--- Lib/typemaps/fragments.swg.orig	2016-02-02 14:42:14.223467628 +0000
+++ Lib/typemaps/fragments.swg	2016-02-02 14:43:41.840491612 +0000
@@ -175,6 +175,8 @@
 # elif defined(__sun) && defined(__SVR4)
 #  include <ieeefp.h>
 #  define SWIG_isfinite(X) (finite(X))
+# elif defined(__GNUC__)
+#  define SWIG_isfinite(X) (__builtin_isfinite(X))
 # endif
 #endif
 %}