diff options
Diffstat (limited to 'm4/getopt.m4')
-rw-r--r-- | m4/getopt.m4 | 42 |
1 files changed, 38 insertions, 4 deletions
diff --git a/m4/getopt.m4 b/m4/getopt.m4 index df602b985..5ab357023 100644 --- a/m4/getopt.m4 +++ b/m4/getopt.m4 @@ -1,13 +1,47 @@ -# getopt.m4 serial 2 -dnl Copyright (C) 2002, 2003 Free Software Foundation, Inc. +# getopt.m4 serial 3 +dnl Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc. dnl This file is free software, distributed under the terms of the GNU dnl General Public License. As a special exception to the GNU General dnl Public License, this file may be distributed as part of a program dnl that contains a configuration script generated by Autoconf, under dnl the same distribution terms as the rest of that program. +# The getopt module assume you want GNU getopt, with getopt_long etc, +# rather than vanilla POSIX getopt. This means your your code should +# always include <getopt.h> for the getopt prototypes. + +AC_DEFUN([gl_GETOPT_SUBSTITUTE], +[ + GETOPT_H=getopt.h + AC_LIBOBJ([getopt]) + AC_LIBOBJ([getopt1]) + AC_DEFINE([optarg], [rpl_optarg], + [Define to rpl_optarg if the replacement variable should be used.]) + AC_DEFINE([optind], [rpl_optind], + [Define to rpl_optind if the replacement variable should be used.]) + AC_DEFINE([optopt], [rpl_optopt], + [Define to rpl_optopt if the replacement variable should be used.]) + AC_DEFINE([getopt], [rpl_getopt], + [Define to rpl_getopt if the replacement function should be used.]) + AC_DEFINE([getopt_long], [rpl_getopt_long], + [Define to rpl_getopt_long if the replacement function should be used.]) + AC_DEFINE([getopt_long_only], [rpl_getopt_long_only], + [Define to rpl_getopt_long_only if the replacement function should be used.]) + AC_SUBST([GETOPT_H]) +]) + AC_DEFUN([gl_GETOPT], [ - dnl Prerequisites of lib/getopt.c. - : + gl_PREREQ_GETOPT + + GETOPT_H= + AC_CHECK_HEADERS([getopt.h], [], [GETOPT_H=getopt.h]) + AC_CHECK_FUNCS([getopt_long_only], [], [GETOPT_H=getopt.h]) + + if test -n "$GETOPT_H"; then + gl_GETOPT_SUBSTITUTE + fi ]) + +# Prerequisites of lib/getopt*. +AC_DEFUN([gl_PREREQ_GETOPT], [:]) |