Update.

4 files changed, 55 insertions, 45 deletions

diff --git a/gl/m4/gnulib-cache.m4 b/gl/m4/gnulib-cache.m4
index 8173bb5..aae8bfa 100644
--- a/gl/m4/gnulib-cache.m4
+++ b/gl/m4/gnulib-cache.m4
@@ -15,7 +15,7 @@
 
 
 # Specification in the form of a command-line invocation:
-#   gnulib-tool --import --dir=. --local-dir=gl/override --lib=libgnu --source-base=gl --m4-base=gl/m4 --doc-base=doc --aux-dir=. --libtool --macro-prefix=gl gendocs getopt maintainer-makefile memmove progname read-file strdup version-etc-fsf
+#   gnulib-tool --import --dir=. --local-dir=gl/override --lib=libgnu --source-base=gl --m4-base=gl/m4 --doc-base=doc --aux-dir=build-aux --libtool --macro-prefix=gl gendocs getopt maintainer-makefile memmove progname read-file strdup version-etc-fsf
 
 # Specification in the form of a few gnulib-tool.m4 macro invocations:
 gl_LOCAL_DIR([gl/override])
diff --git a/gl/m4/gnulib-comp.m4 b/gl/m4/gnulib-comp.m4
index 74fe924..3678239 100644
--- a/gl/m4/gnulib-comp.m4
+++ b/gl/m4/gnulib-comp.m4
@@ -51,7 +51,7 @@ AC_DEFUN([gl_INIT],
   gl_FUNC_STRDUP
   gl_STRING_MODULE_INDICATOR([strdup])
   gl_HEADER_STRING_H
-  gl_HEADER_UNISTD
+  gl_UNISTD_H
   m4_popdef([AC_LIBSOURCES])
   m4_popdef([AC_REPLACE_FUNCS])
   m4_popdef([AC_LIBOBJ])
@@ -91,6 +91,7 @@ AC_DEFUN([gl_LIBSOURCES],
 AC_DEFUN([gl_FILE_LIST], [
   build-aux/GNUmakefile
   build-aux/gendocs.sh
+  build-aux/link-warning.h
   build-aux/maint.mk
   doc/gendocs_template
   lib/getopt.c
diff --git a/gl/m4/string_h.m4 b/gl/m4/string_h.m4
index 9f5ba87..f706d49 100644
--- a/gl/m4/string_h.m4
+++ b/gl/m4/string_h.m4
@@ -18,41 +18,19 @@ AC_DEFUN([gl_HEADER_STRING_H_BODY],
 [
   AC_REQUIRE([AC_C_RESTRICT])
   AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS])
-  AC_REQUIRE([gl_STRING_MODULE_INDICATOR_DEFAULTS])
   gl_ABSOLUTE_HEADER([string.h])
   ABSOLUTE_STRING_H=\"$gl_cv_absolute_string_h\"
   AC_SUBST([ABSOLUTE_STRING_H])
 ])
 
-AC_DEFUN([gl_HEADER_STRING_H_DEFAULTS],
-[
-  dnl Assume proper GNU behavior unless another module says otherwise.
-  HAVE_DECL_MEMMEM=1;		AC_SUBST([HAVE_DECL_MEMMEM])
-  HAVE_MEMPCPY=1;		AC_SUBST([HAVE_MEMPCPY])
-  HAVE_DECL_MEMRCHR=1;		AC_SUBST([HAVE_DECL_MEMRCHR])
-  HAVE_STPCPY=1;		AC_SUBST([HAVE_STPCPY])
-  HAVE_STPNCPY=1;		AC_SUBST([HAVE_STPNCPY])
-  HAVE_STRCASECMP=1;		AC_SUBST([HAVE_STRCASECMP])
-  HAVE_DECL_STRNCASECMP=1;	AC_SUBST([HAVE_DECL_STRNCASECMP])
-  HAVE_STRCHRNUL=1;		AC_SUBST([HAVE_STRCHRNUL])
-  HAVE_DECL_STRDUP=1;		AC_SUBST([HAVE_DECL_STRDUP])
-  HAVE_STRNDUP=1;		AC_SUBST([HAVE_STRNDUP])
-  HAVE_DECL_STRNDUP=1;		AC_SUBST([HAVE_DECL_STRNDUP])
-  HAVE_DECL_STRNLEN=1;		AC_SUBST([HAVE_DECL_STRNLEN])
-  HAVE_STRPBRK=1;		AC_SUBST([HAVE_STRPBRK])
-  HAVE_STRSEP=1;		AC_SUBST([HAVE_STRSEP])
-  HAVE_STRCASESTR=1;		AC_SUBST([HAVE_STRCASESTR])
-  HAVE_DECL_STRTOK_R=1;		AC_SUBST([HAVE_DECL_STRTOK_R])
-])
-
 AC_DEFUN([gl_STRING_MODULE_INDICATOR],
 [
   dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
-  AC_REQUIRE([gl_STRING_MODULE_INDICATOR_DEFAULTS])
+  AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS])
   GNULIB_[]m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./-],[ABCDEFGHIJKLMNOPQRSTUVWXYZ___])=1
 ])
 
