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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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# glibc2.m4 serial 3
dnl Copyright (C) 2000-2002, 2004, 2008, 2010-2019 Free Software Foundation,
dnl 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.

# Test for the GNU C Library, version 2.0 or newer.
# From Bruno Haible.

AC_DEFUN([gt_GLIBC2],
  [
    AC_CACHE_CHECK([whether we are using the GNU C Library 2 or newer],
      [ac_cv_gnu_library_2],
      [AC_EGREP_CPP([Lucky GNU user],
        [
#include <features.h>
#ifdef __GNU_LIBRARY__
 #if (__GLIBC__ >= 2) && !defined __UCLIBC__
  Lucky GNU user
 #endif
#endif
        ],
        [ac_cv_gnu_library_2=yes],
        [ac_cv_gnu_library_2=no])
      ]
    )
    AC_SUBST([GLIBC2])
    GLIBC2="$ac_cv_gnu_library_2"
  ]
)