some packages, particularly those that use Automake, provide `make
+     distcheck', which can by used by developers to test that all other
+     targets like `make install' and `make uninstall' work correctly.
+     This target is generally not run by end users.
 
 Compilers and Options
 =====================
@@ -93,7 +116,8 @@ same time, by placing the object files for each architecture in their
 own directory.  To do this, you can use GNU `make'.  `cd' to the
 directory where you want the object files and executables to go and run
 the `configure' script.  `configure' automatically checks for the
-source code in the directory that `configure' is in and in `..'.
+source code in the directory that `configure' is in and in `..'.  This
+is known as a "VPATH" build.
 
    With a non-GNU `make', it is safer to compile the package for one
 architecture at a time in the source code directory.  After you have
@@ -120,7 +144,8 @@ Installation Names
    By default, `make install' installs the package's commands under
 `/usr/local/bin', include files under `/usr/local/include', etc.  You
 can specify an installation prefix other than `/usr/local' by giving
-`configure' the option `--prefix=PREFIX'.
+`configure' the option `--prefix=PREFIX', where PREFIX must be an
+absolute file name.
 
    You can specify separate installation prefixes for
 architecture-specific files and architecture-independent files.  If you
@@ -131,15 +156,46 @@ Documentation and other data files still use the regular prefix.
    In addition, if you use an unusual directory layout you can give
 options like `--bindir=DIR' to specify different values for particular
 kinds of files.  Run `configure --help' for a list of the directories
-you can set and what kinds of files go in them.
+you can set and what kinds of files go in them.  In general, the
+default for these options is expressed in terms of `${prefix}', so that
+specifying just `--prefix' will affect all of the other directory
+specifications that were not explicitly provided.
+
+   The most portable way to affect installation locations is to pass the
+correct locations to `configure'; however, many packages provide one or
+both of the following shortcuts of passing variable assignments to the
+`make install' command line to change installation locations without
+having to reconfigure or recompile.
+
+   The first method involves providing an override variable for each
+affected directory.  For example, `make install
+prefix=/alternate/directory' will choose an alternate location for all
+directory configuration variables that were expressed in terms of
+`${prefix}'.  Any directories that were specified during `configure',
+but not in terms of `${prefix}', must each be overridden at install
+time for the entire installation to be relocated.  The approach of
+makefile variable overrides for each directory variable is required by
+the GNU Coding Standards, and ideally causes no recompilation.
+However, some platforms have known limitations with the semantics of
+shared libraries that end up requiring recompilation when using this
+method, particularly noticeable in packages that use GNU Libtool.
+
+   The second method involves providing the `DESTDIR' variable.  For
+example, `make install DESTDIR=/alternate/directory' will prepend
+`/alternate/directory' before all installation names.  The approach of
+`DESTDIR' overrides is not required by the GNU Coding Standards, and
+does not work on platforms that have drive letters.  On the other hand,
+it does better at avoiding recompilation issues, and works well even
+when some directory options were not specified in terms of `${prefix}'
+at `configure' time.
+
+Optional Features
+=================
 
    If the package supports it, you can cause programs to be installed
 with an extra prefix or suffix on their names by giving `configure' the
 option `--program-prefix=PREFIX' or `--program-suffix=SUFFIX'.
 
-Optional Features
-=================
-
    Some packages pay attention to `--enable-FEATURE' options to
 `configure', where FEATURE indicates an optional part of the package.
 They may also pay attention to `--with-PACKAGE' options, where PACKAGE
@@ -152,6 +208,13 @@ find the X include and library files automatically, but if it doesn't,
 you can use the `configure' options `--x-includes=DIR' and
 `--x-libraries=DIR' to specify their locations.
 
+   Some packages offer the ability to configure how verbose the
+execution of `make' will be.  For these packages, running `./configure
+--enable-silent-rules' sets the default to minimal output, which can be
+overridden with `make V=1'; while running `./configure
+--disable-silent-rules' sets the default to verbose, which can be
+overridden with `make V=0'.
+
 Particular systems
 ==================
 
@@ -163,6 +226,11 @@ order to use an ANSI C compiler:
 
 and if that doesn't work, install pre-built binaries of GCC for HP-UX.
 
+   HP-UX `make' updates targets which have the same time stamps as
+their prerequisites, which makes it generally unusable when shipped
+generated files such as `configure' are involved.  Use GNU `make'
+instead.
+
    On OSF/1 a.k.a. Tru64, some versions of the default C compiler cannot
 parse its `<wchar.h>' header file.  The option `-nodtk' can be used as
 a workaround.  If GNU CC is not installed, it is therefore recommended
@@ -241,9 +309,10 @@ causes the specified `gcc' to be used as the C compiler (unless it is
 overridden in the site shell script).
 
 Unfortunately, this technique does not work for `CONFIG_SHELL' due to
-an Autoconf bug.  Until the bug is fixed you can use this workaround:
+an Autoconf limitation.  Until the limitation is lifted, you can use
+this workaround:
 
-     CONFIG_SHELL=/bin/bash /bin/bash ./configure CONFIG_SHELL=/bin/bash
+     CONFIG_SHELL=/bin/bash ./configure CONFIG_SHELL=/bin/bash
 
 `configure' Invocation
 ======================
@@ -288,7 +357,7 @@ operates.
      `configure' can determine that directory automatically.
 
 `--prefix=DIR'
-     Use DIR as the installation prefix.  *Note Installation Names::
+     Use DIR as the installation prefix.  *note Installation Names::
      for more details, including other options available for fine-tuning
      the installation locations.
 
@@ -299,4 +368,3 @@ operates.
 
 `configure' also accepts some other, not widely useful, options.  Run
 `configure --help' for more details.
-
diff --git a/Makefile.in b/Makefile.in
index b7a0459..19f3578 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -1,9 +1,8 @@
-# Makefile.in generated by automake 1.11.1 from Makefile.am.
+# Makefile.in generated by automake 1.13.3 from Makefile.am.
 # @configure_input@
 
-# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
-# 2003, 2004, 2005, 2006, 2007, 2008, 2009  Free Software Foundation,
-# Inc.
+# Copyright (C) 1994-2013 Free Software Foundation, Inc.
+
 # This Makefile.in is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
@@ -17,6 +16,51 @@
 
 
 VPATH = @srcdir@
+am__is_gnu_make = test -n '$(MAKEFILE_LIST)' && test -n '$(MAKELEVEL)'
+am__make_running_with_option = \
+  case $${target_option-} in \
+      ?) ;; \
+      *) echo "am__make_running_with_option: internal error: invalid" \
+              "target option '$${target_option-}' specified" >&2; \
+         exit 1;; \
+  esac; \
+  has_opt=no; \
+  sane_makeflags=$$MAKEFLAGS; \
+  if $(am__is_gnu_make); then \
+    sane_makeflags=$$MFLAGS; \
+  else \
+    case $$MAKEFLAGS in \
+      *\\[\ \	]*) \
+        bs=\\; \
+        sane_makeflags=`printf '%s\n' "$$MAKEFLAGS" \
+          | sed "s/$$bs$$bs[$$bs $$bs	]*//g"`;; \
+    esac; \
+  fi; \
+  skip_next=no; \
+  strip_trailopt () \
+  { \
+    flg=`printf '%s\n' "$$flg" | sed "s/$$1.*$$//"`; \
+  }; \
+  for flg in $$sane_makeflags; do \
+    test $$skip_next = yes && { skip_next=no; continue; }; \
+    case $$flg in \
+      *=*|--*) continue;; \
+        -*I) strip_trailopt 'I'; skip_next=yes;; \
+      -*I?*) strip_trailopt 'I';; \
+        -*O) strip_trailopt 'O'; skip_next=yes;; \
+      -*O?*) strip_trailopt 'O';; \
+        -*l) strip_trailopt 'l'; skip_next=yes;; \
+      -*l?*) strip_trailopt 'l';; \
+      -[dEDm]) skip_next=yes;; \
+      -[JT]) skip_next=yes;; \
+    esac; \
+    case $$flg in \
+      *$$target_option*) has_opt=yes; break;; \
+    esac; \
+  done; \
+  test $$has_opt = yes
+am__make_dryrun = (target_option=n; $(am__make_running_with_option))
+am__make_keepgoing = (target_option=k; $(am__make_running_with_option))
 pkgdatadir = $(datadir)/@PACKAGE@
 pkgincludedir = $(includedir)/@PACKAGE@
 pkglibdir = $(libdir)/@PACKAGE@
@@ -36,11 +80,11 @@ POST_UNINSTALL = :
 sbin_PROGRAMS = rngd$(EXEEXT)
 bin_PROGRAMS = rngtest$(EXEEXT)
 subdir = .
-DIST_COMMON = README $(am__configure_deps) $(srcdir)/Makefile.am \
-	$(srcdir)/Makefile.in $(srcdir)/rng-tools-config.h.in \
-	$(srcdir)/rngd.8.in $(srcdir)/rngtest.1.in \
-	$(top_srcdir)/configure AUTHORS COPYING ChangeLog INSTALL NEWS \
-	depcomp install-sh missing
+DIST_COMMON = INSTALL NEWS README AUTHORS ChangeLog \
+	$(srcdir)/Makefile.in $(srcdir)/Makefile.am \
+	$(top_srcdir)/configure $(am__configure_deps) \
+	$(srcdir)/rng-tools-config.h.in $(srcdir)/rngd.8.in \
+	$(srcdir)/rngtest.1.in depcomp COPYING install-sh missing
 ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
 am__aclocal_m4_deps = $(top_srcdir)/configure.ac
 am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
@@ -54,6 +98,10 @@ CONFIG_CLEAN_VPATH_FILES =
 LIBRARIES = $(noinst_LIBRARIES)
 AR = ar
 ARFLAGS = cru
+AM_V_AR = $(am__v_AR_@AM_V@)
+am__v_AR_ = $(am__v_AR_@AM_DEFAULT_V@)
+am__v_AR_0 = @echo "  AR      " $@;
+am__v_AR_1 = 
 librngd_a_AR = $(AR) $(ARFLAGS)
 librngd_a_LIBADD =
 am_librngd_a_OBJECTS = fips.$(OBJEXT)
@@ -69,25 +117,55 @@ rngd_DEPENDENCIES = librngd.a
 am_rngtest_OBJECTS = stats.$(OBJEXT) rngtest.$(OBJEXT)
 rngtest_OBJECTS = $(am_rngtest_OBJECTS)
 rngtest_DEPENDENCIES = librngd.a
+AM_V_P = $(am__v_P_@AM_V@)
+am__v_P_ = $(am__v_P_@AM_DEFAULT_V@)
+am__v_P_0 = false
+am__v_P_1 = :
+AM_V_GEN = $(am__v_GEN_@AM_V@)
+am__v_GEN_ = $(am__v_GEN_@AM_DEFAULT_V@)
+am__v_GEN_0 = @echo "  GEN     " $@;
+am__v_GEN_1 = 
+AM_V_at = $(am__v_at_@AM_V@)
+am__v_at_ = $(am__v_at_@AM_DEFAULT_V@)
+am__v_at_0 = @
+am__v_at_1 = 
 DEFAULT_INCLUDES = -I.@am__isrc@
 depcomp = $(SHELL) $(top_srcdir)/depcomp
 am__depfiles_maybe = depfiles
 am__mv = mv -f
 CPPASCOMPILE = $(CCAS) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) \
 	$(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CCASFLAGS) $(CCASFLAGS)
+AM_V_CPPAS = $(am__v_CPPAS_@AM_V@)
+am__v_CPPAS_ = $(am__v_CPPAS_@AM_DEFAULT_V@)
+am__v_CPPAS_0 = @echo "  CPPAS   " $@;
+am__v_CPPAS_1 = 
 COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
 	$(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
+AM_V_CC = $(am__v_CC_@AM_V@)
+am__v_CC_ = $(am__v_CC_@AM_DEFAULT_V@)
+am__v_CC_0 = @echo "  CC      " $@;
+am__v_CC_1 = 
 CCLD = $(CC)
 LINK = $(CCLD) $(AM_CFLAGS) $(CFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@
+AM_V_CCLD = $(am__v_CCLD_@AM_V@)
+am__v_CCLD_ = $(am__v_CCLD_@AM_DEFAULT_V@)
+am__v_CCLD_0 = @echo "  CCLD    " $@;
+am__v_CCLD_1 = 
 SOURCES = $(librngd_a_SOURCES) $(rngd_SOURCES) $(rngtest_SOURCES)
 DIST_SOURCES = $(librngd_a_SOURCES) $(rngd_SOURCES) $(rngtest_SOURCES)
-RECURSIVE_TARGETS = all-recursive check-recursive dvi-recursive \
-	html-recursive info-recursive install-data-recursive \
-	install-dvi-recursive install-exec-recursive \
-	install-html-recursive install-info-recursive \
-	install-pdf-recursive install-ps-recursive install-recursive \
-	installcheck-recursive installdirs-recursive pdf-recursive \
-	ps-recursive uninstall-recursive
+RECURSIVE_TARGETS = all-recursive check-recursive cscopelist-recursive \
+	ctags-recursive dvi-recursive html-recursive info-recursive \
+	install-data-recursive install-dvi-recursive \
+	install-exec-recursive install-html-recursive \
+	install-info-recursive install-pdf-recursive \
+	install-ps-recursive install-recursive installcheck-recursive \
+	installdirs-recursive pdf-recursive ps-recursive \
+	tags-recursive uninstall-recursive
+am__can_run_installinfo = \
+  case $$AM_UPDATE_INFO_DIR in \
+    n|no|NO) false;; \
+    *) (install-info --version) >/dev/null 2>&1;; \
+  esac
 am__vpath_adj_setup = srcdirstrip=`echo "$(srcdir)" | sed 's|.|.|g'`;
 am__vpath_adj = case $$p in \
     $(srcdir)/*) f=`echo "$$p" | sed "s|^$$srcdirstrip/||"`;; \
@@ -109,25 +187,56 @@ am__nobase_list = $(am__nobase_strip_setup); \
 am__base_list = \
   sed '$$!N;$$!N;$$!N;$$!N;$$!N;$$!N;$$!N;s/\n/ /g' | \
   sed '$$!N;$$!N;$$!N;$$!N;s/\n/ /g'
+am__uninstall_files_from_dir = { \
+  test -z "$$files" \
+    || { test ! -d "$$dir" && test ! -f "$$dir" && test ! -r "$$dir"; } \
+    || { echo " ( cd '$$dir' && rm -f" $$files ")"; \
+         $(am__cd) "$$dir" && rm -f $$files; }; \
+  }
 man1dir = $(mandir)/man1
 man8dir = $(mandir)/man8
 NROFF = nroff
 MANS = $(man_MANS)
 RECURSIVE_CLEAN_TARGETS = mostlyclean-recursive clean-recursive	\
   distclean-recursive maintainer-clean-recursive
-AM_RECURSIVE_TARGETS = $(RECURSIVE_TARGETS:-recursive=) \
-	$(RECURSIVE_CLEAN_TARGETS:-recursive=) tags TAGS ctags CTAGS \
-	distdir dist dist-all distcheck
+am__recursive_targets = \
+  $(RECURSIVE_TARGETS) \
+  $(RECURSIVE_CLEAN_TARGETS) \
+  $(am__extra_recursive_targets)
+AM_RECURSIVE_TARGETS = $(am__recursive_targets:-recursive=) TAGS CTAGS \
+	cscope distdir dist dist-all distcheck
+am__tagged_files = $(HEADERS) $(SOURCES) $(TAGS_FILES) \
+	$(LISP)rng-tools-config.h.in
+# Read a list of newline-separated strings from the standard input,
+# and print each of them once, without duplicates.  Input order is
+# *not* preserved.
+am__uniquify_input = $(AWK) '\
+  BEGIN { nonempty = 0; } \
+  { items[$$0] = 1; nonempty = 1; } \
+  END { if (nonempty) { for (i in items) print i; }; } \
+'
+# Make sure the list of sources is unique.  This is necessary because,
+# e.g., the same source file might be shared among _SOURCES variables
+# for different programs/libraries.
+am__define_uniq_tagged_files = \
+  list='$(am__tagged_files)'; \
+  unique=`for i in $$list; do \
+    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+  done | $(am__uniquify_input)`
 ETAGS = etags
 CTAGS = ctags
+CSCOPE = cscope
 DIST_SUBDIRS = $(SUBDIRS)
 DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
 distdir = $(PACKAGE)-$(VERSION)
 top_distdir = $(distdir)
 am__remove_distdir = \
-  { test ! -d "$(distdir)" \
-    || { find "$(distdir)" -type d ! -perm -200 -exec chmod u+w {} ';' \
-         && rm -fr "$(distdir)"; }; }
+  if test -d "$(distdir)"; then \
+    find "$(distdir)" -type d ! -perm -200 -exec chmod u+w {} ';' \
+      && rm -rf "$(distdir)" \
+      || { sleep 5 && rm -rf "$(distdir)"; }; \
+  else :; fi
+am__post_remove_distdir = $(am__remove_distdir)
 am__relativize = \
   dir0=`pwd`; \
   sed_first='s,^\([^/]*\)/.*$$,\1,'; \
@@ -155,10 +264,14 @@ am__relativize = \
   reldir="$$dir2"
 DIST_ARCHIVES = $(distdir).tar.gz
 GZIP_ENV = --best
+DIST_TARGETS = dist-gzip
 distuninstallcheck_listfiles = find . -type f -print
+am__distuninstallcheck_listfiles = $(distuninstallcheck_listfiles) \
+  | sed 's|^\./|$(prefix)/|' | grep -v '$(infodir)/dir$$'
 distcleancheck_listfiles = find . -type f -print
 ACLOCAL = @ACLOCAL@
 AMTAR = @AMTAR@
+AM_DEFAULT_VERBOSITY = @AM_DEFAULT_VERBOSITY@
 AUTOCONF = @AUTOCONF@
 AUTOHEADER = @AUTOHEADER@
 AUTOMAKE = @AUTOMAKE@
@@ -265,7 +378,7 @@ all: rng-tools-config.h
 
 .SUFFIXES:
 .SUFFIXES: .S .c .o .obj
-am--refresh:
+am--refresh: Makefile
 	@:
 $(srcdir)/Makefile.in: @MAINTAINER_MODE_TRUE@ $(srcdir)/Makefile.am  $(am__configure_deps)
 	@for dep in $?; do \
@@ -301,10 +414,8 @@ $(ACLOCAL_M4): @MAINTAINER_MODE_TRUE@ $(am__aclocal_m4_deps)
 $(am__aclocal_m4_deps):
 
 rng-tools-config.h: stamp-h1
-	@if test ! -f $@; then \
-	  rm -f stamp-h1; \
-	  $(MAKE) $(AM_MAKEFLAGS) stamp-h1; \
-	else :; fi
+	@if test ! -f $@; then rm -f stamp-h1; else :; fi
+	@if test ! -f $@; then $(MAKE) $(AM_MAKEFLAGS) stamp-h1; else :; fi
 
 stamp-h1: $(srcdir)/rng-tools-config.h.in $(top_builddir)/config.status
 	@rm -f stamp-h1
@@ -323,20 +434,25 @@ rngtest.1: $(top_builddir)/config.status $(srcdir)/rngtest.1.in
 
 clean-noinstLIBRARIES:
 	-test -z "$(noinst_LIBRARIES)" || rm -f $(noinst_LIBRARIES)
-librngd.a: $(librngd_a_OBJECTS) $(librngd_a_DEPENDENCIES) 
-	-rm -f librngd.a
-	$(librngd_a_AR) librngd.a $(librngd_a_OBJECTS) $(librngd_a_LIBADD)
-	$(RANLIB) librngd.a
+
+librngd.a: $(librngd_a_OBJECTS) $(librngd_a_DEPENDENCIES) $(EXTRA_librngd_a_DEPENDENCIES) 
+	$(AM_V_at)-rm -f librngd.a
+	$(AM_V_AR)$(librngd_a_AR) librngd.a $(librngd_a_OBJECTS) $(librngd_a_LIBADD)
+	$(AM_V_at)$(RANLIB) librngd.a
 install-binPROGRAMS: $(bin_PROGRAMS)
 	@$(NORMAL_INSTALL)
-	test -z "$(bindir)" || $(MKDIR_P) "$(DESTDIR)$(bindir)"
 	@list='$(bin_PROGRAMS)'; test -n "$(bindir)" || list=; \
+	if test -n "$$list"; then \
+	  echo " $(MKDIR_P) '$(DESTDIR)$(bindir)'"; \
+	  $(MKDIR_P) "$(DESTDIR)$(bindir)" || exit 1; \
+	fi; \
 	for p in $$list; do echo "$$p $$p"; done | \
 	sed 's/$(EXEEXT)$$//' | \
-	while read p p1; do if test -f $$p; \
-	  then echo "$$p"; echo "$$p"; else :; fi; \
+	while read p p1; do if test -f $$p \
+	  ; then echo "$$p"; echo "$$p"; else :; fi; \
 	done | \
-	sed -e 'p;s,.*/,,;n;h' -e 's|.*|.|' \
+	sed -e 'p;s,.*/,,;n;h' \
+	    -e 's|.*|.|' \
 	    -e 'p;x;s,.*/,,;s/$(EXEEXT)$$//;$(transform);s/$$/$(EXEEXT)/' | \
 	sed 'N;N;N;s,\n, ,g' | \
 	$(AWK) 'BEGIN { files["."] = ""; dirs["."] = 1 } \
@@ -357,7 +473,8 @@ uninstall-binPROGRAMS:
 	@list='$(bin_PROGRAMS)'; test -n "$(bindir)" || list=; \
 	files=`for p in $$list; do echo "$$p"; done | \
 	  sed -e 'h;s,^.*/,,;s/$(EXEEXT)$$//;$(transform)' \
-	      -e 's/$$/$(EXEEXT)/' `; \
+	      -e 's/$$/$(EXEEXT)/' \
+	`; \
 	test -n "$$list" || exit 0; \
 	echo " ( cd '$(DESTDIR)$(bindir)' && rm -f" $$files ")"; \
 	cd "$(DESTDIR)$(bindir)" && rm -f $$files
@@ -366,14 +483,18 @@ clean-binPROGRAMS:
 	-test -z "$(bin_PROGRAMS)" || rm -f $(bin_PROGRAMS)
 install-sbinPROGRAMS: $(sbin_PROGRAMS)
 	@$(NORMAL_INSTALL)
-	test -z "$(sbindir)" || $(MKDIR_P) "$(DESTDIR)$(sbindir)"
 	@list='$(sbin_PROGRAMS)'; test -n "$(sbindir)" || list=; \
+	if test -n "$$list"; then \
+	  echo " $(MKDIR_P) '$(DESTDIR)$(sbindir)'"; \
+	  $(MKDIR_P) "$(DESTDIR)$(sbindir)" || exit 1; \
+	fi; \
 	for p in $$list; do echo "$$p $$p"; done | \
 	sed 's/$(EXEEXT)$$//' | \
-	while read p p1; do if test -f $$p; \
-	  then echo "$$p"; echo "$$p"; else :; fi; \
+	while read p p1; do if test -f $$p \
+	  ; then echo "$$p"; echo "$$p"; else :; fi; \
 	done | \
-	sed -e 'p;s,.*/,,;n;h' -e 's|.*|.|' \
+	sed -e 'p;s,.*/,,;n;h' \
+	    -e 's|.*|.|' \
 	    -e 'p;x;s,.*/,,;s/$(EXEEXT)$$//;$(transform);s/$$/$(EXEEXT)/' | \
 	sed 'N;N;N;s,\n, ,g' | \
 	$(AWK) 'BEGIN { files["."] = ""; dirs["."] = 1 } \
@@ -394,19 +515,22 @@ uninstall-sbinPROGRAMS:
 	@list='$(sbin_PROGRAMS)'; test -n "$(sbindir)" || list=; \
 	files=`for p in $$list; do echo "$$p"; done | \
 	  sed -e 'h;s,^.*/,,;s/$(EXEEXT)$$//;$(transform)' \
-	      -e 's/$$/$(EXEEXT)/' `; \
+	      -e 's/$$/$(EXEEXT)/' \
+	`; \
 	test -n "$$list" || exit 0; \
 	echo " ( cd '$(DESTDIR)$(sbindir)' && rm -f" $$files ")"; \
 	cd "$(DESTDIR)$(sbindir)" && rm -f $$files
 
 clean-sbinPROGRAMS:
 	-test -z "$(sbin_PROGRAMS)" || rm -f $(sbin_PROGRAMS)
-rngd$(EXEEXT): $(rngd_OBJECTS) $(rngd_DEPENDENCIES) 
+
+rngd$(EXEEXT): $(rngd_OBJECTS) $(rngd_DEPENDENCIES) $(EXTRA_rngd_DEPENDENCIES) 
 	@rm -f rngd$(EXEEXT)
-	$(LINK) $(rngd_OBJECTS) $(rngd_LDADD) $(LIBS)
-rngtest$(EXEEXT): $(rngtest_OBJECTS) $(rngtest_DEPENDENCIES) 
+	$(AM_V_CCLD)$(LINK) $(rngd_OBJECTS) $(rngd_LDADD) $(LIBS)
+
+rngtest$(EXEEXT): $(rngtest_OBJECTS) $(rngtest_DEPENDENCIES) $(EXTRA_rngtest_DEPENDENCIES) 
 	@rm -f rngtest$(EXEEXT)
-	$(LINK) $(rngtest_OBJECTS) $(rngtest_LDADD) $(LIBS)
+	$(AM_V_CCLD)$(LINK) $(rngtest_OBJECTS) $(rngtest_LDADD) $(LIBS)
 
 mostlyclean-compile:
 	-rm -f *.$(OBJEXT)
@@ -425,39 +549,46 @@ distclean-compile:
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/util.Po@am__quote@
 
 .S.o:
-@am__fastdepCCAS_TRUE@	$(CPPASCOMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $<
-@am__fastdepCCAS_TRUE@	$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po
-@AMDEP_TRUE@@am__fastdepCCAS_FALSE@	source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
+@am__fastdepCCAS_TRUE@	$(AM_V_CPPAS)$(CPPASCOMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $<
+@am__fastdepCCAS_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po
+@AMDEP_TRUE@@am__fastdepCCAS_FALSE@	$(AM_V_CPPAS)source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
 @AMDEP_TRUE@@am__fastdepCCAS_FALSE@	DEPDIR=$(DEPDIR) $(CCASDEPMODE) $(depcomp) @AMDEPBACKSLASH@
-@am__fastdepCCAS_FALSE@	$(CPPASCOMPILE) -c -o $@ $<
+@am__fastdepCCAS_FALSE@	$(AM_V_CPPAS@am__nodep@)$(CPPASCOMPILE) -c -o $@ $<
 
 .S.obj:
-@am__fastdepCCAS_TRUE@	$(CPPASCOMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ `$(CYGPATH_W) '$<'`
-@am__fastdepCCAS_TRUE@	$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po
-@AMDEP_TRUE@@am__fastdepCCAS_FALSE@	source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
+@am__fastdepCCAS_TRUE@	$(AM_V_CPPAS)$(CPPASCOMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ `$(CYGPATH_W) '$<'`
+@am__fastdepCCAS_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po
+@AMDEP_TRUE@@am__fastdepCCAS_FALSE@	$(AM_V_CPPAS)source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
 @AMDEP_TRUE@@am__fastdepCCAS_FALSE@	DEPDIR=$(DEPDIR) $(CCASDEPMODE) $(depcomp) @AMDEPBACKSLASH@
-@am__fastdepCCAS_FALSE@	$(CPPASCOMPILE) -c -o $@ `$(CYGPATH_W) '$<'`
+@am__fastdepCCAS_FALSE@	$(AM_V_CPPAS@am__nodep@)$(CPPASCOMPILE) -c -o $@ `$(CYGPATH_W) '$<'`
 
 .c.o:
-@am__fastdepCC_TRUE@	$(COMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $<
-@am__fastdepCC_TRUE@	$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po
-@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(COMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $<
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
 @AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
-@am__fastdepCC_FALSE@	$(COMPILE) -c $<
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(COMPILE) -c $<
 
 .c.obj:
-@am__fastdepCC_TRUE@	$(COMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ `$(CYGPATH_W) '$<'`
-@am__fastdepCC_TRUE@	$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po
-@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(COMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ `$(CYGPATH_W) '$<'`
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
 @AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
-@am__fastdepCC_FALSE@	$(COMPILE) -c `$(CYGPATH_W) '$<'`
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(COMPILE) -c `$(CYGPATH_W) '$<'`
 install-man1: $(man_MANS)
 	@$(NORMAL_INSTALL)
-	test -z "$(man1dir)" || $(MKDIR_P) "$(DESTDIR)$(man1dir)"
-	@list=''; test -n "$(man1dir)" || exit 0; \
-	{ for i in $$list; do echo "$$i"; done; \
-	l2='$(man_MANS)'; for i in $$l2; do echo "$$i"; done | \
-	  sed -n '/\.1[a-z]*$$/p'; \
+	@list1=''; \
+	list2='$(man_MANS)'; \
+	test -n "$(man1dir)" \
+	  && test -n "`echo $$list1$$list2`" \
+	  || exit 0; \
+	echo " $(MKDIR_P) '$(DESTDIR)$(man1dir)'"; \
+	$(MKDIR_P) "$(DESTDIR)$(man1dir)" || exit 1; \
+	{ for i in $$list1; do echo "$$i"; done;  \
+	if test -n "$$list2"; then \
+	  for i in $$list2; do echo "$$i"; done \
+	    | sed -n '/\.1[a-z]*$$/p'; \
+	fi; \
 	} | while read p; do \
 	  if test -f $$p; then d=; else d="$(srcdir)/"; fi; \
 	  echo "$$d$$p"; echo "$$p"; \
@@ -486,16 +617,21 @@ uninstall-man1:
 	  sed -n '/\.1[a-z]*$$/p'; \
 	} | sed -e 's,.*/,,;h;s,.*\.,,;s,^[^1][0-9a-z]*$$,1,;x' \
 	      -e 's,\.[0-9a-z]*$$,,;$(transform);G;s,\n,.,'`; \
-	test -z "$$files" || { \
-	  echo " ( cd '$(DESTDIR)$(man1dir)' && rm -f" $$files ")"; \
-	  cd "$(DESTDIR)$(man1dir)" && rm -f $$files; }
+	dir='$(DESTDIR)$(man1dir)'; $(am__uninstall_files_from_dir)
 install-man8: $(man_MANS)
 	@$(NORMAL_INSTALL)
-	test -z "$(man8dir)" || $(MKDIR_P) "$(DESTDIR)$(man8dir)"
-	@list=''; test -n "$(man8dir)" || exit 0; \
-	{ for i in $$list; do echo "$$i"; done; \
-	l2='$(man_MANS)'; for i in $$l2; do echo "$$i"; done | \
-	  sed -n '/\.8[a-z]*$$/p'; \
+	@list1=''; \
+	list2='$(man_MANS)'; \
+	test -n "$(man8dir)" \
+	  && test -n "`echo $$list1$$list2`" \
+	  || exit 0; \
+	echo " $(MKDIR_P) '$(DESTDIR)$(man8dir)'"; \
+	$(MKDIR_P) "$(DESTDIR)$(man8dir)" || exit 1; \
+	{ for i in $$list1; do echo "$$i"; done;  \
+	if test -n "$$list2"; then \
+	  for i in $$list2; do echo "$$i"; done \
+	    | sed -n '/\.8[a-z]*$$/p'; \
+	fi; \
 	} | while read p; do \
 	  if test -f $$p; then d=; else d="$(srcdir)/"; fi; \
 	  echo "$$d$$p"; echo "$$p"; \
@@ -524,27 +660,28 @@ uninstall-man8:
 	  sed -n '/\.8[a-z]*$$/p'; \
 	} | sed -e 's,.*/,,;h;s,.*\.,,;s,^[^8][0-9a-z]*$$,8,;x' \
 	      -e 's,\.[0-9a-z]*$$,,;$(transform);G;s,\n,.,'`; \
-	test -z "$$files" || { \
-	  echo " ( cd '$(DESTDIR)$(man8dir)' && rm -f" $$files ")"; \
-	  cd "$(DESTDIR)$(man8dir)" && rm -f $$files; }
+	dir='$(DESTDIR)$(man8dir)'; $(am__uninstall_files_from_dir)
 
