X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=arch%2Fsandbox%2Fcpu%2FMakefile;h=63dededf70f85125bbb67a9dce1c3cb31e6a23e6;hb=3e11350255d9c5d4bd03c2a65769da84c05d3294;hp=404ff6793f39d32148207e97fff13e823abcd13f;hpb=85b8c5c4bf80025de4632ae6c9a8a606e51508a4;p=u-boot

diff --git a/arch/sandbox/cpu/Makefile b/arch/sandbox/cpu/Makefile
index 404ff6793f..63dededf70 100644
--- a/arch/sandbox/cpu/Makefile
+++ b/arch/sandbox/cpu/Makefile
@@ -10,5 +10,10 @@
 obj-y	:= cpu.o os.o start.o state.o
 
 # os.c is build in the system environment, so needs standard includes
-$(obj)os.o: ALL_CFLAGS := $(filter-out -nostdinc,$(ALL_CFLAGS))
-$(obj).depend.os: CPPFLAGS := $(filter-out -nostdinc,$(CPPFLAGS))
+# CFLAGS_REMOVE_os.o cannot be used to drop header include path
+quiet_cmd_cc_os.o = CC $(quiet_modtag)  $@
+cmd_cc_os.o = $(CC) $(filter-out -nostdinc, \
+	$(patsubst -I%,-idirafter%,$(c_flags))) -c -o $@ $<
+
+$(obj)/os.o: $(src)/os.c FORCE
+	$(call if_changed_dep,cc_os.o)