--- source_release/adobe/cmath.hpp~	2015-08-05 12:10:17.637727832 +0100
+++ source_release/adobe/cmath.hpp	2015-08-05 12:24:28.811279909 +0100
@@ -36,19 +36,12 @@
 
 #define ADOBE_HAS_CPP_CMATH 
 
-#elif __GNUC__ == 4 
-#if (__GNUC_MINOR__ < 6) || (!(defined(_GLIBCXX_USE_C99_MATH_TR1)))
-// at least Ubuntu 9.x, gcc 4.4.1, still falls into this case
-/*
-    The currently supported version of GNUC has C99 extensions in math.h. But no TR1 extensions.
-*/
+#elif __GNUC__ >= 4 
+
+// GNUC has C99 extensions in math.h but not in <cmath> until C++11.
 #define ADOBE_HAS_C99_MATH_H
 #include <cmath>
-#else 
-#include <tr1/cmath>
-s
-#define ADOBE_HAS_C99_STD_MATH_H
-#endif
+
 #endif
 
 #elif defined(_MSC_VER)