 # This directory's subdirectories are mostly independent; you can cd
-# into them and run `make' without going through this Makefile.
-# To change the values of `make' variables: instead of editing Makefiles,
-# (1) if the variable is set in `config.status', edit `config.status'
-#     (which will cause the Makefiles to be regenerated when you run `make');
-# (2) otherwise, pass the desired values on the `make' command line.
-$(RECURSIVE_TARGETS):
-	@fail= failcom='exit 1'; \
-	for f in x $$MAKEFLAGS; do \
-	  case $$f in \
-	    *=* | --[!k]*);; \
-	    *k*) failcom='fail=yes';; \
-	  esac; \
-	done; \
+# into them and run 'make' without going through this Makefile.
+# To change the values of 'make' variables: instead of editing Makefiles,
+# (1) if the variable is set in 'config.status', edit 'config.status'
+#     (which will cause the Makefiles to be regenerated when you run 'make');
+# (2) otherwise, pass the desired values on the 'make' command line.
+$(am__recursive_targets):
+	@fail=; \
+	if $(am__make_keepgoing); then \
+	  failcom='fail=yes'; \
+	else \
+	  failcom='exit 1'; \
+	fi; \
 	dot_seen=no; \
 	target=`echo $@ | sed s/-recursive//`; \
-	list='$(SUBDIRS)'; for subdir in $$list; do \
+	case "$@" in \
+	  distclean-* | maintainer-clean-*) list='$(DIST_SUBDIRS)' ;; \
+	  *) list='$(SUBDIRS)' ;; \
+	esac; \
+	for subdir in $$list; do \
 	  echo "Making $$target in $$subdir"; \
 	  if test "$$subdir" = "."; then \
 	    dot_seen=yes; \
@@ -559,57 +696,12 @@ $(RECURSIVE_TARGETS):
 	  $(MAKE) $(AM_MAKEFLAGS) "$$target-am" || exit 1; \
 	fi; test -z "$$fail"
 
-$(RECURSIVE_CLEAN_TARGETS):
-	@fail= failcom='exit 1'; \
-	for f in x $$MAKEFLAGS; do \
-	  case $$f in \
-	    *=* | --[!k]*);; \
-	    *k*) failcom='fail=yes';; \
-	  esac; \
-	done; \
-	dot_seen=no; \
-	case "$@" in \
-	  distclean-* | maintainer-clean-*) list='$(DIST_SUBDIRS)' ;; \
-	  *) list='$(SUBDIRS)' ;; \
-	esac; \
-	rev=''; for subdir in $$list; do \
-	  if test "$$subdir" = "."; then :; else \
-	    rev="$$subdir $$rev"; \
-	  fi; \
-	done; \
-	rev="$$rev ."; \
-	target=`echo $@ | sed s/-recursive//`; \
-	for subdir in $$rev; do \
-	  echo "Making $$target in $$subdir"; \
-	  if test "$$subdir" = "."; then \
-	    local_target="$$target-am"; \
-	  else \
-	    local_target="$$target"; \
-	  fi; \
-	  ($(am__cd) $$subdir && $(MAKE) $(AM_MAKEFLAGS) $$local_target) \
-	  || eval $$failcom; \
-	done && test -z "$$fail"
-tags-recursive:
-	list='$(SUBDIRS)'; for subdir in $$list; do \
-	  test "$$subdir" = . || ($(am__cd) $$subdir && $(MAKE) $(AM_MAKEFLAGS) tags); \
-	done
-ctags-recursive:
-	list='$(SUBDIRS)'; for subdir in $$list; do \
-	  test "$$subdir" = . || ($(am__cd) $$subdir && $(MAKE) $(AM_MAKEFLAGS) ctags); \
-	done
+ID: $(am__tagged_files)
+	$(am__define_uniq_tagged_files); mkid -fID $$unique
+tags: tags-recursive
+TAGS: tags
 
-ID: $(HEADERS) $(SOURCES) $(LISP) $(TAGS_FILES)
-	list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
-	unique=`for i in $$list; do \
-	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
-	  done | \
-	  $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
-	      END { if (nonempty) { for (i in files) print i; }; }'`; \
-	mkid -fID $$unique
-tags: TAGS
-
-TAGS: tags-recursive $(HEADERS) $(SOURCES) rng-tools-config.h.in $(TAGS_DEPENDENCIES) \
-		$(TAGS_FILES) $(LISP)
+tags-am: $(TAGS_DEPENDENCIES) $(am__tagged_files)
 	set x; \
 	here=`pwd`; \
 	if ($(ETAGS) --etags-include --version) >/dev/null 2>&1; then \
@@ -625,12 +717,7 @@ TAGS: tags-recursive $(HEADERS) $(SOURCES) rng-tools-config.h.in $(TAGS_DEPENDEN
 	      set "$$@" "$$include_option=$$here/$$subdir/TAGS"; \
 	  fi; \
 	done; \
-	list='$(SOURCES) $(HEADERS) rng-tools-config.h.in $(LISP) $(TAGS_FILES)'; \
-	unique=`for i in $$list; do \
-	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
-	  done | \
-	  $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
-	      END { if (nonempty) { for (i in files) print i; }; }'`; \
+	$(am__define_uniq_tagged_files); \
 	shift; \
 	if test -z "$(ETAGS_ARGS)$$*$$unique"; then :; else \
 	  test -n "$$unique" || unique=$$empty_fix; \
@@ -642,15 +729,11 @@ TAGS: tags-recursive $(HEADERS) $(SOURCES) rng-tools-config.h.in $(TAGS_DEPENDEN
 	      $$unique; \
 	  fi; \
 	fi
-ctags: CTAGS
-CTAGS: ctags-recursive $(HEADERS) $(SOURCES) rng-tools-config.h.in $(TAGS_DEPENDENCIES) \
-		$(TAGS_FILES) $(LISP)
-	list='$(SOURCES) $(HEADERS) rng-tools-config.h.in $(LISP) $(TAGS_FILES)'; \
-	unique=`for i in $$list; do \
-	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
-	  done | \
-	  $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
-	      END { if (nonempty) { for (i in files) print i; }; }'`; \
+ctags: ctags-recursive
+
+CTAGS: ctags
+ctags-am: $(TAGS_DEPENDENCIES) $(am__tagged_files)
+	$(am__define_uniq_tagged_files); \
 	test -z "$(CTAGS_ARGS)$$unique" \
 	  || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
 	     $$unique
@@ -659,24 +742,33 @@ GTAGS:
 	here=`$(am__cd) $(top_builddir) && pwd` \
 	  && $(am__cd) $(top_srcdir) \
 	  && gtags -i $(GTAGS_ARGS) "$$here"
+cscope: cscope.files
+	test ! -s cscope.files \
+	  || $(CSCOPE) -b -q $(AM_CSCOPEFLAGS) $(CSCOPEFLAGS) -i cscope.files $(CSCOPE_ARGS)
+clean-cscope:
+	-rm -f cscope.files
+cscope.files: clean-cscope cscopelist
+cscopelist: cscopelist-recursive
+
+cscopelist-am: $(am__tagged_files)
+	list='$(am__tagged_files)'; \
+	case "$(srcdir)" in \
+	  [\\/]* | ?:[\\/]*) sdir="$(srcdir)" ;; \
+	  *) sdir=$(subdir)/$(srcdir) ;; \
+	esac; \
+	for i in $$list; do \
+	  if test -f "$$i"; then \
+	    echo "$(subdir)/$$i"; \
+	  else \
+	    echo "$$sdir/$$i"; \
+	  fi; \
+	done >> $(top_builddir)/cscope.files
 
 distclean-tags:
 	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+	-rm -f cscope.out cscope.in.out cscope.po.out cscope.files
 
 distdir: $(DISTFILES)
-	@list='$(MANS)'; if test -n "$$list"; then \
-	  list=`for p in $$list; do \
-	    if test -f $$p; then d=; else d="$(srcdir)/"; fi; \
-	    if test -f "$$d$$p"; then echo "$$d$$p"; else :; fi; done`; \
-	  if test -n "$$list" && \
-	    grep 'ab help2man is required to generate this page' $$list >/dev/null; then \
-	    echo "error: found man pages containing the \`missing help2man' replacement text:" >&2; \
-	    grep -l 'ab help2man is required to generate this page' $$list | sed 's/^/         /' >&2; \
-	    echo "       to fix them, install help2man, remove and regenerate the man pages;" >&2; \
-	    echo "       typically \`make maintainer-clean' will remove them" >&2; \
-	    exit 1; \
-	  else :; fi; \
-	else :; fi
 	$(am__remove_distdir)
 	test -d "$(distdir)" || mkdir "$(distdir)"
 	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
@@ -710,13 +802,10 @@ distdir: $(DISTFILES)
 	done
 	@list='$(DIST_SUBDIRS)'; for subdir in $$list; do \
 	  if test "$$subdir" = .; then :; else \
-	    test -d "$(distdir)/$$subdir" \
-	    || $(MKDIR_P) "$(distdir)/$$subdir" \
-	    || exit 1; \
-	  fi; \
-	done
-	@list='$(DIST_SUBDIRS)'; for subdir in $$list; do \
-	  if test "$$subdir" = .; then :; else \
+	    $(am__make_dryrun) \
+	      || test -d "$(distdir)/$$subdir" \
+	      || $(MKDIR_P) "$(distdir)/$$subdir" \
+	      || exit 1; \
 	    dir1=$$subdir; dir2="$(distdir)/$$subdir"; \
 	    $(am__relativize); \
 	    new_distdir=$$reldir; \
@@ -745,36 +834,36 @@ distdir: $(DISTFILES)
 	|| chmod -R a+r "$(distdir)"
 dist-gzip: distdir
 	tardir=$(distdir) && $(am__tar) | GZIP=$(GZIP_ENV) gzip -c >$(distdir).tar.gz
-	$(am__remove_distdir)
+	$(am__post_remove_distdir)
 
 dist-bzip2: distdir
-	tardir=$(distdir) && $(am__tar) | bzip2 -9 -c >$(distdir).tar.bz2
-	$(am__remove_distdir)
+	tardir=$(distdir) && $(am__tar) | BZIP2=$${BZIP2--9} bzip2 -c >$(distdir).tar.bz2
+	$(am__post_remove_distdir)
 
-dist-lzma: distdir
-	tardir=$(distdir) && $(am__tar) | lzma -9 -c >$(distdir).tar.lzma
-	$(am__remove_distdir)
+dist-lzip: distdir
+	tardir=$(distdir) && $(am__tar) | lzip -c $${LZIP_OPT--9} >$(distdir).tar.lz
+	$(am__post_remove_distdir)
 
 dist-xz: distdir
-	tardir=$(distdir) && $(am__tar) | xz -c >$(distdir).tar.xz
-	$(am__remove_distdir)
+	tardir=$(distdir) && $(am__tar) | XZ_OPT=$${XZ_OPT--e} xz -c >$(distdir).tar.xz
+	$(am__post_remove_distdir)
 
 dist-tarZ: distdir
 	tardir=$(distdir) && $(am__tar) | compress -c >$(distdir).tar.Z
-	$(am__remove_distdir)
+	$(am__post_remove_distdir)
 
 dist-shar: distdir
 	shar $(distdir) | GZIP=$(GZIP_ENV) gzip -c >$(distdir).shar.gz
-	$(am__remove_distdir)
+	$(am__post_remove_distdir)
 
 dist-zip: distdir
 	-rm -f $(distdir).zip
 	zip -rq $(distdir).zip $(distdir)
-	$(am__remove_distdir)
+	$(am__post_remove_distdir)
 
-dist dist-all: distdir
-	tardir=$(distdir) && $(am__tar) | GZIP=$(GZIP_ENV) gzip -c >$(distdir).tar.gz
-	$(am__remove_distdir)
+dist dist-all:
+	$(MAKE) $(AM_MAKEFLAGS) $(DIST_TARGETS) am__post_remove_distdir='@:'
+	$(am__post_remove_distdir)
 
 # This target untars the dist file and tries a VPATH configuration.  Then
 # it guarantees that the distribution is self-contained by making another
@@ -785,8 +874,8 @@ distcheck: dist
 	  GZIP=$(GZIP_ENV) gzip -dc $(distdir).tar.gz | $(am__untar) ;;\
 	*.tar.bz2*) \
 	  bzip2 -dc $(distdir).tar.bz2 | $(am__untar) ;;\
-	*.tar.lzma*) \
-	  lzma -dc $(distdir).tar.lzma | $(am__untar) ;;\
+	*.tar.lz*) \
+	  lzip -dc $(distdir).tar.lz | $(am__untar) ;;\
 	*.tar.xz*) \
 	  xz -dc $(distdir).tar.xz | $(am__untar) ;;\
 	*.tar.Z*) \
@@ -796,9 +885,9 @@ distcheck: dist
 	*.zip*) \
 	  unzip $(distdir).zip ;;\
 	esac
-	chmod -R a-w $(distdir); chmod a+w $(distdir)
-	mkdir $(distdir)/_build
-	mkdir $(distdir)/_inst
+	chmod -R a-w $(distdir)
+	chmod u+w $(distdir)
+	mkdir $(distdir)/_build $(distdir)/_inst
 	chmod a-w $(distdir)
 	test -d $(distdir)/_build || exit 0; \
 	dc_install_base=`$(am__cd) $(distdir)/_inst && pwd | sed -e 's,^[^:\\/]:[\\/],/,'` \
@@ -806,6 +895,7 @@ distcheck: dist
 	  && am__cwd=`pwd` \
 	  && $(am__cd) $(distdir)/_build \
 	  && ../configure --srcdir=.. --prefix="$$dc_install_base" \
+	    $(AM_DISTCHECK_CONFIGURE_FLAGS) \
 	    $(DISTCHECK_CONFIGURE_FLAGS) \
 	  && $(MAKE) $(AM_MAKEFLAGS) \
 	  && $(MAKE) $(AM_MAKEFLAGS) dvi \
@@ -829,13 +919,21 @@ distcheck: dist
 	  && $(MAKE) $(AM_MAKEFLAGS) distcleancheck \
 	  && cd "$$am__cwd" \
 	  || exit 1
-	$(am__remove_distdir)
+	$(am__post_remove_distdir)
 	@(echo "$(distdir) archives ready for distribution: "; \
 	  list='$(DIST_ARCHIVES)'; for i in $$list; do echo $$i; done) | \
 	  sed -e 1h -e 1s/./=/g -e 1p -e 1x -e '$$p' -e '$$x'
 distuninstallcheck:
-	@$(am__cd) '$(distuninstallcheck_dir)' \
-	&& test `$(distuninstallcheck_listfiles) | wc -l` -le 1 \
+	@test -n '$(distuninstallcheck_dir)' || { \
+	  echo 'ERROR: trying to run $@ with an empty' \
+	       '$$(distuninstallcheck_dir)' >&2; \
+	  exit 1; \
+	}; \
+	$(am__cd) '$(distuninstallcheck_dir)' || { \
+	  echo 'ERROR: cannot chdir into $(distuninstallcheck_dir)' >&2; \
+	  exit 1; \
+	}; \
+	test `$(am__distuninstallcheck_listfiles) | wc -l` -eq 0 \
 	   || { echo "ERROR: files left after uninstall:" ; \
 	        if test -n "$(DESTDIR)"; then \
 	          echo "  (check DESTDIR support)"; \
@@ -869,10 +967,15 @@ install-am: all-am
 
 installcheck: installcheck-recursive
 install-strip:
-	$(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
-	  install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
-	  `test -z '$(STRIP)' || \
-	    echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
+	if test -z '$(STRIP)'; then \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
 mostlyclean-generic:
 
 clean-generic:
@@ -960,28 +1063,27 @@ uninstall-am: uninstall-binPROGRAMS uninstall-man \
 
 uninstall-man: uninstall-man1 uninstall-man8
 
-.MAKE: $(RECURSIVE_CLEAN_TARGETS) $(RECURSIVE_TARGETS) all \
-	ctags-recursive install-am install-strip tags-recursive
-
-.PHONY: $(RECURSIVE_CLEAN_TARGETS) $(RECURSIVE_TARGETS) CTAGS GTAGS \
-	all all-am am--refresh check check-am clean clean-binPROGRAMS \
-	clean-generic clean-noinstLIBRARIES clean-sbinPROGRAMS ctags \
-	ctags-recursive dist dist-all dist-bzip2 dist-gzip dist-lzma \
-	dist-shar dist-tarZ dist-xz dist-zip distcheck distclean \
-	distclean-compile distclean-generic distclean-hdr \
-	distclean-tags distcleancheck distdir distuninstallcheck dvi \
-	dvi-am html html-am info info-am install install-am \
-	install-binPROGRAMS install-data install-data-am install-dvi \
-	install-dvi-am install-exec install-exec-am install-html \
-	install-html-am install-info install-info-am install-man \
-	install-man1 install-man8 install-pdf install-pdf-am \
-	install-ps install-ps-am install-sbinPROGRAMS install-strip \
-	installcheck installcheck-am installdirs installdirs-am \
-	maintainer-clean maintainer-clean-generic mostlyclean \
-	mostlyclean-compile mostlyclean-generic pdf pdf-am ps ps-am \
-	tags tags-recursive uninstall uninstall-am \
-	uninstall-binPROGRAMS uninstall-man uninstall-man1 \
-	uninstall-man8 uninstall-sbinPROGRAMS
+.MAKE: $(am__recursive_targets) all install-am install-strip
+
+.PHONY: $(am__recursive_targets) CTAGS GTAGS TAGS all all-am \
+	am--refresh check check-am clean clean-binPROGRAMS \
+	clean-cscope clean-generic clean-noinstLIBRARIES \
+	clean-sbinPROGRAMS cscope cscopelist-am ctags ctags-am dist \
+	dist-all dist-bzip2 dist-gzip dist-lzip dist-shar dist-tarZ \
+	dist-xz dist-zip distcheck distclean distclean-compile \
+	distclean-generic distclean-hdr distclean-tags distcleancheck \
+	distdir distuninstallcheck dvi dvi-am html html-am info \
+	info-am install install-am install-binPROGRAMS install-data \
+	install-data-am install-dvi install-dvi-am install-exec \
+	install-exec-am install-html install-html-am install-info \
+	install-info-am install-man install-man1 install-man8 \
+	install-pdf install-pdf-am install-ps install-ps-am \
+	install-sbinPROGRAMS install-strip installcheck \
+	installcheck-am installdirs installdirs-am maintainer-clean \
+	maintainer-clean-generic mostlyclean mostlyclean-compile \
+	mostlyclean-generic pdf pdf-am ps ps-am tags tags-am uninstall \
+	uninstall-am uninstall-binPROGRAMS uninstall-man \
+	uninstall-man1 uninstall-man8 uninstall-sbinPROGRAMS
 
 
 # Tell versions [3.59,3.63) of GNU make to not export all variables.
diff --git a/NEWS b/NEWS
index 5cf4fc5..9593ed4 100644
--- a/NEWS
+++ b/NEWS
@@ -1,4 +1,13 @@
 
+Version 5 (April 1, 2014):
+* Support RDRAND capable systems that don't have AES-NI
+* Man page spelling fixes
+* Add BUGS document
+* Don't use fixed AES key for data reduction
+* Platform: Support x32. x86-64 micro-optimizations.
+* Fix RDRAND data reduction
+* Enable RDSEED instruction
+
 Version 4 (August 2, 2012):
 * Add RDRAND instruction support
 * Add -q and -v options for quiet and verbose output
diff --git a/aclocal.m4 b/aclocal.m4
index 05f3cdd..a5c5eee 100644
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -1,7 +1,7 @@
-# generated automatically by aclocal 1.11.1 -*- Autoconf -*-
+# generated automatically by aclocal 1.13.3 -*- Autoconf -*-
+
+# Copyright (C) 1996-2013 Free Software Foundation, Inc.
 
-# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
-# 2005, 2006, 2007, 2008, 2009  Free Software Foundation, Inc.
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
@@ -11,15 +11,16 @@
 # even the implied warranty of MERCHANTABILITY or FITNESS FOR A
 # PARTICULAR PURPOSE.
 
+m4_ifndef([AC_CONFIG_MACRO_DIRS], [m4_defun([_AM_CONFIG_MACRO_DIRS], [])m4_defun([AC_CONFIG_MACRO_DIRS], [_AM_CONFIG_MACRO_DIRS($@)])])
 m4_ifndef([AC_AUTOCONF_VERSION],
   [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl
-m4_if(m4_defn([AC_AUTOCONF_VERSION]), [2.68],,
-[m4_warning([this file was generated for autoconf 2.68.
+m4_if(m4_defn([AC_AUTOCONF_VERSION]), [2.69],,
+[m4_warning([this file was generated for autoconf 2.69.
 You have another version of autoconf.  It may work, but is not guaranteed to.
 If you have problems, you may need to regenerate the build system entirely.
-To do so, use the procedure documented by the package, typically `autoreconf'.])])
+To do so, use the procedure documented by the package, typically 'autoreconf'.])])
 
-# Copyright (C) 2002, 2003, 2005, 2006, 2007, 2008  Free Software Foundation, Inc.
+# Copyright (C) 2002-2013 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@@ -31,10 +32,10 @@ To do so, use the procedure documented by the package, typically `autoreconf'.])
 # generated from the m4 files accompanying Automake X.Y.
 # (This private macro should not be called outside this file.)
 AC_DEFUN([AM_AUTOMAKE_VERSION],
-[am__api_version='1.11'
+[am__api_version='1.13'
 dnl Some users find AM_AUTOMAKE_VERSION and mistake it for a way to
 dnl require some minimum version.  Point them to the right macro.
-m4_if([$1], [1.11.1], [],
+m4_if([$1], [1.13.3], [],
       [AC_FATAL([Do not call $0, use AM_INIT_AUTOMAKE([$1]).])])dnl
 ])
 
@@ -50,21 +51,19 @@ m4_define([_AM_AUTOCONF_VERSION], [])
 # Call AM_AUTOMAKE_VERSION and AM_AUTOMAKE_VERSION so they can be traced.
 # This function is AC_REQUIREd by AM_INIT_AUTOMAKE.
 AC_DEFUN([AM_SET_CURRENT_AUTOMAKE_VERSION],
-[AM_AUTOMAKE_VERSION([1.11.1])dnl
+[AM_AUTOMAKE_VERSION([1.13.3])dnl
 m4_ifndef([AC_AUTOCONF_VERSION],
   [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl
 _AM_AUTOCONF_VERSION(m4_defn([AC_AUTOCONF_VERSION]))])
 
 # Figure out how to run the assembler.                      -*- Autoconf -*-
 
-# Copyright (C) 2001, 2003, 2004, 2005, 2006  Free Software Foundation, Inc.
+# Copyright (C) 2001-2013 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
-# serial 5
-
 # AM_PROG_AS
 # ----------
 AC_DEFUN([AM_PROG_AS],
@@ -79,15 +78,15 @@ _AM_IF_OPTION([no-dependencies],, [_AM_DEPENDENCIES([CCAS])])dnl
 
 # AM_AUX_DIR_EXPAND                                         -*- Autoconf -*-
 
-# Copyright (C) 2001, 2003, 2005  Free Software Foundation, Inc.
+# Copyright (C) 2001-2013 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
 # For projects using AC_CONFIG_AUX_DIR([foo]), Autoconf sets
-# $ac_aux_dir to `$srcdir/foo'.  In other projects, it is set to
-# `$srcdir', `$srcdir/..', or `$srcdir/../..'.
+# $ac_aux_dir to '$srcdir/foo'.  In other projects, it is set to
+# '$srcdir', '$srcdir/..', or '$srcdir/../..'.
 #
 # Of course, Automake must honor this variable whenever it calls a
 # tool from the auxiliary directory.  The problem is that $srcdir (and
@@ -106,7 +105,7 @@ _AM_IF_OPTION([no-dependencies],, [_AM_DEPENDENCIES([CCAS])])dnl
 #
 # The reason of the latter failure is that $top_srcdir and $ac_aux_dir
 # are both prefixed by $srcdir.  In an in-source build this is usually
-# harmless because $srcdir is `.', but things will broke when you
+# harmless because $srcdir is '.', but things will broke when you
 # start a VPATH build or use an absolute $srcdir.
 #
 # So we could use something similar to $top_srcdir/$ac_aux_dir/missing,
@@ -132,22 +131,19 @@ am_aux_dir=`cd $ac_aux_dir && pwd`
 
 # AM_CONDITIONAL                                            -*- Autoconf -*-
 
-# Copyright (C) 1997, 2000, 2001, 2003, 2004, 2005, 2006, 2008
-# Free Software Foundation, Inc.
+# Copyright (C) 1997-2013 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
-# serial 9
-
 # AM_CONDITIONAL(NAME, SHELL-CONDITION)
 # -------------------------------------
 # Define a conditional.
 AC_DEFUN([AM_CONDITIONAL],
-[AC_PREREQ(2.52)dnl
- ifelse([$1], [TRUE],  [AC_FATAL([$0: invalid condition: $1])],
-	[$1], [FALSE], [AC_FATAL([$0: invalid condition: $1])])dnl
+[AC_PREREQ([2.52])dnl
+ m4_if([$1], [TRUE],  [AC_FATAL([$0: invalid condition: $1])],
+       [$1], [FALSE], [AC_FATAL([$0: invalid condition: $1])])dnl
 AC_SUBST([$1_TRUE])dnl
 AC_SUBST([$1_FALSE])dnl
 _AM_SUBST_NOTMAKE([$1_TRUE])dnl
@@ -166,16 +162,14 @@ AC_CONFIG_COMMANDS_PRE(
 Usually this means the macro was only invoked conditionally.]])
 fi])])
 
-# Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2009
-# Free Software Foundation, Inc.
+# Copyright (C) 1999-2013 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
-# serial 10
 
-# There are a few dirty hacks below to avoid letting `AC_PROG_CC' be
+# There are a few dirty hacks below to avoid letting 'AC_PROG_CC' be
 # written in clear, in which case automake, when reading aclocal.m4,
 # will think it sees a *use*, and therefore will trigger all it's
 # C support machinery.  Also note that it means that autoscan, seeing
@@ -185,7 +179,7 @@ fi])])
 # _AM_DEPENDENCIES(NAME)
 # ----------------------
 # See how the compiler implements dependency checking.
-# NAME is "CC", "CXX", "GCJ", or "OBJC".
+# NAME is "CC", "CXX", "OBJC", "OBJCXX", "UPC", or "GJC".
 # We try a few techniques and use that to set a single cache variable.
 #
 # We don't AC_REQUIRE the corresponding AC_PROG_CC since the latter was
@@ -198,12 +192,13 @@ AC_REQUIRE([AM_OUTPUT_DEPENDENCY_COMMANDS])dnl
 AC_REQUIRE([AM_MAKE_INCLUDE])dnl
 AC_REQUIRE([AM_DEP_TRACK])dnl
 
-ifelse([$1], CC,   [depcc="$CC"   am_compiler_list=],
-       [$1], CXX,  [depcc="$CXX"  am_compiler_list=],
-       [$1], OBJC, [depcc="$OBJC" am_compiler_list='gcc3 gcc'],
-       [$1], UPC,  [depcc="$UPC"  am_compiler_list=],
-       [$1], GCJ,  [depcc="$GCJ"  am_compiler_list='gcc3 gcc'],
-                   [depcc="$$1"   am_compiler_list=])
+m4_if([$1], [CC],   [depcc="$CC"   am_compiler_list=],
+      [$1], [CXX],  [depcc="$CXX"  am_compiler_list=],
+      [$1], [OBJC], [depcc="$OBJC" am_compiler_list='gcc3 gcc'],
+      [$1], [OBJCXX], [depcc="$OBJCXX" am_compiler_list='gcc3 gcc'],
+      [$1], [UPC],  [depcc="$UPC"  am_compiler_list=],
+      [$1], [GCJ],  [depcc="$GCJ"  am_compiler_list='gcc3 gcc'],
+                    [depcc="$$1"   am_compiler_list=])
 
