Makefile - buildroot - Git at Google

 # Makefile for buildroot2
 #
 # Copyright (C) 1999-2005 by Erik Andersen <andersen@codepoet.org>
 #
 # 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; either version 2 of the License, or
 # (at your option) any later version.
 #
 # 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 #

 #--------------------------------------------------------------
 # Just run 'make menuconfig', configure stuff, then run 'make'.
 # You shouldn't need to mess with anything beyond this point...
 #--------------------------------------------------------------
 TOPDIR=./
 CONFIG_CONFIG_IN = Config.in
 CONFIG_DEFCONFIG = .defconfig
 CONFIG = package/config

 noconfig_targets := menuconfig config oldconfig randconfig \
 	defconfig allyesconfig allnoconfig release tags    \

 #	$(shell find . -name *_defconfig |sed 's/.*\///')

 # Pull in the user's configuration file
 ifeq ($(filter $(noconfig_targets),$(MAKECMDGOALS)),)
 -include $(TOPDIR).config
 endif

 ifeq ($(strip $(BR2_HAVE_DOT_CONFIG)),y)

 # cc-option
 # Usage: cflags-y += $(call cc-option, -march=winchip-c6, -march=i586)
 # sets -march=winchip-c6 if supported else falls back to -march=i586
 # without checking the latter.
 cc-option = $(shell if $(TARGET_CC) $(TARGET_CFLAGS) $(1) -S -o /dev/null -xc /dev/null \
 	> /dev/null 2>&1; then echo "$(1)"; else echo "$(2)"; fi ;)


 #############################################################
 #
 # Setup the proper filename extensions for the target
 #
 ##############################################################
 ifneq ($(findstring linux,$(BR2_GNU_BUILD_SUFFIX)),)
 EXEEXT:=
 LIBEXT:=.a
 SHREXT:=.so
 endif
 ifneq ($(findstring apple,$(BR2_GNU_BUILD_SUFFIX)),)
 EXEEXT:=
 LIBEXT:=.a
 SHREXT:=.dylib
 endif
 ifneq ($(findstring cygwin,$(BR2_GNU_BUILD_SUFFIX)),)
 EXEEXT:=.exe
 LIBEXT:=.lib
 SHREXT:=.dll
 endif
 ifneq ($(findstring mingw,$(BR2_GNU_BUILD_SUFFIX)),)
 EXEEXT:=.exe
 LIBEXT:=.lib
 SHREXT:=.dll
 endif

 ifeq ($(BR2_PREFER_STATIC_LIB),y)
 LIBTGTEXT=$(LIBEXT)
 else
 LIBTGTEXT=$(SHREXT)
 endif


 #############################################################
 #
 # The list of stuff to build for the target toolchain
 # along with the packages to build for the target.
 #
 ##############################################################
 ifeq ($(BR2_TOOLCHAIN_BUILDROOT),y)
 TARGETS:=uclibc-configured binutils gcc uclibc-target-utils
 else
 TARGETS:=uclibc
 endif
 include toolchain/Makefile.in
 include package/Makefile.in

 #############################################################
 #
 # You should probably leave this stuff alone unless you know
 # what you are doing.
 #
 #############################################################

 all:   world

 # In this section, we need .config
 include .config.cmd

 # We also need the various per-package makefiles, which also add
 # each selected package to TARGETS if that package was selected
 # in the .config file.
 include toolchain/*/*.mk
 include package/*/*.mk

 # target stuff is last so it can override anything else
 include target/Makefile.in

 TARGETS_CLEAN:=$(patsubst %,%-clean,$(TARGETS))
 TARGETS_SOURCE:=$(patsubst %,%-source,$(TARGETS))
 TARGETS_DIRCLEAN:=$(patsubst %,%-dirclean,$(TARGETS))

 world: $(DL_DIR) $(BUILD_DIR) $(STAGING_DIR) $(TARGET_DIR) $(TARGETS)
 dirs: $(DL_DIR) $(BUILD_DIR) $(STAGING_DIR)

 .PHONY: all world dirs clean dirclean distclean source $(TARGETS) \
 	$(TARGETS_CLEAN) $(TARGETS_DIRCLEAN) $(TARGETS_SOURCE) \
 	$(DL_DIR) $(BUILD_DIR) $(TOOL_BUILD_DIR) $(STAGING_DIR)

 #############################################################
 #
 # staging and target directories do NOT list these as
 # dependencies anywhere else
 #
 #############################################################
 $(DL_DIR) $(BUILD_DIR) $(TOOL_BUILD_DIR):
 	@mkdir -p $@

