Makefile - mirrors/cros/chromiumos/third_party/coreboot - Git at Google

 ##
 ## This file is part of the coreboot project.
 ##
 ## Copyright (C) 2008 Advanced Micro Devices, Inc.
 ## Copyright (C) 2008 Uwe Hermann <uwe@hermann-uwe.de>
 ## Copyright (C) 2009-2010 coresystems GmbH
 ## Copyright (C) 2011 secunet Security Networks AG
 ##
 ## Redistribution and use in source and binary forms, with or without
 ## modification, are permitted provided that the following conditions
 ## are met:
 ## 1. Redistributions of source code must retain the above copyright
 ##    notice, this list of conditions and the following disclaimer.
 ## 2. Redistributions in binary form must reproduce the above copyright
 ##    notice, this list of conditions and the following disclaimer in the
 ##    documentation and/or other materials provided with the distribution.
 ## 3. The name of the author may not be used to endorse or promote products
 ##    derived from this software without specific prior written permission.
 ##
 ## THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 ## ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 ## IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 ## ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 ## FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 ## DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 ## OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 ## HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 ## LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 ## OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 ## SUCH DAMAGE.
 ##

 # in addition to the dependency below, create the file if it doesn't exist
 # to silence stupid warnings about a file that would be generated anyway.
 $(if $(wildcard .xcompile),,$(eval $(shell util/xcompile/xcompile $(XGCCPATH) > .xcompile)))

 .xcompile: util/xcompile/xcompile
 	$< $(XGCCPATH) > $@.tmp
 	\mv -f $@.tmp $@ 2> /dev/null

 export top := $(CURDIR)
 export src := src
 export srck := $(top)/util/kconfig
 obj ?= build
 override obj := $(subst $(top)/,,$(abspath $(obj)))
 export obj
 export objutil ?= $(obj)/util
 export objk := $(objutil)/kconfig
 absobj := $(abspath $(obj))


 export KCONFIG_AUTOHEADER := $(obj)/config.h
 export KCONFIG_AUTOCONFIG := $(obj)/auto.conf
 export KCONFIG_DEPENDENCIES := $(obj)/auto.conf.cmd
 export KCONFIG_SPLITCONFIG := $(obj)/config
 export KCONFIG_TRISTATE := $(obj)/tristate.conf
 export KCONFIG_NEGATIVES := 1

 # 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

 # Disable implicit/built-in rules to make Makefile errors fail fast.
 .SUFFIXES:

 HOSTCC := gcc
 HOSTCXX = g++
 HOSTCFLAGS := -g
 HOSTCXXFLAGS := -g

 PREPROCESS_ONLY := -E -P -x assembler-with-cpp -undef -I .

 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 $(srck)/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 ($(filter %config %clean cross% lint% what-jenkins-does,$(MAKECMDGOALS)),)
 NOCOMPILE:=1
 endif
 ifeq ($(MAKECMDGOALS), %clean)
 NOMKDIR:=1
 endif
 endif

 ifeq ($(NOCOMPILE),1)
 include $(TOPLEVEL)/Makefile.inc
 real-all: config

 else

 include $(HAVE_DOTCONFIG)

 include .xcompile

 ifneq ($(CONFIG_MMX),y)
 CFLAGS_x86_32 += -mno-mmx
 endif

 include toolchain.inc

 strip_quotes = $(subst ",,$(subst \",,$(1)))

 # The primary target needs to be here before we include the
 # other files

 real-all: real-target

 # must come rather early
 .SECONDEXPANSION:

 $(KCONFIG_AUTOHEADER): $(KCONFIG_CONFIG)
 	$(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+= \
 			$$(subst $(absobj)/,$(obj)/, \
 			$$(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 $(call evaluate_subdirs))
 ifeq ($(FAILBUILD),1)
 $(error cannot continue build)
 endif

 # Eliminate duplicate mentions of source files in a class
 $(foreach class,$(classes),$(eval $(class)-srcs:=$(sort $($(class)-srcs))))

 # Converts one or more source file paths to their corresponding build/ paths.
 # Only .c and .S get converted to .o, other files (like .ld) keep their name.
 # $1 stage name
 # $2 file path (list)
 src-to-obj=$(foreach file,$(2),$(subst .$(1),,$(basename $(patsubst src/%,$(obj)/%,$(file)))).$(1)$(patsubst %.c,%.o,$(patsubst %.S,%.o,$(suffix $(file)))))

 $(foreach class,$(classes),$(eval $(class)-objs:=$(call src-to-obj,$(class),$($(class)-srcs))))

 # Save all objs before processing them (for dependency inclusion)
 originalobjs:=$(foreach var, $(addsuffix -objs,$(classes)), $($(var)))

 # Call post-processors if they're defined
 $(foreach class,$(classes),\
 	$(if $(value $(class)-postprocess),$(eval $(call $(class)-postprocess,$($(class)-objs)))))