 AC_CACHE_CHECK([dependency style of $depcc],
                [am_cv_$1_dependencies_compiler_type],
@@ -211,8 +206,9 @@ AC_CACHE_CHECK([dependency style of $depcc],
   # We make a subdir and do the tests there.  Otherwise we can end up
   # making bogus files that we don't know about and never remove.  For
   # instance it was reported that on HP-UX the gcc test will end up
-  # making a dummy file named `D' -- because `-MD' means `put the output
-  # in D'.
+  # making a dummy file named 'D' -- because '-MD' means "put the output
+  # in D".
+  rm -rf conftest.dir
   mkdir conftest.dir
   # Copy depcomp to subdir because otherwise we won't find it if we're
   # using a relative directory.
@@ -251,16 +247,16 @@ AC_CACHE_CHECK([dependency style of $depcc],
     : > sub/conftest.c
     for i in 1 2 3 4 5 6; do
       echo '#include "conftst'$i'.h"' >> sub/conftest.c
-      # Using `: > sub/conftst$i.h' creates only sub/conftst1.h with
-      # Solaris 8's {/usr,}/bin/sh.
-      touch sub/conftst$i.h
+      # Using ": > sub/conftst$i.h" creates only sub/conftst1.h with
+      # Solaris 10 /bin/sh.
+      echo '/* dummy */' > sub/conftst$i.h
     done
     echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf
 
-    # We check with `-c' and `-o' for the sake of the "dashmstdout"
+    # We check with '-c' and '-o' for the sake of the "dashmstdout"
     # mode.  It turns out that the SunPro C++ compiler does not properly
-    # handle `-M -o', and we need to detect this.  Also, some Intel
-    # versions had trouble with output in subdirs
+    # handle '-M -o', and we need to detect this.  Also, some Intel
+    # versions had trouble with output in subdirs.
     am__obj=sub/conftest.${OBJEXT-o}
     am__minus_obj="-o $am__obj"
     case $depmode in
@@ -269,16 +265,16 @@ AC_CACHE_CHECK([dependency style of $depcc],
       test "$am__universal" = false || continue
       ;;
     nosideeffect)
-      # after this tag, mechanisms are not by side-effect, so they'll
-      # only be used when explicitly requested
+      # After this tag, mechanisms are not by side-effect, so they'll
+      # only be used when explicitly requested.
       if test "x$enable_dependency_tracking" = xyes; then
 	continue
       else
 	break
       fi
       ;;
-    msvisualcpp | msvcmsys)
-      # This compiler won't grok `-c -o', but also, the minuso test has
+    msvc7 | msvc7msys | msvisualcpp | msvcmsys)
+      # This compiler won't grok '-c -o', but also, the minuso test has
       # not run yet.  These depmodes are late enough in the game, and
       # so weak that their functioning should not be impacted.
       am__obj=conftest.${OBJEXT-o}
@@ -326,7 +322,7 @@ AM_CONDITIONAL([am__fastdep$1], [
 # AM_SET_DEPDIR
 # -------------
 # Choose a directory name for dependency files.
-# This macro is AC_REQUIREd in _AM_DEPENDENCIES
+# This macro is AC_REQUIREd in _AM_DEPENDENCIES.
 AC_DEFUN([AM_SET_DEPDIR],
 [AC_REQUIRE([AM_SET_LEADING_DOT])dnl
 AC_SUBST([DEPDIR], ["${am__leading_dot}deps"])dnl
@@ -336,34 +332,39 @@ AC_SUBST([DEPDIR], ["${am__leading_dot}deps"])dnl
 # AM_DEP_TRACK
 # ------------
 AC_DEFUN([AM_DEP_TRACK],
-[AC_ARG_ENABLE(dependency-tracking,
-[  --disable-dependency-tracking  speeds up one-time build
-  --enable-dependency-tracking   do not reject slow dependency extractors])
+[AC_ARG_ENABLE([dependency-tracking], [dnl
+AS_HELP_STRING(
+  [--enable-dependency-tracking],
+  [do not reject slow dependency extractors])
+AS_HELP_STRING(
+  [--disable-dependency-tracking],
+  [speeds up one-time build])])
 if test "x$enable_dependency_tracking" != xno; then
   am_depcomp="$ac_aux_dir/depcomp"
   AMDEPBACKSLASH='\'
+  am__nodep='_no'
 fi
 AM_CONDITIONAL([AMDEP], [test "x$enable_dependency_tracking" != xno])
 AC_SUBST([AMDEPBACKSLASH])dnl
 _AM_SUBST_NOTMAKE([AMDEPBACKSLASH])dnl
+AC_SUBST([am__nodep])dnl
+_AM_SUBST_NOTMAKE([am__nodep])dnl
 ])
 
 # Generate code to set up dependency tracking.              -*- Autoconf -*-
 
-# Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2008
-# Free Software Foundation, Inc.
+# Copyright (C) 1999-2013 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
-#serial 5
 
 # _AM_OUTPUT_DEPENDENCY_COMMANDS
 # ------------------------------
 AC_DEFUN([_AM_OUTPUT_DEPENDENCY_COMMANDS],
 [{
-  # Autoconf 2.62 quotes --file arguments for eval, but not when files
+  # Older Autoconf quotes --file arguments for eval, but not when files
   # are listed without --file.  Let's play safe and only enable the eval
   # if we detect the quoting.
   case $CONFIG_FILES in
@@ -376,7 +377,7 @@ AC_DEFUN([_AM_OUTPUT_DEPENDENCY_COMMANDS],
     # Strip MF so we end up with the name of the file.
     mf=`echo "$mf" | sed -e 's/:.*$//'`
     # Check whether this is an Automake generated Makefile or not.
-    # We used to match only the files named `Makefile.in', but
+    # We used to match only the files named 'Makefile.in', but
     # some people rename them; so instead we look at the file content.
     # Grep'ing the first line is not enough: some people post-process
     # each Makefile.in and add a new line on top of each file to say so.
@@ -388,21 +389,19 @@ AC_DEFUN([_AM_OUTPUT_DEPENDENCY_COMMANDS],
       continue
     fi
     # Extract the definition of DEPDIR, am__include, and am__quote
-    # from the Makefile without running `make'.
+    # from the Makefile without running 'make'.
     DEPDIR=`sed -n 's/^DEPDIR = //p' < "$mf"`
     test -z "$DEPDIR" && continue
     am__include=`sed -n 's/^am__include = //p' < "$mf"`
-    test -z "am__include" && continue
+    test -z "$am__include" && continue
     am__quote=`sed -n 's/^am__quote = //p' < "$mf"`
-    # When using ansi2knr, U may be empty or an underscore; expand it
-    U=`sed -n 's/^U = //p' < "$mf"`
     # Find all dependency output files, they are included files with
     # $(DEPDIR) in their names.  We invoke sed twice because it is the
     # simplest approach to changing $(DEPDIR) to its actual value in the
     # expansion.
     for file in `sed -n "
       s/^$am__include $am__quote\(.*(DEPDIR).*\)$am__quote"'$/\1/p' <"$mf" | \
-	 sed -e 's/\$(DEPDIR)/'"$DEPDIR"'/g' -e 's/\$U/'"$U"'/g'`; do
+	 sed -e 's/\$(DEPDIR)/'"$DEPDIR"'/g'`; do
       # Make sure the directory exists.
       test -f "$dirpart/$file" && continue
       fdir=`AS_DIRNAME(["$file"])`
@@ -420,7 +419,7 @@ AC_DEFUN([_AM_OUTPUT_DEPENDENCY_COMMANDS],
 # This macro should only be invoked once -- use via AC_REQUIRE.
 #
 # This code is only required when automatic dependency tracking
-# is enabled.  FIXME.  This creates each `.P' file that we will
+# is enabled.  FIXME.  This creates each '.P' file that we will
 # need in order to bootstrap the dependency handling code.
 AC_DEFUN([AM_OUTPUT_DEPENDENCY_COMMANDS],
 [AC_CONFIG_COMMANDS([depfiles],
@@ -430,15 +429,12 @@ AC_DEFUN([AM_OUTPUT_DEPENDENCY_COMMANDS],
 
 # Do all the work for Automake.                             -*- Autoconf -*-
 
-# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
-# 2005, 2006, 2008, 2009 Free Software Foundation, Inc.
+# Copyright (C) 1996-2013 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
-# serial 16
-
 # This macro actually does too much.  Some checks are only needed if
 # your package does certain things.  But this isn't really a big deal.
 
@@ -454,7 +450,7 @@ AC_DEFUN([AM_OUTPUT_DEPENDENCY_COMMANDS],
 # arguments mandatory, and then we can depend on a new Autoconf
 # release and drop the old call support.
 AC_DEFUN([AM_INIT_AUTOMAKE],
-[AC_PREREQ([2.62])dnl
+[AC_PREREQ([2.65])dnl
 dnl Autoconf wants to disallow AM_ names.  We explicitly allow
 dnl the ones we care about.
 m4_pattern_allow([^AM_[A-Z]+FLAGS$])dnl
@@ -483,31 +479,40 @@ AC_SUBST([CYGPATH_W])
 # Define the identity of the package.
 dnl Distinguish between old-style and new-style calls.
 m4_ifval([$2],
-[m4_ifval([$3], [_AM_SET_OPTION([no-define])])dnl
+[AC_DIAGNOSE([obsolete],
+             [$0: two- and three-arguments forms are deprecated.])
+m4_ifval([$3], [_AM_SET_OPTION([no-define])])dnl
  AC_SUBST([PACKAGE], [$1])dnl
  AC_SUBST([VERSION], [$2])],
 [_AM_SET_OPTIONS([$1])dnl
 dnl Diagnose old-style AC_INIT with new-style AM_AUTOMAKE_INIT.
-m4_if(m4_ifdef([AC_PACKAGE_NAME], 1)m4_ifdef([AC_PACKAGE_VERSION], 1), 11,,
+m4_if(
+  m4_ifdef([AC_PACKAGE_NAME], [ok]):m4_ifdef([AC_PACKAGE_VERSION], [ok]),
+  [ok:ok],,
   [m4_fatal([AC_INIT should be called with package and version arguments])])dnl
  AC_SUBST([PACKAGE], ['AC_PACKAGE_TARNAME'])dnl
  AC_SUBST([VERSION], ['AC_PACKAGE_VERSION'])])dnl
 
 _AM_IF_OPTION([no-define],,
-[AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of package])
- AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version number of package])])dnl
+[AC_DEFINE_UNQUOTED([PACKAGE], ["$PACKAGE"], [Name of package])
+ AC_DEFINE_UNQUOTED([VERSION], ["$VERSION"], [Version number of package])])dnl
 
 # Some tools Automake needs.
 AC_REQUIRE([AM_SANITY_CHECK])dnl
 AC_REQUIRE([AC_ARG_PROGRAM])dnl
-AM_MISSING_PROG(ACLOCAL, aclocal-${am__api_version})
-AM_MISSING_PROG(AUTOCONF, autoconf)
-AM_MISSING_PROG(AUTOMAKE, automake-${am__api_version})
-AM_MISSING_PROG(AUTOHEADER, autoheader)
-AM_MISSING_PROG(MAKEINFO, makeinfo)
+AM_MISSING_PROG([ACLOCAL], [aclocal-${am__api_version}])
+AM_MISSING_PROG([AUTOCONF], [autoconf])
+AM_MISSING_PROG([AUTOMAKE], [automake-${am__api_version}])
+AM_MISSING_PROG([AUTOHEADER], [autoheader])
+AM_MISSING_PROG([MAKEINFO], [makeinfo])
 AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
 AC_REQUIRE([AM_PROG_INSTALL_STRIP])dnl
-AC_REQUIRE([AM_PROG_MKDIR_P])dnl
+AC_REQUIRE([AC_PROG_MKDIR_P])dnl
+# For better backward compatibility.  To be removed once Automake 1.9.x
+# dies out for good.  For more background, see:
+# <http://lists.gnu.org/archive/html/automake/2012-07/msg00001.html>
+# <http://lists.gnu.org/archive/html/automake/2012-07/msg00014.html>
+AC_SUBST([mkdir_p], ['$(MKDIR_P)'])
 # We need awk for the "check" target.  The system "awk" is bad on
 # some platforms.
 AC_REQUIRE([AC_PROG_AWK])dnl
@@ -518,28 +523,32 @@ _AM_IF_OPTION([tar-ustar], [_AM_PROG_TAR([ustar])],
 			     [_AM_PROG_TAR([v7])])])
 _AM_IF_OPTION([no-dependencies],,
 [AC_PROVIDE_IFELSE([AC_PROG_CC],
-		  [_AM_DEPENDENCIES(CC)],
-		  [define([AC_PROG_CC],
-			  defn([AC_PROG_CC])[_AM_DEPENDENCIES(CC)])])dnl
+		  [_AM_DEPENDENCIES([CC])],
+		  [m4_define([AC_PROG_CC],
+			     m4_defn([AC_PROG_CC])[_AM_DEPENDENCIES([CC])])])dnl
 AC_PROVIDE_IFELSE([AC_PROG_CXX],
-		  [_AM_DEPENDENCIES(CXX)],
-		  [define([AC_PROG_CXX],
-			  defn([AC_PROG_CXX])[_AM_DEPENDENCIES(CXX)])])dnl
+		  [_AM_DEPENDENCIES([CXX])],
+		  [m4_define([AC_PROG_CXX],
+			     m4_defn([AC_PROG_CXX])[_AM_DEPENDENCIES([CXX])])])dnl
 AC_PROVIDE_IFELSE([AC_PROG_OBJC],
-		  [_AM_DEPENDENCIES(OBJC)],
-		  [define([AC_PROG_OBJC],
-			  defn([AC_PROG_OBJC])[_AM_DEPENDENCIES(OBJC)])])dnl
+		  [_AM_DEPENDENCIES([OBJC])],
+		  [m4_define([AC_PROG_OBJC],
+			     m4_defn([AC_PROG_OBJC])[_AM_DEPENDENCIES([OBJC])])])dnl
+AC_PROVIDE_IFELSE([AC_PROG_OBJCXX],
+		  [_AM_DEPENDENCIES([OBJCXX])],
+		  [m4_define([AC_PROG_OBJCXX],
+			     m4_defn([AC_PROG_OBJCXX])[_AM_DEPENDENCIES([OBJCXX])])])dnl
 ])
-_AM_IF_OPTION([silent-rules], [AC_REQUIRE([AM_SILENT_RULES])])dnl
-dnl The `parallel-tests' driver may need to know about EXEEXT, so add the
-dnl `am__EXEEXT' conditional if _AM_COMPILER_EXEEXT was seen.  This macro
-dnl is hooked onto _AC_COMPILER_EXEEXT early, see below.
+AC_REQUIRE([AM_SILENT_RULES])dnl
+dnl The testsuite driver may need to know about EXEEXT, so add the
+dnl 'am__EXEEXT' conditional if _AM_COMPILER_EXEEXT was seen.  This
+dnl macro is hooked onto _AC_COMPILER_EXEEXT early, see below.
 AC_CONFIG_COMMANDS_PRE(dnl
 [m4_provide_if([_AM_COMPILER_EXEEXT],
   [AM_CONDITIONAL([am__EXEEXT], [test -n "$EXEEXT"])])])dnl
 ])
 
-dnl Hook into `_AC_COMPILER_EXEEXT' early to learn its expansion.  Do not
+dnl Hook into '_AC_COMPILER_EXEEXT' early to learn its expansion.  Do not
 dnl add the conditional right here, as _AC_COMPILER_EXEEXT may be further
 dnl mangled by Autoconf and run in a shell conditional statement.
 m4_define([_AC_COMPILER_EXEEXT],
@@ -567,7 +576,7 @@ for _am_header in $config_headers :; do
 done
 echo "timestamp for $_am_arg" >`AS_DIRNAME(["$_am_arg"])`/stamp-h[]$_am_stamp_count])
 
-# Copyright (C) 2001, 2003, 2005, 2008  Free Software Foundation, Inc.
+# Copyright (C) 2001-2013 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@@ -586,16 +595,14 @@ if test x"${install_sh}" != xset; then
     install_sh="\${SHELL} $am_aux_dir/install-sh"
   esac
 fi
-AC_SUBST(install_sh)])
+AC_SUBST([install_sh])])
 
-# Copyright (C) 2003, 2005  Free Software Foundation, Inc.
+# Copyright (C) 2003-2013 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
-# serial 2
-
 # Check whether the underlying file-system supports filenames
 # with a leading dot.  For instance MS-DOS doesn't.
 AC_DEFUN([AM_SET_LEADING_DOT],
@@ -612,20 +619,17 @@ AC_SUBST([am__leading_dot])])
 # Add --enable-maintainer-mode option to configure.         -*- Autoconf -*-
 # From Jim Meyering
 
-# Copyright (C) 1996, 1998, 2000, 2001, 2002, 2003, 2004, 2005, 2008
-# Free Software Foundation, Inc.
+# Copyright (C) 1996-2013 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
-# serial 5
-
 # AM_MAINTAINER_MODE([DEFAULT-MODE])
 # ----------------------------------
 # Control maintainer-specific portions of Makefiles.
-# Default is to disable them, unless `enable' is passed literally.
-# For symmetry, `disable' may be passed as well.  Anyway, the user
+# Default is to disable them, unless 'enable' is passed literally.
+# For symmetry, 'disable' may be passed as well.  Anyway, the user
 # can override the default with the --enable/--disable switch.
 AC_DEFUN([AM_MAINTAINER_MODE],
 [m4_case(m4_default([$1], [disable]),
@@ -633,13 +637,14 @@ AC_DEFUN([AM_MAINTAINER_MODE],
        [disable], [m4_define([am_maintainer_other], [enable])],
        [m4_define([am_maintainer_other], [enable])
         m4_warn([syntax], [unexpected argument to AM@&t@_MAINTAINER_MODE: $1])])
-AC_MSG_CHECKING([whether to am_maintainer_other maintainer-specific portions of Makefiles])
+AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
   dnl maintainer-mode's default is 'disable' unless 'enable' is passed
   AC_ARG_ENABLE([maintainer-mode],
-[  --][am_maintainer_other][-maintainer-mode  am_maintainer_other make rules and dependencies not useful
-			  (and sometimes confusing) to the casual installer],
-      [USE_MAINTAINER_MODE=$enableval],
-      [USE_MAINTAINER_MODE=]m4_if(am_maintainer_other, [enable], [no], [yes]))
+    [AS_HELP_STRING([--]am_maintainer_other[-maintainer-mode],
+      am_maintainer_other[ make rules and dependencies not useful
+      (and sometimes confusing) to the casual installer])],
+    [USE_MAINTAINER_MODE=$enableval],
+    [USE_MAINTAINER_MODE=]m4_if(am_maintainer_other, [enable], [no], [yes]))
   AC_MSG_RESULT([$USE_MAINTAINER_MODE])
   AM_CONDITIONAL([MAINTAINER_MODE], [test $USE_MAINTAINER_MODE = yes])
   MAINT=$MAINTAINER_MODE_TRUE
@@ -647,18 +652,14 @@ AC_MSG_CHECKING([whether to am_maintainer_other maintainer-specific portions of
 ]
 )
 
-AU_DEFUN([jm_MAINTAINER_MODE], [AM_MAINTAINER_MODE])
-
 # Check to see how 'make' treats includes.	            -*- Autoconf -*-
 
-# Copyright (C) 2001, 2002, 2003, 2005, 2009  Free Software Foundation, Inc.
+# Copyright (C) 2001-2013 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
-# serial 4
-
 # AM_MAKE_INCLUDE()
 # -----------------
 # Check to see how make treats includes.
@@ -676,7 +677,7 @@ am__quote=
 _am_result=none
 # First try GNU make style include.
 echo "include confinc" > confmf
-# Ignore all kinds of additional output from `make'.
+# Ignore all kinds of additional output from 'make'.
 case `$am_make -s -f confmf 2> /dev/null` in #(
 *the\ am__doit\ target*)
   am__include=include
@@ -703,15 +704,12 @@ rm -f confinc confmf
 
 # Fake the existence of programs that GNU maintainers use.  -*- Autoconf -*-
 
-# Copyright (C) 1997, 1999, 2000, 2001, 2003, 2004, 2005, 2008
-# Free Software Foundation, Inc.
+# Copyright (C) 1997-2013 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
-# serial 6
-
 # AM_MISSING_PROG(NAME, PROGRAM)
 # ------------------------------
 AC_DEFUN([AM_MISSING_PROG],
@@ -719,11 +717,10 @@ AC_DEFUN([AM_MISSING_PROG],
 $1=${$1-"${am_missing_run}$2"}
 AC_SUBST($1)])
 
-
 # AM_MISSING_HAS_RUN
 # ------------------
-# Define MISSING if not defined so far and test if it supports --run.
-# If it does, set am_missing_run to use it, otherwise, to nothing.
+# Define MISSING if not defined so far and test if it is modern enough.
+# If it is, set am_missing_run to use it, otherwise, to nothing.
 AC_DEFUN([AM_MISSING_HAS_RUN],
 [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
 AC_REQUIRE_AUX_FILE([missing])dnl
@@ -736,63 +733,35 @@ if test x"${MISSING+set}" != xset; then
   esac
 fi
 # Use eval to expand $SHELL
-if eval "$MISSING --run true"; then
-  am_missing_run="$MISSING --run "
+if eval "$MISSING --is-lightweight"; then
+  am_missing_run="$MISSING "
 else
   am_missing_run=
-  AC_MSG_WARN([`missing' script is too old or missing])
+  AC_MSG_WARN(['missing' script is too old or missing])
 fi
 ])
 
-# Copyright (C) 2003, 2004, 2005, 2006  Free Software Foundation, Inc.
-#
-# This file is free software; the Free Software Foundation
-# gives unlimited permission to copy and/or distribute it,
-# with or without modifications, as long as this notice is preserved.
-
-# AM_PROG_MKDIR_P
-# ---------------
-# Check for `mkdir -p'.
-AC_DEFUN([AM_PROG_MKDIR_P],
-[AC_PREREQ([2.60])dnl
-AC_REQUIRE([AC_PROG_MKDIR_P])dnl
-dnl Automake 1.8 to 1.9.6 used to define mkdir_p.  We now use MKDIR_P,
-dnl while keeping a definition of mkdir_p for backward compatibility.
-dnl @MKDIR_P@ is magic: AC_OUTPUT adjusts its value for each Makefile.
-dnl However we cannot define mkdir_p as $(MKDIR_P) for the sake of
-dnl Makefile.ins that do not define MKDIR_P, so we do our own
-dnl adjustment using top_builddir (which is defined more often than
-dnl MKDIR_P).
-AC_SUBST([mkdir_p], ["$MKDIR_P"])dnl
-case $mkdir_p in
-  [[\\/$]]* | ?:[[\\/]]*) ;;
-  */*) mkdir_p="\$(top_builddir)/$mkdir_p" ;;
-esac
-])
-
 # Helper functions for option handling.                     -*- Autoconf -*-
 
-# Copyright (C) 2001, 2002, 2003, 2005, 2008  Free Software Foundation, Inc.
+# Copyright (C) 2001-2013 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
-# serial 4
-
 # _AM_MANGLE_OPTION(NAME)
 # -----------------------
 AC_DEFUN([_AM_MANGLE_OPTION],
 [[_AM_OPTION_]m4_bpatsubst($1, [[^a-zA-Z0-9_]], [_])])
 
 # _AM_SET_OPTION(NAME)
-# ------------------------------
+# --------------------
 # Set option NAME.  Presently that only means defining a flag for this option.
 AC_DEFUN([_AM_SET_OPTION],
-[m4_define(_AM_MANGLE_OPTION([$1]), 1)])
+[m4_define(_AM_MANGLE_OPTION([$1]), [1])])
 
 # _AM_SET_OPTIONS(OPTIONS)
-# ----------------------------------
+# ------------------------
 # OPTIONS is a space-separated list of Automake options.
 AC_DEFUN([_AM_SET_OPTIONS],
 [m4_foreach_w([_AM_Option], [$1], [_AM_SET_OPTION(_AM_Option)])])
@@ -805,22 +774,16 @@ AC_DEFUN([_AM_IF_OPTION],
 
 # Check to make sure that the build environment is sane.    -*- Autoconf -*-
 
-# Copyright (C) 1996, 1997, 2000, 2001, 2003, 2005, 2008
-# Free Software Foundation, Inc.
+# Copyright (C) 1996-2013 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
-# serial 5
-
 # AM_SANITY_CHECK
 # ---------------
 AC_DEFUN([AM_SANITY_CHECK],
 [AC_MSG_CHECKING([whether build environment is sane])
-# Just in case
-sleep 1
-echo timestamp > conftest.file
 # Reject unsafe characters in $srcdir or the absolute working directory
 # name.  Accept space and tab only in the latter.
 am_lf='
@@ -831,32 +794,40 @@ case `pwd` in
 esac
 case $srcdir in
   *[[\\\"\#\$\&\'\`$am_lf\ \	]]*)
-    AC_MSG_ERROR([unsafe srcdir value: `$srcdir']);;
+    AC_MSG_ERROR([unsafe srcdir value: '$srcdir']);;
 esac
 
-# Do `set' in a subshell so we don't clobber the current shell's
+# Do 'set' in a subshell so we don't clobber the current shell's
 # arguments.  Must try -L first in case configure is actually a
 # symlink; some systems play weird games with the mod time of symlinks
 # (eg FreeBSD returns the mod time of the symlink's containing
 # directory).
 if (
-   set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null`
-   if test "$[*]" = "X"; then
-      # -L didn't work.
-      set X `ls -t "$srcdir/configure" conftest.file`
-   fi
-   rm -f conftest.file
-   if test "$[*]" != "X $srcdir/configure conftest.file" \
-      && test "$[*]" != "X conftest.file $srcdir/configure"; then
-
-      # If neither matched, then we have a broken ls.  This can happen
-      # if, for instance, CONFIG_SHELL is bash and it inherits a
-      # broken ls alias from the environment.  This has actually
-      # happened.  Such a system could not be considered "sane".
-      AC_MSG_ERROR([ls -t appears to fail.  Make sure there is not a broken
-alias in your environment])
-   fi
-
+   am_has_slept=no
+   for am_try in 1 2; do
+     echo "timestamp, slept: $am_has_slept" > conftest.file
+     set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null`
+     if test "$[*]" = "X"; then
+	# -L didn't work.
+	set X `ls -t "$srcdir/configure" conftest.file`
+     fi
+     if test "$[*]" != "X $srcdir/configure conftest.file" \
+	&& test "$[*]" != "X conftest.file $srcdir/configure"; then
+
+	# If neither matched, then we have a broken ls.  This can happen
+	# if, for instance, CONFIG_SHELL is bash and it inherits a
+	# broken ls alias from the environment.  This has actually
+	# happened.  Such a system could not be considered "sane".
+	AC_MSG_ERROR([ls -t appears to fail.  Make sure there is not a broken
+  alias in your environment])
+     fi
+     if test "$[2]" = conftest.file || test $am_try -eq 2; then
+       break
+     fi
+     # Just in case.
+     sleep 1
+     am_has_slept=yes
+   done
    test "$[2]" = conftest.file
    )
 then
@@ -866,9 +837,85 @@ else
    AC_MSG_ERROR([newly created file is older than distributed files!
 Check your system clock])
 fi
-AC_MSG_RESULT(yes)])
+AC_MSG_RESULT([yes])
+# If we didn't sleep, we still need to ensure time stamps of config.status and
+# generated files are strictly newer.
+am_sleep_pid=
+if grep 'slept: no' conftest.file >/dev/null 2>&1; then
+  ( sleep 1 ) &
+  am_sleep_pid=$!
+fi
+AC_CONFIG_COMMANDS_PRE(
+  [AC_MSG_CHECKING([that generated files are newer than configure])
+   if test -n "$am_sleep_pid"; then
+     # Hide warnings about reused PIDs.
+     wait $am_sleep_pid 2>/dev/null
+   fi
+   AC_MSG_RESULT([done])])
+rm -f conftest.file
+])
+
+# Copyright (C) 2009-2013 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# AM_SILENT_RULES([DEFAULT])
+# --------------------------
+# Enable less verbose build rules; with the default set to DEFAULT
+# ("yes" being less verbose, "no" or empty being verbose).
+AC_DEFUN([AM_SILENT_RULES],
+[AC_ARG_ENABLE([silent-rules], [dnl
+AS_HELP_STRING(
+  [--enable-silent-rules],
+  [less verbose build output (undo: "make V=1")])
+AS_HELP_STRING(
+  [--disable-silent-rules],
+  [verbose build output (undo: "make V=0")])dnl
+])
+case $enable_silent_rules in @%:@ (((
+  yes) AM_DEFAULT_VERBOSITY=0;;
+   no) AM_DEFAULT_VERBOSITY=1;;
+    *) AM_DEFAULT_VERBOSITY=m4_if([$1], [yes], [0], [1]);;
+esac
+dnl
+dnl A few 'make' implementations (e.g., NonStop OS and NextStep)
+dnl do not support nested variable expansions.
+dnl See automake bug#9928 and bug#10237.
+am_make=${MAKE-make}
+AC_CACHE_CHECK([whether $am_make supports nested variables],
+   [am_cv_make_support_nested_variables],
+   [if AS_ECHO([['TRUE=$(BAR$(V))
+BAR0=false
+BAR1=true
+V=1
+am__doit:
+	@$(TRUE)
+.PHONY: am__doit']]) | $am_make -f - >/dev/null 2>&1; then
+  am_cv_make_support_nested_variables=yes
+else
+  am_cv_make_support_nested_variables=no
+fi])
+if test $am_cv_make_support_nested_variables = yes; then
+  dnl Using '$V' instead of '$(V)' breaks IRIX make.
+  AM_V='$(V)'
+  AM_DEFAULT_V='$(AM_DEFAULT_VERBOSITY)'
+else
+  AM_V=$AM_DEFAULT_VERBOSITY
+  AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY
+fi
+AC_SUBST([AM_V])dnl
+AM_SUBST_NOTMAKE([AM_V])dnl
+AC_SUBST([AM_DEFAULT_V])dnl
+AM_SUBST_NOTMAKE([AM_DEFAULT_V])dnl
+AC_SUBST([AM_DEFAULT_VERBOSITY])dnl
+AM_BACKSLASH='\'
+AC_SUBST([AM_BACKSLASH])dnl
+_AM_SUBST_NOTMAKE([AM_BACKSLASH])dnl
+])
 
-# Copyright (C) 2001, 2003, 2005  Free Software Foundation, Inc.
+# Copyright (C) 2001-2013 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@@ -876,34 +923,32 @@ AC_MSG_RESULT(yes)])
 
