X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=configure.ac;h=7cadc3bd3cfdab8b0d58538c0453750abdf7c75d;hb=82336d4b8f2f2227e733cf3078378ed87fd6e79c;hp=101520f5d05d1fd5a8f77f3be9a66231c9fb9b94;hpb=c1a96caa82a48ed49a02c92e9d79e93b95ef3b06;p=rrdtool.git

diff --git a/configure.ac b/configure.ac
index 101520f..7cadc3b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -61,6 +61,8 @@ AH_TOP([
 AH_BOTTOM([
 /* make sure that we pickup the correct stuff from all headers */
 #ifdef HAVE_FEATURES_H
+#undef _XOPEN_SOURCE /* keep unmodified */
+#undef _BSD_SOURCE /* keep unmodified */
 #define _XOPEN_SOURCE 600
 #define _BSD_SOURCE 1
 # include <features.h>