 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, ld, ...)
 # $3 additional compiler flags
 # $4 additional dependencies
 ifn$(EMPTY)def $(1)-objs_$(2)_template
 de$(EMPTY)fine $(1)-objs_$(2)_template
 $$(call src-to-obj,$1,$$(1).$2): $$(1).$2 $(KCONFIG_AUTOHEADER) $(4)
 	@printf "    CC         $$$$(subst $$$$(obj)/,,$$$$(@))\n"
 	$(CC_$(1)) -MMD $$$$(CPPFLAGS_$(1)) $$$$(CFLAGS_$(1)) -MT $$$$(@) $(3) -c -o $$$$@ $$$$<
 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 $(class)-$(type)-ccopts += $(generic-$(type)-ccopts) $($(class)-generic-ccopts)) \
 		$(if $(generic-objs_$(type)_template_gen),$(eval $(call generic-objs_$(type)_template_gen,$(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 $(file)))_template,$(basename $(file)))))
 $(eval $(foreach class,$(classes),$(call foreach-src,$(class))))

 DEPENDENCIES += $(addsuffix .d,$(basename $(allobjs)))
 -include $(DEPENDENCIES)

 printall:
 	@$(foreach class,$(classes),echo $(class)-objs:=$($(class)-objs); )
 	@echo alldirs:=$(alldirs)
 	@echo allsrcs=$(allsrcs)
 	@echo DEPENDENCIES=$(DEPENDENCIES)
 	@$(foreach class,$(special-classes),echo $(class):='$($(class))'; )

 endif

 ifndef NOMKDIR
 $(shell mkdir -p $(KCONFIG_SPLITCONFIG) $(objk)/lxdialog $(additional-dirs) $(alldirs))
 endif

 cscope:
 	cscope -bR

 doxy: doxygen
 doxygen:
 	$(DOXYGEN) Documentation/Doxyfile.coreboot

 doxygen_simple:
 	$(DOXYGEN) Documentation/Doxyfile.coreboot_simple

 doxyclean: doxygen-clean
 doxygen-clean:
 	rm -rf $(DOXYGEN_OUTPUT_DIR)

 clean-for-update: doxygen-clean clean-for-update-target
 	rm -rf $(obj) .xcompile

 clean: clean-for-update clean-target
 	rm -f .ccwrap

 clean-cscope:
 	rm -f cscope.out

 distclean: clean
 	rm -f .config .config.old ..config.tmp .kconfig.d .tmpconfig* .ccwrap .xcompile

 .PHONY: $(PHONY) clean clean-for-update clean-cscope cscope distclean doxygen doxy doxygen_simple
	##
	## This file is part of the coreboot project.
	##
	## Copyright (C) 2008 Advanced Micro Devices, Inc.
	## Copyright (C) 2008 Uwe Hermann <uwe@hermann-uwe.de>
	## Copyright (C) 2009-2010 coresystems GmbH
	## Copyright (C) 2011 secunet Security Networks AG
	##
	## Redistribution and use in source and binary forms, with or without
	## modification, are permitted provided that the following conditions
	## are met:
	## 1. Redistributions of source code must retain the above copyright
	## notice, this list of conditions and the following disclaimer.
	## 2. Redistributions in binary form must reproduce the above copyright
	## notice, this list of conditions and the following disclaimer in the
	## documentation and/or other materials provided with the distribution.
	## 3. The name of the author may not be used to endorse or promote products
	## derived from this software without specific prior written permission.
	##
	## THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
	## ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	## IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	## ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
	## FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	## DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	## OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	## HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	## LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	## OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	## SUCH DAMAGE.
	##

	# in addition to the dependency below, create the file if it doesn't exist
	# to silence stupid warnings about a file that would be generated anyway.
	$(if $(wildcard .xcompile),,$(eval $(shell util/xcompile/xcompile $(XGCCPATH) > .xcompile)))

	.xcompile: util/xcompile/xcompile
	$< $(XGCCPATH) > $@.tmp
	\mv -f $@.tmp $@ 2> /dev/null

	export top := $(CURDIR)
	export src := src
	export srck := $(top)/util/kconfig
	obj ?= build
	override obj := $(subst $(top)/,,$(abspath $(obj)))
	export obj
	export objutil ?= $(obj)/util
	export objk := $(objutil)/kconfig
	absobj := $(abspath $(obj))


	export KCONFIG_AUTOHEADER := $(obj)/config.h
	export KCONFIG_AUTOCONFIG := $(obj)/auto.conf
	export KCONFIG_DEPENDENCIES := $(obj)/auto.conf.cmd
	export KCONFIG_SPLITCONFIG := $(obj)/config
	export KCONFIG_TRISTATE := $(obj)/tristate.conf
	export KCONFIG_NEGATIVES := 1

	# 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

	# Disable implicit/built-in rules to make Makefile errors fail fast.
	.SUFFIXES:

	HOSTCC := gcc
	HOSTCXX = g++
	HOSTCFLAGS := -g
	HOSTCXXFLAGS := -g

	PREPROCESS_ONLY := -E -P -x assembler-with-cpp -undef -I .

