svn commit: samba r16052 - in branches/SAMBA_4_0/source/lib/util: .

[abartlet at samba.org]

Author: abartlet
Date: 2006-06-05 21:51:10 +0000 (Mon, 05 Jun 2006)
New Revision: 16052

WebSVN: http://websvn.samba.org/cgi-bin/viewcvs.cgi?view=rev&root=samba&rev=16052

Log:
Add .m4 file for XATTR detection (from ntvfs/posix/config.m4)

Andrew Bartlett

Added:
   branches/SAMBA_4_0/source/lib/util/xattr.m4


Changeset:
Added: branches/SAMBA_4_0/source/lib/util/xattr.m4
===================================================================
--- branches/SAMBA_4_0/source/lib/util/xattr.m4	2006-06-05 21:48:29 UTC (rev 16051)
+++ branches/SAMBA_4_0/source/lib/util/xattr.m4	2006-06-05 21:51:10 UTC (rev 16052)
@@ -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
+