summaryrefslogtreecommitdiff
path: root/gl/m4/getopt.m4
diff options
context:
space:
mode:
Diffstat (limited to 'gl/m4/getopt.m4')
-rw-r--r--gl/m4/getopt.m4368
1 files changed, 0 insertions, 368 deletions
diff --git a/gl/m4/getopt.m4 b/gl/m4/getopt.m4
deleted file mode 100644
index 7a94626..0000000
--- a/gl/m4/getopt.m4
+++ /dev/null
@@ -1,368 +0,0 @@
-# getopt.m4 serial 44
-dnl Copyright (C) 2002-2006, 2008-2017 Free Software Foundation, Inc.
-dnl This file is free software; the Free Software Foundation
-dnl gives unlimited permission to copy and/or distribute it,
-dnl with or without modifications, as long as this notice is preserved.
-
-# Request a POSIX compliant getopt function.
-AC_DEFUN([gl_FUNC_GETOPT_POSIX],
-[
- m4_divert_text([DEFAULTS], [gl_getopt_required=POSIX])
- AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
- AC_REQUIRE([gl_GETOPT_CHECK_HEADERS])
- dnl Other modules can request the gnulib implementation of the getopt
- dnl functions unconditionally, by defining gl_REPLACE_GETOPT_ALWAYS.
- dnl argp.m4 does this.
- m4_ifdef([gl_REPLACE_GETOPT_ALWAYS], [
- REPLACE_GETOPT=1
- ], [
- REPLACE_GETOPT=0
- if test -n "$gl_replace_getopt"; then
- REPLACE_GETOPT=1
- fi
- ])
- if test $REPLACE_GETOPT = 1; then
- dnl Arrange for getopt.h to be created.
- gl_GETOPT_SUBSTITUTE_HEADER
- fi
-])
-
-# Request a POSIX compliant getopt function with GNU extensions (such as
-# options with optional arguments) and the functions getopt_long,
-# getopt_long_only.
-AC_DEFUN([gl_FUNC_GETOPT_GNU],
-[
- m4_divert_text([INIT_PREPARE], [gl_getopt_required=GNU])
-
- AC_REQUIRE([gl_FUNC_GETOPT_POSIX])
-])
-
-# Determine whether to replace the entire getopt facility.
-AC_DEFUN([gl_GETOPT_CHECK_HEADERS],
-[
- AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
- AC_REQUIRE([AC_PROG_AWK]) dnl for awk that supports ENVIRON
-
- dnl Persuade Solaris <unistd.h> to declare optarg, optind, opterr, optopt.
- AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
-
- gl_CHECK_NEXT_HEADERS([getopt.h])
- if test $ac_cv_header_getopt_h = yes; then
- HAVE_GETOPT_H=1
- else
- HAVE_GETOPT_H=0
- fi
- AC_SUBST([HAVE_GETOPT_H])
-
- gl_replace_getopt=
-
- dnl Test whether <getopt.h> is available.
- if test -z "$gl_replace_getopt" && test $gl_getopt_required = GNU; then
- AC_CHECK_HEADERS([getopt.h], [], [gl_replace_getopt=yes])
- fi
-
- dnl Test whether the function getopt_long is available.
- if test -z "$gl_replace_getopt" && test $gl_getopt_required = GNU; then
- AC_CHECK_FUNCS([getopt_long_only], [], [gl_replace_getopt=yes])
- fi
-
- dnl POSIX 2008 does not specify leading '+' behavior, but see
- dnl http://austingroupbugs.net/view.php?id=191 for a recommendation on
- dnl the next version of POSIX. For now, we only guarantee leading '+'
- dnl behavior with getopt-gnu.
- if test -z "$gl_replace_getopt"; then
- AC_CACHE_CHECK([whether getopt is POSIX compatible],
- [gl_cv_func_getopt_posix],
- [
- dnl Merging these three different test programs into a single one
- dnl would require a reset mechanism. On BSD systems, it can be done
- dnl through 'optreset'; on some others (glibc), it can be done by
- dnl setting 'optind' to 0; on others again (HP-UX, IRIX, OSF/1,
- dnl Solaris 9, musl libc), there is no such mechanism.
- if test $cross_compiling = no; then
- dnl Sanity check. Succeeds everywhere (except on MSVC,
- dnl which lacks <unistd.h> and getopt() entirely).
- AC_RUN_IFELSE(
- [AC_LANG_SOURCE([[
-#include <unistd.h>
-#include <stdlib.h>
-#include <string.h>
-
-int
-main ()
-{
- static char program[] = "program";
- static char a[] = "-a";
- static char foo[] = "foo";
- static char bar[] = "bar";
- char *argv[] = { program, a, foo, bar, NULL };
- int c;
-
- c = getopt (4, argv, "ab");
- if (!(c == 'a'))
- return 1;
- c = getopt (4, argv, "ab");
- if (!(c == -1))
- return 2;
- if (!(optind == 2))
- return 3;
- return 0;
-}
-]])],
- [gl_cv_func_getopt_posix=maybe],
- [gl_cv_func_getopt_posix=no])
- if test $gl_cv_func_getopt_posix = maybe; then
- dnl Sanity check with '+'. Succeeds everywhere (except on MSVC,
- dnl which lacks <unistd.h> and getopt() entirely).
