diff -up linux-3.10.0-327.el7.i686/Makefile.orig linux-3.10.0-327.el7.i686/Makefile
--- linux-3.10.0-327.el7.i686/Makefile.orig 2015-11-21 22:47:53.504052764 -0500
+++ linux-3.10.0-327.el7.i686/Makefile 2015-11-21 22:51:28.459056797 -0500
@@ -383,7 +383,7 @@ KBUILD_CFLAGS := -Wall -Wundef -Wstric
ifneq ($(WITH_GCOV),1)
ifeq ($(KBUILD_EXTMOD),)
-ifneq (,$(filter $(ARCH), x86 x86_64 powerpc))
+ifneq (,$(filter $(ARCH), x86_64 powerpc))
KBUILD_CFLAGS += $(call cc-ifversion, -eq, 0408, -Werror)
endif
# powerpc is compiled with -O3 and gcc 4.8 has some known problems