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authorThomas Guyot-Sionnest <dermoth@aei.ca>2010-04-08 01:11:46 (GMT)
committerThomas Guyot-Sionnest <dermoth@aei.ca>2010-04-13 01:26:35 (GMT)
commit74da141e618ef99959d509cb2e7be35a348a39db (patch)
tree88ebc38b381a1021fc2d74864a71e230ae591c3d /gl/m4/getopt.m4
parentc63a4f726a0b6ad8cf6040f947754a81fd4683bb (diff)
downloadmonitoring-plugins-74da141e618ef99959d509cb2e7be35a348a39db.tar.gz
Sync with the latest Gnulib code (177f525)
Signed-off-by: Thomas Guyot-Sionnest <dermoth@aei.ca>
Diffstat (limited to 'gl/m4/getopt.m4')
-rw-r--r--gl/m4/getopt.m4288
1 files changed, 239 insertions, 49 deletions
diff --git a/gl/m4/getopt.m4 b/gl/m4/getopt.m4
index 9b683c2..a19805e 100644
--- a/gl/m4/getopt.m4
+++ b/gl/m4/getopt.m4
@@ -1,82 +1,272 @@
1# getopt.m4 serial 14 1# getopt.m4 serial 24
2dnl Copyright (C) 2002-2006, 2008 Free Software Foundation, Inc. 2dnl Copyright (C) 2002-2006, 2008-2010 Free Software Foundation, Inc.
3dnl This file is free software; the Free Software Foundation 3dnl This file is free software; the Free Software Foundation
4dnl gives unlimited permission to copy and/or distribute it, 4dnl gives unlimited permission to copy and/or distribute it,
5dnl with or without modifications, as long as this notice is preserved. 5dnl with or without modifications, as long as this notice is preserved.
6 6
7# The getopt module assume you want GNU getopt, with getopt_long etc, 7# Request a POSIX compliant getopt function.
8# rather than vanilla POSIX getopt. This means your code should 8AC_DEFUN([gl_FUNC_GETOPT_POSIX],
9# always include <getopt.h> for the getopt prototypes. 9[
10 m4_divert_text([DEFAULTS], [gl_getopt_required=POSIX])
11 AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
12 gl_GETOPT_IFELSE([
13 gl_REPLACE_GETOPT
14 ],
15 [])
16])
17
18# Request a POSIX compliant getopt function with GNU extensions (such as
19# options with optional arguments) and the functions getopt_long,
20# getopt_long_only.
21AC_DEFUN([gl_FUNC_GETOPT_GNU],
22[
23 m4_divert_text([INIT_PREPARE], [gl_getopt_required=GNU])
24
25 AC_REQUIRE([gl_FUNC_GETOPT_POSIX])
26])
10 27
11AC_DEFUN([gl_GETOPT_SUBSTITUTE], 28# Request the gnulib implementation of the getopt functions unconditionally.
29# argp.m4 uses this.
30AC_DEFUN([gl_REPLACE_GETOPT],
12[ 31[
32 dnl Arrange for getopt.h to be created.
33 gl_GETOPT_SUBSTITUTE_HEADER
34 dnl Arrange for unistd.h to include getopt.h.
35 GNULIB_UNISTD_H_GETOPT=1
36 dnl Arrange to compile the getopt implementation.
13 AC_LIBOBJ([getopt]) 37 AC_LIBOBJ([getopt])
14 AC_LIBOBJ([getopt1]) 38 AC_LIBOBJ([getopt1])
15 gl_GETOPT_SUBSTITUTE_HEADER
16 gl_PREREQ_GETOPT 39 gl_PREREQ_GETOPT
17]) 40])
18 41
19AC_DEFUN([gl_GETOPT_SUBSTITUTE_HEADER], 42# emacs' configure.in uses this.