	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 $(srck)/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 ($(filter %config %clean cross% lint% what-jenkins-does,$(MAKECMDGOALS)),)
	NOCOMPILE:=1
	endif
	ifeq ($(MAKECMDGOALS), %clean)
	NOMKDIR:=1
	endif
	endif

	ifeq ($(NOCOMPILE),1)
	include $(TOPLEVEL)/Makefile.inc
	real-all: config

	else

	include $(HAVE_DOTCONFIG)

	include .xcompile

	ifneq ($(CONFIG_MMX),y)
	CFLAGS_x86_32 += -mno-mmx
	endif

	include toolchain.inc

	strip_quotes = $(subst ",,$(subst \",,$(1)))

	# The primary target needs to be here before we include the
	# other files

	real-all: real-target

	# must come rather early
	.SECONDEXPANSION:

	$(KCONFIG_AUTOHEADER): $(KCONFIG_CONFIG)
	$(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+= \
	$$(subst $(absobj)/,$(obj)/, \
	$$(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 $(call evaluate_subdirs))
	ifeq ($(FAILBUILD),1)
	$(error cannot continue build)
	endif

	# Eliminate duplicate mentions of source files in a class
	$(foreach class,$(classes),$(eval $(class)-srcs:=$(sort $($(class)-srcs))))

	# Converts one or more source file paths to their corresponding build/ paths.
	# Only .c and .S get converted to .o, other files (like .ld) keep their name.
	# $1 stage name
	# $2 file path (list)
	src-to-obj=$(foreach file,$(2),$(subst .$(1),,$(basename $(patsubst src/%,$(obj)/%,$(file)))).$(1)$(patsubst %.c,%.o,$(patsubst %.S,%.o,$(suffix $(file)))))

	$(foreach class,$(classes),$(eval $(class)-objs:=$(call src-to-obj,$(class),$($(class)-srcs))))

	# Save all objs before processing them (for dependency inclusion)
	originalobjs:=$(foreach var, $(addsuffix -objs,$(classes)), $($(var)))

	# Call post-processors if they're defined
	$(foreach class,$(classes),\
	$(if $(value $(class)-postprocess),$(eval $(call $(class)-postprocess,$($(class)-objs)))))

	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, ld, ...)
	# $3 additional compiler flags
	# $4 additional dependencies
	ifn$(EMPTY)def $(1)-objs_$(2)_template
	de$(EMPTY)fine $(1)-objs_$(2)_template
	$$(call src-to-obj,$1,$$(1).$2): $$(1).$2 $(KCONFIG_AUTOHEADER) $(4)
	@printf " CC $$$$(subst $$$$(obj)/,,$$$$(@))\n"
	$(CC_$(1)) -MMD $$$$(CPPFLAGS_$(1)) $$$$(CFLAGS_$(1)) -MT $$$$(@) $(3) -c -o $$$$@ $$$$<
	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 $(class)-$(type)-ccopts += $(generic-$(type)-ccopts) $($(class)-generic-ccopts)) \
	$(if $(generic-objs_$(type)_template_gen),$(eval $(call generic-objs_$(type)_template_gen,$(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 $(file)))_template,$(basename $(file)))))
	$(eval $(foreach class,$(classes),$(call foreach-src,$(class))))

	DEPENDENCIES += $(addsuffix .d,$(basename $(allobjs)))
	-include $(DEPENDENCIES)

	printall:
	@$(foreach class,$(classes),echo $(class)-objs:=$($(class)-objs); )
	@echo alldirs:=$(alldirs)
	@echo allsrcs=$(allsrcs)
	@echo DEPENDENCIES=$(DEPENDENCIES)
	@$(foreach class,$(special-classes),echo $(class):='$($(class))'; )

	endif

	ifndef NOMKDIR
	$(shell mkdir -p $(KCONFIG_SPLITCONFIG) $(objk)/lxdialog $(additional-dirs) $(alldirs))
	endif

	cscope:
	cscope -bR

	doxy: doxygen
	doxygen:
	$(DOXYGEN) Documentation/Doxyfile.coreboot

	doxygen_simple:
	$(DOXYGEN) Documentation/Doxyfile.coreboot_simple

	doxyclean: doxygen-clean
	doxygen-clean:
	rm -rf $(DOXYGEN_OUTPUT_DIR)

	clean-for-update: doxygen-clean clean-for-update-target
	rm -rf $(obj) .xcompile

	clean: clean-for-update clean-target
	rm -f .ccwrap

	clean-cscope:
	rm -f cscope.out

	distclean: clean
	rm -f .config .config.old ..config.tmp .kconfig.d .tmpconfig* .ccwrap .xcompile

	.PHONY: $(PHONY) clean clean-for-update clean-cscope cscope distclean doxygen doxy doxygen_simple