 $(STAGING_DIR):
 	@mkdir -p $(STAGING_DIR)/bin
 	@mkdir -p $(STAGING_DIR)/lib
 	@mkdir -p $(STAGING_DIR)/include
 	@mkdir -p $(STAGING_DIR)/usr
 	@mkdir -p $(STAGING_DIR)/$(REAL_GNU_TARGET_NAME)
 	@ln -snf ../include $(STAGING_DIR)/usr/include
 	@ln -snf ../lib $(STAGING_DIR)/usr/lib
 	@ln -snf ../lib $(STAGING_DIR)/$(REAL_GNU_TARGET_NAME)/lib

 $(TARGET_DIR):
 	mkdir -p $(TARGET_DIR)
 	if [ -d "$(TARGET_SKELETON)" ] ; then \
 		cp -fa $(TARGET_SKELETON)/* $(TARGET_DIR)/; \
 	fi;
 	touch $(STAGING_DIR)/.fakeroot.00000
 	-find $(TARGET_DIR) -type d -name CVS | xargs rm -rf
 	-find $(TARGET_DIR) -type d -name .svn | xargs rm -rf

 source: $(TARGETS_SOURCE) $(HOST_SOURCE)

 #############################################################
 #
 # Cleanup and misc junk
 #
 #############################################################
 clean: $(TARGETS_CLEAN)
 	rm -rf $(STAGING_DIR) $(TARGET_DIR) $(IMAGE)

 dirclean: $(TARGETS_DIRCLEAN)
 	rm -rf $(STAGING_DIR) $(TARGET_DIR) $(IMAGE)

 distclean:
 ifeq ($(DL_DIR),$(BASE_DIR)/dl)
 	rm -rf $(DL_DIR)
 endif
 	rm -rf $(BUILD_DIR) $(LINUX_KERNEL) $(IMAGE)
 	$(MAKE) -C $(CONFIG) clean

 sourceball:
 	rm -rf $(BUILD_DIR)
 	set -e; \
 	cd ..; \
 	rm -f buildroot.tar.bz2; \
 	tar -cvf buildroot.tar buildroot; \
 	bzip2 -9 buildroot.tar; \


 else # ifeq ($(strip $(BR2_HAVE_DOT_CONFIG)),y)

 all: menuconfig

 # configuration
 # ---------------------------------------------------------------------------

 $(CONFIG)/conf:
 	$(MAKE) -C $(CONFIG) conf
 	-@if [ ! -f .config ] ; then \
 		cp $(CONFIG_DEFCONFIG) .config; \
 	fi
 $(CONFIG)/mconf:
 	$(MAKE) -C $(CONFIG) ncurses conf mconf
 	-@if [ ! -f .config ] ; then \
 		cp $(CONFIG_DEFCONFIG) .config; \
 	fi

 menuconfig: $(CONFIG)/mconf
 	@$(CONFIG)/mconf $(CONFIG_CONFIG_IN)

 config: $(CONFIG)/conf
 	@$(CONFIG)/conf $(CONFIG_CONFIG_IN)

 oldconfig: $(CONFIG)/conf
 	@$(CONFIG)/conf -o $(CONFIG_CONFIG_IN)

 randconfig: $(CONFIG)/conf
 	@$(CONFIG)/conf -r $(CONFIG_CONFIG_IN)

 allyesconfig: $(CONFIG)/conf
 	#@$(CONFIG)/conf -y $(CONFIG_CONFIG_IN)
 	#sed -i -e "s/^CONFIG_DEBUG.*/# CONFIG_DEBUG is not set/" .config
 	@$(CONFIG)/conf -o $(CONFIG_CONFIG_IN)

 allnoconfig: $(CONFIG)/conf
 	@$(CONFIG)/conf -n $(CONFIG_CONFIG_IN)

 defconfig: $(CONFIG)/conf
 	@$(CONFIG)/conf -d $(CONFIG_CONFIG_IN)

 %_defconfig: $(CONFIG)/conf
 	cp $(shell find . -name $@) .config
 	@$(CONFIG)/conf -o $(CONFIG_CONFIG_IN)

 #############################################################
 #
 # Cleanup and misc junk
 #
 #############################################################
 clean:
 	rm -f .config .config.old .config.cmd .tmpconfig.h
 	- $(MAKE) -C $(CONFIG) clean

 distclean: clean
 	rm -rf sources/*

 endif # ifeq ($(strip $(BR2_HAVE_DOT_CONFIG)),y)