43AC_DEFUN([gl_GETOPT_IFELSE],
20[ 44[
21 GETOPT_H=getopt.h 45 AC_REQUIRE([gl_GETOPT_CHECK_HEADERS])
22 AC_DEFINE([__GETOPT_PREFIX], [[rpl_]], 46 AS_IF([test -n "$gl_replace_getopt"], [$1], [$2])
23 [Define to rpl_ if the getopt replacement functions and variables
24 should be used.])
25 AC_SUBST([GETOPT_H])
26]) 47])
27 48
49# Determine whether to replace the entire getopt facility.
28AC_DEFUN([gl_GETOPT_CHECK_HEADERS], 50AC_DEFUN([gl_GETOPT_CHECK_HEADERS],
29[ 51[
30 if test -z "$GETOPT_H"; then 52 AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
31 AC_CHECK_HEADERS([getopt.h], [], [GETOPT_H=getopt.h]) 53
54 dnl Persuade Solaris <unistd.h> to declare optarg, optind, opterr, optopt.
55 AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
56
57 gl_CHECK_NEXT_HEADERS([getopt.h])
58 AC_CHECK_HEADERS_ONCE([getopt.h])
59 if test $ac_cv_header_getopt_h = yes; then
60 HAVE_GETOPT_H=1
61 else
62 HAVE_GETOPT_H=0
63 fi
64 AC_SUBST([HAVE_GETOPT_H])
65
66 gl_replace_getopt=
67
68 dnl Test whether <getopt.h> is available.
69 if test -z "$gl_replace_getopt" && test $gl_getopt_required = GNU; then
70 AC_CHECK_HEADERS([getopt.h], [], [gl_replace_getopt=yes])
71 fi
72
73 dnl Test whether the function getopt_long is available.
74 if test -z "$gl_replace_getopt" && test $gl_getopt_required = GNU; then
75 AC_CHECK_FUNCS([getopt_long_only], [], [gl_replace_getopt=yes])
32 fi 76 fi
33 77
34 if test -z "$GETOPT_H"; then 78 dnl BSD getopt_long uses an incompatible method to reset option processing.
35 AC_CHECK_FUNCS([getopt_long_only], [], [GETOPT_H=getopt.h]) 79 dnl Existence of the variable, in and of itself, is not a reason to replace
80 dnl getopt, but knowledge of the variable is needed to determine how to
81 dnl reset and whether a reset reparses the environment.
82 if test -z "$gl_replace_getopt" && test $gl_getopt_required = GNU; then
83 AC_CHECK_DECLS([optreset], [], [],
84 [[#include <getopt.h>]])
36 fi 85 fi
37 86
38 dnl BSD getopt_long uses an incompatible method to reset option processing, 87 dnl mingw's getopt (in libmingwex.a) does weird things when the options
39 dnl and (as of 2004-10-15) mishandles optional option-arguments. 88 dnl strings starts with '+' and it's not the first call. Some internal state
40 if test -z "$GETOPT_H"; then 89 dnl is left over from earlier calls, and neither setting optind = 0 nor
41 AC_CHECK_DECL([optreset], [GETOPT_H=getopt.h], [], [#include <getopt.h>]) 90 dnl setting optreset = 1 get rid of this internal state.
91 dnl POSIX is silent on optind vs. optreset, so we allow either behavior.
92 if test -z "$gl_replace_getopt"; then
93 AC_CACHE_CHECK([whether getopt is POSIX compatible],
94 [gl_cv_func_getopt_posix],
95 [
96 dnl This test fails on mingw and succeeds on all other platforms.