 # AM_PROG_INSTALL_STRIP
 # ---------------------
-# One issue with vendor `install' (even GNU) is that you can't
+# One issue with vendor 'install' (even GNU) is that you can't
 # specify the program used to strip binaries.  This is especially
 # annoying in cross-compiling environments, where the build's strip
 # is unlikely to handle the host's binaries.
 # Fortunately install-sh will honor a STRIPPROG variable, so we
-# always use install-sh in `make install-strip', and initialize
+# always use install-sh in "make install-strip", and initialize
 # STRIPPROG with the value of the STRIP variable (set by the user).
 AC_DEFUN([AM_PROG_INSTALL_STRIP],
 [AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
-# Installed binaries are usually stripped using `strip' when the user
-# run `make install-strip'.  However `strip' might not be the right
+# Installed binaries are usually stripped using 'strip' when the user
+# run "make install-strip".  However 'strip' might not be the right
 # tool to use in cross-compilation environments, therefore Automake
-# will honor the `STRIP' environment variable to overrule this program.
-dnl Don't test for $cross_compiling = yes, because it might be `maybe'.
+# will honor the 'STRIP' environment variable to overrule this program.
+dnl Don't test for $cross_compiling = yes, because it might be 'maybe'.
 if test "$cross_compiling" != no; then
   AC_CHECK_TOOL([STRIP], [strip], :)
 fi
 INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
 AC_SUBST([INSTALL_STRIP_PROGRAM])])
 
-# Copyright (C) 2006, 2008  Free Software Foundation, Inc.
+# Copyright (C) 2006-2013 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
-# serial 2
-
 # _AM_SUBST_NOTMAKE(VARIABLE)
 # ---------------------------
 # Prevent Automake from outputting VARIABLE = @VARIABLE@ in Makefile.in.
@@ -911,24 +956,22 @@ AC_SUBST([INSTALL_STRIP_PROGRAM])])
 AC_DEFUN([_AM_SUBST_NOTMAKE])
 
 # AM_SUBST_NOTMAKE(VARIABLE)
-# ---------------------------
+# --------------------------
 # Public sister of _AM_SUBST_NOTMAKE.
 AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
 
 # Check how to create a tarball.                            -*- Autoconf -*-
 
-# Copyright (C) 2004, 2005  Free Software Foundation, Inc.
+# Copyright (C) 2004-2013 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
-# serial 2
-
 # _AM_PROG_TAR(FORMAT)
 # --------------------
 # Check how to create a tarball in format FORMAT.
-# FORMAT should be one of `v7', `ustar', or `pax'.
+# FORMAT should be one of 'v7', 'ustar', or 'pax'.
 #
 # Substitute a variable $(am__tar) that is a command
 # writing to stdout a FORMAT-tarball containing the directory
@@ -938,75 +981,114 @@ AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
 # Substitute a variable $(am__untar) that extract such
 # a tarball read from stdin.
 #     $(am__untar) < result.tar
+#
 AC_DEFUN([_AM_PROG_TAR],
-[# Always define AMTAR for backward compatibility.
-AM_MISSING_PROG([AMTAR], [tar])
-m4_if([$1], [v7],
-     [am__tar='${AMTAR} chof - "$$tardir"'; am__untar='${AMTAR} xf -'],
-     [m4_case([$1], [ustar],, [pax],,
-              [m4_fatal([Unknown tar format])])
-AC_MSG_CHECKING([how to create a $1 tar archive])
-# Loop over all known methods to create a tar archive until one works.
+[# Always define AMTAR for backward compatibility.  Yes, it's still used
+# in the wild :-(  We should find a proper way to deprecate it ...
+AC_SUBST([AMTAR], ['$${TAR-tar}'])
+
+# We'll loop over all known methods to create a tar archive until one works.
 _am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none'
-_am_tools=${am_cv_prog_tar_$1-$_am_tools}
-# Do not fold the above two line into one, because Tru64 sh and
-# Solaris sh will not grok spaces in the rhs of `-'.
-for _am_tool in $_am_tools
-do
-  case $_am_tool in
-  gnutar)
-    for _am_tar in tar gnutar gtar;
-    do
-      AM_RUN_LOG([$_am_tar --version]) && break
-    done
-    am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"'
-    am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"'
-    am__untar="$_am_tar -xf -"
-    ;;
-  plaintar)
-    # Must skip GNU tar: if it does not support --format= it doesn't create
-    # ustar tarball either.
-    (tar --version) >/dev/null 2>&1 && continue
-    am__tar='tar chf - "$$tardir"'
-    am__tar_='tar chf - "$tardir"'
-    am__untar='tar xf -'
-    ;;
-  pax)
-    am__tar='pax -L -x $1 -w "$$tardir"'
-    am__tar_='pax -L -x $1 -w "$tardir"'
-    am__untar='pax -r'
-    ;;
-  cpio)
-    am__tar='find "$$tardir" -print | cpio -o -H $1 -L'
-    am__tar_='find "$tardir" -print | cpio -o -H $1 -L'
-    am__untar='cpio -i -H $1 -d'
-    ;;
-  none)
-    am__tar=false
-    am__tar_=false
-    am__untar=false
-    ;;
-  esac
 
-  # If the value was cached, stop now.  We just wanted to have am__tar
-  # and am__untar set.
-  test -n "${am_cv_prog_tar_$1}" && break
+m4_if([$1], [v7],
+  [am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'],
+
+  [m4_case([$1],
+    [ustar],
+     [# The POSIX 1988 'ustar' format is defined with fixed-size fields.
+      # There is notably a 21 bits limit for the UID and the GID.  In fact,
+      # the 'pax' utility can hang on bigger UID/GID (see automake bug#8343
+      # and bug#13588).
+      am_max_uid=2097151 # 2^21 - 1
+      am_max_gid=$am_max_uid
+      # The $UID and $GID variables are not portable, so we need to resort
+      # to the POSIX-mandated id(1) utility.  Errors in the 'id' calls
+      # below are definitely unexpected, so allow the users to see them
+      # (that is, avoid stderr redirection).
+      am_uid=`id -u || echo unknown`
+      am_gid=`id -g || echo unknown`
+      AC_MSG_CHECKING([whether UID '$am_uid' is supported by ustar format])
+      if test $am_uid -le $am_max_uid; then
+         AC_MSG_RESULT([yes])
+      else
+         AC_MSG_RESULT([no])
+         _am_tools=none
+      fi
+      AC_MSG_CHECKING([whether GID '$am_gid' is supported by ustar format])
+      if test $am_gid -le $am_max_gid; then
+         AC_MSG_RESULT([yes])
+      else
+        AC_MSG_RESULT([no])
+        _am_tools=none
+      fi],
+
+  [pax],
+    [],
+
+  [m4_fatal([Unknown tar format])])
+
+  AC_MSG_CHECKING([how to create a $1 tar archive])
+
+  # Go ahead even if we have the value already cached.  We do so because we
+  # need to set the values for the 'am__tar' and 'am__untar' variables.
+  _am_tools=${am_cv_prog_tar_$1-$_am_tools}
+
+  for _am_tool in $_am_tools; do
+    case $_am_tool in
+    gnutar)
+      for _am_tar in tar gnutar gtar; do
+        AM_RUN_LOG([$_am_tar --version]) && break
+      done
+      am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"'
+      am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"'
+      am__untar="$_am_tar -xf -"
+      ;;
+    plaintar)
+      # Must skip GNU tar: if it does not support --format= it doesn't create
+      # ustar tarball either.
+      (tar --version) >/dev/null 2>&1 && continue
+      am__tar='tar chf - "$$tardir"'
+      am__tar_='tar chf - "$tardir"'
+      am__untar='tar xf -'
+      ;;
+    pax)
+      am__tar='pax -L -x $1 -w "$$tardir"'
+      am__tar_='pax -L -x $1 -w "$tardir"'
+      am__untar='pax -r'
+      ;;
+    cpio)
+      am__tar='find "$$tardir" -print | cpio -o -H $1 -L'
+      am__tar_='find "$tardir" -print | cpio -o -H $1 -L'
+      am__untar='cpio -i -H $1 -d'
+      ;;
+    none)
+      am__tar=false
+      am__tar_=false
+      am__untar=false
+      ;;
+    esac
 
-  # tar/untar a dummy directory, and stop if the command works
-  rm -rf conftest.dir
-  mkdir conftest.dir
-  echo GrepMe > conftest.dir/file
-  AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar])
+    # If the value was cached, stop now.  We just wanted to have am__tar
+    # and am__untar set.
+    test -n "${am_cv_prog_tar_$1}" && break
+
+    # tar/untar a dummy directory, and stop if the command works.
+    rm -rf conftest.dir
+    mkdir conftest.dir
+    echo GrepMe > conftest.dir/file
+    AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar])
+    rm -rf conftest.dir
+    if test -s conftest.tar; then
+      AM_RUN_LOG([$am__untar <conftest.tar])
+      AM_RUN_LOG([cat conftest.dir/file])
+      grep GrepMe conftest.dir/file >/dev/null 2>&1 && break
+    fi
+  done
   rm -rf conftest.dir
-  if test -s conftest.tar; then
-    AM_RUN_LOG([$am__untar <conftest.tar])
-    grep GrepMe conftest.dir/file >/dev/null 2>&1 && break
-  fi
-done
-rm -rf conftest.dir
 
-AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool])
-AC_MSG_RESULT([$am_cv_prog_tar_$1])])
+  AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool])
+  AC_MSG_RESULT([$am_cv_prog_tar_$1])])
+
 AC_SUBST([am__tar])
 AC_SUBST([am__untar])
 ]) # _AM_PROG_TAR
diff --git a/configure b/configure
index fe36046..b731e22 100755
--- a/configure
+++ b/configure
@@ -1,13 +1,11 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.68 for rng-tools 4.
+# Generated by GNU Autoconf 2.69 for rng-tools 5.
 #
 # Report bugs to <Jeff Garzik <jgarzik@pobox.com>>.
 #
 #
-# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
-# 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 Free Software
-# Foundation, Inc.
+# Copyright (C) 1992-1996, 1998-2012 Free Software Foundation, Inc.
 #
 #
 # This configure script is free software; the Free Software Foundation
@@ -136,6 +134,31 @@ export LANGUAGE
 # CDPATH.
 (unset CDPATH) >/dev/null 2>&1 && unset CDPATH
 
+# Use a proper internal environment variable to ensure we don't fall
+  # into an infinite loop, continuously re-executing ourselves.
+  if test x"${_as_can_reexec}" != xno && test "x$CONFIG_SHELL" != x; then
+    _as_can_reexec=no; export _as_can_reexec;
+    # We cannot yet assume a decent shell, so we have to provide a
+# neutralization value for shells without unset; and this also
+# works around shells that cannot unset nonexistent variables.
+# Preserve -v and -x to the replacement shell.
+BASH_ENV=/dev/null
+ENV=/dev/null
+(unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV
+case $- in # ((((
+  *v*x* | *x*v* ) as_opts=-vx ;;
+  *v* ) as_opts=-v ;;
+  *x* ) as_opts=-x ;;
+  * ) as_opts= ;;
+esac
+exec $CONFIG_SHELL $as_opts "$as_myself" ${1+"$@"}
+# Admittedly, this is quite paranoid, since all the known shells bail
+# out after a failed `exec'.
+$as_echo "$0: could not re-execute with $CONFIG_SHELL" >&2
+as_fn_exit 255
+  fi
+  # We don't want this to propagate to other subprocesses.
+          { _as_can_reexec=; unset _as_can_reexec;}
 if test "x$CONFIG_SHELL" = x; then
   as_bourne_compatible="if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then :
   emulate sh
@@ -169,7 +192,8 @@ if ( set x; as_fn_ret_success y && test x = \"\$1\" ); then :
 else
   exitcode=1; echo positional parameters were not saved.
 fi
-test x\$exitcode = x0 || exit 1"
+test x\$exitcode = x0 || exit 1
+test -x / || exit 1"
   as_suggested="  as_lineno_1=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_1a=\$LINENO
   as_lineno_2=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_2a=\$LINENO
   eval 'test \"x\$as_lineno_1'\$as_run'\" != \"x\$as_lineno_2'\$as_run'\" &&
@@ -214,21 +238,25 @@ IFS=$as_save_IFS
 
 
       if test "x$CONFIG_SHELL" != x; then :
-  # We cannot yet assume a decent shell, so we have to provide a
-	# neutralization value for shells without unset; and this also
-	# works around shells that cannot unset nonexistent variables.
-	# Preserve -v and -x to the replacement shell.
-	BASH_ENV=/dev/null
-	ENV=/dev/null
-	(unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV
-	export CONFIG_SHELL
-	case $- in # ((((
-	  *v*x* | *x*v* ) as_opts=-vx ;;
-	  *v* ) as_opts=-v ;;
-	  *x* ) as_opts=-x ;;
-	  * ) as_opts= ;;
-	esac
-	exec "$CONFIG_SHELL" $as_opts "$as_myself" ${1+"$@"}
+  export CONFIG_SHELL
+             # We cannot yet assume a decent shell, so we have to provide a
+# neutralization value for shells without unset; and this also
+# works around shells that cannot unset nonexistent variables.
+# Preserve -v and -x to the replacement shell.
+BASH_ENV=/dev/null
+ENV=/dev/null
+(unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV
+case $- in # ((((
+  *v*x* | *x*v* ) as_opts=-vx ;;
+  *v* ) as_opts=-v ;;
+  *x* ) as_opts=-x ;;
+  * ) as_opts= ;;
+esac
+exec $CONFIG_SHELL $as_opts "$as_myself" ${1+"$@"}
+# Admittedly, this is quite paranoid, since all the known shells bail
+# out after a failed `exec'.
+$as_echo "$0: could not re-execute with $CONFIG_SHELL" >&2
+exit 255
 fi
 
     if test x$as_have_required = xno; then :
@@ -331,6 +359,14 @@ $as_echo X"$as_dir" |
 
 
 } # as_fn_mkdir_p
+
+# as_fn_executable_p FILE
+# -----------------------
+# Test if FILE is an executable regular file.
+as_fn_executable_p ()
+{
+  test -f "$1" && test -x "$1"
+} # as_fn_executable_p
 # as_fn_append VAR VALUE
 # ----------------------
 # Append the text in VALUE to the end of the definition contained in VAR. Take
@@ -452,6 +488,10 @@ as_cr_alnum=$as_cr_Letters$as_cr_digits
   chmod +x "$as_me.lineno" ||
     { $as_echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2; as_fn_exit 1; }
 
+  # If we had to re-execute with $CONFIG_SHELL, we're ensured to have
+  # already done that, so ensure we don't try to do so again and fall
+  # in an infinite loop.  This has already happened in practice.
+  _as_can_reexec=no; export _as_can_reexec
   # Don't try to exec as it changes $[0], causing all sort of problems
   # (the dirname of $[0] is not the place where we might find the
   # original and so on.  Autoconf is especially sensitive to this).
@@ -486,16 +526,16 @@ if (echo >conf$$.file) 2>/dev/null; then
     # ... but there are two gotchas:
     # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail.
     # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable.
-    # In both cases, we have to default to `cp -p'.
+    # In both cases, we have to default to `cp -pR'.
     ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe ||
-      as_ln_s='cp -p'
+      as_ln_s='cp -pR'
   elif ln conf$$.file conf$$ 2>/dev/null; then
     as_ln_s=ln
   else
-    as_ln_s='cp -p'
+    as_ln_s='cp -pR'
   fi
 else
-  as_ln_s='cp -p'
+  as_ln_s='cp -pR'
 fi
 rm -f conf$$ conf$$.exe conf$$.dir/conf$$.file conf$$.file
 rmdir conf$$.dir 2>/dev/null
@@ -507,28 +547,8 @@ else
   as_mkdir_p=false
 fi
 
-if test -x / >/dev/null 2>&1; then
-  as_test_x='test -x'
-else
-  if ls -dL / >/dev/null 2>&1; then
-    as_ls_L_option=L
-  else
-    as_ls_L_option=
-  fi
-  as_test_x='
-    eval sh -c '\''
-      if test -d "$1"; then
-	test -d "$1/.";
-      else
-	case $1 in #(
-	-*)set "./$1";;
-	esac;
-	case `ls -ld'$as_ls_L_option' "$1" 2>/dev/null` in #((
-	???[sx]*):;;*)false;;esac;fi
-    '\'' sh
-  '
-fi
-as_executable_p=$as_test_x
+as_test_x='test -x'
+as_executable_p=as_fn_executable_p
 
 # Sed expression to map a string onto a valid CPP name.
 as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'"
@@ -560,12 +580,48 @@ MAKEFLAGS=
 # Identity of this package.
 PACKAGE_NAME='rng-tools'
 PACKAGE_TARNAME='rng-tools'
-PACKAGE_VERSION='4'
-PACKAGE_STRING='rng-tools 4'
+PACKAGE_VERSION='5'
+PACKAGE_STRING='rng-tools 5'
 PACKAGE_BUGREPORT='Jeff Garzik <jgarzik@pobox.com>'
 PACKAGE_URL=''
 
 ac_unique_file="rngd.c"
+# Factoring default headers for most tests.
+ac_includes_default="\
+#include <stdio.h>
+#ifdef HAVE_SYS_TYPES_H
+# include <sys/types.h>
+#endif
+#ifdef HAVE_SYS_STAT_H
+# include <sys/stat.h>
+#endif
+#ifdef STDC_HEADERS
+# include <stdlib.h>
+# include <stddef.h>
+#else
+# ifdef HAVE_STDLIB_H
+#  include <stdlib.h>
+# endif
+#endif
+#ifdef HAVE_STRING_H
+# if !defined STDC_HEADERS && defined HAVE_MEMORY_H
+#  include <memory.h>
+# endif
+# include <string.h>
+#endif
+#ifdef HAVE_STRINGS_H
+# include <strings.h>
+#endif
+#ifdef HAVE_INTTYPES_H
+# include <inttypes.h>
+#endif
+#ifdef HAVE_STDINT_H
+# include <stdint.h>
+#endif
+#ifdef HAVE_UNISTD_H
+# include <unistd.h>
+#endif"
+
 ac_subst_vars='am__EXEEXT_FALSE
 am__EXEEXT_TRUE
 LTLIBOBJS
@@ -582,6 +638,7 @@ RANLIB
 am__fastdepCC_FALSE
 am__fastdepCC_TRUE
 CCDEPMODE
+am__nodep
 AMDEPBACKSLASH
 AMDEP_FALSE
 AMDEP_TRUE
@@ -598,6 +655,10 @@ CC
 MAINT
 MAINTAINER_MODE_FALSE
 MAINTAINER_MODE_TRUE
+AM_BACKSLASH
+AM_DEFAULT_VERBOSITY
+AM_DEFAULT_V
+AM_V
 am__untar
 am__tar
 AMTAR
@@ -662,6 +723,8 @@ SHELL'
 ac_subst_files=''
 ac_user_opts='
 enable_option_checking
+enable_silent_rules
+with_libgcrypt
 enable_maintainer_mode
 enable_dependency_tracking
 '
@@ -1131,8 +1194,6 @@ target=$target_alias
 if test "x$host_alias" != x; then
   if test "x$build_alias" = x; then
     cross_compiling=maybe
-    $as_echo "$as_me: WARNING: if you wanted to set the --build type, don't use --host.
-    If a cross compiler is detected then cross compile mode will be used" >&2
   elif test "x$build_alias" != "x$host_alias"; then
     cross_compiling=yes
   fi
@@ -1218,7 +1279,7 @@ if test "$ac_init_help" = "long"; then
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-\`configure' configures rng-tools 4 to adapt to many kinds of systems.
+\`configure' configures rng-tools 5 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1284,7 +1345,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of rng-tools 4:";;
+     short | recursive ) echo "Configuration of rng-tools 5:";;
    esac
   cat <<\_ACEOF
 
@@ -1292,10 +1353,23 @@ Optional Features:
   --disable-option-checking  ignore unrecognized --enable/--with options
   --disable-FEATURE       do not include FEATURE (same as --enable-FEATURE=no)
   --enable-FEATURE[=ARG]  include FEATURE [ARG=yes]
-  --enable-maintainer-mode  enable make rules and dependencies not useful
-			  (and sometimes confusing) to the casual installer
-  --disable-dependency-tracking  speeds up one-time build
-  --enable-dependency-tracking   do not reject slow dependency extractors
+  --enable-silent-rules   less verbose build output (undo: "make V=1")
+  --disable-silent-rules  verbose build output (undo: "make V=0")
+  --enable-maintainer-mode
+                          enable make rules and dependencies not useful (and
+                          sometimes confusing) to the casual installer
+  --enable-dependency-tracking
+                          do not reject slow dependency extractors
+  --disable-dependency-tracking
+                          speeds up one-time build
+
+Optional Packages:
+  --with-PACKAGE[=ARG]    use PACKAGE [ARG=yes]
+  --without-PACKAGE       do not use PACKAGE (same as --with-PACKAGE=no)
+  --without-libgcrypt     Disable libgcrypt support. Systems that support
+                          RDRAND but not AES-NI will require libgcrypt in
+                          order to use RDRAND as an entropy source. (Default:
+                          --with-libgcrypt)
 
 Some influential environment variables:
   CC          C compiler command
@@ -1375,10 +1449,10 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-rng-tools configure 4
-generated by GNU Autoconf 2.68
+rng-tools configure 5
+generated by GNU Autoconf 2.69
 
-Copyright (C) 2010 Free Software Foundation, Inc.
+Copyright (C) 2012 Free Software Foundation, Inc.
 This configure script is free software; the Free Software Foundation
 gives unlimited permission to copy, distribute and modify it.
 _ACEOF
@@ -1463,12 +1537,176 @@ fi
   as_fn_set_status $ac_retval
 
 } # ac_fn_c_try_cpp
+
+# ac_fn_c_check_header_mongrel LINENO HEADER VAR INCLUDES
+# -------------------------------------------------------
+# Tests whether HEADER exists, giving a warning if it cannot be compiled using
+# the include files in INCLUDES and setting the cache variable VAR
+# accordingly.
+ac_fn_c_check_header_mongrel ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  if eval \${$3+:} false; then :
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
+$as_echo_n "checking for $2... " >&6; }
+if eval \${$3+:} false; then :
+  $as_echo_n "(cached) " >&6
+fi
+eval ac_res=\$$3
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+else
+  # Is the header compilable?
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking $2 usability" >&5
+$as_echo_n "checking $2 usability... " >&6; }
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$4
+#include <$2>
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  ac_header_compiler=yes
+else
+  ac_header_compiler=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_header_compiler" >&5
+$as_echo "$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking $2 presence" >&5
+$as_echo_n "checking $2 presence... " >&6; }
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <$2>
+_ACEOF
+if ac_fn_c_try_cpp "$LINENO"; then :
+  ac_header_preproc=yes
+else
+  ac_header_preproc=no
+fi
+rm -f conftest.err conftest.i conftest.$ac_ext
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_header_preproc" >&5
+$as_echo "$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in #((
+  yes:no: )
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: accepted by the compiler, rejected by the preprocessor!" >&5
+$as_echo "$as_me: WARNING: $2: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: proceeding with the compiler's result" >&5
+$as_echo "$as_me: WARNING: $2: proceeding with the compiler's result" >&2;}
+    ;;
+  no:yes:* )
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: present but cannot be compiled" >&5
+$as_echo "$as_me: WARNING: $2: present but cannot be compiled" >&2;}
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2:     check for missing prerequisite headers?" >&5
+$as_echo "$as_me: WARNING: $2:     check for missing prerequisite headers?" >&2;}
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: see the Autoconf documentation" >&5
+$as_echo "$as_me: WARNING: $2: see the Autoconf documentation" >&2;}
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2:     section \"Present But Cannot Be Compiled\"" >&5
+$as_echo "$as_me: WARNING: $2:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: proceeding with the compiler's result" >&5
+$as_echo "$as_me: WARNING: $2: proceeding with the compiler's result" >&2;}
+( $as_echo "## ---------------------------------------------- ##
+## Report this to Jeff Garzik <jgarzik@pobox.com> ##
+## ---------------------------------------------- ##"
+     ) | sed "s/^/$as_me: WARNING:     /" >&2
+    ;;
+esac
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
+$as_echo_n "checking for $2... " >&6; }
+if eval \${$3+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  eval "$3=\$ac_header_compiler"
+fi
+eval ac_res=\$$3
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+fi
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+
+} # ac_fn_c_check_header_mongrel
+
+# ac_fn_c_try_run LINENO
+# ----------------------
+# Try to link conftest.$ac_ext, and return whether this succeeded. Assumes
+# that executables *can* be run.
+ac_fn_c_try_run ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  if { { ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_link") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; } && { ac_try='./conftest$ac_exeext'
+  { { case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; }; then :
+  ac_retval=0
+else
+  $as_echo "$as_me: program exited with status $ac_status" >&5
+       $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+       ac_retval=$ac_status
+fi
+  rm -rf conftest.dSYM conftest_ipa8_conftest.oo
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+  as_fn_set_status $ac_retval
+
+} # ac_fn_c_try_run
+
+# ac_fn_c_check_header_compile LINENO HEADER VAR INCLUDES
+# -------------------------------------------------------
+# Tests whether HEADER exists and can be compiled using the include files in
+# INCLUDES, setting the cache variable VAR accordingly.
+ac_fn_c_check_header_compile ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
+$as_echo_n "checking for $2... " >&6; }
+if eval \${$3+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$4
+#include <$2>
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  eval "$3=yes"
+else
+  eval "$3=no"
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+eval ac_res=\$$3
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+
+} # ac_fn_c_check_header_compile
 cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
-It was created by rng-tools $as_me 4, which was
-generated by GNU Autoconf 2.68.  Invocation command line was
+It was created by rng-tools $as_me 5, which was
+generated by GNU Autoconf 2.69.  Invocation command line was
 
   $ $0 $@
 
@@ -1817,7 +2055,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 
 
-am__api_version='1.11'
+am__api_version='1.13'
 
 ac_aux_dir=
 for ac_dir in "$srcdir" "$srcdir/.." "$srcdir/../.."; do
@@ -1885,7 +2123,7 @@ case $as_dir/ in #((
     # by default.
     for ac_prog in ginstall scoinst install; do
       for ac_exec_ext in '' $ac_executable_extensions; do
-	if { test -f "$as_dir/$ac_prog$ac_exec_ext" && $as_test_x "$as_dir/$ac_prog$ac_exec_ext"; }; then
+	if as_fn_executable_p "$as_dir/$ac_prog$ac_exec_ext"; then
 	  if test $ac_prog = install &&
 	    grep dspmsg "$as_dir/$ac_prog$ac_exec_ext" >/dev/null 2>&1; then
 	    # AIX install.  It has an incompatible calling convention.
@@ -1943,9 +2181,6 @@ test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether build environment is sane" >&5
 $as_echo_n "checking whether build environment is sane... " >&6; }
-# Just in case
-sleep 1
-echo timestamp > conftest.file
 # Reject unsafe characters in $srcdir or the absolute working directory
 # name.  Accept space and tab only in the latter.
 am_lf='
@@ -1956,32 +2191,40 @@ case `pwd` in
 esac
 case $srcdir in
   *[\\\"\#\$\&\'\`$am_lf\ \	]*)
-    as_fn_error $? "unsafe srcdir value: \`$srcdir'" "$LINENO" 5;;
+    as_fn_error $? "unsafe srcdir value: '$srcdir'" "$LINENO" 5;;
 esac
 
-# Do `set' in a subshell so we don't clobber the current shell's
+# Do 'set' in a subshell so we don't clobber the current shell's
 # arguments.  Must try -L first in case configure is actually a
 # symlink; some systems play weird games with the mod time of symlinks
 # (eg FreeBSD returns the mod time of the symlink's containing
 # directory).
 if (
-   set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null`
-   if test "$*" = "X"; then
-      # -L didn't work.
-      set X `ls -t "$srcdir/configure" conftest.file`
-   fi
-   rm -f conftest.file
-   if test "$*" != "X $srcdir/configure conftest.file" \
-      && test "$*" != "X conftest.file $srcdir/configure"; then
-
-      # If neither matched, then we have a broken ls.  This can happen
-      # if, for instance, CONFIG_SHELL is bash and it inherits a
-      # broken ls alias from the environment.  This has actually
-      # happened.  Such a system could not be considered "sane".
-      as_fn_error $? "ls -t appears to fail.  Make sure there is not a broken
-alias in your environment" "$LINENO" 5
-   fi
-
+   am_has_slept=no
+   for am_try in 1 2; do
+     echo "timestamp, slept: $am_has_slept" > conftest.file
+     set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null`
+     if test "$*" = "X"; then
+	# -L didn't work.
+	set X `ls -t "$srcdir/configure" conftest.file`
+     fi
+     if test "$*" != "X $srcdir/configure conftest.file" \
+	&& test "$*" != "X conftest.file $srcdir/configure"; then
+
+	# If neither matched, then we have a broken ls.  This can happen
+	# if, for instance, CONFIG_SHELL is bash and it inherits a
+	# broken ls alias from the environment.  This has actually
+	# happened.  Such a system could not be considered "sane".
+	as_fn_error $? "ls -t appears to fail.  Make sure there is not a broken
+  alias in your environment" "$LINENO" 5
+     fi
+     if test "$2" = conftest.file || test $am_try -eq 2; then
+       break
+     fi
+     # Just in case.
+     sleep 1
+     am_has_slept=yes
+   done
    test "$2" = conftest.file
    )
 then
@@ -1993,6 +2236,16 @@ Check your system clock" "$LINENO" 5
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
+# If we didn't sleep, we still need to ensure time stamps of config.status and
+# generated files are strictly newer.
+am_sleep_pid=
+if grep 'slept: no' conftest.file >/dev/null 2>&1; then
+  ( sleep 1 ) &
+  am_sleep_pid=$!
+fi
+
+rm -f conftest.file
+
 test "$program_prefix" != NONE &&
   program_transform_name="s&^&$program_prefix&;$program_transform_name"
 # Use a double $ so make ignores it.
@@ -2015,12 +2268,12 @@ if test x"${MISSING+set}" != xset; then
   esac
 fi
 # Use eval to expand $SHELL
-if eval "$MISSING --run true"; then
-  am_missing_run="$MISSING --run "
+if eval "$MISSING --is-lightweight"; then
+  am_missing_run="$MISSING "
 else
   am_missing_run=
-  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: \`missing' script is too old or missing" >&5
-$as_echo "$as_me: WARNING: \`missing' script is too old or missing" >&2;}
+  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: 'missing' script is too old or missing" >&5
+$as_echo "$as_me: WARNING: 'missing' script is too old or missing" >&2;}
 fi
 
 if test x"${install_sh}" != xset; then
@@ -2032,10 +2285,10 @@ if test x"${install_sh}" != xset; then
   esac
 fi
 
