1 # xattr.m4 - check for Extended Attributes (Linux)
3 # Copyright (C) 2003, 2008-2009 Free Software Foundation, Inc.
4 # This file is free software; the Free Software Foundation
5 # gives unlimited permission to copy and/or distribute it,
6 # with or without modifications, as long as this notice is preserved.
8 # Originally written by Andreas Gruenbacher.
9 # http://www.suse.de/~agruen/coreutils/5.91/coreutils-xattr.diff
11 AC_DEFUN([gl_FUNC_XATTR],
13 AC_ARG_ENABLE([xattr],
14 AC_HELP_STRING([--disable-xattr],
15 [do not support extended attributes]),
16 [use_xattr=$enableval], [use_xattr=yes])
18 if test "$use_xattr" = "yes"; then
19 AC_CHECK_HEADERS([attr/error_context.h attr/libattr.h])
20 if test $ac_cv_header_attr_libattr_h = yes \
21 && test $ac_cv_header_attr_error_context_h = yes; then
26 AC_DEFINE_UNQUOTED([USE_XATTR], [$use_xattr],
27 [Define if you want extended attribute support.])
28 xattr_saved_LIBS=$LIBS
29 AC_SEARCH_LIBS([attr_copy_file], [attr],
30 [test "$ac_cv_search_attr_copy_file" = "none required" ||
31 LIB_XATTR=$ac_cv_search_attr_copy_file])
32 AC_CHECK_FUNCS([attr_copy_file])
33 LIBS=$xattr_saved_LIBS