-AC_DEFUN([gl_STRING_MODULE_INDICATOR_DEFAULTS],
+AC_DEFUN([gl_HEADER_STRING_H_DEFAULTS],
 [
   GNULIB_MEMMEM=0;      AC_SUBST([GNULIB_MEMMEM])
   GNULIB_MEMPCPY=0;     AC_SUBST([GNULIB_MEMPCPY])
@@ -72,10 +50,29 @@ AC_DEFUN([gl_STRING_MODULE_INDICATOR_DEFAULTS],
   GNULIB_MBSRCHR=0;     AC_SUBST([GNULIB_MBSRCHR])
   GNULIB_MBSSTR=0;      AC_SUBST([GNULIB_MBSSTR])
   GNULIB_MBSCASECMP=0;  AC_SUBST([GNULIB_MBSCASECMP])
+  GNULIB_MBSNCASECMP=0; AC_SUBST([GNULIB_MBSNCASECMP])
+  GNULIB_MBSPCASECMP=0; AC_SUBST([GNULIB_MBSPCASECMP])
   GNULIB_MBSCASESTR=0;  AC_SUBST([GNULIB_MBSCASESTR])
   GNULIB_MBSCSPN=0;     AC_SUBST([GNULIB_MBSCSPN])
   GNULIB_MBSPBRK=0;     AC_SUBST([GNULIB_MBSPBRK])
   GNULIB_MBSSPN=0;      AC_SUBST([GNULIB_MBSSPN])
   GNULIB_MBSSEP=0;      AC_SUBST([GNULIB_MBSSEP])
   GNULIB_MBSTOK_R=0;    AC_SUBST([GNULIB_MBSTOK_R])
+  dnl Assume proper GNU behavior unless another module says otherwise.
+  HAVE_DECL_MEMMEM=1;		AC_SUBST([HAVE_DECL_MEMMEM])
+  HAVE_MEMPCPY=1;		AC_SUBST([HAVE_MEMPCPY])
+  HAVE_DECL_MEMRCHR=1;		AC_SUBST([HAVE_DECL_MEMRCHR])
+  HAVE_STPCPY=1;		AC_SUBST([HAVE_STPCPY])
+  HAVE_STPNCPY=1;		AC_SUBST([HAVE_STPNCPY])
+  HAVE_STRCASECMP=1;		AC_SUBST([HAVE_STRCASECMP])
+  HAVE_DECL_STRNCASECMP=1;	AC_SUBST([HAVE_DECL_STRNCASECMP])
+  HAVE_STRCHRNUL=1;		AC_SUBST([HAVE_STRCHRNUL])
+  HAVE_DECL_STRDUP=1;		AC_SUBST([HAVE_DECL_STRDUP])
+  HAVE_STRNDUP=1;		AC_SUBST([HAVE_STRNDUP])
+  HAVE_DECL_STRNDUP=1;		AC_SUBST([HAVE_DECL_STRNDUP])
+  HAVE_DECL_STRNLEN=1;		AC_SUBST([HAVE_DECL_STRNLEN])
+  HAVE_STRPBRK=1;		AC_SUBST([HAVE_STRPBRK])
+  HAVE_STRSEP=1;		AC_SUBST([HAVE_STRSEP])
+  HAVE_STRCASESTR=1;		AC_SUBST([HAVE_STRCASESTR])
+  HAVE_DECL_STRTOK_R=1;		AC_SUBST([HAVE_DECL_STRTOK_R])
 ])
diff --git a/gl/m4/unistd_h.m4 b/gl/m4/unistd_h.m4
index d38de90..628b818 100644
--- a/gl/m4/unistd_h.m4
+++ b/gl/m4/unistd_h.m4
@@ -1,39 +1,51 @@
-# unistd_h.m4 serial 4
+# unistd_h.m4 serial 5
 dnl Copyright (C) 2006-2007 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
 
