## ## This file is part of the coreboot project. ## ## Copyright (C) 2008 Advanced Micro Devices, Inc. ## Copyright (C) 2008 Uwe Hermann ## Copyright (C) 2009-2010 coresystems GmbH ## Copyright (C) 2011 secunet Security Networks AG ## ## This program is free software; you can redistribute it and/or modify ## it under the terms of the GNU General Public License as published by ## the Free Software Foundation; version 2 of the License. ## ## This program is distributed in the hope that it will be useful, ## but WITHOUT ANY WARRANTY; without even the implied warranty of ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ## GNU General Public License for more details. ## ## You should have received a copy of the GNU General Public License ## along with this program; if not, write to the Free Software ## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA ## ifeq ($(INNER_SCANBUILD),y) CC_real:=$(CC) endif $(if $(wildcard .xcompile),,$(eval $(shell bash util/xcompile/xcompile > .xcompile))) include .xcompile ifeq ($(INNER_SCANBUILD),y) CC:=$(CC_real) HOSTCC:=$(CC_real) --hostcc HOSTCXX:=$(CC_real) --hostcxx endif export top := $(CURDIR) export src := src export srck := $(top)/util/kconfig export obj ?= build export objutil ?= $(obj)/util export objk := $(objutil)/kconfig export KCONFIG_AUTOHEADER := $(obj)/config.h export KCONFIG_AUTOCONFIG := $(obj)/auto.conf # directory containing the toplevel Makefile.inc TOPLEVEL := . CONFIG_SHELL := sh KBUILD_DEFCONFIG := configs/defconfig UNAME_RELEASE := $(shell uname -r) DOTCONFIG ?= .config KCONFIG_CONFIG = $(DOTCONFIG) export KCONFIG_CONFIG HAVE_DOTCONFIG := $(wildcard $(DOTCONFIG)) MAKEFLAGS += -rR --no-print-directory # Make is silent per default, but 'make V=1' will show all compiler calls. Q:=@ ifneq ($(V),1) ifneq ($(Q),) .SILENT: endif endif HOSTCC = gcc HOSTCXX = g++ HOSTCFLAGS := -I$(srck) -I$(objk) -g HOSTCXXFLAGS := -I$(srck) -I$(objk) LIBGCC_FILE_NAME := $(shell test -r `$(CC) -print-libgcc-file-name` && $(CC) -print-libgcc-file-name) DOXYGEN := doxygen DOXYGEN_OUTPUT_DIR := doxygen all: real-all # This include must come _before_ the pattern rules below! # Order _does_ matter for pattern rules. include util/kconfig/Makefile # 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) include $(TOPLEVEL)/Makefile.inc real-all: config else include $(HAVE_DOTCONFIG) ifneq ($(INNER_SCANBUILD),y) ifeq ($(CONFIG_COMPILER_LLVM_CLANG),y) CC:=clang -m32 HOSTCC:=clang endif endif ifeq ($(CONFIG_CCACHE),y) CCACHE:=$(word 1,$(wildcard $(addsuffix /ccache,$(subst :, ,$(PATH))))) ifeq ($(CCACHE),) $(error ccache selected, but not found in PATH) endif CCACHE:=CCACHE_COMPILERCHECK=content CCACHE_BASEDIR=$(top) $(CCACHE) CC := $(CCACHE) $(CC) HOSTCC := $(CCACHE) $(HOSTCC) HOSTCXX := $(CCACHE) $(HOSTCXX) ROMCC := $(CCACHE) $(ROMCC) endif strip_quotes = $(subst ",,$(subst \",,$(1))) # The primary target needs to be here before we include the # other files ifeq ($(INNER_SCANBUILD),y) CONFIG_SCANBUILD_ENABLE:= endif ifeq ($(CONFIG_SCANBUILD_ENABLE),y) ifneq ($(CONFIG_SCANBUILD_REPORT_LOCATION),) CONFIG_SCANBUILD_REPORT_LOCATION:=-o $(CONFIG_SCANBUILD_REPORT_LOCATION) endif real-all: echo '#!