view m4/lchown.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
line wrap: on
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# serial 17
# Determine whether we need the lchown wrapper.

dnl Copyright (C) 1998, 2001, 2003-2007, 2009-2019 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.

dnl From Jim Meyering.
dnl Provide lchown on systems that lack it, and work around bugs
dnl on systems that have it.

AC_DEFUN([gl_FUNC_LCHOWN],
[
  AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
  AC_REQUIRE([gl_FUNC_CHOWN])
  AC_CHECK_FUNCS_ONCE([lchmod])
  AC_CHECK_FUNCS([lchown])
  if test $ac_cv_func_lchown = no; then
    HAVE_LCHOWN=0
  else
    dnl Trailing slash and ctime bugs in chown also occur in lchown.
    case "$gl_cv_func_chown_slash_works" in
      *yes) ;;
      *)
        REPLACE_LCHOWN=1
        ;;
    esac
    case "$gl_cv_func_chown_ctime_works" in
      *yes) ;;
      *)
        REPLACE_LCHOWN=1
        ;;
    esac
  fi
])