Imported Upstream version 2.3.1upstream/2.3.1upstream

1 files changed, 617 insertions, 0 deletions

diff --git a/configure.ac b/configure.ac
new file mode 100644
index 0000000..0646919
--- /dev/null
+++ b/configure.ac
@@ -0,0 +1,617 @@
+# Configuration for GNU nano - a small and user-friendly text editor
+#
+# Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
+# Free Software Foundation, Inc.
+#
+# GNU nano is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by the
+# Free Software Foundation; either version 3, or (at your option) any
+# later version.
+#
+# GNU nano is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with GNU nano; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301,
+# USA.
+#
+# $Id: configure.ac 4538 2011-02-26 14:41:55Z astyanax $
+
+AC_INIT([GNU nano], [2.3.1], [nano-devel@gnu.org], [nano])
+AC_CONFIG_SRCDIR([src/nano.c])
+AC_CANONICAL_TARGET([])
+AM_INIT_AUTOMAKE
+AC_CONFIG_HEADERS([config.h])
+
+AC_PREREQ(2.54)
+
+dnl Checks for programs.
+
+AC_GNU_SOURCE
+AC_PROG_CC
+AC_PROG_LN_S
+AC_ISC_POSIX
+AC_SYS_LARGEFILE
+
+dnl Internationalization macros.
+
+AM_GNU_GETTEXT_VERSION(0.11.5)
+AM_GNU_GETTEXT([external], [need-ngettext])
+AM_CONDITIONAL(USE_NLS, test x$USE_NLS = xyes)
+
+dnl Data location.
+
+pkgdatadir=${datadir}/${PACKAGE}
+AC_DEFINE_DIR([PKGDATADIR], [pkgdatadir], [Where data are placed to.])
+
+dnl Checks for header files.
+
+AC_HEADER_STDC
+AC_CHECK_HEADERS(getopt.h libintl.h limits.h regex.h sys/param.h wchar.h wctype.h stdarg.h magic.h)
+
+dnl Checks for options.
+
+AC_ARG_ENABLE(debug,
+[  --enable-debug          Enable debugging (disabled by default)],
+[if test x$enableval = xyes; then
+    AC_DEFINE(DEBUG, 1, [Define this to enable debug messages and assert warnings.]) debug_support=yes
+fi])
+
+if test x$debug_support != xyes; then
+    AC_DEFINE(NDEBUG, 1, [Shut up assert warnings :-)])
+fi
+
+AC_ARG_ENABLE(tiny,
+[  --enable-tiny           Disable features for the sake of size],
+[if test x$enableval = xyes; then
+    AC_DEFINE(NANO_TINY, 1, [Define this to make the nano executable as small as possible.]) tiny_support=yes
+    AC_DEFINE(DISABLE_BROWSER, 1, [Define this to disable the built-in file browser.])
+    AC_DEFINE(DISABLE_HELP, 1, [Define this to disable the help text display.])
+    AC_DEFINE(DISABLE_JUSTIFY, 1, [Define this to disable the justify routines.])
+    AC_DEFINE(DISABLE_MOUSE, 1, [Define this to disable the mouse support.])
+    AC_DEFINE(DISABLE_OPERATINGDIR, 1, [Define this to disable the setting of the operating directory (chroot of sorts).])
+    AC_DEFINE(DISABLE_SPELLER, 1, [Define this to disable the spell checker functions.])
+    AC_DEFINE(DISABLE_TABCOMP, 1, [Define to disable the tab completion functions for files and search strings.])
+    AC_DEFINE(DISABLE_WRAPPING, 1, [Define this to disable all text wrapping.])
+fi])
+
+
+AC_ARG_ENABLE(extra,
+[  --disable-extra          Disable extra features, currently only easter eggs],
+[if test x$enableval != xno; then
+    AC_DEFINE(NANO_EXTRA, 1, [Define this to enable extra stuff.]) extra_support=yes
+fi], 
+    [if test x$enable_tiny != xyes; then
+        AC_DEFINE(NANO_EXTRA, 1, [Define this to enable extra stuff.]) extra_support=yes
+    fi])
+
+AC_ARG_ENABLE(browser,
+[  --disable-browser       Disable built-in file browser],
+[if test x$enableval != xyes; then
+    AC_DEFINE(DISABLE_BROWSER, 1, [Define this to disable the built-in file browser.])