97 AC_RUN_IFELSE([AC_LANG_SOURCE([[
98#include <unistd.h>
99#include <stdlib.h>
100#include <string.h>
101
102#if !HAVE_DECL_OPTRESET
103# define OPTIND_MIN 0
104#else
105# define OPTIND_MIN 1
106#endif
107
108int
109main ()
110{
111 {
112 int argc = 0;
113 char *argv[10];
114 int c;
115
116 argv[argc++] = "program";
117 argv[argc++] = "-a";
118 argv[argc++] = "foo";
119 argv[argc++] = "bar";
120 argv[argc] = NULL;
121 optind = OPTIND_MIN;
122 opterr = 0;
123
124 c = getopt (argc, argv, "ab");
125 if (!(c == 'a'))
126 return 1;
127 c = getopt (argc, argv, "ab");
128 if (!(c == -1))
129 return 2;
130 if (!(optind == 2))
131 return 3;
132 }
133 /* Some internal state exists at this point. */
134 {
135 int argc = 0;
136 char *argv[10];
137 int c;
138
139 argv[argc++] = "program";
140 argv[argc++] = "donald";
141 argv[argc++] = "-p";
142 argv[argc++] = "billy";
143 argv[argc++] = "duck";
144 argv[argc++] = "-a";
145 argv[argc++] = "bar";
146 argv[argc] = NULL;
147 optind = OPTIND_MIN;
148 opterr = 0;
149
150 c = getopt (argc, argv, "+abp:q:");
151 if (!(c == -1))
152 return 4;
153 if (!(strcmp (argv[0], "program") == 0))
154 return 5;
155 if (!(strcmp (argv[1], "donald") == 0))
156 return 6;
157 if (!(strcmp (argv[2], "-p") == 0))
158 return 7;
159 if (!(strcmp (argv[3], "billy") == 0))
160 return 8;
161 if (!(strcmp (argv[4], "duck") == 0))
162 return 9;
163 if (!(strcmp (argv[5], "-a") == 0))
164 return 10;
165 if (!(strcmp (argv[6], "bar") == 0))
166 return 11;
167 if (!(optind == 1))
168 return 12;
169 }
170
171 return 0;
172}
173]])],
174 [gl_cv_func_getopt_posix=yes], [gl_cv_func_getopt_posix=no],
175 [case "$host_os" in
176 mingw*) gl_cv_func_getopt_posix="guessing no";;
177 *) gl_cv_func_getopt_posix="guessing yes";;
178 esac
179 ])
180 ])
181 case "$gl_cv_func_getopt_posix" in
182 *no) gl_replace_getopt=yes ;;
183 esac
42 fi 184 fi
43 185
44 dnl Solaris 10 getopt doesn't handle `+' as a leading character in an 186 if test -z "$gl_replace_getopt" && test $gl_getopt_required = GNU; then
45 dnl option string (as of 2005-05-05). 187 AC_CACHE_CHECK([for working GNU getopt function], [gl_cv_func_getopt_gnu],
46 if test -z "$GETOPT_H"; then 188 [# Even with POSIXLY_CORRECT, the GNU extension of leading '-' in the
47 AC_CACHE_CHECK([for working GNU getopt function], [gl_cv_func_gnu_getopt], 189 # optstring is necessary for programs like m4 that have POSIX-mandated
48 [AC_RUN_IFELSE( 190 # semantics for supporting options interspersed with files.
49 [AC_LANG_PROGRAM([[#include <getopt.h>]], 191 # Also, since getopt_long is a GNU extension, we require optind=0.
50 [[ 192 gl_had_POSIXLY_CORRECT=${POSIXLY_CORRECT:+yes}
51 char *myargv[3]; 193 POSIXLY_CORRECT=1
52 myargv[0] = "conftest"; 194 export POSIXLY_CORRECT
53 myargv[1] = "-+"; 195 AC_RUN_IFELSE(
54 myargv[2] = 0; 196 [AC_LANG_PROGRAM([[#include <getopt.h>
55 return getopt (2, myargv, "+a") != '?'; 197 #include <stddef.h>
56 ]])], 198 #include <string.h>
57 [gl_cv_func_gnu_getopt=yes], 199 ]], [[
58 [gl_cv_func_gnu_getopt=no], 200 /* This code succeeds on glibc 2.8, OpenBSD 4.0, Cygwin, mingw,
59 [dnl cross compiling - pessimistically guess based on decls 201 and fails on MacOS X 10.5, AIX 5.2, HP-UX 11, IRIX 6.5,
60 dnl Solaris 10 getopt doesn't handle `+' as a leading character in an 202 OSF/1 5.1, Solaris 10. */
61 dnl option string (as of 2005-05-05). 203 {
62 AC_CHECK_DECL([getopt_clip], 204 char *myargv[3];
63 [gl_cv_func_gnu_getopt=no], [gl_cv_func_gnu_getopt=yes], 205 myargv[0] = "conftest";
64 [#include <getopt.h>])])]) 206 myargv[1] = "-+";
65 if test "$gl_cv_func_gnu_getopt" = "no"; then 207 myargv[2] = 0;
66 GETOPT_H=getopt.h 208 opterr = 0;
209 if (getopt (2, myargv, "+a") != '?')
