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authorPaul Eggert <eggert@cs.ucla.edu>2004-08-20 02:10:15 +0000
committerPaul Eggert <eggert@cs.ucla.edu>2004-08-20 02:10:15 +0000
commit529a7c21fd1950e3a1e5a4ec429b6e2c12f619d8 (patch)
tree9a4e62d84b9123b7ed14fbe3f071e1d5436e6487 /m4/getopt.m4
parent463f2060b7f399676d25a598aa4ec45ec8e3cb07 (diff)
downloadcoreutils-529a7c21fd1950e3a1e5a4ec429b6e2c12f619d8.tar.xz
Sync getopt from gnulib.
Diffstat (limited to 'm4/getopt.m4')
-rw-r--r--m4/getopt.m442
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], [:])