# SPDX-License-Identifier: GPL-2.0-or-later # Early coreboot specific configuration KBUILD_KCONFIG ?= src/Kconfig export LC_ALL=C export LANG=C DEFCONFIG ?= defconfig # Include original Makefile, with just enough edits to work for us $(objk)/Makefile.real: $(dir $(lastword $(MAKEFILE_LIST)))Makefile mkdir -p $(objk) sed \ -e "s,\$$(obj),\$$(objk),g" \ -e "s,\$$(src),\$$(srck),g" \ -e "s,^help:,help_kconfig help::," \ -e "s,^%.config:,__disable__&," \ -e "s,^savedefconfig:,__disable__&," \ -e "s,\$$(srctree)/arch/\$$(SRCARCH)/configs/\$$(KBUILD_DEFCONFIG),\$$(KBUILD_DEFCONFIG)," \ -e "s,--defconfig=arch/\$$(SRCARCH)/configs/\$$(KBUILD_DEFCONFIG),--defconfig=\$$(KBUILD_DEFCONFIG)," \ -e "/^unexport CONFIG_$$/d" \ $< > $@.tmp mv $@.tmp $@ kecho := echo cmd = $(cmd_$(1)) cmd_conf_cfg = $< $(addprefix $(obj)/$*conf-, cflags libs bin); touch $(obj)/$*conf-bin ### # Read a file, replacing newlines with spaces # # Make 4.2 or later can read a file by using its builtin function. # # Imported from Linux upstream: # commit 6768fa4bcb6c1618248f135d04b9287ba2724ae0 # Author: Masahiro Yamada <masahiroy@kernel.org> ifneq ($(filter-out 3.% 4.0 4.1, $(MAKE_VERSION)),) read-file = $(subst $(newline),$(space),$(file < $1)) else read-file = $(shell cat $1 2>/dev/null) endif -include $(objk)/Makefile.real unexport KCONFIG_DEFCONFIG_LIST # Fill in Linux kconfig build rules to work savedefconfig: $(objk)/conf cp $(DOTCONFIG) $(DEFCONFIG) chmod +w $(DEFCONFIG) $< --savedefconfig=$(DEFCONFIG) $(KBUILD_KCONFIG) FORCE: filechk=$< > $@ $(objk)/%.o: $(srck)/%.c $(HOSTCC) -I $(srck) -I $(objk) -c $(HOSTCFLAGS_$(notdir $@)) -o $@ $< $(objk)/%.o: $(srck)/%.cc $(HOSTCXX) -I $(srck) -I $(objk) -c $(HOSTCXXFLAGS_$(notdir $@)) -o $@ $< $(objk)/%.o: $(objk)/%.c $(HOSTCC) -I $(srck) -I $(objk) -c -o $@ $< $(objk)/%.moc: $(srck)/%.h | $(objk)/qconf-cfg $(call cmd_moc) define hostprogs_template # $1 entry in hostprogs $(objk)/$(1): $$(foreach _o,$$($(1)-objs) $$($(1)-cxxobjs),$(objk)/$$(_o)) | $(wildcard $(objk)/$(1)-cfg) $$(HOSTCXX) -o $$@ $$^ $$(HOSTLDLIBS_$(1)) endef $(foreach prog,$(hostprogs),$(eval $(call hostprogs_template,$(prog)))) # This might be a bit of a chicken & egg problem, using a kconfig flag when # building kconfig, but if you're messing with the parser you probably know # what you're doing: make CONFIG_UTIL_GENPARSER=y ifeq ($(CONFIG_UTIL_GENPARSER),y) $(objk)/%.tab.c $(objk)/%.tab.h: $(srck)/%.y bison -t -l --defines -b $(objk)/$* $< $(objk)/%.lex.c: $(srck)/%.l flex -L -o$@ $< else # !CONFIG_UTIL_GENPARSER $(objk)/parser.tab.c: | $(objk)/parser.tab.h $(objk)/%: $(srck)/%_shipped cp $< $@ endif # Support mingw by shipping our own regex implementation _OS=$(shell uname -s |cut -c-7) regex-objs= ifeq ($(_OS),MINGW32) regex-objs=regex.o endif $(objk)/regex.o: $(srck)/regex.c $(HOSTCC) $(HOSTCFLAGS) $(HOST_EXTRACFLAGS) -DHAVE_STRING_H -c -o $@ $< conf-objs += $(regex-objs) mconf-objs += $(regex-objs) # Provide tool to convert kconfig output into Ada format $(objk)/toada: $(objk)/toada.o $(HOSTCC) $(HOSTCFLAGS) $(HOST_EXTRACFLAGS) -o $@ $^ $(objk)/toada.o: $(srck)/toada.c $(HOSTCC) $(HOSTCFLAGS) $(HOST_EXTRACFLAGS) -c -o $@ $<