sandbox: Use system headers first for sandbox's os.c in a different way

[platform/kernel/u-boot.git] / arch / sandbox / cpu / Makefile

diff --git a/arch/sandbox/cpu/Makefile b/arch/sandbox/cpu/Makefile
index 58c2537..b564294 100644 (file)
--- a/arch/sandbox/cpu/Makefile
+++ b/arch/sandbox/cpu/Makefile
@@ -10,7 +10,7 @@
 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 := $(BASE_CPPFLAGS) \
-       $(patsubst %, -idirafter %, $(BASE_INCLUDE_DIRS))
-$(obj).depend.os: CPPFLAGS := $(BASE_CPPFLAGS) \
-       $(patsubst %, -idirafter %, $(BASE_INCLUDE_DIRS))
+$(obj)os.o: CFLAGS := $(filter-out -nostdinc,\
+       $(patsubst -I%,-idirafter%,$(CFLAGS)))
+$(obj).depend.os: CPPFLAGS := $(filter-out -nostdinc,\
+       $(patsubst -I%,-idirafter%,$(CPPFLAGS)))