Mercurial > gnulib
view m4/wmemchr.m4 @ 40198:5a34193cbc07
long-options: add parse_gnu_standard_options_only
Discussed in https://bugs.gnu.org/33468 .
* lib/long-options.c (parse_long_options): Use EXIT_SUCCESS instead
of 0.
(parse_gnu_standard_options_only): Add function to
process the GNU default options --help and --version and fail for any other
unknown long or short option. See
https://gnu.org/prep/standards/html_node/Command_002dLine-Interfaces.html .
* lib/long-options.h (parse_gnu_standard_options_only): Declare it.
* modules/long-options (depends-on): Add stdbool, exitfail.
* top/maint.mk (sc_prohibit_long_options_without_use): Update
syntax-check rule, add new function name.
| author | Bernhard Voelker <mail@bernhard-voelker.de> |
|---|---|
| date | Thu, 29 Nov 2018 09:06:26 +0100 |
| parents | b06060465f09 |
| children |
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# wmemchr.m4 serial 3 dnl Copyright (C) 2011-2019 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. AC_DEFUN([gl_FUNC_WMEMCHR], [ AC_REQUIRE([gl_WCHAR_H_DEFAULTS]) dnl We cannot use AC_CHECK_FUNCS here, because the MSVC 9 header files dnl provide this function as an inline function definition. AC_CACHE_CHECK([for wmemchr], [gl_cv_func_wmemchr], [AC_COMPILE_IFELSE( [AC_LANG_PROGRAM([[ /* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before <wchar.h>. BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be included before <wchar.h>. */ #include <stddef.h> #include <stdio.h> #include <time.h> #include <wchar.h> ]], [[return ! wmemchr ((const wchar_t *) 0, (wchar_t) ' ', 0);]]) ], [gl_cv_func_wmemchr=yes], [gl_cv_func_wmemchr=no]) ]) if test $gl_cv_func_wmemchr = no; then HAVE_WMEMCHR=0 fi ])