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[librseq.git] / src / percpu-op.c

diff --git a/src/percpu-op.c b/src/percpu-op.c
index 2a054b87e9c79bce446242d86aa0611a944e8021..51089f6b9cf01ae15635db6677b14ff87081d674 100644 (file)
--- a/src/percpu-op.c
+++ b/src/percpu-op.c
@@ -15,6 +15,8 @@
  * Lesser General Public License for more details.
  */
 
+#ifndef _GNU_SOURCE
 #define _GNU_SOURCE
+#endif
 #include <rseq/rseq.h>
 #include <rseq/cpu-op.h>