+fi])
+
+AC_ARG_ENABLE(help,
+[  --disable-help          Disable help functions],
+[if test x$enableval != xyes; then
+    AC_DEFINE(DISABLE_HELP, 1, [Define this to disable the help text display.])
+fi])
+
+AC_ARG_ENABLE(justify,
+[  --disable-justify       Disable justify/unjustify functions],
+[if test x$enableval != xyes; then
+    AC_DEFINE(DISABLE_JUSTIFY, 1, [Define this to disable the justify routines.])
+fi])
+
+AC_ARG_ENABLE(mouse,
+[  --disable-mouse         Disable mouse support (and -m flag)],
+[if test x$enableval != xyes; then
+    AC_DEFINE(DISABLE_MOUSE, 1, [Define this to disable the mouse support.])
+fi])
+
+AC_ARG_ENABLE(operatingdir,
+[  --disable-operatingdir  Disable setting of operating directory (chroot of sorts)],
+[if test x$enableval != xyes; then
+    AC_DEFINE(DISABLE_OPERATINGDIR, 1, [Define this to disable the setting of the operating directory (chroot of sorts).])
+fi])
+
+AC_ARG_ENABLE(speller,
+[  --disable-speller       Disable spell checker functions],
+[if test x$enableval != xyes; then
+    AC_DEFINE(DISABLE_SPELLER, 1, [Define this to disable the spell checker functions.])
+fi])
+
+AC_ARG_ENABLE(tabcomp,
+[  --disable-tabcomp       Disable tab completion functions],
+[if test x$enableval != xyes; then
+    AC_DEFINE(DISABLE_TABCOMP, 1, [Define to disable the tab completion functions for files and search strings.])
+fi])
+
+AC_ARG_ENABLE(wrapping,
+[  --disable-wrapping      Disable all wrapping of text (and -w flag)],
+[if test x$enableval != xyes; then
+    AC_DEFINE(DISABLE_WRAPPING, 1, [Define this to disable all text wrapping.])
+fi])
+
+AC_ARG_ENABLE(wrapping-as-root,
+[  --disable-wrapping-as-root  Disable wrapping of text as root by default],
+[if test x$enableval != xyes; then
+    AC_DEFINE(DISABLE_ROOTWRAPPING, 1, [Define this to disable text wrapping as root by default.])
+fi])
+
+AC_ARG_ENABLE(color,
+[  --disable-color          Disable color and syntax highlighting],
+if test x$enableval != xno; then
+    if test x$ac_cv_header_regex_h = xyes; then
+	AC_DEFINE(ENABLE_NANORC, 1, [Define this to use .nanorc files.]) nanorc_support=yes
+	AC_DEFINE(ENABLE_COLOR, 1, [Define this to have syntax highlighting, requires regex.h and ENABLE_NANORC too!]) color_support=yes
+    else
+	AC_MSG_ERROR([
+*** The header file regex.h was not found.  If you wish to use color
+*** support this header file is required.  Please either install C
+*** libraries that include the regex.h file or call the configure
+*** script with --disable-color.])
+    fi
+fi, 
+    if test x$enable_tiny != xyes; then
+	if test x$ac_cv_header_regex_h = xyes; then
+	    AC_DEFINE(ENABLE_NANORC, 1, [Define this to use .nanorc files.]) nanorc_support=yes
+	    AC_DEFINE(ENABLE_COLOR, 1, [Define this to have syntax highlighting, requires regex.h and ENABLE_NANORC too!]) color_support=yes	
+	else
+	    AC_MSG_ERROR([
+*** The header file regex.h was not found.  If you wish to use color
+*** support this header file is required.  Please either install C
+*** libraries that include the regex.h file or call the configure
+*** script with --disable-color.])
