-# getopt.m4 serial 26
+# getopt.m4 serial 29
dnl Copyright (C) 2002-2006, 2008-2010 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 is left over from earlier calls, and neither setting optind = 0 nor
dnl setting optreset = 1 get rid of this internal state.
dnl POSIX is silent on optind vs. optreset, so we allow either behavior.
+ 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 "$gl_replace_getopt"; then
AC_CACHE_CHECK([whether getopt is POSIX compatible],
[gl_cv_func_getopt_posix],
[
- dnl This test fails on mingw and succeeds on all other platforms.
+ dnl This test fails on mingw and succeeds on many other platforms.
AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <unistd.h>
#include <stdlib.h>
if (!(optind == 1))
return 12;
}
+ /* Detect MacOS 10.5, AIX 7.1 bug. */
+ {
+ char *argv[3] = { "program", "-ab", NULL };
+ optind = OPTIND_MIN;
+ opterr = 0;
+ if (getopt (2, argv, "ab:") != 'a')
+ return 13;
+ if (getopt (2, argv, "ab:") != '?')
+ return 14;
+ if (optopt != 'b')
+ return 15;
+ if (optind != 2)
+ return 16;
+ }
return 0;
}
]])],
[gl_cv_func_getopt_posix=yes], [gl_cv_func_getopt_posix=no],
[case "$host_os" in
- mingw*) gl_cv_func_getopt_posix="guessing no";;
- *) gl_cv_func_getopt_posix="guessing yes";;
+ mingw*) gl_cv_func_getopt_posix="guessing no";;
+ darwin* | aix*) gl_cv_func_getopt_posix="guessing no";;
+ *) gl_cv_func_getopt_posix="guessing yes";;
esac
])
])
if (getopt (3, argv, "-p") != 'p')
return 7;
}
+ /* This code fails on glibc 2.11. */
+ {
+ char *argv[] = { "program", "-b", "-a", NULL };
+ optind = opterr = 0;
+ if (getopt (3, argv, "+:a:b") != 'b')
+ return 8;
+ if (getopt (3, argv, "+:a:b") != ':')
+ return 9;
+ }
return 0;
]])],
[gl_cv_func_getopt_gnu=yes],