-Werror triggers on base-gcc

Index: CMakeLists.txt
--- CMakeLists.txt.orig
+++ CMakeLists.txt
@@ -23,7 +23,6 @@ if (ENABLE_CUSTOM_COMPILER_FLAGS)
             -pedantic
             -Wall
             -Wextra
-            -Werror
             -Wstrict-prototypes
             -Wwrite-strings
             -Wshadow
