diff -r 000000000000 -r 6474c204b198 js/src/js-confdefs.h.in
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/js-confdefs.h.in	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,13 @@
+/* List of defines generated by configure. Included with preprocessor flag,
+ * -include, to avoid long list of -D defines on the compile command-line.
+ * Do not edit.
+ */
+
+#ifndef js_confdefs_h
+#define js_confdefs_h
+
+@ALLDEFINES@
+
+#include "js/RequiredDefines.h"
+
+#endif /* js_confdefs_h */