-# Installed binaries are usually stripped using `strip' when the user
-# run `make install-strip'.  However `strip' might not be the right
+# Installed binaries are usually stripped using 'strip' when the user
+# run "make install-strip".  However 'strip' might not be the right
 # tool to use in cross-compilation environments, therefore Automake
-# will honor the `STRIP' environment variable to overrule this program.
+# will honor the 'STRIP' environment variable to overrule this program.
 if test "$cross_compiling" != no; then
   if test -n "$ac_tool_prefix"; then
   # Extract the first word of "${ac_tool_prefix}strip", so it can be a program name with args.
@@ -2054,7 +2307,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_STRIP="${ac_tool_prefix}strip"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -2094,7 +2347,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_ac_ct_STRIP="strip"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -2145,7 +2398,7 @@ do
   test -z "$as_dir" && as_dir=.
     for ac_prog in mkdir gmkdir; do
 	 for ac_exec_ext in '' $ac_executable_extensions; do
-	   { test -f "$as_dir/$ac_prog$ac_exec_ext" && $as_test_x "$as_dir/$ac_prog$ac_exec_ext"; } || continue
+	   as_fn_executable_p "$as_dir/$ac_prog$ac_exec_ext" || continue
 	   case `"$as_dir/$ac_prog$ac_exec_ext" --version 2>&1` in #(
 	     'mkdir (GNU coreutils) '* | \
 	     'mkdir (coreutils) '* | \
@@ -2174,12 +2427,6 @@ fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $MKDIR_P" >&5
 $as_echo "$MKDIR_P" >&6; }
 
-mkdir_p="$MKDIR_P"
-case $mkdir_p in
-  [\\/$]* | ?:[\\/]*) ;;
-  */*) mkdir_p="\$(top_builddir)/$mkdir_p" ;;
-esac
-
 for ac_prog in gawk mawk nawk awk
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
@@ -2198,7 +2445,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_AWK="$ac_prog"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -2262,6 +2509,45 @@ else
 fi
 rmdir .tst 2>/dev/null
 
+# Check whether --enable-silent-rules was given.
+if test "${enable_silent_rules+set}" = set; then :
+  enableval=$enable_silent_rules;
+fi
+
+case $enable_silent_rules in # (((
+  yes) AM_DEFAULT_VERBOSITY=0;;
+   no) AM_DEFAULT_VERBOSITY=1;;
+    *) AM_DEFAULT_VERBOSITY=1;;
+esac
+am_make=${MAKE-make}
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $am_make supports nested variables" >&5
+$as_echo_n "checking whether $am_make supports nested variables... " >&6; }
+if ${am_cv_make_support_nested_variables+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if $as_echo 'TRUE=$(BAR$(V))
+BAR0=false
+BAR1=true
+V=1
+am__doit:
+	@$(TRUE)
+.PHONY: am__doit' | $am_make -f - >/dev/null 2>&1; then
+  am_cv_make_support_nested_variables=yes
+else
+  am_cv_make_support_nested_variables=no
+fi
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $am_cv_make_support_nested_variables" >&5
+$as_echo "$am_cv_make_support_nested_variables" >&6; }
+if test $am_cv_make_support_nested_variables = yes; then
+    AM_V='$(V)'
+  AM_DEFAULT_V='$(AM_DEFAULT_VERBOSITY)'
+else
+  AM_V=$AM_DEFAULT_VERBOSITY
+  AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY
+fi
+AM_BACKSLASH='\'
+
 if test "`cd $srcdir && pwd`" != "`pwd`"; then
   # Use -I$(srcdir) only when $(srcdir) != ., so that make's output
   # is not polluted with repeated "-I."
@@ -2284,7 +2570,7 @@ fi
 
 # Define the identity of the package.
  PACKAGE='rng-tools'
- VERSION='4'
+ VERSION='5'
 
 
 cat >>confdefs.h <<_ACEOF
@@ -2312,13 +2598,24 @@ AUTOHEADER=${AUTOHEADER-"${am_missing_run}autoheader"}
 
 MAKEINFO=${MAKEINFO-"${am_missing_run}makeinfo"}
 
+# For better backward compatibility.  To be removed once Automake 1.9.x
+# dies out for good.  For more background, see:
+# <http://lists.gnu.org/archive/html/automake/2012-07/msg00001.html>
+# <http://lists.gnu.org/archive/html/automake/2012-07/msg00014.html>
+mkdir_p='$(MKDIR_P)'
+
 # We need awk for the "check" target.  The system "awk" is bad on
 # some platforms.
-# Always define AMTAR for backward compatibility.
+# Always define AMTAR for backward compatibility.  Yes, it's still used
+# in the wild :-(  We should find a proper way to deprecate it ...
+AMTAR='$${TAR-tar}'
+
 
-AMTAR=${AMTAR-"${am_missing_run}tar"}
+# We'll loop over all known methods to create a tar archive until one works.
+_am_tools='gnutar  pax cpio none'
+
+am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'
 
-am__tar='${AMTAR} chof - "$$tardir"'; am__untar='${AMTAR} xf -'
 
 
 
@@ -2328,6 +2625,17 @@ ac_config_headers="$ac_config_headers rng-tools-config.h"
 
 
 
+
+# Check whether --with-libgcrypt was given.
+if test "${with_libgcrypt+set}" = set; then :
+  withval=$with_libgcrypt;
+else
+  with_libgcrypt=check
+
+fi
+
+
+
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to enable maintainer-specific portions of Makefiles" >&5
 $as_echo_n "checking whether to enable maintainer-specific portions of Makefiles... " >&6; }
     # Check whether --enable-maintainer-mode was given.
@@ -2373,7 +2681,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_CC="${ac_tool_prefix}gcc"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -2413,7 +2721,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_ac_ct_CC="gcc"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -2466,7 +2774,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_CC="${ac_tool_prefix}cc"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -2507,7 +2815,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     if test "$as_dir/$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then
        ac_prog_rejected=yes
        continue
@@ -2565,7 +2873,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_CC="$ac_tool_prefix$ac_prog"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -2609,7 +2917,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_ac_ct_CC="$ac_prog"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -3055,8 +3363,7 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <stdarg.h>
 #include <stdio.h>
-#include <sys/types.h>
-#include <sys/stat.h>
+struct stat;
 /* Most of the following tests are stolen from RCS 5.7's src/conf.sh.  */
 struct buf { int x; };
 FILE * (*rcsopen) (struct buf *, struct stat *, int);
@@ -3159,7 +3466,7 @@ am__quote=
 _am_result=none
 # First try GNU make style include.
 echo "include confinc" > confmf
-# Ignore all kinds of additional output from `make'.
+# Ignore all kinds of additional output from 'make'.
 case `$am_make -s -f confmf 2> /dev/null` in #(
 *the\ am__doit\ target*)
   am__include=include
@@ -3192,6 +3499,7 @@ fi
 if test "x$enable_dependency_tracking" != xno; then
   am_depcomp="$ac_aux_dir/depcomp"
   AMDEPBACKSLASH='\'
+  am__nodep='_no'
 fi
  if test "x$enable_dependency_tracking" != xno; then
   AMDEP_TRUE=
@@ -3214,8 +3522,9 @@ else
   # We make a subdir and do the tests there.  Otherwise we can end up
   # making bogus files that we don't know about and never remove.  For
   # instance it was reported that on HP-UX the gcc test will end up
-  # making a dummy file named `D' -- because `-MD' means `put the output
-  # in D'.
+  # making a dummy file named 'D' -- because '-MD' means "put the output
+  # in D".
+  rm -rf conftest.dir
   mkdir conftest.dir
   # Copy depcomp to subdir because otherwise we won't find it if we're
   # using a relative directory.
@@ -3249,16 +3558,16 @@ else
     : > sub/conftest.c
     for i in 1 2 3 4 5 6; do
       echo '#include "conftst'$i'.h"' >> sub/conftest.c
-      # Using `: > sub/conftst$i.h' creates only sub/conftst1.h with
-      # Solaris 8's {/usr,}/bin/sh.
-      touch sub/conftst$i.h
+      # Using ": > sub/conftst$i.h" creates only sub/conftst1.h with
+      # Solaris 10 /bin/sh.
+      echo '/* dummy */' > sub/conftst$i.h
     done
     echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf
 
-    # We check with `-c' and `-o' for the sake of the "dashmstdout"
+    # We check with '-c' and '-o' for the sake of the "dashmstdout"
     # mode.  It turns out that the SunPro C++ compiler does not properly
-    # handle `-M -o', and we need to detect this.  Also, some Intel
-    # versions had trouble with output in subdirs
+    # handle '-M -o', and we need to detect this.  Also, some Intel
+    # versions had trouble with output in subdirs.
     am__obj=sub/conftest.${OBJEXT-o}
     am__minus_obj="-o $am__obj"
     case $depmode in
@@ -3267,16 +3576,16 @@ else
       test "$am__universal" = false || continue
       ;;
     nosideeffect)
-      # after this tag, mechanisms are not by side-effect, so they'll
-      # only be used when explicitly requested
+      # After this tag, mechanisms are not by side-effect, so they'll
+      # only be used when explicitly requested.
       if test "x$enable_dependency_tracking" = xyes; then
 	continue
       else
 	break
       fi
       ;;
-    msvisualcpp | msvcmsys)
-      # This compiler won't grok `-c -o', but also, the minuso test has
+    msvc7 | msvc7msys | msvisualcpp | msvcmsys)
+      # This compiler won't grok '-c -o', but also, the minuso test has
       # not run yet.  These depmodes are late enough in the game, and
       # so weak that their functioning should not be impacted.
       am__obj=conftest.${OBJEXT-o}
@@ -3347,7 +3656,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_RANLIB="${ac_tool_prefix}ranlib"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -3387,7 +3696,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_ac_ct_RANLIB="ranlib"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -3577,7 +3886,7 @@ do
     for ac_prog in grep ggrep; do
     for ac_exec_ext in '' $ac_executable_extensions; do
       ac_path_GREP="$as_dir/$ac_prog$ac_exec_ext"
-      { test -f "$ac_path_GREP" && $as_test_x "$ac_path_GREP"; } || continue
+      as_fn_executable_p "$ac_path_GREP" || continue
 # Check for GNU ac_path_GREP and select it if it is found.
   # Check for GNU $ac_path_GREP
 case `"$ac_path_GREP" --version 2>&1` in
@@ -3643,7 +3952,7 @@ do
     for ac_prog in egrep; do
     for ac_exec_ext in '' $ac_executable_extensions; do
       ac_path_EGREP="$as_dir/$ac_prog$ac_exec_ext"
-      { test -f "$ac_path_EGREP" && $as_test_x "$ac_path_EGREP"; } || continue
+      as_fn_executable_p "$ac_path_EGREP" || continue
 # Check for GNU ac_path_EGREP and select it if it is found.
   # Check for GNU $ac_path_EGREP
 case `"$ac_path_EGREP" --version 2>&1` in
@@ -3739,6 +4048,260 @@ fi
 
 
 
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ANSI C header files" >&5
+$as_echo_n "checking for ANSI C header files... " >&6; }
+if ${ac_cv_header_stdc+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <stdlib.h>
+#include <stdarg.h>
+#include <string.h>
+#include <float.h>
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  ac_cv_header_stdc=yes
+else
+  ac_cv_header_stdc=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+if test $ac_cv_header_stdc = yes; then
+  # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <string.h>
+
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "memchr" >/dev/null 2>&1; then :
+
+else
+  ac_cv_header_stdc=no
+fi
+rm -f conftest*
+
+fi
+
+if test $ac_cv_header_stdc = yes; then
+  # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <stdlib.h>
+
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "free" >/dev/null 2>&1; then :
+
+else
+  ac_cv_header_stdc=no
+fi
+rm -f conftest*
+
+fi
+
+if test $ac_cv_header_stdc = yes; then
+  # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi.
+  if test "$cross_compiling" = yes; then :
+  :
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <ctype.h>
+#include <stdlib.h>
+#if ((' ' & 0x0FF) == 0x020)
+# define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
+# define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
+#else
+# define ISLOWER(c) \
+		   (('a' <= (c) && (c) <= 'i') \
+		     || ('j' <= (c) && (c) <= 'r') \
+		     || ('s' <= (c) && (c) <= 'z'))
+# define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c))
+#endif
+
+#define XOR(e, f) (((e) && !(f)) || (!(e) && (f)))
+int
+main ()
+{
+  int i;
+  for (i = 0; i < 256; i++)
+    if (XOR (islower (i), ISLOWER (i))
+	|| toupper (i) != TOUPPER (i))
+      return 2;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_run "$LINENO"; then :
+
+else
+  ac_cv_header_stdc=no
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+
+fi
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_header_stdc" >&5
+$as_echo "$ac_cv_header_stdc" >&6; }
+if test $ac_cv_header_stdc = yes; then
+
+$as_echo "#define STDC_HEADERS 1" >>confdefs.h
+
+fi
+
+# On IRIX 5.3, sys/types and inttypes.h are conflicting.
+for ac_header in sys/types.h sys/stat.h stdlib.h string.h memory.h strings.h \
+		  inttypes.h stdint.h unistd.h
+do :
+  as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
+ac_fn_c_check_header_compile "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default
+"
+if eval test \"x\$"$as_ac_Header"\" = x"yes"; then :
+  cat >>confdefs.h <<_ACEOF
+#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+
+done
+
+
+if test "x$with_libgcrypt" != "xno"; then :
+
+		ac_fn_c_check_header_mongrel "$LINENO" "gcrypt.h" "ac_cv_header_gcrypt_h" "$ac_includes_default"
+if test "x$ac_cv_header_gcrypt_h" = xyes; then :
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for gcry_check_version in -lgcrypt" >&5
+$as_echo_n "checking for gcry_check_version in -lgcrypt... " >&6; }
+if ${ac_cv_lib_gcrypt_gcry_check_version+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lgcrypt  $LIBS"
+
+# ac_fn_c_try_link LINENO
+# -----------------------
+# Try to link conftest.$ac_ext, and return whether this succeeded.
+ac_fn_c_try_link ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  rm -f conftest.$ac_objext conftest$ac_exeext
+  if { { ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_link") 2>conftest.err
+  ac_status=$?
+  if test -s conftest.err; then
+    grep -v '^ *+' conftest.err >conftest.er1
+    cat conftest.er1 >&5
+    mv -f conftest.er1 conftest.err
+  fi
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 test -x conftest$ac_exeext
+       }; then :
+  ac_retval=0
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_retval=1
+fi
+  # Delete the IPA/IPO (Inter Procedural Analysis/Optimization) information
+  # created by the PGI compiler (conftest_ipa8_conftest.oo), as it would
+  # interfere with the next link command; also delete a directory that is
+  # left behind by Apple's compiler.  We do this before executing the actions.
+  rm -rf conftest.dSYM conftest_ipa8_conftest.oo
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+  as_fn_set_status $ac_retval
+
+} # ac_fn_c_try_link
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char gcry_check_version ();
+int
+main ()
+{
+return gcry_check_version ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_lib_gcrypt_gcry_check_version=yes
+else
+  ac_cv_lib_gcrypt_gcry_check_version=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_gcrypt_gcry_check_version" >&5
+$as_echo "$ac_cv_lib_gcrypt_gcry_check_version" >&6; }
+if test "x$ac_cv_lib_gcrypt_gcry_check_version" = xyes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_LIBGCRYPT 1
+_ACEOF
+
+  LIBS="-lgcrypt $LIBS"
+
+else
+
+					if test "x$with_libgcrypt" != "xcheck"; then
+						{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error $? "libgcrypt not found
+See \`config.log' for more details" "$LINENO" 5; }; else
+						{ $as_echo "$as_me:${as_lineno-$LINENO}: libgcrypt support disabled" >&5
+$as_echo "$as_me: libgcrypt support disabled" >&6;}
+					fi
+
+
+fi
+
+else
+  if test "x$with_libgcrypt" != "xcheck"; then
+				{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error $? "libgcrypt headers not found
+See \`config.log' for more details" "$LINENO" 5; }; else
+				{ $as_echo "$as_me:${as_lineno-$LINENO}: libgcrypt support disabled" >&5
+$as_echo "$as_me: libgcrypt support disabled" >&6;}
+			fi
+
+fi
+
+
+
+
+fi
+
+
 # By default we simply use the C compiler to build assembly code.
 
 test "${CCAS+set}" = set || CCAS=$CC
@@ -3757,8 +4320,9 @@ else
   # We make a subdir and do the tests there.  Otherwise we can end up
   # making bogus files that we don't know about and never remove.  For
   # instance it was reported that on HP-UX the gcc test will end up
-  # making a dummy file named `D' -- because `-MD' means `put the output
-  # in D'.
+  # making a dummy file named 'D' -- because '-MD' means "put the output
+  # in D".
+  rm -rf conftest.dir
   mkdir conftest.dir
   # Copy depcomp to subdir because otherwise we won't find it if we're
   # using a relative directory.
@@ -3790,16 +4354,16 @@ else
     : > sub/conftest.c
     for i in 1 2 3 4 5 6; do
       echo '#include "conftst'$i'.h"' >> sub/conftest.c
-      # Using `: > sub/conftst$i.h' creates only sub/conftst1.h with
-      # Solaris 8's {/usr,}/bin/sh.
-      touch sub/conftst$i.h
+      # Using ": > sub/conftst$i.h" creates only sub/conftst1.h with
+      # Solaris 10 /bin/sh.
+      echo '/* dummy */' > sub/conftst$i.h
     done
     echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf
 
-    # We check with `-c' and `-o' for the sake of the "dashmstdout"
+    # We check with '-c' and '-o' for the sake of the "dashmstdout"
     # mode.  It turns out that the SunPro C++ compiler does not properly
-    # handle `-M -o', and we need to detect this.  Also, some Intel
-    # versions had trouble with output in subdirs
+    # handle '-M -o', and we need to detect this.  Also, some Intel
+    # versions had trouble with output in subdirs.
     am__obj=sub/conftest.${OBJEXT-o}
     am__minus_obj="-o $am__obj"
     case $depmode in
@@ -3808,16 +4372,16 @@ else
       test "$am__universal" = false || continue
       ;;
     nosideeffect)
-      # after this tag, mechanisms are not by side-effect, so they'll
-      # only be used when explicitly requested
+      # After this tag, mechanisms are not by side-effect, so they'll
+      # only be used when explicitly requested.
       if test "x$enable_dependency_tracking" = xyes; then
 	continue
       else
 	break
       fi
       ;;
-    msvisualcpp | msvcmsys)
-      # This compiler won't grok `-c -o', but also, the minuso test has
+    msvc7 | msvc7msys | msvisualcpp | msvcmsys)
+      # This compiler won't grok '-c -o', but also, the minuso test has
       # not run yet.  These depmodes are late enough in the game, and
       # so weak that their functioning should not be impacted.
       am__obj=conftest.${OBJEXT-o}
@@ -3984,6 +4548,14 @@ LIBOBJS=$ac_libobjs
 LTLIBOBJS=$ac_ltlibobjs
 
 
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking that generated files are newer than configure" >&5
+$as_echo_n "checking that generated files are newer than configure... " >&6; }
+   if test -n "$am_sleep_pid"; then
+     # Hide warnings about reused PIDs.
+     wait $am_sleep_pid 2>/dev/null
+   fi
+   { $as_echo "$as_me:${as_lineno-$LINENO}: result: done" >&5
+$as_echo "done" >&6; }
  if test -n "$EXEEXT"; then
   am__EXEEXT_TRUE=
   am__EXEEXT_FALSE='#'
@@ -4306,16 +4878,16 @@ if (echo >conf$$.file) 2>/dev/null; then
     # ... but there are two gotchas:
     # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail.
     # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable.
-    # In both cases, we have to default to `cp -p'.
+    # In both cases, we have to default to `cp -pR'.
     ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe ||
-      as_ln_s='cp -p'
+      as_ln_s='cp -pR'
   elif ln conf$$.file conf$$ 2>/dev/null; then
     as_ln_s=ln
   else
-    as_ln_s='cp -p'
+    as_ln_s='cp -pR'
   fi
 else
-  as_ln_s='cp -p'
+  as_ln_s='cp -pR'
 fi
 rm -f conf$$ conf$$.exe conf$$.dir/conf$$.file conf$$.file
 rmdir conf$$.dir 2>/dev/null
@@ -4375,28 +4947,16 @@ else
   as_mkdir_p=false
 fi
 
-if test -x / >/dev/null 2>&1; then
-  as_test_x='test -x'
-else
-  if ls -dL / >/dev/null 2>&1; then
-    as_ls_L_option=L
-  else
-    as_ls_L_option=
-  fi
-  as_test_x='
-    eval sh -c '\''
-      if test -d "$1"; then
-	test -d "$1/.";
-      else
-	case $1 in #(
-	-*)set "./$1";;
-	esac;
-	case `ls -ld'$as_ls_L_option' "$1" 2>/dev/null` in #((
-	???[sx]*):;;*)false;;esac;fi
-    '\'' sh
-  '
-fi
-as_executable_p=$as_test_x
+
+# as_fn_executable_p FILE
+# -----------------------
+# Test if FILE is an executable regular file.
+as_fn_executable_p ()
+{
+  test -f "$1" && test -x "$1"
+} # as_fn_executable_p
+as_test_x='test -x'
+as_executable_p=as_fn_executable_p
 
 # Sed expression to map a string onto a valid CPP name.
 as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'"
@@ -4417,8 +4977,8 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by rng-tools $as_me 4, which was
-generated by GNU Autoconf 2.68.  Invocation command line was
+This file was extended by rng-tools $as_me 5, which was
+generated by GNU Autoconf 2.69.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
   CONFIG_HEADERS  = $CONFIG_HEADERS
@@ -4483,11 +5043,11 @@ _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
 ac_cs_version="\\
-rng-tools config.status 4
-configured by $0, generated by GNU Autoconf 2.68,
+rng-tools config.status 5
+configured by $0, generated by GNU Autoconf 2.69,
   with options \\"\$ac_cs_config\\"
 
-Copyright (C) 2010 Free Software Foundation, Inc.
+Copyright (C) 2012 Free Software Foundation, Inc.
 This config.status script is free software; the Free Software Foundation
 gives unlimited permission to copy, distribute and modify it."
 
@@ -4578,7 +5138,7 @@ fi
 _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 if \$ac_cs_recheck; then
-  set X '$SHELL' '$0' $ac_configure_args \$ac_configure_extra_args --no-create --no-recursion
+  set X $SHELL '$0' $ac_configure_args \$ac_configure_extra_args --no-create --no-recursion
   shift
   \$as_echo "running CONFIG_SHELL=$SHELL \$*" >&6
   CONFIG_SHELL='$SHELL'
@@ -5214,7 +5774,7 @@ $as_echo "$as_me: executing $ac_file commands" >&6;}
 
   case $ac_file$ac_mode in
     "depfiles":C) test x"$AMDEP_TRUE" != x"" || {
-  # Autoconf 2.62 quotes --file arguments for eval, but not when files
+  # Older Autoconf quotes --file arguments for eval, but not when files
   # are listed without --file.  Let's play safe and only enable the eval
   # if we detect the quoting.
   case $CONFIG_FILES in
@@ -5227,7 +5787,7 @@ $as_echo "$as_me: executing $ac_file commands" >&6;}
     # Strip MF so we end up with the name of the file.
     mf=`echo "$mf" | sed -e 's/:.*$//'`
     # Check whether this is an Automake generated Makefile or not.
-    # We used to match only the files named `Makefile.in', but
+    # We used to match only the files named 'Makefile.in', but
     # some people rename them; so instead we look at the file content.
     # Grep'ing the first line is not enough: some people post-process
     # each Makefile.in and add a new line on top of each file to say so.
@@ -5261,21 +5821,19 @@ $as_echo X"$mf" |
       continue
     fi
     # Extract the definition of DEPDIR, am__include, and am__quote
-    # from the Makefile without running `make'.
+    # from the Makefile without running 'make'.
     DEPDIR=`sed -n 's/^DEPDIR = //p' < "$mf"`
     test -z "$DEPDIR" && continue
     am__include=`sed -n 's/^am__include = //p' < "$mf"`
-    test -z "am__include" && continue
+    test -z "$am__include" && continue
     am__quote=`sed -n 's/^am__quote = //p' < "$mf"`
-    # When using ansi2knr, U may be empty or an underscore; expand it
-    U=`sed -n 's/^U = //p' < "$mf"`
     # Find all dependency output files, they are included files with
     # $(DEPDIR) in their names.  We invoke sed twice because it is the
     # simplest approach to changing $(DEPDIR) to its actual value in the
     # expansion.
     for file in `sed -n "
       s/^$am__include $am__quote\(.*(DEPDIR).*\)$am__quote"'$/\1/p' <"$mf" | \
-	 sed -e 's/\$(DEPDIR)/'"$DEPDIR"'/g' -e 's/\$U/'"$U"'/g'`; do
+	 sed -e 's/\$(DEPDIR)/'"$DEPDIR"'/g'`; do
       # Make sure the directory exists.
       test -f "$dirpart/$file" && continue
       fdir=`$as_dirname -- "$file" ||
diff --git a/configure.ac b/configure.ac
index cd38628..27a2dba 100644
--- a/configure.ac
+++ b/configure.ac
@@ -15,14 +15,23 @@ dnl GNU General Public License for more details.
 dnl
 dnl You should have received a copy of the GNU General Public License
 dnl along with this program; if not, write to the Free Software
-dnl Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+dnl Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA  02110-1335  USA
 
-AC_INIT(rng-tools, 4, [Jeff Garzik <jgarzik@pobox.com>])
+AC_INIT(rng-tools, 5, [Jeff Garzik <jgarzik@pobox.com>])
 AC_PREREQ(2.52)
 AC_CONFIG_SRCDIR([rngd.c])
 AM_INIT_AUTOMAKE([gnu])
 AC_CONFIG_HEADERS([rng-tools-config.h])
 
+dnl Parse options
+
+AC_ARG_WITH([libgcrypt],
+	AS_HELP_STRING([--without-libgcrypt],
+		[Disable libgcrypt support. Systems that support RDRAND but not AES-NI will require libgcrypt in order to use RDRAND as an entropy source. (Default: --with-libgcrypt)]),
+	[],
+	[with_libgcrypt=check]
+)
+
 dnl Make sure anyone changing configure.ac/Makefile.am has a clue
 AM_MAINTAINER_MODE
 
@@ -47,6 +56,32 @@ dnl -------------------------------------
 dnl Checks for optional library functions
 dnl -------------------------------------
 
+dnl -------------------------------------
+dnl Check for libgcrypt support
+dnl -------------------------------------
+
+AS_IF(
+	[test "x$with_libgcrypt" != "xno"],
+	[
+		AC_CHECK_HEADER([gcrypt.h],
+			AC_CHECK_LIB(
+				[gcrypt],
+				[gcry_check_version], ,
+				[
+					if test "x$with_libgcrypt" != "xcheck"; then
+						AC_MSG_FAILURE([libgcrypt not found]); else
+						AC_MSG_NOTICE([libgcrypt support disabled])
+					fi
+				]
+			),
+			[if test "x$with_libgcrypt" != "xcheck"; then
+				AC_MSG_FAILURE([libgcrypt headers not found]); else
+				AC_MSG_NOTICE([libgcrypt support disabled])
+			fi]
+		)
+	]
+)
+
 dnl -----------------
 dnl Configure options
 dnl -----------------
diff --git a/contrib/Makefile.in b/contrib/Makefile.in
index b12173d..2327ff5 100644
--- a/contrib/Makefile.in
+++ b/contrib/Makefile.in
@@ -1,9 +1,8 @@
-# Makefile.in generated by automake 1.11.1 from Makefile.am.
+# Makefile.in generated by automake 1.13.3 from Makefile.am.
 # @configure_input@
 
-# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
-# 2003, 2004, 2005, 2006, 2007, 2008, 2009  Free Software Foundation,
-# Inc.
+# Copyright (C) 1994-2013 Free Software Foundation, Inc.
+
 # This Makefile.in is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
@@ -15,6 +14,51 @@
 
