define bsd source to get access to chroot

git-svn-id: svn://svn.oetiker.ch/rrdtool/trunk/program@1241 a5681a0c-68f1-0310-ab6d-d61299d08faa

diff --git a/configure.ac b/configure.ac
index 9d1f5f9..494a06a 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -60,8 +60,9 @@ AH_TOP([
 
 AH_BOTTOM([
 /* make sure that we pickup the correct stuff from all headers */
-#define _XOPEN_SOURCE 600
 #ifdef HAVE_FEATURES_H
+#define _XOPEN_SOURCE 600
+#define _BSD_SOURCE 1
 # include <features.h>
 #endif