diff -ur root-6.06.02.orig/interpreter/CMakeLists.txt root-6.06.02/interpreter/CMakeLists.txt
--- root-6.06.02.orig/interpreter/CMakeLists.txt	2016-03-03 10:36:03.000000000 +0100
+++ root-6.06.02/interpreter/CMakeLists.txt	2016-03-20 17:33:36.288203832 +0100
@@ -40,7 +40,7 @@
 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${INTERP_ADDITIONAL_FLAGS}")
 
 #---Do not transform warnings in errors-------------------------------------------------------------
-string(REPLACE "-Werror" "" CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS})
+string(REPLACE "-Werror " "" CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS})
 
 #---Build LLVM/Clang with symbol visibility=hidden--------------------------------------------------
 ROOT_ADD_CXX_FLAG(CMAKE_CXX_FLAGS -fvisibility=hidden)