+	fi
+    fi
+)
+
+AC_ARG_ENABLE(multibuffer,
+[  --disable-multibuffer    Disable multiple file buffers],
+[if test x$enableval != xno; then
+    AC_DEFINE(ENABLE_MULTIBUFFER, 1, [Define this to enable multiple file buffers.]) multibuffer_support=yes
+fi], 
+    [if test x$enable_tiny != xyes; then
+        AC_DEFINE(ENABLE_MULTIBUFFER, 1, [Define this to enable multiple file buffers.]) multibuffer_support=yes
+    fi])
+
+AC_ARG_ENABLE(nanorc,
+[  --disable-nanorc         Disable use of .nanorc files],
+[if test x$enableval != xno; then
+    AC_DEFINE(ENABLE_NANORC, 1, [Define this to use .nanorc files.]) nanorc_support=yes
+fi], 
+    [if test x$enable_tiny != xyes; then
+        AC_DEFINE(ENABLE_NANORC, 1, [Define this to use .nanorc files.]) nanorc_support=yes
+    fi])
+
+AC_ARG_ENABLE(all,
+[  --enable-all            Enable ALL extra nano functionality (ignored for compatibility as all options default to on)],
+[if test x$enableval = xyes; then
+    echo "--enable-all option no longer needed, ignoring for compatibility"
+fi])
+
+AC_MSG_CHECKING([whether to enable UTF-8 support])
+AC_ARG_ENABLE(utf8,
+[  --enable-utf8           Enable UTF-8 support],
+[if test x$enableval = xyes; then
+    enable_utf8=yes
+else
+    enable_utf8=no
+fi],
+[enable_utf8=auto])
+AC_MSG_RESULT($enable_utf8)
+
+AC_MSG_CHECKING([whether to use slang])
+CURSES_LIB_NAME=""
+AC_ARG_WITH(slang,
+[  --with-slang[=DIR]      Use the slang library instead of curses],
+[    case "$with_slang" in
+    no)
+	AC_MSG_RESULT(no)
+	;;
+    *)
+	AC_MSG_RESULT(yes)
+
+	if test x$with_slang != xyes; then
+	    # Add additional search path
+	    LDFLAGS="-L$with_slang/lib $LDFLAGS"
+	    CPPFLAGS="-I$with_slang/include $CPPFLAGS"
+	fi
+
+	if test x$enable_utf8 != xno; then
+	    AC_CHECK_HEADER(slcurses.h,
+		AC_MSG_CHECKING([for SLutf8_enable in -lslang])
+		_libs=$LIBS
+		LIBS="$LIBS -lslang"
+		AC_TRY_RUN([
+#include <slcurses.h>
+int main(void)
+{
+    SLutf8_enable(1);
+    return 0;
+}],
+		    [AC_MSG_RESULT(yes)
+		    AC_DEFINE(USE_SLANG, 1, [Define to use the slang wrappers for curses instead of native curses.]) slang_support=yes
+		    CURSES_LIB_WIDE=yes
+		    if test x$with_slang != xyes; then
+			CURSES_LIB="-L${with_slang}/lib -lslang"
+		    else
+			CURSES_LIB="-lslang"
+		    fi
+		    CURSES_LIB_NAME=slang],
+		    [AC_MSG_RESULT(no)
+
+		    # We might need the term library
+		    for termlib in ncurses curses termcap terminfo termlib; do
+			AC_CHECK_LIB([${termlib}], tputs, [tcap="-l$termlib"])
+			test -n "$tcap" && break
+		    done
+
+		    AC_MSG_CHECKING([for SLutf8_enable in -lslang $tcap])
+		    LIBS="$LIBS $tcap"
+		    AC_TRY_RUN([
+#include <slcurses.h>
+int main(void)
+{
+    SLutf8_enable(1);
+    return 0;
+}],
+			[AC_MSG_RESULT(yes)
+			AC_DEFINE(USE_SLANG, 1, [Define to use the slang wrappers for curses instead of native curses.]) slang_support=yes
+			CURSES_LIB_WIDE=yes
+			if test x$with_slang != xyes; then
+			    CURSES_LIB="-L${with_slang}/lib -lslang $tcap"
+			else
+			    CURSES_LIB="-lslang $tcap"
+			fi
+			CURSES_LIB_NAME=slang],
+			[AC_MSG_RESULT(no)
+
+			# We might need the math library
+			AC_MSG_CHECKING([for SLutf8_enable in -lslang $tcap -lm])
+			LIBS="$LIBS -lm"
+			AC_TRY_RUN([
+#include <slcurses.h>
+int main(void)
+{
+    SLutf8_enable(1);
+    return 0;
+}],
+			    [AC_MSG_RESULT(yes)
