view m4/lchmod.m4 @ 17602:f98ee53d8e71

tests: simplify porting to Solaris 10 /bin/sh Some test cases in 'grep' need a shell that groks '$('; export re_shell_ for their benefit. Problem reported for 'grep' by Dagobert Michelsen in <http://bugs.gnu.org/16380>. * tests/init.sh (re_shell_): Export if it's used.
author Paul Eggert <eggert@cs.ucla.edu>
date Tue, 07 Jan 2014 11:46:27 -0800
parents 344018b6e5d7
children ab58d4870664
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#serial 3

dnl Copyright (C) 2005-2006, 2008-2014 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.

dnl From Paul Eggert.
dnl Provide a replacement for lchmod on hosts that lack it.

AC_DEFUN([gl_FUNC_LCHMOD],
[
  AC_REQUIRE([gl_SYS_STAT_H_DEFAULTS])

  dnl Persuade glibc <sys/stat.h> to declare lchmod().
  AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])

  AC_CHECK_FUNCS_ONCE([lchmod])
  if test $ac_cv_func_lchmod = no; then
    HAVE_LCHMOD=0
  fi
])