Branch b1_x_lnet_gate

Avoid compiler warning if _GNU_SOURCE is #defined already by Makefile.

Branch b1_x_lnet_gate
Avoid compiler warning if _GNU_SOURCE is #defined already by Makefile.
c0e21108 · Andreas Dilger · b3353068 · c0e21108
Commit c0e21108 authored 16 years ago by Andreas Dilger
--- a/lnet/ulnds/socklnd/usocklnd.h
+++ b/lnet/ulnds/socklnd/usocklnd.h
@@ -8,7 +8,9 @@
 *   Lustre is a trademark of Cluster File Systems, Inc.
 *
 */
+#ifndef _GNU_SOURCE
 #define _GNU_SOURCE
+#endif
 #include <pthread.h>
 #include <poll.h>
 #include <lnet/lib-lnet.h>