+			    AC_DEFINE(USE_SLANG, 1, [Define to use the slang wrappers for curses instead of native curses.]) slang_support=yes
+			    CURSES_LIB_WIDE=yes
+			    if test x$with_slang != xyes; then
+				CURSES_LIB="-L${with_slang}/lib -lslang $tcap -lm"
+			    else
+				CURSES_LIB="-lslang $tcap -lm"
+			    fi
+			    CURSES_LIB_NAME=slang],
+			    [AC_MSG_RESULT(no)],
+    AC_MSG_WARN([*** Can not use slang when cross-compiling]))],
+    AC_MSG_WARN([*** Can not use slang when cross-compiling]))],
+    AC_MSG_WARN([*** Can not use slang when cross-compiling])),
+	    AC_MSG_ERROR([
+*** The header file slcurses.h was not found.  If you wish to use
+*** slang support this header file is required.  Please either
+*** install a version of slang that includes the slcurses.h file or
+*** do not call the configure script with --with-slang.]))
+	fi
+
+	if eval "test x$CURSES_LIB_NAME = x"; then
+	    # Reset libs if the above slang tests failed
+	    if test x$enable_utf8 != xno; then
+		LIBS=$_libs
+	    fi
+
+	    AC_CHECK_HEADER(slcurses.h,
+		AC_MSG_CHECKING([for SLtt_initialize in -lslang])
+		_libs=$LIBS
+		LIBS="$LIBS -lslang"
+		AC_TRY_RUN([
+#include <slcurses.h>
+int main(void)
+{
+    SLtt_initialize(NULL);
+    return 0;
+}],
+		    [AC_MSG_RESULT(yes)
+		    AC_DEFINE(USE_SLANG, 1, [Define to use the slang wrappers for curses instead of native curses.]) slang_support=yes
+		    if test x$with_slang != xyes; then
+			CURSES_LIB="-L${with_slang}/lib -lslang"
+		    else
+			CURSES_LIB="-lslang"
+		    fi
+		    CURSES_LIB_NAME=slang],
+		    [AC_MSG_RESULT(no)
+
+		    # We might need the term library
+		    for termlib in ncurses curses termcap terminfo termlib; do
+			AC_CHECK_LIB([${termlib}], tputs, [tcap="-l$termlib"])
+			test -n "$tcap" && break
+		    done
+
+		    AC_MSG_CHECKING([for SLtt_initialize in -lslang $tcap])
+		    LIBS="$LIBS $tcap"
+		    AC_TRY_RUN([
+#include <slcurses.h>
+int main(void)
+{
+    SLtt_initialize(NULL);
+    return 0;
+}],
+			[AC_MSG_RESULT(yes)
+			AC_DEFINE(USE_SLANG, 1, [Define to use the slang wrappers for curses instead of native curses.]) slang_support=yes
+			if test x$with_slang != xyes; then
+			    CURSES_LIB="-L${with_slang}/lib -lslang $tcap"
+			else
+			    CURSES_LIB="-lslang $tcap"
+			fi
+			CURSES_LIB_NAME=slang],
+			[AC_MSG_RESULT(no)
+
+			# We might need the math library
+			AC_MSG_CHECKING([for SLtt_initialize in -lslang $tcap -lm])
+			LIBS="$LIBS -lm"
+			AC_TRY_RUN([
+#include <slcurses.h>
+int main(void)
+{
+    SLtt_initialize(NULL);
+    return 0;
+}],
+			    [AC_MSG_RESULT(yes)
+			    AC_DEFINE(USE_SLANG, 1, [Define to use the slang wrappers for curses instead of native curses.]) slang_support=yes
+			    if test x$with_slang != xyes; then
+				CURSES_LIB="-L${with_slang}/lib -lslang $tcap -lm"
+			    else
+				CURSES_LIB="-lslang $tcap -lm"
+			    fi
+			    CURSES_LIB_NAME=slang],
+			    [AC_MSG_RESULT(no)],
+    AC_MSG_WARN([*** Can not use slang when cross-compiling]))],
+    AC_MSG_WARN([*** Can not use slang when cross-compiling]))],
+    AC_MSG_WARN([*** Can not use slang when cross-compiling])),
+	    AC_MSG_ERROR([
+*** The header file slcurses.h was not found.  If you wish to use
+*** slang support this header file is required.  Please either
+*** install a version of slang that includes the slcurses.h file or
+*** do not call the configure script with --with-slang.]))
