build: add the + token to any commands that can pass through the jobserver, fixes parallel build on some systems

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@33523 3c298f89-4303-0410-b956-a3cf2f4a3e73

include/host-build.mk

@@ -80,7 +80,7 @@ ifneq ($(HOST_OS),Darwin)
 endif
 
 define Host/Configure/Default
-	(cd $(HOST_BUILD_DIR)/$(3); \
+	$(if $(HOST_CONFIGURE_PARALLEL),+)(cd $(HOST_BUILD_DIR)/$(3); \
 		if [ -x configure ]; then \
 			$(CP) $(SCRIPT_DIR)/config.{guess,sub} $(HOST_BUILD_DIR)/$(3)/ && \
 			$(2) \
@@ -97,7 +97,7 @@ define Host/Configure
 endef
 
 define Host/Compile/Default
-	$(MAKE) $(HOST_JOBS) -C $(HOST_BUILD_DIR) \
+	+$(MAKE) $(HOST_JOBS) -C $(HOST_BUILD_DIR) \
 		$(HOST_MAKE_FLAGS) \
 		$(1)
 endef

include/package-defaults.mk

@@ -129,7 +129,7 @@ MAKE_INSTALL_FLAGS = \
 MAKE_PATH = .
 
 define Build/Compile/Default
-	$(MAKE_VARS) \
+	+$(MAKE_VARS) \
 	$(MAKE) $(PKG_JOBS) -C $(PKG_BUILD_DIR)/$(MAKE_PATH) \
 		$(MAKE_FLAGS) \
 		$(1);