view m4/lchown.m4 @ 36940:c741bc27922a

maint: update all copyright year number ranges Run "make update-copyright". Compare to commit 1602f0a from last year. Signed-off-by: Eric Blake <eblake@redhat.com>
author Eric Blake <eblake@redhat.com>
date Tue, 01 Jan 2013 00:50:58 +0000
parents 36d151b6b180
children 344018b6e5d7
line wrap: on
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# serial 17
# Determine whether we need the lchown wrapper.

dnl Copyright (C) 1998, 2001, 2003-2007, 2009-2013 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
])