- AC_RUN_IFELSE(
- [AC_LANG_SOURCE([[
-#include <unistd.h>
-#include <stdlib.h>
-#include <string.h>
-
-int
-main ()
-{
- static char program[] = "program";
- static char donald[] = "donald";
- static char p[] = "-p";
- static char billy[] = "billy";
- static char duck[] = "duck";
- static char a[] = "-a";
- static char bar[] = "bar";
- char *argv[] = { program, donald, p, billy, duck, a, bar, NULL };
- int c;
-
- c = getopt (7, argv, "+abp:q:");
- if (!(c == -1))
- return 4;
- if (!(strcmp (argv[0], "program") == 0))
- return 5;
- if (!(strcmp (argv[1], "donald") == 0))
- return 6;
- if (!(strcmp (argv[2], "-p") == 0))
- return 7;
- if (!(strcmp (argv[3], "billy") == 0))
- return 8;
- if (!(strcmp (argv[4], "duck") == 0))
- return 9;
- if (!(strcmp (argv[5], "-a") == 0))
- return 10;
- if (!(strcmp (argv[6], "bar") == 0))
- return 11;
- if (!(optind == 1))
- return 12;
- return 0;
-}
-]])],
- [gl_cv_func_getopt_posix=maybe],
- [gl_cv_func_getopt_posix=no])
- fi
- if test $gl_cv_func_getopt_posix = maybe; then
- dnl Detect Mac OS X 10.5, AIX 7.1, mingw bug.
- AC_RUN_IFELSE(
- [AC_LANG_SOURCE([[
-#include <unistd.h>
-#include <stdlib.h>
-#include <string.h>
-
-int
-main ()
-{
- static char program[] = "program";
- static char ab[] = "-ab";
- char *argv[3] = { program, ab, NULL };
- if (getopt (2, argv, "ab:") != 'a')
- return 13;
- if (getopt (2, argv, "ab:") != '?')
- return 14;
- if (optopt != 'b')
- return 15;
- if (optind != 2)
- return 16;
- return 0;
-}
-]])],
- [gl_cv_func_getopt_posix=yes],
- [gl_cv_func_getopt_posix=no])
- fi
- else
- case "$host_os" in
- darwin* | aix* | mingw*) gl_cv_func_getopt_posix="guessing no";;
- *) gl_cv_func_getopt_posix="guessing yes";;
- esac
- fi
- ])
- case "$gl_cv_func_getopt_posix" in
- *no) gl_replace_getopt=yes ;;
- esac
- fi
-
- if test -z "$gl_replace_getopt" && test $gl_getopt_required = GNU; then
- AC_CACHE_CHECK([for working GNU getopt function], [gl_cv_func_getopt_gnu],
- [# Even with POSIXLY_CORRECT, the GNU extension of leading '-' in the
- # optstring is necessary for programs like m4 that have POSIX-mandated
- # semantics for supporting options interspersed with files.
- # Also, since getopt_long is a GNU extension, we require optind=0.
- # Bash ties 'set -o posix' to a non-exported POSIXLY_CORRECT;
- # so take care to revert to the correct (non-)export state.
-dnl GNU Coding Standards currently allow awk but not env; besides, env
-dnl is ambiguous with environment values that contain newlines.
- gl_awk_probe='BEGIN { if ("POSIXLY_CORRECT" in ENVIRON) print "x" }'
- case ${POSIXLY_CORRECT+x}`$AWK "$gl_awk_probe" </dev/null` in
- xx) gl_had_POSIXLY_CORRECT=exported ;;
- x) gl_had_POSIXLY_CORRECT=yes ;;
- *) gl_had_POSIXLY_CORRECT= ;;
- esac
- POSIXLY_CORRECT=1
- export POSIXLY_CORRECT
- AC_RUN_IFELSE(
- [AC_LANG_PROGRAM([[#include <getopt.h>
- #include <stddef.h>
- #include <string.h>
- ]GL_NOCRASH[
- ]], [[
- int result = 0;
-
- nocrash_init();
-
- /* This code succeeds on glibc 2.8, OpenBSD 4.0, Cygwin, mingw,
- and fails on Mac OS X 10.5, AIX 5.2, HP-UX 11, IRIX 6.5,
- OSF/1 5.1, Solaris 10. */
- {
- static char conftest[] = "conftest";
- static char plus[] = "-+";
- char *argv[3] = { conftest, plus, NULL };
- opterr = 0;
- if (getopt (2, argv, "+a") != '?')
