X-Git-Url: https://git.archive.openwrt.org/?a=blobdiff_plain;f=include%2Ftoplevel.mk;h=23d70ac81a1d3d092ab68bbc2a3aa16644d0241d;hb=acd4dc4149f1493eedc1f9e2029db97fa4209023;hp=5e8e6dd1badf805586e71d3e10b69de3dbef5425;hpb=b2fb1adf63474178ff5658a61c66c0b1401e7992;p=openwrt.git

diff --git a/include/toplevel.mk b/include/toplevel.mk
index 5e8e6dd1ba..23d70ac81a 100644
--- a/include/toplevel.mk
+++ b/include/toplevel.mk
@@ -43,6 +43,13 @@ unexport LPATH
 # make sure that a predefined CFLAGS variable does not disturb packages
 export CFLAGS=
 
+ifneq ($(shell $(HOSTCC) 2>&1 | grep clang),)
+  export HOSTCC_REAL?=$(HOSTCC)
+  export HOSTCC_WRAPPER:=$(TOPDIR)/scripts/clang-gcc-wrapper
+else
+  export HOSTCC_WRAPPER:=$(HOSTCC)
+endif
+
 ifeq ($(FORCE),)
   .config scripts/config/conf scripts/config/mconf: tmp/.prereq-build
 endif
@@ -74,12 +81,12 @@ prepare-tmpinfo: FORCE
 	fi
 
 scripts/config/mconf:
-	@$(_SINGLE)$(SUBMAKE) -s -C scripts/config all CC="$(HOSTCC)"
+	@$(_SINGLE)$(SUBMAKE) -s -C scripts/config all CC="$(HOSTCC_WRAPPER)"
 
 $(eval $(call rdep,scripts/config,scripts/config/mconf))
 
 scripts/config/conf:
-	@$(_SINGLE)$(SUBMAKE) -s -C scripts/config conf CC="$(HOSTCC)"
+	@$(_SINGLE)$(SUBMAKE) -s -C scripts/config conf CC="$(HOSTCC_WRAPPER)"
 
 config: scripts/config/conf prepare-tmpinfo FORCE
 	$< Config.in
@@ -89,10 +96,16 @@ config-clean: FORCE
 
 defconfig: scripts/config/conf prepare-tmpinfo FORCE
 	touch .config
-	$< -D .config Config.in
+	@if [ -e $(HOME)/.openwrt/defconfig ]; then cp $(HOME)/.openwrt/defconfig .config; fi
+	$< --defconfig=.config Config.in
+
+confdefault-y=allyes
+confdefault-m=allmod
+confdefault-n=allno
+confdefault:=$(confdefault-$(CONFDEFAULT))
 
 oldconfig: scripts/config/conf prepare-tmpinfo FORCE
-	$< -$(if $(CONFDEFAULT),$(CONFDEFAULT),o) Config.in
+	$< --$(if $(confdefault),$(confdefault),old)config Config.in
 
 menuconfig: scripts/config/mconf prepare-tmpinfo FORCE
 	if [ \! -e .config -a -e $(HOME)/.openwrt/defconfig ]; then \
@@ -147,7 +160,7 @@ prereq:: prepare-tmpinfo .config
 	@+$(PREP_MK) $(NO_TRACE_MAKE) -r -s prereq
 	@( \
 		cp .config tmp/.config; \
-		./scripts/config/conf -D tmp/.config -w tmp/.config Config.in > /dev/null 2>&1; \
+		./scripts/config/conf --defconfig=tmp/.config -w tmp/.config Config.in > /dev/null 2>&1; \
 		if ./scripts/kconfig.pl '>' .config tmp/.config | grep -q CONFIG; then \
 			printf "$(_R)WARNING: your configuration is out of sync. Please run make menuconfig, oldconfig or defconfig!$(_N)\n" >&2; \
 		fi \