diff --git a/Makefile.target b/Makefile.target
index 4b8005570e..dbb2263fa6 100644
--- a/Makefile.target
+++ b/Makefile.target
@@ -21,12 +21,6 @@ endif
 
 PROGS=$(QEMU_PROG)
 
-# cc-option
-# Usage: CFLAGS+=$(call cc-option, $(CFLAGS), -falign-functions=0, -malign-functions=0)
-
-cc-option = $(shell if $(CC) $(1) $(2) -S -o /dev/null -xc /dev/null \
-              > /dev/null 2>&1; then echo "$(2)"; else echo "$(3)"; fi ;)
-
 HELPER_CFLAGS=
 
 ifeq ($(ARCH),i386)
diff --git a/rules.mak b/rules.mak
index 8d6d96e5b1..f9d0ca09e3 100644
--- a/rules.mak
+++ b/rules.mak
@@ -17,3 +17,9 @@ LINK = $(call quiet-command,$(CC) $(LDFLAGS) -o $@ $(1) $(ARLIBS_BEGIN) $(ARLIBS
 	$(call quiet-command,rm -f $@ && $(AR) rcs $@ $^,"  AR    $(TARGET_DIR)$@")
 
 quiet-command = $(if $(V),$1,$(if $(2),@echo $2 && $1, @$1))
+
+# cc-option
+# Usage: CFLAGS+=$(call cc-option, $(CFLAGS), -falign-functions=0, -malign-functions=0)
+
+cc-option = $(shell if $(CC) $(1) $(2) -S -o /dev/null -xc /dev/null \
+              > /dev/null 2>&1; then echo "$(2)"; else echo "$(3)"; fi ;)