diff --git a/Makefile b/Makefile index cdbba2b4f9..f83804523b 100644 --- a/Makefile +++ b/Makefile @@ -69,8 +69,21 @@ LIBGCC_FILE_NAME := $(shell test -r `$(CC) -print-libgcc-file-name` && $(CC) -pr DOXYGEN := doxygen DOXYGEN_OUTPUT_DIR := doxygen +# Three cases where we don't need fully populated $(obj) lists: +# 1. when no .config exists +# 2. when make config (in any flavour) is run +# 3. when make distclean is run +# Don't waste time on reading all Makefile.incs in these cases ifeq ($(strip $(HAVE_DOTCONFIG)),) +NOCOMPILE:=1 +endif +ifneq ($(MAKECMDGOALS),) +ifneq ($(filter %config distclean,$(MAKECMDGOALS)),) +NOCOMPILE:=1 +endif +endif +ifeq ($(NOCOMPILE),1) all: config else @@ -294,9 +307,7 @@ coreboot: prepare $(obj)/coreboot.rom endif prepare: - mkdir -p $(obj) - mkdir -p $(objutil)/kconfig/lxdialog $(objutil)/cbfstool $(objutil)/romcc $(objutil)/options - test -n "$(alldirs)" && mkdir -p $(alldirs) || true + mkdir -p $(obj) $(objutil)/kconfig/lxdialog $(objutil)/cbfstool $(objutil)/romcc $(objutil)/options $(alldirs) $(obj)/build.h: .xcompile @printf " GEN build.h\n" @@ -342,9 +353,9 @@ clean-for-update: doxygen-clean clean: clean-for-update rm -f $(obj)/coreboot* .ccwrap -distclean: clean +distclean: rm -rf $(obj) - rm -f .config .config.old ..config.tmp .kconfig.d .tmpconfig* + rm -f .config .config.old ..config.tmp .kconfig.d .tmpconfig* .ccwrap .xcompile update: dongle.py -c /dev/term/1 $(obj)/coreboot.rom EOF