-dnl Written by Simon Josefsson
+dnl Written by Simon Josefsson, Bruno Haible.
 
-AC_DEFUN([gl_HEADER_UNISTD],
+AC_DEFUN([gl_UNISTD_H],
 [
   dnl Use AC_REQUIRE here, so that the default behavior below is expanded
   dnl once only, before all statements that occur in other macros.
-  AC_REQUIRE([gl_HEADER_UNISTD_DEFAULTS])
+  AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
 
-  AC_CHECK_HEADERS([unistd.h], [], [
-    UNISTD_H='unistd.h'
-  ])
-  dnl This module decides to build unistd.h if it is missing.
-  dnl The fchdir module decides to build unistd.h if fchdir() is missing.
-  dnl Therefore check for the prerequisites of lib/unistd.h always.
-  gl_PREREQ_UNISTD
-])
-
-dnl Prerequisites of lib/unistd.h.
-AC_DEFUN([gl_PREREQ_UNISTD],
-[
   AC_CHECK_HEADERS_ONCE([unistd.h])
   if test $ac_cv_header_unistd_h = yes; then
+    HAVE_UNISTD_H=1
     gl_ABSOLUTE_HEADER([unistd.h])
     ABSOLUTE_UNISTD_H=\"$gl_cv_absolute_unistd_h\"
+  else
+    HAVE_UNISTD_H=0
   fi
+  AC_SUBST([HAVE_UNISTD_H])
   AC_SUBST([ABSOLUTE_UNISTD_H])
 ])
 
-AC_DEFUN([gl_HEADER_UNISTD_DEFAULTS],
+AC_DEFUN([gl_UNISTD_MODULE_INDICATOR],
+[
+  dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
+  AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
+  GNULIB_[]m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./-],[ABCDEFGHIJKLMNOPQRSTUVWXYZ___])=1
+])
+
+AC_DEFUN([gl_UNISTD_H_DEFAULTS],
 [
-  UNISTD_H=
-  AC_SUBST(UNISTD_H)
+  GNULIB_CHOWN=0;         AC_SUBST([GNULIB_CHOWN])
+  GNULIB_DUP2=0;          AC_SUBST([GNULIB_DUP2])
+  GNULIB_FCHDIR=0;        AC_SUBST([GNULIB_FCHDIR])
+  GNULIB_FTRUNCATE=0;     AC_SUBST([GNULIB_FTRUNCATE])
+  GNULIB_GETCWD=0;        AC_SUBST([GNULIB_GETCWD])
+  GNULIB_GETLOGIN_R=0;    AC_SUBST([GNULIB_GETLOGIN_R])
+  GNULIB_READLINK=0;      AC_SUBST([GNULIB_READLINK])
+  dnl Assume proper GNU behavior unless another module says otherwise.
+  HAVE_DUP2=1;            AC_SUBST([HAVE_DUP2])
+  HAVE_FTRUNCATE=1;       AC_SUBST([HAVE_FTRUNCATE])
+  HAVE_READLINK=1;        AC_SUBST([HAVE_READLINK])
+  HAVE_DECL_GETLOGIN_R=1; AC_SUBST([HAVE_DECL_GETLOGIN_R])
+  REPLACE_CHOWN=0;        AC_SUBST([REPLACE_CHOWN])
+  REPLACE_FCHDIR=0;       AC_SUBST([REPLACE_FCHDIR])
+  REPLACE_GETCWD=0;       AC_SUBST([REPLACE_GETCWD])
 ])