 @SET_MAKE@
 VPATH = @srcdir@
+am__is_gnu_make = test -n '$(MAKEFILE_LIST)' && test -n '$(MAKELEVEL)'
+am__make_running_with_option = \
+  case $${target_option-} in \
+      ?) ;; \
+      *) echo "am__make_running_with_option: internal error: invalid" \
+              "target option '$${target_option-}' specified" >&2; \
+         exit 1;; \
+  esac; \
+  has_opt=no; \
+  sane_makeflags=$$MAKEFLAGS; \
+  if $(am__is_gnu_make); then \
+    sane_makeflags=$$MFLAGS; \
+  else \
+    case $$MAKEFLAGS in \
+      *\\[\ \	]*) \
+        bs=\\; \
+        sane_makeflags=`printf '%s\n' "$$MAKEFLAGS" \
+          | sed "s/$$bs$$bs[$$bs $$bs	]*//g"`;; \
+    esac; \
+  fi; \
+  skip_next=no; \
+  strip_trailopt () \
+  { \
+    flg=`printf '%s\n' "$$flg" | sed "s/$$1.*$$//"`; \
+  }; \
+  for flg in $$sane_makeflags; do \
+    test $$skip_next = yes && { skip_next=no; continue; }; \
+    case $$flg in \
+      *=*|--*) continue;; \
+        -*I) strip_trailopt 'I'; skip_next=yes;; \
+      -*I?*) strip_trailopt 'I';; \
+        -*O) strip_trailopt 'O'; skip_next=yes;; \
+      -*O?*) strip_trailopt 'O';; \
+        -*l) strip_trailopt 'l'; skip_next=yes;; \
+      -*l?*) strip_trailopt 'l';; \
+      -[dEDm]) skip_next=yes;; \
+      -[JT]) skip_next=yes;; \
+    esac; \
+    case $$flg in \
+      *$$target_option*) has_opt=yes; break;; \
+    esac; \
+  done; \
+  test $$has_opt = yes
+am__make_dryrun = (target_option=n; $(am__make_running_with_option))
+am__make_keepgoing = (target_option=k; $(am__make_running_with_option))
 pkgdatadir = $(datadir)/@PACKAGE@
 pkgincludedir = $(includedir)/@PACKAGE@
 pkglibdir = $(libdir)/@PACKAGE@
@@ -32,7 +76,7 @@ NORMAL_UNINSTALL = :
 PRE_UNINSTALL = :
 POST_UNINSTALL = :
 subdir = contrib
-DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in
+DIST_COMMON = $(srcdir)/Makefile.in $(srcdir)/Makefile.am
 ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
 am__aclocal_m4_deps = $(top_srcdir)/configure.ac
 am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
@@ -41,11 +85,30 @@ mkinstalldirs = $(install_sh) -d
 CONFIG_HEADER = $(top_builddir)/rng-tools-config.h
 CONFIG_CLEAN_FILES =
 CONFIG_CLEAN_VPATH_FILES =
+AM_V_P = $(am__v_P_@AM_V@)
+am__v_P_ = $(am__v_P_@AM_DEFAULT_V@)
+am__v_P_0 = false
+am__v_P_1 = :
+AM_V_GEN = $(am__v_GEN_@AM_V@)
+am__v_GEN_ = $(am__v_GEN_@AM_DEFAULT_V@)
+am__v_GEN_0 = @echo "  GEN     " $@;
+am__v_GEN_1 = 
+AM_V_at = $(am__v_at_@AM_V@)
+am__v_at_ = $(am__v_at_@AM_DEFAULT_V@)
+am__v_at_0 = @
+am__v_at_1 = 
 SOURCES =
 DIST_SOURCES =
+am__can_run_installinfo = \
+  case $$AM_UPDATE_INFO_DIR in \
+    n|no|NO) false;; \
+    *) (install-info --version) >/dev/null 2>&1;; \
+  esac
+am__tagged_files = $(HEADERS) $(SOURCES) $(TAGS_FILES) $(LISP)
 DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
 ACLOCAL = @ACLOCAL@
 AMTAR = @AMTAR@
+AM_DEFAULT_VERBOSITY = @AM_DEFAULT_VERBOSITY@
 AUTOCONF = @AUTOCONF@
 AUTOHEADER = @AUTOHEADER@
 AUTOMAKE = @AUTOMAKE@
@@ -169,11 +232,11 @@ $(top_srcdir)/configure: @MAINTAINER_MODE_TRUE@ $(am__configure_deps)
 $(ACLOCAL_M4): @MAINTAINER_MODE_TRUE@ $(am__aclocal_m4_deps)
 	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
 $(am__aclocal_m4_deps):
-tags: TAGS
-TAGS:
+tags TAGS:
+
+ctags CTAGS:
 
-ctags: CTAGS
-CTAGS:
+cscope cscopelist:
 
 
 distdir: $(DISTFILES)
@@ -220,10 +283,15 @@ install-am: all-am
 
 installcheck: installcheck-am
 install-strip:
-	$(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
-	  install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
-	  `test -z '$(STRIP)' || \
-	    echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
+	if test -z '$(STRIP)'; then \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
 mostlyclean-generic:
 
 clean-generic:
@@ -303,15 +371,16 @@ uninstall-am:
 
 .MAKE: install-am install-strip
 
-.PHONY: all all-am check check-am clean clean-generic distclean \
-	distclean-generic distdir dvi dvi-am html html-am info info-am \
-	install install-am install-data install-data-am install-dvi \
-	install-dvi-am install-exec install-exec-am install-html \
-	install-html-am install-info install-info-am install-man \
-	install-pdf install-pdf-am install-ps install-ps-am \
-	install-strip installcheck installcheck-am installdirs \
-	maintainer-clean maintainer-clean-generic mostlyclean \
-	mostlyclean-generic pdf pdf-am ps ps-am uninstall uninstall-am
+.PHONY: all all-am check check-am clean clean-generic cscopelist-am \
+	ctags-am distclean distclean-generic distdir dvi dvi-am html \
+	html-am info info-am install install-am install-data \
+	install-data-am install-dvi install-dvi-am install-exec \
+	install-exec-am install-html install-html-am install-info \
+	install-info-am install-man install-pdf install-pdf-am \
+	install-ps install-ps-am install-strip installcheck \
+	installcheck-am installdirs maintainer-clean \
+	maintainer-clean-generic mostlyclean mostlyclean-generic pdf \
+	pdf-am ps ps-am tags-am uninstall uninstall-am
 
 
 # Tell versions [3.59,3.63) of GNU make to not export all variables.
diff --git a/depcomp b/depcomp
index df8eea7..4ebd5b3 100755
--- a/depcomp
+++ b/depcomp
@@ -1,10 +1,9 @@
 #! /bin/sh
 # depcomp - compile a program generating dependencies as side-effects
 
-scriptversion=2009-04-28.21; # UTC
+scriptversion=2013-05-30.07; # UTC
 
-# Copyright (C) 1999, 2000, 2003, 2004, 2005, 2006, 2007, 2009 Free
-# Software Foundation, Inc.
+# Copyright (C) 1999-2013 Free Software Foundation, Inc.
 
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -28,9 +27,9 @@ scriptversion=2009-04-28.21; # UTC
 
 case $1 in
   '')
-     echo "$0: No command.  Try \`$0 --help' for more information." 1>&2
-     exit 1;
-     ;;
+    echo "$0: No command.  Try '$0 --help' for more information." 1>&2
+    exit 1;
+    ;;
   -h | --h*)
     cat <<\EOF
 Usage: depcomp [--help] [--version] PROGRAM [ARGS]
@@ -40,11 +39,11 @@ as side-effects.
 
 Environment variables:
   depmode     Dependency tracking mode.
-  source      Source file read by `PROGRAMS ARGS'.
-  object      Object file output by `PROGRAMS ARGS'.
+  source      Source file read by 'PROGRAMS ARGS'.
+  object      Object file output by 'PROGRAMS ARGS'.
   DEPDIR      directory where to store dependencies.
   depfile     Dependency file to output.
-  tmpdepfile  Temporary file to use when outputing dependencies.
+  tmpdepfile  Temporary file to use when outputting dependencies.
   libtool     Whether libtool is used (yes/no).
 
 Report bugs to <bug-automake@gnu.org>.
@@ -57,6 +56,66 @@ EOF
     ;;
 esac
 
+# Get the directory component of the given path, and save it in the
+# global variables '$dir'.  Note that this directory component will
+# be either empty or ending with a '/' character.  This is deliberate.
+set_dir_from ()
+{
+  case $1 in
+    */*) dir=`echo "$1" | sed -e 's|/[^/]*$|/|'`;;
+      *) dir=;;
+  esac
+}
+
+# Get the suffix-stripped basename of the given path, and save it the
+# global variable '$base'.
+set_base_from ()
+{
+  base=`echo "$1" | sed -e 's|^.*/||' -e 's/\.[^.]*$//'`
+}
+
+# If no dependency file was actually created by the compiler invocation,
+# we still have to create a dummy depfile, to avoid errors with the
+# Makefile "include basename.Plo" scheme.
+make_dummy_depfile ()
+{
+  echo "#dummy" > "$depfile"
+}
+
+# Factor out some common post-processing of the generated depfile.
+# Requires the auxiliary global variable '$tmpdepfile' to be set.
+aix_post_process_depfile ()
+{
+  # If the compiler actually managed to produce a dependency file,
+  # post-process it.
+  if test -f "$tmpdepfile"; then
+    # Each line is of the form 'foo.o: dependency.h'.
+    # Do two passes, one to just change these to
+    #   $object: dependency.h
+    # and one to simply output
+    #   dependency.h:
+    # which is needed to avoid the deleted-header problem.
+    { sed -e "s,^.*\.[$lower]*:,$object:," < "$tmpdepfile"
+      sed -e "s,^.*\.[$lower]*:[$tab ]*,," -e 's,$,:,' < "$tmpdepfile"
+    } > "$depfile"
+    rm -f "$tmpdepfile"
+  else
+    make_dummy_depfile
+  fi
+}
+
+# A tabulation character.
+tab='	'
+# A newline character.
+nl='
+'
+# Character ranges might be problematic outside the C locale.
+# These definitions help.
+upper=ABCDEFGHIJKLMNOPQRSTUVWXYZ
+lower=abcdefghijklmnopqrstuvwxyz
+digits=0123456789
+alpha=${upper}${lower}
+
 if test -z "$depmode" || test -z "$source" || test -z "$object"; then
   echo "depcomp: Variables source, object and depmode must be set" 1>&2
   exit 1
@@ -69,6 +128,9 @@ tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`}
 
 rm -f "$tmpdepfile"
 
+# Avoid interferences from the environment.
+gccflag= dashmflag=
+
 # Some modes work just like other modes, but use different flags.  We
 # parameterize here, but still list the modes in the big case below,
 # to make depend.m4 easier to write.  Note that we *cannot* use a case
@@ -80,18 +142,32 @@ if test "$depmode" = hp; then
 fi
 
 if test "$depmode" = dashXmstdout; then
-   # This is just like dashmstdout with a different argument.
-   dashmflag=-xM
-   depmode=dashmstdout
+  # This is just like dashmstdout with a different argument.
+  dashmflag=-xM
+  depmode=dashmstdout
 fi
 
 cygpath_u="cygpath -u -f -"
 if test "$depmode" = msvcmsys; then
-   # This is just like msvisualcpp but w/o cygpath translation.
-   # Just convert the backslash-escaped backslashes to single forward
-   # slashes to satisfy depend.m4
-   cygpath_u="sed s,\\\\\\\\,/,g"
-   depmode=msvisualcpp
+  # This is just like msvisualcpp but w/o cygpath translation.
+  # Just convert the backslash-escaped backslashes to single forward
+  # slashes to satisfy depend.m4
+  cygpath_u='sed s,\\\\,/,g'
+  depmode=msvisualcpp
+fi
+
+if test "$depmode" = msvc7msys; then
+  # This is just like msvc7 but w/o cygpath translation.
+  # Just convert the backslash-escaped backslashes to single forward
+  # slashes to satisfy depend.m4
+  cygpath_u='sed s,\\\\,/,g'
+  depmode=msvc7
+fi
+
+if test "$depmode" = xlc; then
+  # IBM C/C++ Compilers xlc/xlC can output gcc-like dependency information.
+  gccflag=-qmakedep=gcc,-MF
+  depmode=gcc
 fi
 
 case "$depmode" in
@@ -114,8 +190,7 @@ gcc3)
   done
   "$@"
   stat=$?
-  if test $stat -eq 0; then :
-  else
+  if test $stat -ne 0; then
     rm -f "$tmpdepfile"
     exit $stat
   fi
@@ -123,13 +198,17 @@ gcc3)
   ;;
 
 gcc)
+## Note that this doesn't just cater to obsosete pre-3.x GCC compilers.
+## but also to in-use compilers like IMB xlc/xlC and the HP C compiler.
+## (see the conditional assignment to $gccflag above).
 ## There are various ways to get dependency output from gcc.  Here's
 ## why we pick this rather obscure method:
 ## - Don't want to use -MD because we'd like the dependencies to end
 ##   up in a subdir.  Having to rename by hand is ugly.
 ##   (We might end up doing this anyway to support other compilers.)
 ## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like
-##   -MM, not -M (despite what the docs say).
+##   -MM, not -M (despite what the docs say).  Also, it might not be
+##   supported by the other compilers which use the 'gcc' depmode.
 ## - Using -M directly means running the compiler twice (even worse
 ##   than renaming).
   if test -z "$gccflag"; then
@@ -137,31 +216,31 @@ gcc)
   fi
   "$@" -Wp,"$gccflag$tmpdepfile"
   stat=$?
-  if test $stat -eq 0; then :
-  else
+  if test $stat -ne 0; then
     rm -f "$tmpdepfile"
     exit $stat
   fi
   rm -f "$depfile"
   echo "$object : \\" > "$depfile"
-  alpha=ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz
-## The second -e expression handles DOS-style file names with drive letters.
+  # The second -e expression handles DOS-style file names with drive
+  # letters.
   sed -e 's/^[^:]*: / /' \
       -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile"
-## This next piece of magic avoids the `deleted header file' problem.
+## This next piece of magic avoids the "deleted header file" problem.
 ## The problem is that when a header file which appears in a .P file
 ## is deleted, the dependency causes make to die (because there is
 ## typically no way to rebuild the header).  We avoid this by adding
 ## dummy dependencies for each header file.  Too bad gcc doesn't do
 ## this for us directly.
-  tr ' ' '
-' < "$tmpdepfile" |
-## Some versions of gcc put a space before the `:'.  On the theory
+## Some versions of gcc put a space before the ':'.  On the theory
 ## that the space means something, we add a space to the output as
-## well.
+## well.  hp depmode also adds that space, but also prefixes the VPATH
+## to the object.  Take care to not repeat it in the output.
 ## Some versions of the HPUX 10.20 sed can't process this invocation
 ## correctly.  Breaking it into two sed invocations is a workaround.
-    sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
+  tr ' ' "$nl" < "$tmpdepfile" \
+    | sed -e 's/^\\$//' -e '/^$/d' -e "s|.*$object$||" -e '/:$/d' \
+    | sed -e 's/$/ :/' >> "$depfile"
   rm -f "$tmpdepfile"
   ;;
 
@@ -179,8 +258,7 @@ sgi)
     "$@" -MDupdate "$tmpdepfile"
   fi
   stat=$?
-  if test $stat -eq 0; then :
-  else
+  if test $stat -ne 0; then
     rm -f "$tmpdepfile"
     exit $stat
   fi
@@ -188,43 +266,41 @@ sgi)
 
   if test -f "$tmpdepfile"; then  # yes, the sourcefile depend on other files
     echo "$object : \\" > "$depfile"
-
     # Clip off the initial element (the dependent).  Don't try to be
     # clever and replace this with sed code, as IRIX sed won't handle
     # lines with more than a fixed number of characters (4096 in
     # IRIX 6.2 sed, 8192 in IRIX 6.5).  We also remove comment lines;
-    # the IRIX cc adds comments like `#:fec' to the end of the
+    # the IRIX cc adds comments like '#:fec' to the end of the
     # dependency line.
-    tr ' ' '
-' < "$tmpdepfile" \
-    | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' | \
-    tr '
-' ' ' >> "$depfile"
+    tr ' ' "$nl" < "$tmpdepfile" \
+      | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' \
+      | tr "$nl" ' ' >> "$depfile"
     echo >> "$depfile"
-
     # The second pass generates a dummy entry for each header file.
-    tr ' ' '
-' < "$tmpdepfile" \
-   | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \
-   >> "$depfile"
+    tr ' ' "$nl" < "$tmpdepfile" \
+      | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \
+      >> "$depfile"
   else
-    # The sourcefile does not contain any dependencies, so just
-    # store a dummy comment line, to avoid errors with the Makefile
-    # "include basename.Plo" scheme.
-    echo "#dummy" > "$depfile"
+    make_dummy_depfile
   fi
   rm -f "$tmpdepfile"
   ;;
 
+xlc)
+  # This case exists only to let depend.m4 do its work.  It works by
+  # looking at the text of this script.  This case will never be run,
+  # since it is checked for above.
+  exit 1
+  ;;
+
 aix)
   # The C for AIX Compiler uses -M and outputs the dependencies
   # in a .u file.  In older versions, this file always lives in the
-  # current directory.  Also, the AIX compiler puts `$object:' at the
+  # current directory.  Also, the AIX compiler puts '$object:' at the
   # start of each line; $object doesn't have directory information.
   # Version 6 uses the directory in both cases.
-  dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
-  test "x$dir" = "x$object" && dir=
-  base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'`
+  set_dir_from "$object"
+  set_base_from "$object"
   if test "$libtool" = yes; then
     tmpdepfile1=$dir$base.u
     tmpdepfile2=$base.u
@@ -237,9 +313,7 @@ aix)
     "$@" -M
   fi
   stat=$?
-
-  if test $stat -eq 0; then :
-  else
+  if test $stat -ne 0; then
     rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
     exit $stat
   fi
@@ -248,44 +322,100 @@ aix)
   do
     test -f "$tmpdepfile" && break
   done
-  if test -f "$tmpdepfile"; then
-    # Each line is of the form `foo.o: dependent.h'.
-    # Do two passes, one to just change these to
-    # `$object: dependent.h' and one to simply `dependent.h:'.
-    sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile"
-    # That's a tab and a space in the [].
-    sed -e 's,^.*\.[a-z]*:[	 ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile"
-  else
-    # The sourcefile does not contain any dependencies, so just
-    # store a dummy comment line, to avoid errors with the Makefile
-    # "include basename.Plo" scheme.
-    echo "#dummy" > "$depfile"
+  aix_post_process_depfile
+  ;;
+
+tcc)
+  # tcc (Tiny C Compiler) understand '-MD -MF file' since version 0.9.26
+  # FIXME: That version still under development at the moment of writing.
+  #        Make that this statement remains true also for stable, released
+  #        versions.
+  # It will wrap lines (doesn't matter whether long or short) with a
+  # trailing '\', as in:
+  #
+  #   foo.o : \
+  #    foo.c \
+  #    foo.h \
+  #
+  # It will put a trailing '\' even on the last line, and will use leading
+  # spaces rather than leading tabs (at least since its commit 0394caf7
+  # "Emit spaces for -MD").
+  "$@" -MD -MF "$tmpdepfile"
+  stat=$?
+  if test $stat -ne 0; then
+    rm -f "$tmpdepfile"
+    exit $stat
   fi
+  rm -f "$depfile"
+  # Each non-empty line is of the form 'foo.o : \' or ' dep.h \'.
+  # We have to change lines of the first kind to '$object: \'.
+  sed -e "s|.*:|$object :|" < "$tmpdepfile" > "$depfile"
+  # And for each line of the second kind, we have to emit a 'dep.h:'
+  # dummy dependency, to avoid the deleted-header problem.
+  sed -n -e 's|^  *\(.*\) *\\$|\1:|p' < "$tmpdepfile" >> "$depfile"
   rm -f "$tmpdepfile"
   ;;
 
-icc)
-  # Intel's C compiler understands `-MD -MF file'.  However on
-  #    icc -MD -MF foo.d -c -o sub/foo.o sub/foo.c
-  # ICC 7.0 will fill foo.d with something like
-  #    foo.o: sub/foo.c
-  #    foo.o: sub/foo.h
-  # which is wrong.  We want:
-  #    sub/foo.o: sub/foo.c
-  #    sub/foo.o: sub/foo.h
-  #    sub/foo.c:
-  #    sub/foo.h:
-  # ICC 7.1 will output
+## The order of this option in the case statement is important, since the
+## shell code in configure will try each of these formats in the order
+## listed in this file.  A plain '-MD' option would be understood by many
+## compilers, so we must ensure this comes after the gcc and icc options.
+pgcc)
+  # Portland's C compiler understands '-MD'.
+  # Will always output deps to 'file.d' where file is the root name of the
+  # source file under compilation, even if file resides in a subdirectory.
+  # The object file name does not affect the name of the '.d' file.
+  # pgcc 10.2 will output
   #    foo.o: sub/foo.c sub/foo.h
-  # and will wrap long lines using \ :
+  # and will wrap long lines using '\' :
   #    foo.o: sub/foo.c ... \
   #     sub/foo.h ... \
   #     ...
+  set_dir_from "$object"
+  # Use the source, not the object, to determine the base name, since
+  # that's sadly what pgcc will do too.
+  set_base_from "$source"
+  tmpdepfile=$base.d
+
+  # For projects that build the same source file twice into different object
+  # files, the pgcc approach of using the *source* file root name can cause
+  # problems in parallel builds.  Use a locking strategy to avoid stomping on
+  # the same $tmpdepfile.
+  lockdir=$base.d-lock
+  trap "
+    echo '$0: caught signal, cleaning up...' >&2
+    rmdir '$lockdir'
+    exit 1
+  " 1 2 13 15
+  numtries=100
+  i=$numtries
+  while test $i -gt 0; do
+    # mkdir is a portable test-and-set.
+    if mkdir "$lockdir" 2>/dev/null; then
+      # This process acquired the lock.
+      "$@" -MD
+      stat=$?
+      # Release the lock.
+      rmdir "$lockdir"
+      break
+    else
+      # If the lock is being held by a different process, wait
+      # until the winning process is done or we timeout.
+      while test -d "$lockdir" && test $i -gt 0; do
+        sleep 1
+        i=`expr $i - 1`
+      done
+    fi
+    i=`expr $i - 1`
+  done
+  trap - 1 2 13 15
+  if test $i -le 0; then
+    echo "$0: failed to acquire lock after $numtries attempts" >&2
+    echo "$0: check lockdir '$lockdir'" >&2
+    exit 1
+  fi
 
-  "$@" -MD -MF "$tmpdepfile"
-  stat=$?
-  if test $stat -eq 0; then :
-  else
+  if test $stat -ne 0; then
     rm -f "$tmpdepfile"
     exit $stat
   fi
@@ -297,8 +427,8 @@ icc)
   sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile"
   # Some versions of the HPUX 10.20 sed can't process this invocation
   # correctly.  Breaking it into two sed invocations is a workaround.
-  sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" |
-    sed -e 's/$/ :/' >> "$depfile"
+  sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" \
+    | sed -e 's/$/ :/' >> "$depfile"
   rm -f "$tmpdepfile"
   ;;
 
@@ -309,9 +439,8 @@ hp2)
   # 'foo.d', which lands next to the object file, wherever that
   # happens to be.
   # Much of this is similar to the tru64 case; see comments there.
-  dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
-  test "x$dir" = "x$object" && dir=
-  base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'`
+  set_dir_from  "$object"
+  set_base_from "$object"
   if test "$libtool" = yes; then
     tmpdepfile1=$dir$base.d
     tmpdepfile2=$dir.libs/$base.d
@@ -322,8 +451,7 @@ hp2)
     "$@" +Maked
   fi
   stat=$?
-  if test $stat -eq 0; then :
-  else
+  if test $stat -ne 0; then
      rm -f "$tmpdepfile1" "$tmpdepfile2"
      exit $stat
   fi
@@ -333,77 +461,107 @@ hp2)
     test -f "$tmpdepfile" && break
   done
   if test -f "$tmpdepfile"; then
-    sed -e "s,^.*\.[a-z]*:,$object:," "$tmpdepfile" > "$depfile"
-    # Add `dependent.h:' lines.
+    sed -e "s,^.*\.[$lower]*:,$object:," "$tmpdepfile" > "$depfile"
+    # Add 'dependent.h:' lines.
     sed -ne '2,${
-	       s/^ *//
-	       s/ \\*$//
-	       s/$/:/
-	       p
-	     }' "$tmpdepfile" >> "$depfile"
+               s/^ *//
+               s/ \\*$//
+               s/$/:/
+               p
+             }' "$tmpdepfile" >> "$depfile"
   else
-    echo "#dummy" > "$depfile"
+    make_dummy_depfile
   fi
   rm -f "$tmpdepfile" "$tmpdepfile2"
   ;;
 
 tru64)
-   # The Tru64 compiler uses -MD to generate dependencies as a side
-   # effect.  `cc -MD -o foo.o ...' puts the dependencies into `foo.o.d'.
-   # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put
-   # dependencies in `foo.d' instead, so we check for that too.
-   # Subdirectories are respected.
-   dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
-   test "x$dir" = "x$object" && dir=
-   base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'`
-
-   if test "$libtool" = yes; then
-      # With Tru64 cc, shared objects can also be used to make a
-      # static library.  This mechanism is used in libtool 1.4 series to
-      # handle both shared and static libraries in a single compilation.
-      # With libtool 1.4, dependencies were output in $dir.libs/$base.lo.d.
-      #
-      # With libtool 1.5 this exception was removed, and libtool now
-      # generates 2 separate objects for the 2 libraries.  These two
-      # compilations output dependencies in $dir.libs/$base.o.d and
-      # in $dir$base.o.d.  We have to check for both files, because
-      # one of the two compilations can be disabled.  We should prefer
-      # $dir$base.o.d over $dir.libs/$base.o.d because the latter is
-      # automatically cleaned when .libs/ is deleted, while ignoring
-      # the former would cause a distcleancheck panic.
-      tmpdepfile1=$dir.libs/$base.lo.d   # libtool 1.4
-      tmpdepfile2=$dir$base.o.d          # libtool 1.5
-      tmpdepfile3=$dir.libs/$base.o.d    # libtool 1.5
-      tmpdepfile4=$dir.libs/$base.d      # Compaq CCC V6.2-504
-      "$@" -Wc,-MD
-   else
-      tmpdepfile1=$dir$base.o.d
-      tmpdepfile2=$dir$base.d
-      tmpdepfile3=$dir$base.d
-      tmpdepfile4=$dir$base.d
-      "$@" -MD
-   fi
-
-   stat=$?
-   if test $stat -eq 0; then :
-   else
-      rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4"
-      exit $stat
-   fi
-
-   for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4"
-   do
-     test -f "$tmpdepfile" && break
-   done
-   if test -f "$tmpdepfile"; then
-      sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile"
-      # That's a tab and a space in the [].
-      sed -e 's,^.*\.[a-z]*:[	 ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile"
-   else
-      echo "#dummy" > "$depfile"
-   fi
-   rm -f "$tmpdepfile"
-   ;;
+  # The Tru64 compiler uses -MD to generate dependencies as a side
+  # effect.  'cc -MD -o foo.o ...' puts the dependencies into 'foo.o.d'.
+  # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put
+  # dependencies in 'foo.d' instead, so we check for that too.
+  # Subdirectories are respected.
+  set_dir_from  "$object"
+  set_base_from "$object"
+
+  if test "$libtool" = yes; then
+    # Libtool generates 2 separate objects for the 2 libraries.  These
+    # two compilations output dependencies in $dir.libs/$base.o.d and
+    # in $dir$base.o.d.  We have to check for both files, because
+    # one of the two compilations can be disabled.  We should prefer
+    # $dir$base.o.d over $dir.libs/$base.o.d because the latter is
+    # automatically cleaned when .libs/ is deleted, while ignoring
+    # the former would cause a distcleancheck panic.
+    tmpdepfile1=$dir$base.o.d          # libtool 1.5
+    tmpdepfile2=$dir.libs/$base.o.d    # Likewise.
+    tmpdepfile3=$dir.libs/$base.d      # Compaq CCC V6.2-504
+    "$@" -Wc,-MD
+  else
+    tmpdepfile1=$dir$base.d
+    tmpdepfile2=$dir$base.d
+    tmpdepfile3=$dir$base.d
+    "$@" -MD
+  fi
+
+  stat=$?
+  if test $stat -ne 0; then
+    rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
+    exit $stat
+  fi
+
+  for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
+  do
+    test -f "$tmpdepfile" && break
+  done
+  # Same post-processing that is required for AIX mode.
+  aix_post_process_depfile
+  ;;
+
+msvc7)
+  if test "$libtool" = yes; then
+    showIncludes=-Wc,-showIncludes
+  else
+    showIncludes=-showIncludes
+  fi
+  "$@" $showIncludes > "$tmpdepfile"
+  stat=$?
+  grep -v '^Note: including file: ' "$tmpdepfile"
+  if test $stat -ne 0; then
+    rm -f "$tmpdepfile"
+    exit $stat
+  fi
+  rm -f "$depfile"
+  echo "$object : \\" > "$depfile"
+  # The first sed program below extracts the file names and escapes
+  # backslashes for cygpath.  The second sed program outputs the file
+  # name when reading, but also accumulates all include files in the
+  # hold buffer in order to output them again at the end.  This only
+  # works with sed implementations that can handle large buffers.
+  sed < "$tmpdepfile" -n '
+/^Note: including file:  *\(.*\)/ {
+  s//\1/
+  s/\\/\\\\/g
+  p
+}' | $cygpath_u | sort -u | sed -n '
+s/ /\\ /g
+s/\(.*\)/'"$tab"'\1 \\/p
+s/.\(.*\) \\/\1:/
+H
+$ {
+  s/.*/'"$tab"'/
+  G
+  p
+}' >> "$depfile"
+  echo >> "$depfile" # make sure the fragment doesn't end with a backslash
+  rm -f "$tmpdepfile"
+  ;;
+
+msvc7msys)
+  # This case exists only to let depend.m4 do its work.  It works by
+  # looking at the text of this script.  This case will never be run,
+  # since it is checked for above.
+  exit 1
+  ;;
 
 #nosideeffect)
   # This comment above is used by automake to tell side-effect
@@ -422,7 +580,7 @@ dashmstdout)
     shift
   fi
 
-  # Remove `-o $object'.
+  # Remove '-o $object'.
   IFS=" "
   for arg
   do
@@ -442,18 +600,18 @@ dashmstdout)
   done
 
   test -z "$dashmflag" && dashmflag=-M
-  # Require at least two characters before searching for `:'
+  # Require at least two characters before searching for ':'
   # in the target name.  This is to cope with DOS-style filenames:
-  # a dependency such as `c:/foo/bar' could be seen as target `c' otherwise.
+  # a dependency such as 'c:/foo/bar' could be seen as target 'c' otherwise.
   "$@" $dashmflag |
-    sed 's:^[  ]*[^: ][^:][^:]*\:[    ]*:'"$object"'\: :' > "$tmpdepfile"
+    sed "s|^[$tab ]*[^:$tab ][^:][^:]*:[$tab ]*|$object: |" > "$tmpdepfile"
   rm -f "$depfile"
   cat < "$tmpdepfile" > "$depfile"
-  tr ' ' '
-' < "$tmpdepfile" | \
-## Some versions of the HPUX 10.20 sed can't process this invocation
-## correctly.  Breaking it into two sed invocations is a workaround.
-    sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
+  # Some versions of the HPUX 10.20 sed can't process this sed invocation
+  # correctly.  Breaking it into two sed invocations is a workaround.
+  tr ' ' "$nl" < "$tmpdepfile" \
+    | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' \
+    | sed -e 's/$/ :/' >> "$depfile"
   rm -f "$tmpdepfile"
   ;;
 
@@ -503,12 +661,15 @@ makedepend)
   touch "$tmpdepfile"
   ${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@"
   rm -f "$depfile"
-  cat < "$tmpdepfile" > "$depfile"
-  sed '1,2d' "$tmpdepfile" | tr ' ' '
-' | \
-## Some versions of the HPUX 10.20 sed can't process this invocation
-## correctly.  Breaking it into two sed invocations is a workaround.
-    sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
+  # makedepend may prepend the VPATH from the source file name to the object.
+  # No need to regex-escape $object, excess matching of '.' is harmless.
+  sed "s|^.*\($object *:\)|\1|" "$tmpdepfile" > "$depfile"
+  # Some versions of the HPUX 10.20 sed can't process the last invocation
+  # correctly.  Breaking it into two sed invocations is a workaround.
+  sed '1,2d' "$tmpdepfile" \
+    | tr ' ' "$nl" \
+    | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' \
+    | sed -e 's/$/ :/' >> "$depfile"
   rm -f "$tmpdepfile" "$tmpdepfile".bak
   ;;
 
