kbuild: fix up CFLAGS usage
Only in very rare cases is it needed to change CFLAGS
outside of arch/*/Makefile.
Fix up all wrong cases - in most cases
the use of EXTRA_CFLAGS is the only thing needed.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
diff --git a/arch/x86/math-emu/Makefile b/arch/x86/math-emu/Makefile
index 9c943fa..9b0c63b 100644
--- a/arch/x86/math-emu/Makefile
+++ b/arch/x86/math-emu/Makefile
@@ -5,8 +5,7 @@
#DEBUG = -DDEBUGGING
DEBUG =
PARANOID = -DPARANOID
-CFLAGS := $(CFLAGS) $(PARANOID) $(DEBUG) -fno-builtin $(MATH_EMULATION)
-
+EXTRA_CFLAGS := $(PARANOID) $(DEBUG) -fno-builtin $(MATH_EMULATION)
EXTRA_AFLAGS := $(PARANOID)
# From 'C' language sources: