From d70d6727dd1d7c4ae9dd897d23864665476b3884 Mon Sep 17 00:00:00 2001
From: Andrew Bartlett <abartlet@samba.org>
Date: Mon, 5 Jun 2006 21:51:10 +0000
Subject: r16052: Add .m4 file for XATTR detection (from ntvfs/posix/config.m4)

Andrew Bartlett
(This used to be commit 9a9c2bc4aaa4afc947fb490f48bf037e03d2f223)
---
 source4/lib/util/xattr.m4 | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)
 create mode 100644 source4/lib/util/xattr.m4

(limited to 'source4/lib')

diff --git a/source4/lib/util/xattr.m4 b/source4/lib/util/xattr.m4
new file mode 100644
index 0000000000..497809a47a
--- /dev/null
+++ b/source4/lib/util/xattr.m4
@@ -0,0 +1,32 @@
+dnl ############################################
+dnl use flistxattr as the key function for having 
+dnl sufficient xattr support for posix xattr backend
+AC_CHECK_HEADERS(sys/attributes.h attr/xattr.h sys/xattr.h)
+AC_SEARCH_LIBS_EXT(flistxattr, [attr], XATTR_LIBS)
+AC_CHECK_FUNC_EXT(flistxattr, $XATTR_LIBS)
+SMB_EXT_LIB(XATTR,[${XATTR_LIBS}],[${XATTR_CFLAGS}],[${XATTR_CPPFLAGS}],[${XATTR_LDFLAGS}])
+if test x"$ac_cv_func_ext_flistxattr" = x"yes"; then
+	AC_CACHE_CHECK([whether xattr interface takes additional options], smb_attr_cv_xattr_add_opt,
+	[old_LIBS=$LIBS
+	 LIBS="$LIBS $XATTRLIBS"
+	 AC_TRY_COMPILE([
+	 	#include <sys/types.h>
+		#if HAVE_ATTR_XATTR_H
+		#include <attr/xattr.h>
+		#elif HAVE_SYS_XATTR_H
+		#include <sys/xattr.h>
+		#endif
+		#ifndef NULL
+		#define NULL ((void *)0)
+		#endif
+		],[
+		getxattr(NULL, NULL, NULL, 0, 0, 0);
+		],smb_attr_cv_xattr_add_opt=yes,smb_attr_cv_xattr_add_opt=no)
+	  LIBS=$old_LIBS])
+	if test x"$smb_attr_cv_xattr_add_opt" = x"yes"; then
+		AC_DEFINE(XATTR_ADDITIONAL_OPTIONS, 1, [xattr functions have additional options])
+	fi
+	AC_DEFINE(HAVE_XATTR_SUPPORT,1,[Whether we have xattr support])
+	SMB_ENABLE(XATTR,YES)
+fi
+
-- 
cgit