- result |= 1;
- }
- /* This code succeeds on glibc 2.8, mingw,
- and fails on Mac OS X 10.5, OpenBSD 4.0, AIX 5.2, HP-UX 11,
- IRIX 6.5, OSF/1 5.1, Solaris 10, Cygwin 1.5.x. */
- {
- static char program[] = "program";
- static char p[] = "-p";
- static char foo[] = "foo";
- static char bar[] = "bar";
- char *argv[] = { program, p, foo, bar, NULL };
-
- optind = 1;
- if (getopt (4, argv, "p::") != 'p')
- result |= 2;
- else if (optarg != NULL)
- result |= 4;
- else if (getopt (4, argv, "p::") != -1)
- result |= 6;
- else if (optind != 2)
- result |= 8;
- }
- /* This code succeeds on glibc 2.8 and fails on Cygwin 1.7.0. */
- {
- static char program[] = "program";
- static char foo[] = "foo";
- static char p[] = "-p";
- char *argv[] = { program, foo, p, NULL };
- optind = 0;
- if (getopt (3, argv, "-p") != 1)
- result |= 16;
- else if (getopt (3, argv, "-p") != 'p')
- result |= 16;
- }
- /* This code fails on glibc 2.11. */
- {
- static char program[] = "program";
- static char b[] = "-b";
- static char a[] = "-a";
- char *argv[] = { program, b, a, NULL };
- optind = opterr = 0;
- if (getopt (3, argv, "+:a:b") != 'b')
- result |= 32;
- else if (getopt (3, argv, "+:a:b") != ':')
- result |= 32;
- }
- /* This code dumps core on glibc 2.14. */
- {
- static char program[] = "program";
- static char w[] = "-W";
- static char dummy[] = "dummy";
- char *argv[] = { program, w, dummy, NULL };
- optind = opterr = 1;
- if (getopt (3, argv, "W;") != 'W')
- result |= 64;
- }
- return result;
- ]])],
- [gl_cv_func_getopt_gnu=yes],
- [gl_cv_func_getopt_gnu=no],
- [dnl Cross compiling. Assume the worst, even on glibc platforms.
- gl_cv_func_getopt_gnu="guessing no"
- ])
- case $gl_had_POSIXLY_CORRECT in
- exported) ;;
- yes) AS_UNSET([POSIXLY_CORRECT]); POSIXLY_CORRECT=1 ;;
- *) AS_UNSET([POSIXLY_CORRECT]) ;;
- esac
- ])
- if test "$gl_cv_func_getopt_gnu" != yes; then
- gl_replace_getopt=yes
- else
- AC_CACHE_CHECK([for working GNU getopt_long function],
- [gl_cv_func_getopt_long_gnu],
- [AC_RUN_IFELSE(
- [AC_LANG_PROGRAM(
- [[#include <getopt.h>
- #include <stddef.h>
- #include <string.h>
- ]],
- [[static const struct option long_options[] =
- {
- { "xtremely-",no_argument, NULL, 1003 },
- { "xtra", no_argument, NULL, 1001 },
- { "xtreme", no_argument, NULL, 1002 },
- { "xtremely", no_argument, NULL, 1003 },
- { NULL, 0, NULL, 0 }
- };
- /* This code fails on OpenBSD 5.0. */
- {
- static char program[] = "program";
- static char xtremel[] = "--xtremel";
- char *argv[] = { program, xtremel, NULL };
- int option_index;
- optind = 1; opterr = 0;
- if (getopt_long (2, argv, "", long_options, &option_index) != 1003)
- return 1;
- }
- return 0;
- ]])],
- [gl_cv_func_getopt_long_gnu=yes],
- [gl_cv_func_getopt_long_gnu=no],
- [dnl Cross compiling. Guess no on OpenBSD, yes otherwise.
- case "$host_os" in
- openbsd*) gl_cv_func_getopt_long_gnu="guessing no";;
- *) gl_cv_func_getopt_long_gnu="guessing yes";;
- esac
- ])
- ])
- case "$gl_cv_func_getopt_long_gnu" in
- *yes) ;;
- *) gl_replace_getopt=yes ;;
- esac
- fi
- fi
-])
-
-AC_DEFUN([gl_GETOPT_SUBSTITUTE_HEADER],
-[
- GETOPT_H=getopt.h
- AC_DEFINE([__GETOPT_PREFIX], [[rpl_]],
- [Define to rpl_ if the getopt replacement functions and variables
- should be used.])
- AC_SUBST([GETOPT_H])
-])
-
-# Prerequisites of lib/getopt*.
-AC_DEFUN([gl_PREREQ_GETOPT],
-[
- AC_CHECK_DECLS_ONCE([getenv])
-])
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-24 07:19:12 +0000