--- CMakeLists.txt
+++ CMakeLists.txt
@@ -69,7 +69,7 @@
-  # Use -Werror for clang only.
+if(0)
   if(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
     if(NOT CMAKE_CXX_FLAGS MATCHES "-Werror")
       set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Werror")
     endif(NOT CMAKE_CXX_FLAGS MATCHES "-Werror")
   endif(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
-
+endif()