Index: trunk/FACT++/CMakeLists.txt
===================================================================
--- trunk/FACT++/CMakeLists.txt	(revision 19790)
+++ trunk/FACT++/CMakeLists.txt	(revision 19791)
@@ -46,6 +46,6 @@
 ELSEIF ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
     SET(CLANG_MIN 3.8)
-    IF (CMAKE_C_COMPILER_VERSION VERSION_LESS 3.8 OR
-        CMAKE_CXX_COMPILER_VERSION VERSION_LESS 3.8)
+    IF (CMAKE_C_COMPILER_VERSION VERSION_LESS CLANG_MIN OR
+        CMAKE_CXX_COMPILER_VERSION VERSION_LESS CLANG_MIN)
         MESSAGE(FATAL_ERROR "\n  clang/clang++ ${CLANG_MIN} or higher is required.\n  You are running version ${CMAKE_C_COMPILER_VERSION}/${CMAKE_CXX_COMPILER_VERSION}.")
     ENDIF()