+	fi
+
+	if test "${_libs+set}" = "set"; then
+	    LIBS=$_libs
+	fi
+
+	if test x$with_slang != xyes; then
+	    LDFLAGS=${_ldflags}
+	fi
+	;;
+    esac], [AC_MSG_RESULT(no)])
+
+if test x$CURSES_LIB_NAME = xslang; then
+    AC_DEFINE(NANO_TINY, 1, [Define this to make the nano executable as small as possible.]) tiny_support=yes
+    AC_DEFINE(DISABLE_BROWSER, 1, [Define this to disable the built-in file browser.])
+    AC_DEFINE(DISABLE_HELP, 1, [Define this to disable the help text display.])
+    AC_DEFINE(DISABLE_JUSTIFY, 1, [Define this to disable the justify routines.])
+    AC_DEFINE(DISABLE_MOUSE, 1, [Define this to disable the mouse support.])
+    AC_DEFINE(DISABLE_OPERATINGDIR, 1, [Define this to disable the setting of the operating directory (chroot of sorts).])
+    AC_DEFINE(DISABLE_SPELLER, 1, [Define this to disable the spell checker functions.])
+    AC_DEFINE(DISABLE_TABCOMP, 1, [Define to disable the tab completion functions for files and search strings.])
+    AC_DEFINE(DISABLE_WRAPPING, 1, [Define this to disable all text wrapping.])
+fi
+
+AM_CONDITIONAL(USE_COLOR, test x$color_support = xyes)
+AM_CONDITIONAL(USE_NANORC, test x$nanorc_support = xyes)
+
+AC_ARG_ENABLE(altrcname,
+[  --enable-altrcname          Specify alternate rcfile name (default: .nanorc)],
+[if test x$enableval != no; then
+    AC_DEFINE_UNQUOTED(RCFILE_NAME, "$enableval", [Specify alternate rcfile name (default: .nanorc)]) rcfilename=$enableval
+fi])
+
+dnl Checks for functions.
+
+AC_CHECK_FUNCS(getdelim getline isblank strcasecmp strcasestr strncasecmp strnlen vsnprintf)
+
+if test x$enable_utf8 != xno; then
+    AC_CHECK_FUNCS(iswalnum iswblank iswpunct iswspace nl_langinfo mblen mbstowcs mbtowc wctomb wcwidth)
+fi
+
+if test x$ac_cv_func_vsnprintf = xno; then
+    AM_PATH_GLIB_2_0(2.0.0,,
+	AC_MSG_ERROR([
+*** vsnprintf() not found.  GLIB 2.x not found either.  You should
+*** install the GLIB 2.x library which can be found at
+*** ftp://ftp.gtk.org/.]),
+	glib)
+fi
+
+dnl Checks for typedefs, structures, and compiler characteristics.
+
+dnl Checks for library functions.
+AC_TYPE_SIGNAL
+AC_FUNC_VPRINTF
+AC_CHECK_FUNCS(getopt_long)
+dnl Checks for libraries.