210 return 1;
211 }
212 /* This code succeeds on glibc 2.8, mingw,
213 and fails on MacOS X 10.5, OpenBSD 4.0, AIX 5.2, HP-UX 11,
214 IRIX 6.5, OSF/1 5.1, Solaris 10, Cygwin 1.5.x. */
215 {
216 char *argv[] = { "program", "-p", "foo", "bar", NULL };
217
218 optind = 1;
219 if (getopt (4, argv, "p::") != 'p')
220 return 2;
221 if (optarg != NULL)
222 return 3;
223 if (getopt (4, argv, "p::") != -1)
224 return 4;
225 if (optind != 2)
226 return 5;
227 }
228 /* This code succeeds on glibc 2.8 and fails on Cygwin 1.7.0. */
229 {
230 char *argv[] = { "program", "foo", "-p", NULL };
231 optind = 0;
232 if (getopt (3, argv, "-p") != 1)
233 return 6;
234 if (getopt (3, argv, "-p") != 'p')
235 return 7;
236 }
237 return 0;
238 ]])],
239 [gl_cv_func_getopt_gnu=yes],
240 [gl_cv_func_getopt_gnu=no],
241 [dnl Cross compiling. Guess based on host and declarations.
242 case $host_os:$ac_cv_have_decl_optreset in
243 *-gnu*:* | mingw*:*) gl_cv_func_getopt_gnu=no;;
244 *:yes) gl_cv_func_getopt_gnu=no;;
245 *) gl_cv_func_getopt_gnu=yes;;
246 esac
247 ])
248 if test "$gl_had_POSIXLY_CORRECT" != yes; then
249 AS_UNSET([POSIXLY_CORRECT])
250 fi
251 ])
252 if test "$gl_cv_func_getopt_gnu" = "no"; then
253 gl_replace_getopt=yes
67 fi 254 fi
68 fi 255 fi
69]) 256])
70 257
71AC_DEFUN([gl_GETOPT_IFELSE], 258# emacs' configure.in uses this.
259AC_DEFUN([gl_GETOPT_SUBSTITUTE_HEADER],
72[ 260[
73 AC_REQUIRE([gl_GETOPT_CHECK_HEADERS]) 261 GETOPT_H=getopt.h
74 AS_IF([test -n "$GETOPT_H"], [$1], [$2]) 262 AC_DEFINE([__GETOPT_PREFIX], [[rpl_]],
263 [Define to rpl_ if the getopt replacement functions and variables
264 should be used.])
265 AC_SUBST([GETOPT_H])
75]) 266])
76 267
77AC_DEFUN([gl_GETOPT], [gl_GETOPT_IFELSE([gl_GETOPT_SUBSTITUTE])])
78
79# Prerequisites of lib/getopt*. 268# Prerequisites of lib/getopt*.
269# emacs' configure.in uses this.
80AC_DEFUN([gl_PREREQ_GETOPT], 270AC_DEFUN([gl_PREREQ_GETOPT],
81[ 271[
82 AC_CHECK_DECLS_ONCE([getenv]) 272 AC_CHECK_DECLS_ONCE([getenv])