Conditionally #define _GNU_SOURCE in compile.c

diff --git a/compile.c b/compile.c
index 248d363e8eece0a555a48413255451471e3d637b..f634284f1e435ca0b1277af42cf3f48d59d3d3f6 100644 (file)
--- a/compile.c
+++ b/compile.c
@@ -1,4 +1,6 @@
+#ifndef _GNU_SOURCE
 #define _GNU_SOURCE // for strdup
+#endif
 #include <assert.h>
 #include <string.h>
 #include <stdlib.h>