+
+if eval "test x$CURSES_LIB_NAME = x"; then
+    AC_CHECK_HEADERS(ncurses.h)
+
+    if test x$enable_utf8 != xno; then
+	AC_CHECK_LIB(ncursesw, get_wch, [CURSES_LIB="-lncursesw" CPPFLAGS="-I/usr/include/ncursesw $CPPFLAGS" CURSES_LIB_NAME=ncursesw CURSES_LIB_WIDE=yes])
+    fi
+
+    if eval "test x$CURSES_LIB_NAME = x"; then
+	AC_CHECK_LIB(ncurses, initscr, [CURSES_LIB="-lncurses" CURSES_LIB_NAME=ncurses])
+    fi
+fi
+
+if eval "test x$CURSES_LIB_NAME = x"; then
+    AC_CHECK_HEADERS(curses.h)
+
+    if test x$enable_utf8 != xno; then
+	AC_CHECK_LIB(curses, get_wch, [CURSES_LIB="-lcurses" CURSES_LIB_NAME=curses CURSES_LIB_WIDE=yes])
+    fi
+
+    if eval "test x$CURSES_LIB_NAME = x"; then
+	 AC_CHECK_LIB(curses, initscr, [CURSES_LIB="-lcurses" CURSES_LIB_NAME=curses])
+    fi
+fi
+
+if eval "test x$CURSES_LIB_NAME = x"; then
+    AC_MSG_WARN([
+*** No curses lib available.  Consider getting the official ncurses
+*** distribution from ftp://ftp.gnu.org/pub/gnu/ncurses if you get
+*** errors compiling nano.])
+else
+    AC_MSG_RESULT([Using $CURSES_LIB_NAME as the curses library])
+fi
+
+AC_CHECK_LIB([$CURSES_LIB_NAME], use_default_colors, AC_DEFINE(HAVE_USE_DEFAULT_COLORS, 1, [Define this if your curses library has the use_default_colors() command.]))
+
+dnl Parse any configure options.
+
+LIBS="$LIBS $CURSES_LIB"
+
+AC_SUBST(CURSES_LIB)
+
+if test "x$GLIB_CFLAGS" != "x"; then
+    CFLAGS="$CFLAGS $GLIB_CFLAGS"
+fi
+if test "x$GLIB_LIBS" != "x"; then
+    LDFLAGS="$LDFLAGS $GLIB_LIBS"
+fi
+
+if test x$enable_utf8 != xno && \
+    test x$CURSES_LIB_WIDE = xyes && \
+    test x$ac_cv_func_iswalnum = xyes && \
+    test x$ac_cv_func_iswpunct = xyes && \
+    (test x$ac_cv_func_iswblank = xyes || test x$ac_cv_func_iswspace = xyes) && \
+    test x$ac_cv_func_nl_langinfo = xyes && \
+    test x$ac_cv_func_mblen = xyes && \
+    test x$ac_cv_func_mbstowcs = xyes && \
+    test x$ac_cv_func_mbtowc = xyes && \
+    test x$ac_cv_func_wctomb = xyes && \
+    test x$ac_cv_func_wcwidth = xyes; then
+	AC_DEFINE(ENABLE_UTF8, 1, [Define this if your system has sufficient UTF-8 support (a wide curses library, iswalnum(), iswpunct(), iswblank() or iswspace(), nl_langinfo, mblen(), mbstowcs(), mbtowc(), wctomb(), and wcwidth()).])
+else
+    if test x$enable_utf8 = xyes; then
+	AC_MSG_ERROR([
+*** UTF-8 support was requested, but insufficient UTF-8 support was
+*** detected in your curses and/or C libraries.  Please verify that your
+*** slang was built with UTF-8 support or your curses was built with
+*** wide character support, and that your C library was built with wide
+*** character support.])
+    elif test x$enable_utf8 != xno; then
+	AC_MSG_WARN([
+*** Insufficient UTF-8 support was detected in your curses and/or C
+*** libraries.  If you want UTF-8 support, please verify that your slang
+*** was built with UTF-8 support or your curses was built with wide
+*** character support, and that your C library was built with wide
+*** character support.])