@@ -525,7 +686,7 @@ cpp)
     shift
   fi
 
-  # Remove `-o $object'.
+  # Remove '-o $object'.
   IFS=" "
   for arg
   do
@@ -544,10 +705,10 @@ cpp)
     esac
   done
 
-  "$@" -E |
-    sed -n -e '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \
-       -e '/^#line [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' |
-    sed '$ s: \\$::' > "$tmpdepfile"
+  "$@" -E \
+    | sed -n -e '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \
+             -e '/^#line [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \
+    | sed '$ s: \\$::' > "$tmpdepfile"
   rm -f "$depfile"
   echo "$object : \\" > "$depfile"
   cat < "$tmpdepfile" >> "$depfile"
@@ -579,23 +740,23 @@ msvisualcpp)
       shift
       ;;
     "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI")
-	set fnord "$@"
-	shift
-	shift
-	;;
+        set fnord "$@"
+        shift
+        shift
+        ;;
     *)
-	set fnord "$@" "$arg"
-	shift
-	shift
-	;;
+        set fnord "$@" "$arg"
+        shift
+        shift
+        ;;
     esac
   done
   "$@" -E 2>/dev/null |
   sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::\1:p' | $cygpath_u | sort -u > "$tmpdepfile"
   rm -f "$depfile"
   echo "$object : \\" > "$depfile"
-  sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::	\1 \\:p' >> "$depfile"
-  echo "	" >> "$depfile"
+  sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::'"$tab"'\1 \\:p' >> "$depfile"
+  echo "$tab" >> "$depfile"
   sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::\1\::p' >> "$depfile"
   rm -f "$tmpdepfile"
   ;;
diff --git a/exits.h b/exits.h
index a739581..4602799 100644
--- a/exits.h
+++ b/exits.h
@@ -15,7 +15,7 @@
  *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA  02110-1335  USA
  */
 
 #ifndef EXITS__H
diff --git a/fips.c b/fips.c
index a0c04e2..b182a2b 100644
--- a/fips.c
+++ b/fips.c
@@ -15,7 +15,7 @@
  *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA  02110-1335  USA
  */
 
 #define _GNU_SOURCE
diff --git a/fips.h b/fips.h
index a736277..b7acb09 100644
--- a/fips.h
+++ b/fips.h
@@ -15,7 +15,7 @@
  *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA  02110-1335  USA
  */
 
 #ifndef FIPS__H
diff --git a/install-sh b/install-sh
index 6781b98..377bb86 100755
--- a/install-sh
+++ b/install-sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # install - install a program, script, or datafile
 
-scriptversion=2009-04-28.21; # UTC
+scriptversion=2011-11-20.07; # UTC
 
 # This originates from X11R5 (mit/util/scripts/install.sh), which was
 # later released in X11R6 (xc/config/util/install.sh) with the
@@ -35,7 +35,7 @@ scriptversion=2009-04-28.21; # UTC
 # FSF changes to this file are in the public domain.
 #
 # Calling this script install-sh is preferred over install.sh, to prevent
-# `make' implicit rules from creating a file called install from it
+# 'make' implicit rules from creating a file called install from it
 # when there is no Makefile.
 #
 # This script is compatible with the BSD install script, but was written
@@ -156,6 +156,10 @@ while test $# -ne 0; do
     -s) stripcmd=$stripprog;;
 
     -t) dst_arg=$2
+	# Protect names problematic for 'test' and other utilities.
+	case $dst_arg in
+	  -* | [=\(\)!]) dst_arg=./$dst_arg;;
+	esac
 	shift;;
 
     -T) no_target_directory=true;;
@@ -186,6 +190,10 @@ if test $# -ne 0 && test -z "$dir_arg$dst_arg"; then
     fi
     shift # arg
     dst_arg=$arg
+    # Protect names problematic for 'test' and other utilities.
+    case $dst_arg in
+      -* | [=\(\)!]) dst_arg=./$dst_arg;;
+    esac
   done
 fi
 
@@ -194,13 +202,17 @@ if test $# -eq 0; then
     echo "$0: no input file specified." >&2
     exit 1
   fi
-  # It's OK to call `install-sh -d' without argument.
+  # It's OK to call 'install-sh -d' without argument.
   # This can happen when creating conditional directories.
   exit 0
 fi
 
 if test -z "$dir_arg"; then
-  trap '(exit $?); exit' 1 2 13 15
+  do_exit='(exit $ret); exit $ret'
+  trap "ret=129; $do_exit" 1
+  trap "ret=130; $do_exit" 2
+  trap "ret=141; $do_exit" 13
+  trap "ret=143; $do_exit" 15
 
   # Set umask so as not to create temps with too-generous modes.
   # However, 'strip' requires both read and write access to temps.
@@ -228,9 +240,9 @@ fi
 
 for src
 do
-  # Protect names starting with `-'.
+  # Protect names problematic for 'test' and other utilities.
   case $src in
-    -*) src=./$src;;
+    -* | [=\(\)!]) src=./$src;;
   esac
 
   if test -n "$dir_arg"; then
@@ -252,12 +264,7 @@ do
       echo "$0: no destination specified." >&2
       exit 1
     fi
-
     dst=$dst_arg
-    # Protect names starting with `-'.
-    case $dst in
-      -*) dst=./$dst;;
-    esac
 
     # If destination is a directory, append the input filename; won't work
     # if double slashes aren't ignored.
@@ -347,7 +354,7 @@ do
 	      if test -z "$dir_arg" || {
 		   # Check for POSIX incompatibilities with -m.
 		   # HP-UX 11.23 and IRIX 6.5 mkdir -m -p sets group- or
-		   # other-writeable bit of parent directory when it shouldn't.
+		   # other-writable bit of parent directory when it shouldn't.
 		   # FreeBSD 6.1 mkdir -m -p sets mode of existing directory.
 		   ls_ld_tmpdir=`ls -ld "$tmpdir"`
 		   case $ls_ld_tmpdir in
@@ -385,7 +392,7 @@ do
 
       case $dstdir in
 	/*) prefix='/';;
-	-*) prefix='./';;
+	[-=\(\)!]*) prefix='./';;
 	*)  prefix='';;
       esac
 
@@ -403,7 +410,7 @@ do
 
       for d
       do
-	test -z "$d" && continue
+	test X"$d" = X && continue
 
 	prefix=$prefix$d
 	if test -d "$prefix"; then
diff --git a/missing b/missing
index 28055d2..cdea514 100755
--- a/missing
+++ b/missing
@@ -1,11 +1,10 @@
 #! /bin/sh
-# Common stub for a few missing GNU programs while installing.
+# Common wrapper for a few potentially missing GNU programs.
 
-scriptversion=2009-04-28.21; # UTC
+scriptversion=2012-06-26.16; # UTC
 
-# Copyright (C) 1996, 1997, 1999, 2000, 2002, 2003, 2004, 2005, 2006,
-# 2008, 2009 Free Software Foundation, Inc.
-# Originally by Fran,cois Pinard <pinard@iro.umontreal.ca>, 1996.
+# Copyright (C) 1996-2013 Free Software Foundation, Inc.
+# Originally written by Fran,cois Pinard <pinard@iro.umontreal.ca>, 1996.
 
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -26,69 +25,40 @@ scriptversion=2009-04-28.21; # UTC
 # the same distribution terms that you use for the rest of that program.
 
 if test $# -eq 0; then
-  echo 1>&2 "Try \`$0 --help' for more information"
+  echo 1>&2 "Try '$0 --help' for more information"
   exit 1
 fi
 
-run=:
-sed_output='s/.* --output[ =]\([^ ]*\).*/\1/p'
-sed_minuso='s/.* -o \([^ ]*\).*/\1/p'
-
-# In the cases where this matters, `missing' is being run in the
-# srcdir already.
-if test -f configure.ac; then
-  configure_ac=configure.ac
-else
-  configure_ac=configure.in
-fi
+case $1 in
 
-msg="missing on your system"
+  --is-lightweight)
+    # Used by our autoconf macros to check whether the available missing
+    # script is modern enough.
+    exit 0
+    ;;
 
-case $1 in
---run)
-  # Try to run requested program, and just exit if it succeeds.
-  run=
-  shift
-  "$@" && exit 0
-  # Exit code 63 means version mismatch.  This often happens
-  # when the user try to use an ancient version of a tool on
-  # a file that requires a minimum version.  In this case we
-  # we should proceed has if the program had been absent, or
-  # if --run hadn't been passed.
-  if test $? = 63; then
-    run=:
-    msg="probably too old"
-  fi
-  ;;
+  --run)
+    # Back-compat with the calling convention used by older automake.
+    shift
+    ;;
 
   -h|--h|--he|--hel|--help)
     echo "\
 $0 [OPTION]... PROGRAM [ARGUMENT]...
 
-Handle \`PROGRAM [ARGUMENT]...' for when PROGRAM is missing, or return an
-error status if there is no known handling for PROGRAM.
+Run 'PROGRAM [ARGUMENT]...', returning a proper advice when this fails due
+to PROGRAM being missing or too old.
 
 Options:
   -h, --help      display this help and exit
   -v, --version   output version information and exit
-  --run           try to run the given command, and emulate it if it fails
 
 Supported PROGRAM values:
-  aclocal      touch file \`aclocal.m4'
-  autoconf     touch file \`configure'
-  autoheader   touch file \`config.h.in'
-  autom4te     touch the output file, or create a stub one
-  automake     touch all \`Makefile.in' files
-  bison        create \`y.tab.[ch]', if possible, from existing .[ch]
-  flex         create \`lex.yy.c', if possible, from existing .c
-  help2man     touch the output file
-  lex          create \`lex.yy.c', if possible, from existing .c
-  makeinfo     touch the output file
-  tar          try tar, gnutar, gtar, then tar without non-portable flags
-  yacc         create \`y.tab.[ch]', if possible, from existing .[ch]
+  aclocal   autoconf  autoheader   autom4te  automake  makeinfo
+  bison     yacc      flex         lex       help2man
 
-Version suffixes to PROGRAM as well as the prefixes \`gnu-', \`gnu', and
-\`g' are ignored when checking the name.
+Version suffixes to PROGRAM as well as the prefixes 'gnu-', 'gnu', and
+'g' are ignored when checking the name.
 
 Send bug reports to <bug-automake@gnu.org>."
     exit $?
@@ -100,272 +70,141 @@ Send bug reports to <bug-automake@gnu.org>."
     ;;
 
   -*)
-    echo 1>&2 "$0: Unknown \`$1' option"
-    echo 1>&2 "Try \`$0 --help' for more information"
+    echo 1>&2 "$0: unknown '$1' option"
+    echo 1>&2 "Try '$0 --help' for more information"
     exit 1
     ;;
 
 esac
 
-# normalize program name to check for.
-program=`echo "$1" | sed '
-  s/^gnu-//; t
-  s/^gnu//; t
-  s/^g//; t'`
-
-# Now exit if we have it, but it failed.  Also exit now if we
-# don't have it and --version was passed (most likely to detect
-# the program).  This is about non-GNU programs, so use $1 not
-# $program.
-case $1 in
-  lex*|yacc*)
-    # Not GNU programs, they don't have --version.
-    ;;
-
-  tar*)
-    if test -n "$run"; then
-       echo 1>&2 "ERROR: \`tar' requires --run"
-       exit 1
-    elif test "x$2" = "x--version" || test "x$2" = "x--help"; then
-       exit 1
-    fi
-    ;;
-
-  *)
-    if test -z "$run" && ($1 --version) > /dev/null 2>&1; then
-       # We have it, but it failed.
-       exit 1
-    elif test "x$2" = "x--version" || test "x$2" = "x--help"; then
-       # Could not run --version or --help.  This is probably someone
-       # running `$TOOL --version' or `$TOOL --help' to check whether
-       # $TOOL exists and not knowing $TOOL uses missing.
-       exit 1
-    fi
-    ;;
-esac
-
-# If it does not exist, or fails to run (possibly an outdated version),
-# try to emulate it.
-case $program in
-  aclocal*)
-    echo 1>&2 "\
-WARNING: \`$1' is $msg.  You should only need it if
-         you modified \`acinclude.m4' or \`${configure_ac}'.  You might want
-         to install the \`Automake' and \`Perl' packages.  Grab them from
-         any GNU archive site."
-    touch aclocal.m4
-    ;;
-
-  autoconf*)
-    echo 1>&2 "\
-WARNING: \`$1' is $msg.  You should only need it if
-         you modified \`${configure_ac}'.  You might want to install the
-         \`Autoconf' and \`GNU m4' packages.  Grab them from any GNU
-         archive site."
-    touch configure
-    ;;
-
-  autoheader*)
-    echo 1>&2 "\
-WARNING: \`$1' is $msg.  You should only need it if
-         you modified \`acconfig.h' or \`${configure_ac}'.  You might want
-         to install the \`Autoconf' and \`GNU m4' packages.  Grab them
-         from any GNU archive site."
-    files=`sed -n 's/^[ ]*A[CM]_CONFIG_HEADER(\([^)]*\)).*/\1/p' ${configure_ac}`
-    test -z "$files" && files="config.h"
-    touch_files=
-    for f in $files; do
-      case $f in
-      *:*) touch_files="$touch_files "`echo "$f" |
-				       sed -e 's/^[^:]*://' -e 's/:.*//'`;;
-      *) touch_files="$touch_files $f.in";;
-      esac
-    done
-    touch $touch_files
-    ;;
-
-  automake*)
-    echo 1>&2 "\
-WARNING: \`$1' is $msg.  You should only need it if
-         you modified \`Makefile.am', \`acinclude.m4' or \`${configure_ac}'.
-         You might want to install the \`Automake' and \`Perl' packages.
-         Grab them from any GNU archive site."
-    find . -type f -name Makefile.am -print |
-	   sed 's/\.am$/.in/' |
-	   while read f; do touch "$f"; done
-    ;;
-
-  autom4te*)
-    echo 1>&2 "\
-WARNING: \`$1' is needed, but is $msg.
-         You might have modified some files without having the
-         proper tools for further handling them.
-         You can get \`$1' as part of \`Autoconf' from any GNU
-         archive site."
-
-    file=`echo "$*" | sed -n "$sed_output"`
-    test -z "$file" && file=`echo "$*" | sed -n "$sed_minuso"`
-    if test -f "$file"; then
-	touch $file
-    else
-	test -z "$file" || exec >$file
-	echo "#! /bin/sh"
-	echo "# Created by GNU Automake missing as a replacement of"
-	echo "#  $ $@"
-	echo "exit 0"
-	chmod +x $file
-	exit 1
-    fi
-    ;;
-
-  bison*|yacc*)
-    echo 1>&2 "\
-WARNING: \`$1' $msg.  You should only need it if
-         you modified a \`.y' file.  You may need the \`Bison' package
-         in order for those modifications to take effect.  You can get
-         \`Bison' from any GNU archive site."
-    rm -f y.tab.c y.tab.h
-    if test $# -ne 1; then
-        eval LASTARG="\${$#}"
-	case $LASTARG in
-	*.y)
-	    SRCFILE=`echo "$LASTARG" | sed 's/y$/c/'`
-	    if test -f "$SRCFILE"; then
-	         cp "$SRCFILE" y.tab.c
-	    fi
-	    SRCFILE=`echo "$LASTARG" | sed 's/y$/h/'`
-	    if test -f "$SRCFILE"; then
-	         cp "$SRCFILE" y.tab.h
-	    fi
-	  ;;
-	esac
-    fi
-    if test ! -f y.tab.h; then
-	echo >y.tab.h
-    fi
-    if test ! -f y.tab.c; then
-	echo 'main() { return 0; }' >y.tab.c
-    fi
-    ;;
-
-  lex*|flex*)
-    echo 1>&2 "\
-WARNING: \`$1' is $msg.  You should only need it if
-         you modified a \`.l' file.  You may need the \`Flex' package
-         in order for those modifications to take effect.  You can get
-         \`Flex' from any GNU archive site."
-    rm -f lex.yy.c
-    if test $# -ne 1; then
-        eval LASTARG="\${$#}"
-	case $LASTARG in
-	*.l)
-	    SRCFILE=`echo "$LASTARG" | sed 's/l$/c/'`
-	    if test -f "$SRCFILE"; then
-	         cp "$SRCFILE" lex.yy.c
-	    fi
-	  ;;
-	esac
-    fi
-    if test ! -f lex.yy.c; then
-	echo 'main() { return 0; }' >lex.yy.c
-    fi
-    ;;
-
-  help2man*)
-    echo 1>&2 "\
-WARNING: \`$1' is $msg.  You should only need it if
-	 you modified a dependency of a manual page.  You may need the
-	 \`Help2man' package in order for those modifications to take
-	 effect.  You can get \`Help2man' from any GNU archive site."
-
-    file=`echo "$*" | sed -n "$sed_output"`
-    test -z "$file" && file=`echo "$*" | sed -n "$sed_minuso"`
-    if test -f "$file"; then
-	touch $file
-    else
-	test -z "$file" || exec >$file
-	echo ".ab help2man is required to generate this page"
-	exit $?
-    fi
-    ;;
-
-  makeinfo*)
-    echo 1>&2 "\
-WARNING: \`$1' is $msg.  You should only need it if
-         you modified a \`.texi' or \`.texinfo' file, or any other file
-         indirectly affecting the aspect of the manual.  The spurious
-         call might also be the consequence of using a buggy \`make' (AIX,
-         DU, IRIX).  You might want to install the \`Texinfo' package or
-         the \`GNU make' package.  Grab either from any GNU archive site."
-    # The file to touch is that specified with -o ...
-    file=`echo "$*" | sed -n "$sed_output"`
-    test -z "$file" && file=`echo "$*" | sed -n "$sed_minuso"`
-    if test -z "$file"; then
-      # ... or it is the one specified with @setfilename ...
-      infile=`echo "$*" | sed 's/.* \([^ ]*\) *$/\1/'`
-      file=`sed -n '
-	/^@setfilename/{
-	  s/.* \([^ ]*\) *$/\1/
-	  p
-	  q
-	}' $infile`
-      # ... or it is derived from the source name (dir/f.texi becomes f.info)
-      test -z "$file" && file=`echo "$infile" | sed 's,.*/,,;s,.[^.]*$,,'`.info
-    fi
-    # If the file does not exist, the user really needs makeinfo;
-    # let's fail without touching anything.
-    test -f $file || exit 1
-    touch $file
-    ;;
-
-  tar*)
-    shift
-
-    # We have already tried tar in the generic part.
-    # Look for gnutar/gtar before invocation to avoid ugly error
-    # messages.
-    if (gnutar --version > /dev/null 2>&1); then
-       gnutar "$@" && exit 0
-    fi
-    if (gtar --version > /dev/null 2>&1); then
-       gtar "$@" && exit 0
-    fi
-    firstarg="$1"
-    if shift; then
-	case $firstarg in
-	*o*)
-	    firstarg=`echo "$firstarg" | sed s/o//`
-	    tar "$firstarg" "$@" && exit 0
-	    ;;
-	esac
-	case $firstarg in
-	*h*)
-	    firstarg=`echo "$firstarg" | sed s/h//`
-	    tar "$firstarg" "$@" && exit 0
-	    ;;
-	esac
-    fi
-
-    echo 1>&2 "\
-WARNING: I can't seem to be able to run \`tar' with the given arguments.
-         You may want to install GNU tar or Free paxutils, or check the
-         command line arguments."
-    exit 1
-    ;;
-
-  *)
-    echo 1>&2 "\
-WARNING: \`$1' is needed, and is $msg.
-         You might have modified some files without having the
-         proper tools for further handling them.  Check the \`README' file,
-         it often tells you about the needed prerequisites for installing
-         this package.  You may also peek at any GNU archive site, in case
-         some other package would contain this missing \`$1' program."
-    exit 1
-    ;;
-esac
+# Run the given program, remember its exit status.
+"$@"; st=$?
+
+# If it succeeded, we are done.
+test $st -eq 0 && exit 0
+
+# Also exit now if we it failed (or wasn't found), and '--version' was
+# passed; such an option is passed most likely to detect whether the
+# program is present and works.
+case $2 in --version|--help) exit $st;; esac
+
+# Exit code 63 means version mismatch.  This often happens when the user
+# tries to use an ancient version of a tool on a file that requires a
+# minimum version.
+if test $st -eq 63; then
+  msg="probably too old"
+elif test $st -eq 127; then
+  # Program was missing.
+  msg="missing on your system"
+else
+  # Program was found and executed, but failed.  Give up.
+  exit $st
+fi
 
-exit 0
+perl_URL=http://www.perl.org/
+flex_URL=http://flex.sourceforge.net/
+gnu_software_URL=http://www.gnu.org/software
+
+program_details ()
+{
+  case $1 in
+    aclocal|automake)
+      echo "The '$1' program is part of the GNU Automake package:"
+      echo "<$gnu_software_URL/automake>"
+      echo "It also requires GNU Autoconf, GNU m4 and Perl in order to run:"
+      echo "<$gnu_software_URL/autoconf>"
+      echo "<$gnu_software_URL/m4/>"
+      echo "<$perl_URL>"
+      ;;
+    autoconf|autom4te|autoheader)
+      echo "The '$1' program is part of the GNU Autoconf package:"
+      echo "<$gnu_software_URL/autoconf/>"
+      echo "It also requires GNU m4 and Perl in order to run:"
+      echo "<$gnu_software_URL/m4/>"
+      echo "<$perl_URL>"
+      ;;
+  esac
+}
+
+give_advice ()
+{
+  # Normalize program name to check for.
+  normalized_program=`echo "$1" | sed '
+    s/^gnu-//; t
+    s/^gnu//; t
+    s/^g//; t'`
+
+  printf '%s\n' "'$1' is $msg."
+
+  configure_deps="'configure.ac' or m4 files included by 'configure.ac'"
+  case $normalized_program in
+    autoconf*)
+      echo "You should only need it if you modified 'configure.ac',"
+      echo "or m4 files included by it."
+      program_details 'autoconf'
+      ;;
+    autoheader*)
+      echo "You should only need it if you modified 'acconfig.h' or"
+      echo "$configure_deps."
+      program_details 'autoheader'
+      ;;
+    automake*)
+      echo "You should only need it if you modified 'Makefile.am' or"
+      echo "$configure_deps."
+      program_details 'automake'
+      ;;
+    aclocal*)
+      echo "You should only need it if you modified 'acinclude.m4' or"
+      echo "$configure_deps."
+      program_details 'aclocal'
+      ;;
+   autom4te*)
+      echo "You might have modified some maintainer files that require"
+      echo "the 'automa4te' program to be rebuilt."
+      program_details 'autom4te'
+      ;;
+    bison*|yacc*)
+      echo "You should only need it if you modified a '.y' file."
+      echo "You may want to install the GNU Bison package:"
+      echo "<$gnu_software_URL/bison/>"
+      ;;
+    lex*|flex*)
+      echo "You should only need it if you modified a '.l' file."
+      echo "You may want to install the Fast Lexical Analyzer package:"
+      echo "<$flex_URL>"
+      ;;
+    help2man*)
+      echo "You should only need it if you modified a dependency" \
+           "of a man page."
+      echo "You may want to install the GNU Help2man package:"
+      echo "<$gnu_software_URL/help2man/>"
+    ;;
+    makeinfo*)
+      echo "You should only need it if you modified a '.texi' file, or"
+      echo "any other file indirectly affecting the aspect of the manual."
+      echo "You might want to install the Texinfo package:"
+      echo "<$gnu_software_URL/texinfo/>"
+      echo "The spurious makeinfo call might also be the consequence of"
+      echo "using a buggy 'make' (AIX, DU, IRIX), in which case you might"
+      echo "want to install GNU make:"
+      echo "<$gnu_software_URL/make/>"
+      ;;
+    *)
+      echo "You might have modified some files without having the proper"
+      echo "tools for further handling them.  Check the 'README' file, it"
+      echo "often tells you about the needed prerequisites for installing"
+      echo "this package.  You may also peek at any GNU archive site, in"
+      echo "case some other package contains this missing '$1' program."
+      ;;
+  esac
+}
+
+give_advice "$1" | sed -e '1s/^/WARNING: /' \
+                       -e '2,$s/^/         /' >&2
+
+# Propagate the correct exit status (expected to be 127 for a program
+# not found, 63 for a program that failed due to version mismatch).
+exit $st
 
 # Local variables:
 # eval: (add-hook 'write-file-hooks 'time-stamp)
diff --git a/rdrand_asm.S b/rdrand_asm.S
index 55098e8..9918363 100644
--- a/rdrand_asm.S
+++ b/rdrand_asm.S
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011, Intel Corporation
+ * Copyright (c) 2011-2014, Intel Corporation
  * Authors: Fenghua Yu <fenghua.yu@intel.com>,
  *          H. Peter Anvin <hpa@linux.intel.com>
  *
@@ -18,6 +18,8 @@
  *
  */
 
+#if defined(__i386__) || defined(__x86_64__)
+
 #define ENTRY(x)	  \
 	.balign	64	; \
 	.globl	x	; \
@@ -29,100 +31,210 @@ x:
 
 #define RDRAND_RETRY_LIMIT	10
 
-#if defined(__x86_64__)
+#ifdef __x86_64__
 
-ENTRY(x86_rdrand_nlong)
+ENTRY(x86_rdrand_bytes)
+	mov	%esi, %eax
 1:
-	mov	$RDRAND_RETRY_LIMIT, %eax
+	mov	$RDRAND_RETRY_LIMIT, %ecx
 2:
 	.byte	0x48,0x0f,0xc7,0xf2	/* rdrand %rdx */
 	jnc	3f
 	mov	%rdx, (%rdi)
 	add	$8, %rdi
-	sub	$1, %esi
-	jnz	1b
+	sub	$8, %esi
+	ja	1b
+4:
+	sub	%esi, %eax
 	ret
 3:
-	sub	$1, %eax
+	dec	%ecx
 	rep;nop
 	jnz	2b
+	jmp	4b
+ENDPROC(x86_rdrand_bytes)
+
+ENTRY(x86_rdseed_or_rdrand_bytes)
+	mov	(%rsi), %r8d		/* RDSEED count */
+	mov	(%rcx), %r9d		/* RDRAND count */
+1:
+	mov	$RDRAND_RETRY_LIMIT, %r10d
+2:
+	.byte	0x48,0x0f,0xc7,0xf8	/* rdseed %rax */
+	jnc	3f
+	mov	%rax, (%rdi)
+	add	$8, %rdi
+	sub	$8, %r8d
+	ja	1b
+4:
+	sub	%r8d, (%rsi)
+	sub	%r9d, (%rcx)
 	ret
-ENDPROC(x86_rdrand_nlong)
+3:
+	.byte	0x48,0x0f,0xc7,0xf0	/* rdrand %rax */
+	jnc	5f
+	mov	%rax, (%rdx)
+	add	$8, %rdx
+	sub	$8, %r9d
+	ja	1b
+	jmp	4b
+5:
+	dec	%r10d
+	rep;nop
+	jnz	2b
+	jmp	4b
+ENDPROC(x86_rdseed_or_rdrand_bytes)
 
 #define SETPTR(var,ptr)	leaq var(%rip),ptr
 #define PTR0	%rdi
 #define PTR1	%rsi
 #define PTR2	%rcx
+#define CTR3	%eax
 #define NPTR2	1	/* %rcx = %r1, only 0-7 valid here */
 
 #elif defined(__i386__)
 
-ENTRY(x86_rdrand_nlong)
+ENTRY(x86_rdrand_bytes)
 	push	%ebp
 	mov	%esp, %ebp
 	push	%edi
-	movl	8(%ebp), %ecx
-	movl	12(%ebp), %edx
+	push	%esi
+	movl	8(%ebp), %edi
+	movl	12(%ebp), %esi
+
+	mov	%esi, %eax
 1:
-	mov	$RDRAND_RETRY_LIMIT, %eax
+	mov	$RDRAND_RETRY_LIMIT, %ecx
 2:
-	.byte	0x0f,0xc7,0xf7		/* rdrand %edi */
+	.byte	0x0f,0xc7,0xf2		/* rdrand %edx */
 	jnc	3f
-	mov	%edi, (%ecx)
-	add	$4, %ecx
-	sub	$1, %edx
-	jnz	2b
+	mov	%edx, (%edi)
+	add	$4, %edi
+	sub	$4, %esi
+	ja	1b
+4:
+	sub	%esi, %eax
+	pop	%esi
 	pop	%edi
 	pop	%ebp
 	ret
 3:
-	sub	$1, %eax
+	dec	%ecx
 	rep;nop
 	jnz	2b
-	pop %edi
+	jmp	4b
+ENDPROC(x86_rdrand_bytes)
+
+
+ENTRY(x86_rdseed_or_rdrand_bytes)
+	push	%ebp
+	mov	%esp, %ebp
+	push	%edi
+	push	%esi
+	push	%ebx
+
+	mov	12(%ebp), %ebx
+	mov	20(%ebp), %esi
+	mov	8(%ebp), %edi		/* RDSEED pointer */
+	mov	16(%ebp), %edx		/* RDRAND pointer */
+	mov	(%ebx), %ebx		/* RDSEED count */
+	mov	(%esi), %esi		/* RDRAND count */
+1:
+	mov	$RDRAND_RETRY_LIMIT, %ecx
+2:
+	.byte	0x0f,0xc7,0xf8		/* rdseed %eax */
+	jnc	3f
+	mov	%eax, (%edi)
+	add	$4, %edi
+	sub	$4, %ebx
+	ja	1b
+4:
+	mov	12(%ebp), %edx
+	mov	20(%ebp), %eax
+	sub	%ebx, (%edx)		/* RDSEED count */
+	sub	%esi, (%eax)		/* RDRAND count */
+
+	pop	%ebx
+	pop	%esi
+	pop	%edi
 	pop	%ebp
 	ret
-ENDPROC(x86_rdrand_nlong)
+3:
+	.byte	0x0f,0xc7,0xf0		/* rdrand %eax */
+	jnc	5f
+	mov	%eax, (%edx)
+	add	$4, %edx
+	sub	$4, %esi
+	jnz	1b
+	ja	4b
+5:
+	dec	%ecx
+	rep;nop
+	jnz	2b
+	jmp	4b
+ENDPROC(x86_rdseed_or_rdrand_bytes)
 
