2 dnl Copyright (C) 2002,2003,2004,2005,2006,2007 Free Software Foundation, Inc.
3 dnl This file is free software; the Free Software Foundation
4 dnl gives unlimited permission to copy and/or distribute it,
5 dnl with or without modifications, as long as this notice is preserved.
7 # The getopt module assume you want GNU getopt, with getopt_long etc,
8 # rather than vanilla POSIX getopt. This means your your code should
9 # always include <getopt.h> for the getopt prototypes.
11 AC_DEFUN([gl_GETOPT_SUBSTITUTE],
15 gl_GETOPT_SUBSTITUTE_HEADER
19 AC_DEFUN([gl_GETOPT_SUBSTITUTE_HEADER],
22 AC_DEFINE([__GETOPT_PREFIX], [[rpl_]],
23 [Define to rpl_ if the getopt replacement functions and variables
28 AC_DEFUN([gl_GETOPT_CHECK_HEADERS],
31 AC_CHECK_HEADERS([getopt.h], [], [GETOPT_H=getopt.h])
32 if test -z "$GETOPT_H"; then
33 AC_CHECK_FUNCS([getopt_long_only], [], [GETOPT_H=getopt.h])
36 dnl BSD getopt_long uses an incompatible method to reset option processing,
37 dnl and (as of 2004-10-15) mishandles optional option-arguments.
38 if test -z "$GETOPT_H"; then
39 AC_CHECK_DECL([optreset], [GETOPT_H=getopt.h], [], [#include <getopt.h>])
42 dnl Solaris 10 getopt doesn't handle `+' as a leading character in an
43 dnl option string (as of 2005-05-05).
44 if test -z "$GETOPT_H"; then
45 AC_CACHE_CHECK([for working GNU getopt function], [gl_cv_func_gnu_getopt],
47 [AC_LANG_PROGRAM([#include <getopt.h>],
50 myargv[0] = "conftest";
53 return getopt (2, myargv, "+a") != '?';
55 [gl_cv_func_gnu_getopt=yes],
56 [gl_cv_func_gnu_getopt=no],
57 [dnl cross compiling - pessimistically guess based on decls
58 dnl Solaris 10 getopt doesn't handle `+' as a leading character in an
59 dnl option string (as of 2005-05-05).
60 AC_CHECK_DECL([getopt_clip],
61 [gl_cv_func_gnu_getopt=no], [gl_cv_func_gnu_getopt=yes],
62 [#include <getopt.h>])])])
63 if test "$gl_cv_func_gnu_getopt" = "no"; then
69 AC_DEFUN([gl_GETOPT_IFELSE],
71 AC_REQUIRE([gl_GETOPT_CHECK_HEADERS])
72 AS_IF([test -n "$GETOPT_H"], [$1], [$2])
75 AC_DEFUN([gl_GETOPT], [gl_GETOPT_IFELSE([gl_GETOPT_SUBSTITUTE])])
77 # Prerequisites of lib/getopt*.
78 AC_DEFUN([gl_PREREQ_GETOPT], [:])
80 ifelse(dnl Do not change this comment
81 arch-tag: 6c64a021-551c-4a7f-9c63-cd7e1ce54707