+    fi
+fi
+
+if test x$color_support = xyes; then
+	# now check for the end of word boundary support (/< and />)
+	AC_MSG_CHECKING([for GNU-style word boundary regex support])
+	AC_TRY_RUN([
+#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+#include <regex.h>
+int main(void)
+{
+    regex_t r;
+    size_t nmatch;
+    regmatch_t pmatch;
+
+    if (regcomp(&r, "\\\\>", REG_EXTENDED|REG_NOSUB))
+        return 1;
+    if (regexec(&r, "word boundary", nmatch, &pmatch, 0))
+        return 1;
+    return 0;
+}],
+	AC_MSG_RESULT(yes)
+	AC_DEFINE(GNU_WORDBOUNDS, 1, [Define if the system supports GNU-style word boundaries in regexes.]) gnu_wordbounds=yes,
+	AC_MSG_RESULT(no),
+        AC_MSG_WARN([*** Can't check for GNU-style word boundary support when cross-compiling])
+)
+#    if test x$CURSES_LIB_NAME = xcurses; then
+	AC_MSG_CHECKING([whether _XOPEN_SOURCE_EXTENDED is needed])
+	AC_TRY_RUN([
+#include <curses.h>
+int main(void)
+{
+    int testcolor = COLOR_WHITE;
+    return 0;
+}], AC_MSG_RESULT(no),
+        AC_TRY_RUN([
+#ifndef _XOPEN_SOURCE_EXTENDED
+#define _XOPEN_SOURCE_EXTENDED 1
+#endif
+#include <curses.h>
+int main(void)
+{
+    int testcolor = COLOR_WHITE;
+    return 0;
+}],
+	AC_DEFINE(NEED_XOPEN_SOURCE_EXTENDED, 1, [Define this if you need the _XOPEN_SOURCE_EXTENDED macro for color support])
+	AC_MSG_RESULT(yes),
+	AC_MSG_RESULT(not sure)
+	AC_MSG_WARN([*** Couldn't successfully compile basic color test with or without _XOPEN_SOURCE_EXTENDED])
+	AC_MSG_WARN([*** This build may not compile. Consider configuring with --disable-color or installing ncurses])),
+	AC_MSG_WARN([*** Can't check need for _XOPEN_SOURCE_EXTENDED when cross-compiling]))
+    fi
+#fi
+
+AC_MSG_CHECKING([whether LINES and COLS can be redefined])
+AC_TRY_RUN([
+#include <curses.h>
+int main(void)
+{
+    LINES = 80;
+    COLS = 25;
+    return 0;
+}], 
+AC_DEFINE(REDEFINIG_MACROS_OK, 1, [Define this if you know your curses library allows LINES and COLS to be redefined to deal with a resizing bug])
+AC_MSG_RESULT(yes),
+AC_MSG_RESULT(no),
+AC_MSG_WARN([*** Can't check for macro redefinability when cross-compiling]))
+
+AC_CHECK_LIB(magic, magic_open)
+
+# Check for groff html support
+AC_MSG_CHECKING([for HTML support in groff])
+groff -t -mandoc -Thtml </dev/null >/dev/null
+if test $? -ne 0 ; then 
+    echo "no"
+    echo "*** Will not generate HTML version of man pages  ***"
+    echo "*** Consider installing a newer version of groff with HTML support ***"
+    groff_html_support=no
+else
+    echo "yes"
+    groff_html_support=yes
+fi
+AM_CONDITIONAL(GROFF_HTML, test x$groff_html_support = xyes)
+
+
+AC_CONFIG_FILES([
+Makefile
+doc/Makefile
+doc/nanorc.sample
+doc/man/Makefile
+doc/man/fr/Makefile
+doc/syntax/Makefile
+doc/texinfo/Makefile
+m4/Makefile
+po/Makefile.in
+src/Makefile
+nano.spec
+])
+
+AC_OUTPUT