 #define SETPTR(var,ptr)	movl $(var),ptr
 #define PTR0	%eax
 #define PTR1	%edx
 #define PTR2	%ecx
+#define CTR3	%esi
 #define NPTR2	1	/* %rcx = %r1 */
 
 #endif
 
-#if defined(__i386__) || defined(__x86_64__)
-
 ENTRY(x86_aes_mangle)
-#if defined(__i386__)
+#ifdef __i386__
 	push	%ebp
 	mov	%esp, %ebp
 	movl	8(%ebp), %eax
 	movl	12(%ebp), %edx
+	push	%esi
 #endif
+	movl	$512, CTR3	/* Number of rounds */
+	
+	movdqa	(0*16)(PTR1), %xmm0
+	movdqa	(1*16)(PTR1), %xmm1
+	movdqa	(2*16)(PTR1), %xmm2
+	movdqa	(3*16)(PTR1), %xmm3
+	movdqa	(4*16)(PTR1), %xmm4
+	movdqa	(5*16)(PTR1), %xmm5
+	movdqa	(6*16)(PTR1), %xmm6
+	movdqa	(7*16)(PTR1), %xmm7
 
+#ifdef __x86_64__
+	SETPTR(aes_round_keys, PTR2)
+1:
+#else
+1:
 	SETPTR(aes_round_keys, PTR2)
+#endif
 
-	movdqa	(0*16)(PTR0), %xmm0
-	movdqa	(1*16)(PTR0), %xmm1
-	movdqa	(2*16)(PTR0), %xmm2
-	movdqa	(3*16)(PTR0), %xmm3
-	movdqa	(4*16)(PTR0), %xmm4
-	movdqa	(5*16)(PTR0), %xmm5
-	movdqa	(6*16)(PTR0), %xmm6
-	movdqa	(7*16)(PTR0), %xmm7
-
-	pxor	(0*16)(PTR1), %xmm0
-	pxor	(1*16)(PTR1), %xmm1
-	pxor	(2*16)(PTR1), %xmm2
-	pxor	(3*16)(PTR1), %xmm3
-	pxor	(4*16)(PTR1), %xmm4
-	pxor	(5*16)(PTR1), %xmm5
-	pxor	(6*16)(PTR1), %xmm6
-	pxor	(7*16)(PTR1), %xmm7
+	/* 8192 = 512 (rounds) * 16 (bytes) */
+	pxor	(0*8192)(PTR0), %xmm0
+	pxor	(1*8192)(PTR0), %xmm1
+	pxor	(2*8192)(PTR0), %xmm2
+	pxor	(3*8192)(PTR0), %xmm3
+	pxor	(4*8192)(PTR0), %xmm4
+	pxor	(5*8192)(PTR0), %xmm5
+	pxor	(6*8192)(PTR0), %xmm6
+	pxor	(7*8192)(PTR0), %xmm7
+	add	$16, PTR0
 
+offset = 0
 	.rept 10
+#ifdef __x86_64__
+	movdqa	offset(PTR2), %xmm8
+offset = offset + 16
+	.byte	0x66,0x41,0x0f,0x38,0xdc,0xc0	/* aesenc %xmm8, %xmm0 */
+	.byte	0x66,0x41,0x0f,0x38,0xdc,0xc8	/* aesenc %xmm8, %xmm1 */
+	.byte	0x66,0x41,0x0f,0x38,0xdc,0xd0	/* aesenc %xmm8, %xmm2 */
+	.byte	0x66,0x41,0x0f,0x38,0xdc,0xd8	/* aesenc %xmm8, %xmm3 */
+	.byte	0x66,0x41,0x0f,0x38,0xdc,0xe0	/* aesenc %xmm8, %xmm4 */
+	.byte	0x66,0x41,0x0f,0x38,0xdc,0xe8	/* aesenc %xmm8, %xmm5 */
+	.byte	0x66,0x41,0x0f,0x38,0xdc,0xf0	/* aesenc %xmm8, %xmm6 */
+	.byte	0x66,0x41,0x0f,0x38,0xdc,0xf8	/* aesenc %xmm8, %xmm7 */
+#else
 	.byte	0x66,0x0f,0x38,0xdc,0x00+NPTR2	/* aesenc (PTR2), %xmm0 */
 	.byte	0x66,0x0f,0x38,0xdc,0x08+NPTR2	/* aesenc (PTR2), %xmm1 */
 	.byte	0x66,0x0f,0x38,0xdc,0x10+NPTR2	/* aesenc (PTR2), %xmm2 */
@@ -132,8 +244,20 @@ ENTRY(x86_aes_mangle)
 	.byte	0x66,0x0f,0x38,0xdc,0x30+NPTR2	/* aesenc (PTR2), %xmm6 */
 	.byte	0x66,0x0f,0x38,0xdc,0x38+NPTR2	/* aesenc (PTR2), %xmm7 */
 	add	$16, PTR2
+#endif
 	.endr
 
+#ifdef __x86_64__
+	movdqa	offset(PTR2), %xmm8
+	.byte	0x66,0x41,0x0f,0x38,0xdd,0xc0	/* aesenclast %xmm8, %xmm0 */
+	.byte	0x66,0x41,0x0f,0x38,0xdd,0xc8	/* aesenclast %xmm8, %xmm1 */
+	.byte	0x66,0x41,0x0f,0x38,0xdd,0xd0	/* aesenclast %xmm8, %xmm2 */
+	.byte	0x66,0x41,0x0f,0x38,0xdd,0xd8	/* aesenclast %xmm8, %xmm3 */
+	.byte	0x66,0x41,0x0f,0x38,0xdd,0xe0	/* aesenclast %xmm8, %xmm4 */
+	.byte	0x66,0x41,0x0f,0x38,0xdd,0xe8	/* aesenclast %xmm8, %xmm5 */
+	.byte	0x66,0x41,0x0f,0x38,0xdd,0xf0	/* aesenclast %xmm8, %xmm6 */
+	.byte	0x66,0x41,0x0f,0x38,0xdd,0xf8	/* aesenclast %xmm8, %xmm7 */
+#else
 	.byte	0x66,0x0f,0x38,0xdd,0x00+NPTR2	/* aesenclast (PTR2), %xmm0 */
 	.byte	0x66,0x0f,0x38,0xdd,0x08+NPTR2	/* aesenclast (PTR2), %xmm1 */
 	.byte	0x66,0x0f,0x38,0xdd,0x10+NPTR2	/* aesenclast (PTR2), %xmm2 */
@@ -142,16 +266,10 @@ ENTRY(x86_aes_mangle)
 	.byte	0x66,0x0f,0x38,0xdd,0x28+NPTR2	/* aesenclast (PTR2), %xmm5 */
 	.byte	0x66,0x0f,0x38,0xdd,0x30+NPTR2	/* aesenclast (PTR2), %xmm6 */
 	.byte	0x66,0x0f,0x38,0xdd,0x38+NPTR2	/* aesenclast (PTR2), %xmm7 */
-
-	movdqa	%xmm0, (0*16)(PTR0)
-	movdqa	%xmm1, (1*16)(PTR0)
-	movdqa	%xmm2, (2*16)(PTR0)
-	movdqa	%xmm3, (3*16)(PTR0)
-	movdqa	%xmm4, (4*16)(PTR0)
-	movdqa	%xmm5, (5*16)(PTR0)
-	movdqa	%xmm6, (6*16)(PTR0)
-	movdqa	%xmm7, (7*16)(PTR0)
-
+#endif
+	sub	$1, CTR3
+	jnz	1b
+	
 	movdqa	%xmm0, (0*16)(PTR1)
 	movdqa	%xmm1, (1*16)(PTR1)
 	movdqa	%xmm2, (2*16)(PTR1)
@@ -161,36 +279,75 @@ ENTRY(x86_aes_mangle)
 	movdqa	%xmm6, (6*16)(PTR1)
 	movdqa	%xmm7, (7*16)(PTR1)
 
-#if defined(__i386__)
+#ifdef __i386__
+	pop	%esi
 	pop	%ebp
 #endif
 	ret
 ENDPROC(x86_aes_mangle)
-	/*
-	 * AES round keys for an arbitrary key:
-	 * 00102030405060708090A0B0C0D0E0F0
-	 */
-	.section ".rodata","a"
-	.balign	16
-aes_round_keys:
-	.long	0x00102030, 0x40506070, 0x8090A0B0, 0xC0D0E0F0
-	.long	0x89D810E8, 0x855ACE68, 0x2D1843D8, 0xCB128FE4
-	.long	0x4915598F, 0x55E5D7A0, 0xDACA94FA, 0x1F0A63F7
-	.long	0xFA636A28, 0x25B339C9, 0x40668A31, 0x57244D17
-	.long	0x24724023, 0x6966B3FA, 0x6ED27532, 0x88425B6C
-	.long	0xC81677BC, 0x9B7AC93B, 0x25027992, 0xB0261996
-	.long	0xC62FE109, 0xF75EEDC3, 0xCC79395D, 0x84F9CF5D
-	.long	0xD1876C0F, 0x79C4300A, 0xB45594AD, 0xD66FF41F
-	.long	0xFDE3BAD2, 0x05E5D0D7, 0x3547964E, 0xF1FE37F1
-	.long	0xBD6E7C3D, 0xF2B5779E, 0x0B61216E, 0x8B10B689
-	.long	0x69C4E0D8, 0x6A7B0430, 0xD8CDB780, 0x70B4C55A
-	.size	aes_round_keys, .-aes_round_keys
+
+/* aeskeygenassist $imm,%xmm0,%xmm1 */
+#define AESKEYGENASSIST(imm) .byte 0x66,0x0f,0x3a,0xdf,0xc8,imm
+
+ENTRY(x86_aes_expand_key)
+#ifdef __i386__
+	push	%ebp
+	mov	%esp, %ebp
+	movl	8(%ebp), %eax
+#endif
+
+	SETPTR(aes_round_keys, PTR1)
+	movdqu	(PTR0), %xmm0
+	movdqa	%xmm0, (PTR1)	/* First slot = the plain key */
+	add	$16, PTR1
+
+	AESKEYGENASSIST(0x01)
+	call	1f
+	AESKEYGENASSIST(0x02)
+	call	1f
+	AESKEYGENASSIST(0x04)
+	call	1f
+	AESKEYGENASSIST(0x08)
+	call	1f
+	AESKEYGENASSIST(0x10)
+	call	1f
+	AESKEYGENASSIST(0x20)
+	call	1f
+	AESKEYGENASSIST(0x40)
+	call	1f
+	AESKEYGENASSIST(0x80)
+	call	1f
+	AESKEYGENASSIST(0x1b)
+	call	1f
+	AESKEYGENASSIST(0x36)
+	call	1f
+
+#ifdef __i386__
+	pop	%ebp
+#endif
+	ret
+
+1:
+	pshufd	$0xff, %xmm1, %xmm1
+	movdqa	%xmm0, %xmm2
+	pslldq	$4, %xmm2
+	pxor	%xmm2, %xmm0
+	pslldq	$4, %xmm2
+	pxor	%xmm2, %xmm0
+	pslldq	$4, %xmm2
+	pxor	%xmm2, %xmm0
+	pxor	%xmm1, %xmm0
+	movdqa	%xmm0, (PTR1)
+	add	$16, PTR1
+	ret
+
+ENDPROC(x86_aes_expand_key)
 
 	.bss
-	.balign 16
-aes_fwd_state:
-	.space	16
-	.size	aes_fwd_state, .-aes_fwd_state
+	.balign 64
+aes_round_keys:
+	.space	11*16
+	.size	aes_round_keys, .-aes_round_keys
 
 #endif /* i386 or x86_64 */
 
diff --git a/rng-tools-config.h.in b/rng-tools-config.h.in
index 8e25f3e..bdfa13b 100644
--- a/rng-tools-config.h.in
+++ b/rng-tools-config.h.in
@@ -1,5 +1,35 @@
 /* rng-tools-config.h.in.  Generated from configure.ac by autoheader.  */
 
+/* Define to 1 if you have the <inttypes.h> header file. */
+#undef HAVE_INTTYPES_H
+
+/* Define to 1 if you have the `gcrypt' library (-lgcrypt). */
+#undef HAVE_LIBGCRYPT
+
+/* Define to 1 if you have the <memory.h> header file. */
+#undef HAVE_MEMORY_H
+
+/* Define to 1 if you have the <stdint.h> header file. */
+#undef HAVE_STDINT_H
+
+/* Define to 1 if you have the <stdlib.h> header file. */
+#undef HAVE_STDLIB_H
+
+/* Define to 1 if you have the <strings.h> header file. */
+#undef HAVE_STRINGS_H
+
+/* Define to 1 if you have the <string.h> header file. */
+#undef HAVE_STRING_H
+
+/* Define to 1 if you have the <sys/stat.h> header file. */
+#undef HAVE_SYS_STAT_H
+
+/* Define to 1 if you have the <sys/types.h> header file. */
+#undef HAVE_SYS_TYPES_H
+
+/* Define to 1 if you have the <unistd.h> header file. */
+#undef HAVE_UNISTD_H
+
 /* Name of package */
 #undef PACKAGE
 
@@ -21,5 +51,8 @@
 /* Define to the version of this package. */
 #undef PACKAGE_VERSION
 
+/* Define to 1 if you have the ANSI C header files. */
+#undef STDC_HEADERS
+
 /* Version number of package */
 #undef VERSION
diff --git a/rngd.8.in b/rngd.8.in
index de0c34a..4cab177 100644
--- a/rngd.8.in
+++ b/rngd.8.in
@@ -39,7 +39,6 @@ an alternate entropy output device, besides the default /dev/random.
 Note that this device must support the Linux kernel /dev/random 
 ioctl API.
 .PP
-FIXME: document random-step and timeout
 
 .SH OPTIONS
 .TP
diff --git a/rngd.c b/rngd.c
index a9dbcb8..0205d40 100644
--- a/rngd.c
+++ b/rngd.c
@@ -23,7 +23,7 @@
  *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA  02110-1335  USA
  */
 
 #define _GNU_SOURCE
diff --git a/rngd.h b/rngd.h
index 2dd8481..528eec0 100644
--- a/rngd.h
+++ b/rngd.h
@@ -15,7 +15,7 @@
  *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA  02110-1335  USA
  */
 
 #ifndef RNGD__H
diff --git a/rngd_entsource.c b/rngd_entsource.c
index 46b051c..f0e219d 100644
--- a/rngd_entsource.c
+++ b/rngd_entsource.c
@@ -15,7 +15,7 @@
  *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA  02110-1335  USA
  */
 
 #define _GNU_SOURCE
diff --git a/rngd_entsource.h b/rngd_entsource.h
index 79b8b86..e34f561 100644
--- a/rngd_entsource.h
+++ b/rngd_entsource.h
@@ -15,7 +15,7 @@
  *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA  02110-1335  USA
  */
 
 #ifndef RNGD_ENTSOURCE__H
diff --git a/rngd_linux.c b/rngd_linux.c
index 46db951..c4f45de 100644
--- a/rngd_linux.c
+++ b/rngd_linux.c
@@ -15,7 +15,7 @@
  *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA  02110-1335  USA
  */
 
 #define _GNU_SOURCE
diff --git a/rngd_linux.h b/rngd_linux.h
index 029584b..6e62934 100644
--- a/rngd_linux.h
+++ b/rngd_linux.h
@@ -15,7 +15,7 @@
  *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA  02110-1335  USA
  */
 
 #ifndef RNGD_LINUX__H
diff --git a/rngd_rdrand.c b/rngd_rdrand.c
index f04d2f0..4d7a5a7 100644
--- a/rngd_rdrand.c
+++ b/rngd_rdrand.c
@@ -1,7 +1,8 @@
 /*
- * Copyright (c) 2012, Intel Corporation
+ * Copyright (c) 2012-2014, Intel Corporation
  * Authors: Richard B. Hill <richard.b.hill@intel.com>,
- *          H. Peter Anvin <hpa@linux.intel.com>
+ *          H. Peter Anvin <hpa@linux.intel.com>,
+ *          John P. Mechalas <john.p.mechalas@intel.com>
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms and conditions of the GNU General Public License,
@@ -36,6 +37,9 @@
 #include <syslog.h>
 #include <string.h>
 #include <stddef.h>
+#ifdef HAVE_LIBGCRYPT
+#include <gcrypt.h>
+#endif
 
 #include "rngd.h"
 #include "fips.h"
@@ -49,34 +53,64 @@ struct cpuid {
         uint32_t eax, ecx, edx, ebx;
 };
 
-/* Get data from RDRAND */
-extern int x86_rdrand_nlong(void *ptr, size_t count);
-/* Conditioning RDRAND for seed-grade entropy */
+/*
+ * Get data from RDRAND.  The count is in bytes, but the function can
+ * round *up* the count to the nearest 4- or 8-byte boundary.  The caller
+ * needs to take that into account.  count must not be zero.
+ *
+ * The function returns the number of bytes actually written.
+ */
+extern unsigned int x86_rdrand_bytes(void *ptr, unsigned int count);
+
+/*
+ * Get data from RDSEED (preferentially) or RDRAND into separate
+ * buffers.  Returns when either buffer is full.  Same conditions
+ * apply as for x86_rdrand_bytes().
+ */
+extern void x86_rdseed_or_rdrand_bytes(void *seed_ptr, unsigned int *seed_cnt,
+				       void *rand_ptr, unsigned int *rand_cnt);
+
+/* Condition RDRAND for seed-grade entropy */
 extern void x86_aes_mangle(void *data, void *state);
 
+/* Expand an AES key for future use */
+extern void x86_aes_expand_key(const void *key);
+
+#ifdef __x86_64__
+typedef uint64_t unative_t;	/* x86-64 or x32 */
+#else
+typedef uint32_t unative_t;	/* i386 */
+#endif
+
 /* Checking eflags to confirm cpuid instruction available */
-/* Only necessary for 32 bit processors */
-#if defined (__i386__)
-static int x86_has_eflag(uint32_t flag)
+static inline int x86_has_eflag(unative_t flag)
 {
-        uint32_t f0, f1;
-		asm("pushfl ; "
-            "pushfl ; "
-            "popl %0 ; "
-            "movl %0,%1 ; "
-            "xorl %2,%1 ; "
-            "pushl %1 ; "
-            "popfl ; "
-            "pushfl ; "
-            "popl %1 ; "
-            "popfl"
-            : "=&r" (f0), "=&r" (f1)
-            : "ri" (flag));
-        return !!((f0^f1) & flag);
+	unative_t f0, f1;
+	asm("pushf ; "
+	    "pushf ; "
+	    "pop %0 ; "
+	    "mov %0,%1 ; "
+	    "xor %2,%1 ; "
+	    "push %1 ; "
+	    "popf ; "
+	    "pushf ; "
+	    "pop %1 ; "
+	    "popf"
+	    : "=&r" (f0), "=&r" (f1)
+	    : "ri" (flag));
+	return !!((f0^f1) & flag);
 }
+
+static inline int x86_has_cpuid(void)
+{
+#ifdef __i386__
+	return x86_has_eflag(1 << 21); /* ID flag */
+#else
+	return 1;		/* x86-64 always has CPUID */
 #endif
+}
 
-/* Calling cpuid instruction to verify rdrand capability */
+/* Calling cpuid instruction to verify rdrand and aes-ni capability */
 static void cpuid(unsigned int leaf, unsigned int subleaf, struct cpuid *out)
 {
 #ifdef __i386__
@@ -98,28 +132,108 @@ static void cpuid(unsigned int leaf, unsigned int subleaf, struct cpuid *out)
 }
 
 /* Read data from the drng in chunks of 128 bytes for AES scrambling */
-#define CHUNK_SIZE		(16*8)
+#define AES_BLOCK		16
+#define CHUNK_SIZE		(AES_BLOCK*8)	/* 8 parallel streams */
+#define RDRAND_ROUNDS		512		/* 512:1 data reduction */
 
 static unsigned char iv_buf[CHUNK_SIZE] __attribute__((aligned(128)));
+static int have_aesni, have_rdseed;
+
+/* Necessary if we have RDRAND but not AES-NI */
+
+#ifdef HAVE_LIBGCRYPT
+
+#define MIN_GCRYPT_VERSION "1.0.0"
+
+static gcry_cipher_hd_t gcry_cipher_hd;
+
+#endif
+
+static inline int gcrypt_mangle(unsigned char *tmp)
+{
+#ifdef HAVE_LIBGCRYPT
+	gcry_error_t gcry_error;
+
+	/* Encrypt tmp in-place. */
+
+	gcry_error = gcry_cipher_encrypt(gcry_cipher_hd, tmp,
+					 AES_BLOCK * RDRAND_ROUNDS,
+					 NULL, 0);
+
+	if (gcry_error) {
+		message(LOG_DAEMON|LOG_ERR,
+			"gcry_cipher_encrypt error: %s\n",
+			gcry_strerror(gcry_error));
+		return -1;
+	}
+	return 0;
+#else
+	(void)tmp;
+	return -1;
+#endif
+}
 
 int xread_drng(void *buf, size_t size, struct rng *ent_src)
 {
+	static unsigned char rdrand_buf[CHUNK_SIZE * RDRAND_ROUNDS]
+		__attribute__((aligned(128)));
+	static unsigned int rdrand_bytes = 0;
+	unsigned char rdseed_buf[CHUNK_SIZE]
+		__attribute__((aligned(128)));
 	char *p = buf;
 	size_t chunk;
-	const int rdrand_round_count = 512;
-	unsigned char tmp[CHUNK_SIZE] __attribute__((aligned(128)));
-	int i;
+	unsigned char *rdrand_ptr, *data;
+	unsigned int rand_bytes, seed_bytes;
+
+	(void)ent_src;
 
 	while (size) {
-		for (i = 0; i < rdrand_round_count; i++) {
-			if (!x86_rdrand_nlong(tmp, CHUNK_SIZE/sizeof(long))) {
-				message(LOG_DAEMON|LOG_ERR, "read error\n");
+		rand_bytes = (have_aesni
+			      ? CHUNK_SIZE * RDRAND_ROUNDS
+			      : AES_BLOCK * RDRAND_ROUNDS)
+			- rdrand_bytes;
+
+		if (rand_bytes == 0) {
+			/* We already have a full rdrand_buf */
+			if (have_aesni) {
+				x86_aes_mangle(rdrand_buf, iv_buf);
+				data = iv_buf;
+				chunk = CHUNK_SIZE;
+			} else if (!gcrypt_mangle(rdrand_buf)) {
+				data = rdrand_buf +
+					AES_BLOCK * (RDRAND_ROUNDS - 1);
+				chunk = AES_BLOCK;
+			} else {
 				return -1;
 			}
-			x86_aes_mangle(tmp, iv_buf);
+			rdrand_bytes = 0;
+			goto have_data;
+		}
+
+		rdrand_ptr = rdrand_buf + rdrand_bytes;
+
+		if (have_rdseed) {
+			seed_bytes = sizeof rdseed_buf;
+			x86_rdseed_or_rdrand_bytes(rdseed_buf, &seed_bytes,
+						   rdrand_ptr, &rand_bytes);
+		} else {
+			rand_bytes = x86_rdrand_bytes(rdrand_ptr, rand_bytes);
+			seed_bytes = 0;
 		}
-		chunk = (sizeof(tmp) > size) ? size : sizeof(tmp);
-		memcpy(p, tmp, chunk);
+
+		rdrand_bytes += rand_bytes;
+
+		if (seed_bytes) {
+			data = rdseed_buf;
+			chunk = seed_bytes;
+			goto have_data;
+		}
+
+		continue;	/* No data ready yet */
+
+	have_data:
+		chunk = (chunk > size) ? size : chunk;
+		memcpy(p, data, chunk);
 		p += chunk;
 		size -= chunk;
 	}
@@ -127,31 +241,116 @@ int xread_drng(void *buf, size_t size, struct rng *ent_src)
 	return 0;
 }
 
+static int init_aesni(const void *key)
+{
+	if (!have_aesni)
+		return 1;
+
+	x86_aes_expand_key(key);
+	return 0;
+}
+
+static int init_gcrypt(const void *key)
+{
+#ifdef HAVE_LIBGCRYPT
+	gcry_error_t gcry_error;
+
+	if (!gcry_check_version(MIN_GCRYPT_VERSION)) {
+		message(LOG_DAEMON|LOG_ERR,
+			"libgcrypt version mismatch: have %s, require >= %s\n",
+			gcry_check_version(NULL), MIN_GCRYPT_VERSION);
+		return 1;
+	}
+
+	gcry_error = gcry_cipher_open(&gcry_cipher_hd, GCRY_CIPHER_AES128,
+				      GCRY_CIPHER_MODE_CBC, 0);
+
+	if (!gcry_error)
+		gcry_error = gcry_cipher_setkey(gcry_cipher_hd, key, AES_BLOCK);
+
+	if (!gcry_error) {
+		/*
+		 * Only need the first 16 bytes of iv_buf. AES-NI can
+		 * encrypt multiple blocks in parallel but we can't.
+		 */
+		gcry_error = gcry_cipher_setiv(gcry_cipher_hd, iv_buf, AES_BLOCK);
+	}
+
+	if (gcry_error) {
+		message(LOG_DAEMON|LOG_ERR,
+			"could not set key or IV: %s\n",
+			gcry_strerror(gcry_error));
+		gcry_cipher_close(gcry_cipher_hd);
+		return 1;
+	}
+	return 0;
+#else
+	(void)key;
+	return 1;
+#endif
+}
+
 /*
  * Confirm RDRAND capabilities for drng entropy source
  */
 int init_drng_entropy_source(struct rng *ent_src)
 {
 	struct cpuid info;
-	/* We need RDRAND and AESni */
-	const uint32_t need_features_ecx1 = (1 << 30) | (1 << 25);
+	/* We need RDRAND, but AESni is optional */
+	const uint32_t features_ecx1_rdrand = 1 << 30;
+	const uint32_t features_ecx1_aesni  = 1 << 25;
+	const uint32_t features_ebx7_rdseed = 1 << 18;
+	uint32_t max_cpuid_leaf;
+	static unsigned char key[AES_BLOCK] = {
+		0x00,0x10,0x20,0x30,0x40,0x50,0x60,0x70,
+		0x80,0x90,0xa0,0xb0,0xc0,0xd0,0xe0,0xf0
+	}; /* AES data reduction key */
+	unsigned char xkey[AES_BLOCK];	/* Material to XOR into the key */
+	int fd;
+	int i;
 
-#if defined(__i386__)
-	if (!x86_has_eflag(1 << 21))
+	if (!x86_has_cpuid())
 		return 1;	/* No CPUID instruction */
-#endif
 
 	cpuid(0, 0, &info);
-	if (info.eax < 1)
+	max_cpuid_leaf = info.eax;
+
+	if (max_cpuid_leaf < 1)
 		return 1;
+
 	cpuid(1, 0, &info);
-	if ((info.ecx & need_features_ecx1) != need_features_ecx1)
+	if (!(info.ecx & features_ecx1_rdrand))
+		return 1;
+
+	have_aesni = !!(info.ecx & features_ecx1_aesni);
+
+	have_rdseed = 0;
+	if (max_cpuid_leaf >= 7) {
+		cpuid(7, 0, &info);
+		if (info.ebx & features_ebx7_rdseed)
+			have_rdseed = 1;
+	}
+
+	/* Randomize the AES data reduction key the best we can */
+	if (x86_rdrand_bytes(xkey, sizeof xkey) != sizeof xkey)
 		return 1;
 
+	fd = open("/dev/urandom", O_RDONLY);
+	if (fd >= 0) {
+		read(fd, key, sizeof key);
+		close(fd);
+	}
+
+	for (i = 0; i < (int)sizeof key; i++)
+		key[i] ^= xkey[i];
+
 	/* Initialize the IV buffer */
-	if (!x86_rdrand_nlong(iv_buf, CHUNK_SIZE/sizeof(long)))
+	if (x86_rdrand_bytes(iv_buf, CHUNK_SIZE) != CHUNK_SIZE)
 		return 1;
 
+	if (init_aesni(key) && init_gcrypt(key))
+		return 1;	/* We need one crypto or the other... */
+
 	src_list_add(ent_src);
 	/* Bootstrap FIPS tests */
 	ent_src->fipsctx = malloc(sizeof(fips_ctx_t));
diff --git a/rngtest.1.in b/rngtest.1.in
index a116caa..43ead98 100644
--- a/rngtest.1.in
+++ b/rngtest.1.in
@@ -43,7 +43,7 @@ Exit after processing n input blocks, if n is not zero.
 Dump statistics every n blocks, if n is not zero.
 .TP
 \fB\-t\fR \fIn\fR, \fB\-\-timedstats=\fIn\fR (default: 0)
-Dump statistics every n secods, if n is not zero.
+Dump statistics every n seconds, if n is not zero.
 .TP
 \fB\-?\fR, \fB\-\-help\fR
 Give a short summary of all program options.
@@ -62,7 +62,7 @@ other statistics show a breakdown of the FIPS 140-2 failures by FIPS
 tests are defined on FIPS 140-1 and FIPS 140-2 errata of 2001-10-10. They
 were removed in FIPS 140-2 errata of 2002-12-03).
 .PP
-The speed statistics are taken for every 20000-bit block trasferred or
+The speed statistics are taken for every 20000-bit block transferred or
 processed.
 
 .SH EXIT STATUS
diff --git a/rngtest.c b/rngtest.c
index 6b4a029..86117d2 100644
--- a/rngtest.c
+++ b/rngtest.c
@@ -18,7 +18,7 @@
  *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA  02110-1335  USA
  */
 
 #define _GNU_SOURCE
diff --git a/stats.c b/stats.c
index eede033..5c4036a 100644
--- a/stats.c
+++ b/stats.c
@@ -15,7 +15,7 @@
  *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA  02110-1335  USA
  */
 
 #define _GNU_SOURCE
diff --git a/stats.h b/stats.h
index 74df71a..92d93e1 100644
--- a/stats.h
+++ b/stats.h
@@ -15,7 +15,7 @@
  *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA  02110-1335  USA
  */
 
 #ifndef STATS__H