[klibc] Add -nostdinc -iwithprefix include
Avoid including system headers, except the compiler's own.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
diff --git a/scripts/Kbuild.klibc b/scripts/Kbuild.klibc
index bbb86f4..b4c4ee5 100644
--- a/scripts/Kbuild.klibc
+++ b/scripts/Kbuild.klibc
@@ -66,7 +66,8 @@
# Defines used when compiling early userspace (klibc programs)
# ---------------------------------------------------------------------------
-KLIBCREQFLAGS := $(call cc-option, -fno-stack-protector, )
+KLIBCREQFLAGS := $(call cc-option, -fno-stack-protector, ) \
+ -nostdinc -iwithprefix include
KLIBCARCHREQFLAGS :=
KLIBCOPTFLAGS :=
KLIBCWARNFLAGS := -W -Wall -Wno-sign-compare -Wno-unused-parameter