/bin/sh' > .ccwrap echo 'CC="$(CC)"' >> .ccwrap echo 'if [ "$$1" = "--hostcc" ]; then shift; CC="$(HOSTCC)"; fi' >> .ccwrap echo 'if [ "$$1" = "--hostcxx" ]; then shift; CC="$(HOSTCXX)"; fi' >> .ccwrap echo 'eval $$CC $$*' >> .ccwrap chmod +x .ccwrap scan-build $(CONFIG_SCANBUILD_REPORT_LOCATION) -analyze-headers --use-cc=$(top)/.ccwrap --use-c++=$(top)/.ccwrap $(MAKE) INNER_SCANBUILD=y else real-all: real-target endif # must come rather early .SECONDEXPANSION: $(obj)/config.h: $(MAKE) oldconfig # Add a new class of source/object files to the build system add-class= \ $(eval $(1)-srcs:=) \ $(eval $(1)-objs:=) \ $(eval classes+=$(1)) # Special classes are managed types with special behaviour # On parse time, for each entry in variable $(1)-y # a handler $(1)-handler is executed with the arguments: # * $(1): directory the parser is in # * $(2): current entry add-special-class= \ $(eval $(1):=) \ $(eval special-classes+=$(1)) # Clean -y variables, include Makefile.inc # Add paths to files in X-y to X-srcs # Add subdirs-y to subdirs includemakefiles= \ $(foreach class,classes subdirs $(classes) $(special-classes), $(eval $(class)-y:=)) \ $(eval -include $(1)) \ $(foreach class,$(classes-y), $(call add-class,$(class))) \ $(foreach class,$(classes), \ $(eval $(class)-srcs+= \ $$(subst $(top)/,, \ $$(abspath $$(subst $(dir $(1))/,/,$$(addprefix $(dir $(1)),$$($(class)-y))))))) \ $(foreach special,$(special-classes), \ $(foreach item,$($(special)-y), $(call $(special)-handler,$(dir $(1)),$(item)))) \ $(eval subdirs+=$$(subst $(CURDIR)/,,$$(abspath $$(addprefix $(dir $(1)),$$(subdirs-y))))) # For each path in $(subdirs) call includemakefiles # Repeat until subdirs is empty evaluate_subdirs= \ $(eval cursubdirs:=$(subdirs)) \ $(eval subdirs:=) \ $(foreach dir,$(cursubdirs), \ $(eval $(call includemakefiles,$(dir)/Makefile.inc))) \ $(if $(subdirs),$(eval $(call evaluate_subdirs))) # collect all object files eligible for building subdirs:=$(TOPLEVEL) $(eval $(call evaluate_subdirs)) src-to-obj=$(addsuffix .$(1).o, $(basename $(patsubst src/%, $(obj)/%, $($(1)-srcs)))) $(foreach class,$(classes),$(eval $(class)-objs:=$(call src-to-obj,$(class)))) allsrcs:=$(foreach var, $(addsuffix -srcs,$(classes)), $($(var))) allobjs:=$(foreach var, $(addsuffix -objs,$(classes)), $($(var))) alldirs:=$(sort $(abspath $(dir $(allobjs)))) # macro to define template macros that are used by use_template macro define create_cc_template # $1 obj class # $2 source suffix (c, S) # $3 additional compiler flags # $4 additional dependencies ifn$(EMPTY)def $(1)-objs_$(2)_template de$(EMPTY)fine $(1)-objs_$(2)_template $(obj)/$$(1).$(1).o: src/$$(1).$(2) $(obj)/config.h $(4) @printf " CC $$$$(subst $$$$(obj)/,,$$$$(@))\n" $(CC) $(3) -MMD $$$$(CFLAGS) -c -o $$$$@ $$$$< en$(EMPTY)def end$(EMPTY)if endef filetypes-of-class=$(subst .,,$(sort $(suffix $($(1)-srcs)))) $(foreach class,$(classes), \ $(foreach type,$(call filetypes-of-class,$(class)), \ $(eval $(call create_cc_template,$(class),$(type),$($(class)-$(type)-ccopts),$($(class)-$(type)-deps))))) foreach-src=$(foreach file,$($(1)-srcs),$(eval $(call $(1)-objs_$(subst .,,$(suffix $(file)))_template,$(subst src/,,$(basename $(file)))))) $(eval $(foreach class,$(classes),$(call foreach-src,$(class)))) DEPENDENCIES = $(allobjs:.o=.d) -include $(DEPENDENCIES) printall: @$(foreach class,$(classes),echo $(class)-objs:=$($(class)-objs); ) @echo alldirs:=$(alldirs) @echo allsrcs=$(allsrcs) @echo DEPENDENCIES=$(DEPENDENCIES) @echo LIBGCC_FILE_NAME=$(LIBGCC_FILE_NAME) @$(foreach class,$(special-classes),echo $(class):='$($(class))'; ) endif $(shell mkdir -p $(obj) $(objutil)/kconfig/lxdialog $(additional-dirs) $(alldirs)) cscope: cscope -bR doxy: doxygen doxygen: $(DOXYGEN) documentation/Doxyfile.coreboot doxyclean: doxygen-clean doxygen-clean: rm -rf $(DOXYGEN_OUTPUT_DIR) clean-for-update: doxygen-clean clean-for-update-target rm -f $(allobjs) .xcompile rm -f $(DEPENDENCIES) rmdir -p $(alldirs) 2>/dev/null >/dev/null || true clean: clean-for-update clean-target rm -f .ccwrap clean-cscope: rm -f cscope.out distclean: clean-cscope rm -rf $(obj) rm -f .config .config.old ..config.tmp .kconfig.d .tmpconfig* .ccwrap .xcompile .PHONY: $(PHONY) clean clean-cscope cscope distclean doxygen doxy .xcompile