diff -up ./flintxx/test/helpers.h.orig ./flintxx/test/helpers.h
--- ./flintxx/test/helpers.h.orig	2015-08-13 10:16:22.000000000 -0600
+++ ./flintxx/test/helpers.h	2015-10-16 11:28:37.038369958 -0600
@@ -55,9 +55,9 @@
 #elif defined(__GNUC__)
 // gcc 4.7.3 is good enough, supposedly all higher ones are too
 #define HAVE_FAST_COMPILER \
-    (__GNUC__ >= 4 && \
-         ((__GNUC_MINOR__ == 7 && __GNUC_PATCHLEVEL__ >= 3) \
-          || (__GNUC_MINOR__ > 7)))
+    (__GNUC__ > 4 || (__GNUC_ == 4 && \
+        (__GNUC_MINOR__ > 7 || (__GNUC_MINOR__ == 7 && \
+            __GNUC_PATCHLEVEL__ >= 3))))
 #else
 #define HAVE_FAST_COMPILER 0
 #endif