 .PHONY: dummy subdirs release distclean clean config oldconfig \
 	menuconfig tags check test depend defconfig
	# Makefile for buildroot2
	#
	# Copyright (C) 1999-2005 by Erik Andersen <andersen@codepoet.org>
	#
	# 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; either version 2 of the License, or
	# (at your option) any later version.
	#
	# 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	#

	#--------------------------------------------------------------
	# Just run 'make menuconfig', configure stuff, then run 'make'.
	# You shouldn't need to mess with anything beyond this point...
	#--------------------------------------------------------------
	TOPDIR=./
	CONFIG_CONFIG_IN = Config.in
	CONFIG_DEFCONFIG = .defconfig
	CONFIG = package/config

	noconfig_targets := menuconfig config oldconfig randconfig \
	defconfig allyesconfig allnoconfig release tags \

	# $(shell find . -name _defconfig \|sed 's/.\///')

	# Pull in the user's configuration file
	ifeq ($(filter $(noconfig_targets),$(MAKECMDGOALS)),)
	-include $(TOPDIR).config
	endif

	ifeq ($(strip $(BR2_HAVE_DOT_CONFIG)),y)

	# cc-option
	# Usage: cflags-y += $(call cc-option, -march=winchip-c6, -march=i586)
	# sets -march=winchip-c6 if supported else falls back to -march=i586
	# without checking the latter.
	cc-option = $(shell if $(TARGET_CC) $(TARGET_CFLAGS) $(1) -S -o /dev/null -xc /dev/null \
	> /dev/null 2>&1; then echo "$(1)"; else echo "$(2)"; fi ;)


	#############################################################
	#
	# Setup the proper filename extensions for the target
	#
	##############################################################
	ifneq ($(findstring linux,$(BR2_GNU_BUILD_SUFFIX)),)
	EXEEXT:=
	LIBEXT:=.a
	SHREXT:=.so
	endif
	ifneq ($(findstring apple,$(BR2_GNU_BUILD_SUFFIX)),)
	EXEEXT:=
	LIBEXT:=.a
	SHREXT:=.dylib
	endif
	ifneq ($(findstring cygwin,$(BR2_GNU_BUILD_SUFFIX)),)
	EXEEXT:=.exe
	LIBEXT:=.lib
	SHREXT:=.dll
	endif
	ifneq ($(findstring mingw,$(BR2_GNU_BUILD_SUFFIX)),)
	EXEEXT:=.exe
	LIBEXT:=.lib
	SHREXT:=.dll
	endif

	ifeq ($(BR2_PREFER_STATIC_LIB),y)
	LIBTGTEXT=$(LIBEXT)
	else
	LIBTGTEXT=$(SHREXT)
	endif



	#############################################################
	#
	# The list of stuff to build for the target toolchain
	# along with the packages to build for the target.
	#
	##############################################################
	ifeq ($(BR2_TOOLCHAIN_BUILDROOT),y)
	TARGETS:=uclibc-configured binutils gcc uclibc-target-utils
	else
	TARGETS:=uclibc
	endif
	include toolchain/Makefile.in
	include package/Makefile.in

	#############################################################
	#
	# You should probably leave this stuff alone unless you know
	# what you are doing.
	#
	#############################################################

	all: world

	# In this section, we need .config
	include .config.cmd

	# We also need the various per-package makefiles, which also add
	# each selected package to TARGETS if that package was selected
	# in the .config file.
	include toolchain//.mk
	include package//.mk

	# target stuff is last so it can override anything else
	include target/Makefile.in

	TARGETS_CLEAN:=$(patsubst %,%-clean,$(TARGETS))
	TARGETS_SOURCE:=$(patsubst %,%-source,$(TARGETS))
	TARGETS_DIRCLEAN:=$(patsubst %,%-dirclean,$(TARGETS))

	world: $(DL_DIR) $(BUILD_DIR) $(STAGING_DIR) $(TARGET_DIR) $(TARGETS)
	dirs: $(DL_DIR) $(BUILD_DIR) $(STAGING_DIR)

	.PHONY: all world dirs clean dirclean distclean source $(TARGETS) \
	$(TARGETS_CLEAN) $(TARGETS_DIRCLEAN) $(TARGETS_SOURCE) \
	$(DL_DIR) $(BUILD_DIR) $(TOOL_BUILD_DIR) $(STAGING_DIR)

	#############################################################
	#
	# staging and target directories do NOT list these as
	# dependencies anywhere else
	#
	#############################################################
	$(DL_DIR) $(BUILD_DIR) $(TOOL_BUILD_DIR):
	@mkdir -p $@

