diff --git a/Makefile b/Makefile
index 2e54c9b..969dfe7 100644
--- a/Makefile
+++ b/Makefile
@@ -39,6 +39,9 @@ endif
 #### Flags given here are not intended to be overridden, but you can add more
 #### by defining CFLAGS in the environment or on the 'make' command line.
 
+cc-option = $(shell if $(CC) $(1) -c -x c /dev/null -o /dev/null \
+	      1>&2 2>/dev/null; then echo $(1); fi)
+
 override CFLAGS :=							\
 	$(CFLAGS) -O2 -fomit-frame-pointer -std=c99 -I. -Icommon	\
 	-Wall -Wundef							\
@@ -48,9 +51,6 @@ override CFLAGS :=							\
 	$(call cc-option,-Wstrict-prototypes)				\
 	$(call cc-option,-Wvla)
 
-cc-option = $(shell if $(CC) $(1) -c -x c /dev/null -o /dev/null \
-	      1>&2 2>/dev/null; then echo $(1); fi)
-
 ##############################################################################
 
 #### Quiet make is enabled by default.  Define V=1 to disable.