Remove annoying CW warning.

diff --git a/scripts/rules.mk b/scripts/rules.mk
index c15d0cdf04258e8fc9bf5bca6901a06ad23f34a3..d346a424924edb3c426392cbf6f4b141180fa7a2 100644 (file)
--- a/scripts/rules.mk
+++ b/scripts/rules.mk
@@ -259,7 +259,7 @@ all: module_config $(build-exe-y) $(build-hex-y) $(build-lib-y) $(build-bin-y) $
 %.s: %.sx\r
        @echo\r
        @echo "  >> CPP $(notdir $<)"\r
-       $(Q)$(CPP) $(CPP_ASM_FLAGS) -o $@ $(addprefix -I,$(inc-y)) $(addprefix -D,$(def-y)) $<\r
+       $(Q)$(CPP) $(CPP_ASM_FLAGS) $(CPPOUT) $@ $(addprefix -I,$(inc-y)) $(addprefix -D,$(def-y)) $<\r
 \r
 # Board linker files are in the board directory \r
 inc-y += $(ROOTDIR)/boards/$(BOARDDIR)\r