Test availability of __has_feature macro

lovell · May 11, 2015 · e07a105 · e07a105
1 parent 4f72dcb
commit e07a105
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/src/common.cc b/src/common.cc
@@ -14,9 +14,11 @@
 #error GCC version 4.6+ is required for C++11 features - see https://github.com/lovell/sharp#prerequisites
 #endif
 
-#if (defined(__clang__) && !__has_feature(cxx_range_for))
+#if (defined(__clang__) && defined(__has_feature))
+#if (!__has_feature(cxx_range_for))
 #error clang version 3.0+ is required for C++11 features - see https://github.com/lovell/sharp#prerequisites
 #endif
+#endif
 
 namespace sharp {