build: add a config option for passing the top-level make jobserver to packages that...

[openwrt/staging/nbd.git] / include / toplevel.mk

diff --git a/include/toplevel.mk b/include/toplevel.mk
index f4a2ee06038a95f0ca2f1d936e286de18d30dfcf..ba5af9c1557bd64b0520e6e96ee2f0ea912a83e8 100644 (file)
--- a/include/toplevel.mk
+++ b/include/toplevel.mk
@@ -17,6 +17,7 @@ else
   REVISION:=$(shell $(TOPDIR)/scripts/getver.sh)
 endif
 
+HOSTCC ?= gcc
 OPENWRTVERSION:=$(RELEASE)$(if $(REVISION), ($(REVISION)))
 export RELEASE
 export REVISION
@@ -32,7 +33,7 @@ unexport P4PORT P4USER P4CONFIG P4CLIENT
 # prevent user defaults for quilt from interfering
 unexport QUILT_PATCHES QUILT_PATCH_OPTS
 
-unexport C_INCLUDE_PATH
+unexport C_INCLUDE_PATH CROSS_COMPILE ARCH
 
 # prevent distro default LPATH from interfering
 unexport LPATH
@@ -69,12 +70,12 @@ prepare-tmpinfo: FORCE
        fi
 
 scripts/config/mconf:
-       @$(_SINGLE)$(SUBMAKE) -s -C scripts/config all
+       @$(_SINGLE)$(SUBMAKE) -s -C scripts/config all CC="$(HOSTCC)"
 
 $(eval $(call rdep,scripts/config,scripts/config/mconf))
 
 scripts/config/conf:
-       @$(_SINGLE)$(SUBMAKE) -s -C scripts/config conf
+       @$(_SINGLE)$(SUBMAKE) -s -C scripts/config conf CC="$(HOSTCC)"
 
 config: scripts/config/conf prepare-tmpinfo FORCE
        $< Config.in
@@ -147,7 +148,7 @@ prereq:: prepare-tmpinfo .config
                        echo "WARNING: your configuration is out of sync. Please run make menuconfig, oldconfig or defconfig!"; \
                fi \
        )
-       @+$(SUBMAKE) -r $@
+       @+$(SUBMAKE) -r $@ MAKE_JOBSERVER="$(filter --jobserver% -j,$(MAKEFLAGS))"
 
 help:
        cat README