--- cvsroot/microscheme/scheme.c	2015/12/02 17:01:18	1.64
+++ cvsroot/microscheme/scheme.c	2015/12/02 17:01:51	1.65
@@ -18,10 +18,9 @@
  *
  */
 
-#define _GNU_SOURCE 1
 #define _POSIX_C_SOURCE 200201
 #define _XOPEN_SOURCE 600
-
+#define _GNU_SOURCE 1 /* for malloc mremap */
 
 #define SCHEME_SOURCE
 #include "scheme-private.h"