	$(STAGING_DIR):
	@mkdir -p $(STAGING_DIR)/bin
	@mkdir -p $(STAGING_DIR)/lib
	@mkdir -p $(STAGING_DIR)/include
	@mkdir -p $(STAGING_DIR)/usr
	@mkdir -p $(STAGING_DIR)/$(REAL_GNU_TARGET_NAME)
	@ln -snf ../include $(STAGING_DIR)/usr/include
	@ln -snf ../lib $(STAGING_DIR)/usr/lib
	@ln -snf ../lib $(STAGING_DIR)/$(REAL_GNU_TARGET_NAME)/lib

	$(TARGET_DIR):
	mkdir -p $(TARGET_DIR)
	if [ -d "$(TARGET_SKELETON)" ] ; then \
	cp -fa $(TARGET_SKELETON)/* $(TARGET_DIR)/; \
	fi;
	touch $(STAGING_DIR)/.fakeroot.00000
	-find $(TARGET_DIR) -type d -name CVS \| xargs rm -rf
	-find $(TARGET_DIR) -type d -name .svn \| xargs rm -rf

	source: $(TARGETS_SOURCE) $(HOST_SOURCE)

	#############################################################
	#
	# Cleanup and misc junk
	#
	#############################################################
	clean: $(TARGETS_CLEAN)
	rm -rf $(STAGING_DIR) $(TARGET_DIR) $(IMAGE)

	dirclean: $(TARGETS_DIRCLEAN)
	rm -rf $(STAGING_DIR) $(TARGET_DIR) $(IMAGE)

	distclean:
	ifeq ($(DL_DIR),$(BASE_DIR)/dl)
	rm -rf $(DL_DIR)
	endif
	rm -rf $(BUILD_DIR) $(LINUX_KERNEL) $(IMAGE)
	$(MAKE) -C $(CONFIG) clean

	sourceball:
	rm -rf $(BUILD_DIR)
	set -e; \
	cd ..; \
	rm -f buildroot.tar.bz2; \
	tar -cvf buildroot.tar buildroot; \
	bzip2 -9 buildroot.tar; \


	else # ifeq ($(strip $(BR2_HAVE_DOT_CONFIG)),y)

	all: menuconfig

	# configuration
	# ---------------------------------------------------------------------------

	$(CONFIG)/conf:
	$(MAKE) -C $(CONFIG) conf
	-@if [ ! -f .config ] ; then \
	cp $(CONFIG_DEFCONFIG) .config; \
	fi
	$(CONFIG)/mconf:
	$(MAKE) -C $(CONFIG) ncurses conf mconf
	-@if [ ! -f .config ] ; then \
	cp $(CONFIG_DEFCONFIG) .config; \
	fi

	menuconfig: $(CONFIG)/mconf
	@$(CONFIG)/mconf $(CONFIG_CONFIG_IN)

	config: $(CONFIG)/conf
	@$(CONFIG)/conf $(CONFIG_CONFIG_IN)

	oldconfig: $(CONFIG)/conf
	@$(CONFIG)/conf -o $(CONFIG_CONFIG_IN)

	randconfig: $(CONFIG)/conf
	@$(CONFIG)/conf -r $(CONFIG_CONFIG_IN)

	allyesconfig: $(CONFIG)/conf
	#@$(CONFIG)/conf -y $(CONFIG_CONFIG_IN)
	#sed -i -e "s/^CONFIG_DEBUG.*/# CONFIG_DEBUG is not set/" .config
	@$(CONFIG)/conf -o $(CONFIG_CONFIG_IN)

	allnoconfig: $(CONFIG)/conf
	@$(CONFIG)/conf -n $(CONFIG_CONFIG_IN)

	defconfig: $(CONFIG)/conf
	@$(CONFIG)/conf -d $(CONFIG_CONFIG_IN)

	%_defconfig: $(CONFIG)/conf
	cp $(shell find . -name $@) .config
	@$(CONFIG)/conf -o $(CONFIG_CONFIG_IN)

	#############################################################
	#
	# Cleanup and misc junk
	#
	#############################################################
	clean:
	rm -f .config .config.old .config.cmd .tmpconfig.h
	- $(MAKE) -C $(CONFIG) clean

	distclean: clean
	rm -rf sources/*

	endif # ifeq ($(strip $(BR2_HAVE_DOT_CONFIG)),y)

	.PHONY: dummy subdirs release distclean clean config oldconfig \
	menuconfig tags check test depend defconfig