[target] derive system from hostcc to allow building inside a chroot

[openwrt.git] / toolchain / kernel-headers / Makefile

diff --git a/toolchain/kernel-headers/Makefile b/toolchain/kernel-headers/Makefile
index ca8a78f..7f0962e 100644 (file)
--- a/toolchain/kernel-headers/Makefile
+++ b/toolchain/kernel-headers/Makefile
@@ -36,6 +36,7 @@ HOST_EXTRACFLAGS=
 LINUX_HAS_HEADERS_INSTALL:=y
 
 KMAKE := $(MAKE) -C $(HOST_BUILD_DIR) \
+       HOSTCFLAGS="$(HOST_CFLAGS) -Wall -Wmissing-prototypes -Wstrict-prototypes" \
        ARCH=$(LINUX_KARCH) \
        CC="$(KERNEL_CC)" \
        CFLAGS="$(TARGET_CFLAGS)" \