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comparison m4/getopt.m4 @ 267:bec6d2480f08 2.6

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Added add'l generated files for release
author lost
date Tue, 22 Dec 2009 05:33:32 +0000
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266:5f25e7afac21 267:bec6d2480f08
1 # getopt.m4 serial 14
2 dnl Copyright (C) 2002-2006, 2008 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.
6
7 # The getopt module assume you want GNU getopt, with getopt_long etc,
8 # rather than vanilla POSIX getopt. This means your code should
9 # always include <getopt.h> for the getopt prototypes.
10
11 AC_DEFUN([gl_GETOPT_SUBSTITUTE],
12 [
13 AC_LIBOBJ([getopt])
14 AC_LIBOBJ([getopt1])
15 gl_GETOPT_SUBSTITUTE_HEADER
16 gl_PREREQ_GETOPT
17 ])
18
19 AC_DEFUN([gl_GETOPT_SUBSTITUTE_HEADER],
20 [
21 GETOPT_H=getopt.h
22 AC_DEFINE([__GETOPT_PREFIX], [[rpl_]],
23 [Define to rpl_ if the getopt replacement functions and variables
24 should be used.])
25 AC_SUBST([GETOPT_H])
26 ])
27
28 AC_DEFUN([gl_GETOPT_CHECK_HEADERS],
29 [
30 if test -z "$GETOPT_H"; then
31 AC_CHECK_HEADERS([getopt.h], [], [GETOPT_H=getopt.h])
32 fi
33
34 if test -z "$GETOPT_H"; then
35 AC_CHECK_FUNCS([getopt_long_only], [], [GETOPT_H=getopt.h])
36 fi
37
38 dnl BSD getopt_long uses an incompatible method to reset option processing,
39 dnl and (as of 2004-10-15) mishandles optional option-arguments.
40 if test -z "$GETOPT_H"; then
41 AC_CHECK_DECL([optreset], [GETOPT_H=getopt.h], [], [#include <getopt.h>])
42 fi
43
44 dnl Solaris 10 getopt doesn't handle `+' as a leading character in an
45 dnl option string (as of 2005-05-05).
46 if test -z "$GETOPT_H"; then
47 AC_CACHE_CHECK([for working GNU getopt function], [gl_cv_func_gnu_getopt],
48 [AC_RUN_IFELSE(
49 [AC_LANG_PROGRAM([[#include <getopt.h>]],
50 [[
51 char *myargv[3];
52 myargv[0] = "conftest";
53 myargv[1] = "-+";
54 myargv[2] = 0;
55 return getopt (2, myargv, "+a") != '?';
56 ]])],
57 [gl_cv_func_gnu_getopt=yes],
58 [gl_cv_func_gnu_getopt=no],
59 [dnl cross compiling - pessimistically guess based on decls
60 dnl Solaris 10 getopt doesn't handle `+' as a leading character in an
61 dnl option string (as of 2005-05-05).
62 AC_CHECK_DECL([getopt_clip],
63 [gl_cv_func_gnu_getopt=no], [gl_cv_func_gnu_getopt=yes],
64 [#include <getopt.h>])])])
65 if test "$gl_cv_func_gnu_getopt" = "no"; then
66 GETOPT_H=getopt.h
67 fi
68 fi
69 ])
70
71 AC_DEFUN([gl_GETOPT_IFELSE],
72 [
73 AC_REQUIRE([gl_GETOPT_CHECK_HEADERS])
74 AS_IF([test -n "$GETOPT_H"], [$1], [$2])
75 ])
76
77 AC_DEFUN([gl_GETOPT], [gl_GETOPT_IFELSE([gl_GETOPT_SUBSTITUTE])])
78
79 # Prerequisites of lib/getopt*.
80 AC_DEFUN([gl_PREREQ_GETOPT],
81 [
82 AC_CHECK_DECLS_ONCE([getenv])
83 ])