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buildroot/Makefile

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Makefile
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# 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
DATE:=$(shell date -u +%Y%m%d)
noconfig_targets := menuconfig config oldconfig randconfig \
defconfig allyesconfig allnoconfig release tags \
source-check help
# $(shell find . -name *_defconfig |sed 's/.*\///')
# Pull in the user's configuration file
ifeq ($(filter $(noconfig_targets),$(MAKECMDGOALS)),)
-include $(TOPDIR).config
endif
# To put more focus on warnings, be less verbose as default
# Use 'make V=1' to see the full commands
ifdef V
ifeq ("$(origin V)", "command line")
KBUILD_VERBOSE = $(V)
endif
endif
ifndef KBUILD_VERBOSE
KBUILD_VERBOSE = 0
endif
ifeq ($(KBUILD_VERBOSE),1)
quiet=
Q =
else
quiet=quiet_
Q = @
endif
CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \
else if [ -x /bin/bash ]; then echo /bin/bash; \
else echo sh; fi ; fi)
export CONFIG_SHELL quiet Q KBUILD_VERBOSE
ifndef HOSTAR
HOSTAR:=ar
endif
ifndef HOSTAS
HOSTAS:=as
endif
ifndef HOSTCC
HOSTCC:=gcc
else
endif
ifndef HOSTCXX
HOSTCXX:=g++
endif
ifndef HOSTLD
HOSTLD:=ld
endif
ifndef HOSTLN
HOSTLN:=ln
endif
HOSTAR :=$(shell $(CONFIG_SHELL) -c "which $(HOSTAR)" || type -p $(HOSTAR) || echo ar)
HOSTAS :=$(shell $(CONFIG_SHELL) -c "which $(HOSTAS)" || type -p $(HOSTAS) || echo as)
HOSTCC :=$(shell $(CONFIG_SHELL) -c "which $(HOSTCC)" || type -p $(HOSTCC) || echo gcc)
HOSTCXX:=$(shell $(CONFIG_SHELL) -c "which $(HOSTCXX)" || type -p $(HOSTCXX) || echo g++)
HOSTLD :=$(shell $(CONFIG_SHELL) -c "which $(HOSTLD)" || type -p $(HOSTLD) || echo ld)
HOSTLN :=$(shell $(CONFIG_SHELL) -c "which $(HOSTLN)" || type -p $(HOSTLN) || echo ln)
ifndef CFLAGS_FOR_BUILD
CFLAGS_FOR_BUILD:=-g -O2
endif
export HOSTAR HOSTAS HOSTCC HOSTCXX HOSTLD
ifeq ($(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 "$(2)"; fi ;)
#############################################################
#
# Hide troublesome environment variables from sub processes
#
#############################################################
unexport CROSS_COMPILE
unexport ARCH
#############################################################
#
# Setup the proper filename extensions for the host
#
##############################################################
ifneq ($(findstring linux,$(BR2_GNU_BUILD_SUFFIX)),)
HOST_EXEEXT:=
HOST_LIBEXT:=.a
HOST_SHREXT:=.so
endif
ifneq ($(findstring apple,$(BR2_GNU_BUILD_SUFFIX)),)
HOST_EXEEXT:=
HOST_LIBEXT:=.a
HOST_SHREXT:=.dylib
endif
ifneq ($(findstring cygwin,$(BR2_GNU_BUILD_SUFFIX)),)
HOST_EXEEXT:=.exe
HOST_LIBEXT:=.lib
HOST_SHREXT:=.dll
endif
ifneq ($(findstring mingw,$(BR2_GNU_BUILD_SUFFIX)),)
HOST_EXEEXT:=.exe
HOST_LIBEXT:=.lib
HOST_SHREXT:=.dll
endif
# The preferred type of libs we build for the target
ifeq ($(BR2_PREFER_STATIC_LIB),y)
LIBTGTEXT=.a
#PREFERRED_LIB_FLAGS:=--disable-shared --enable-static
else
LIBTGTEXT=.so
#PREFERRED_LIB_FLAGS:=--disable-static --enable-shared
endif
PREFERRED_LIB_FLAGS:=--enable-static --enable-shared
#############################################################
#
# The list of stuff to build for the target toolchain
# along with the packages to build for the target.
#
##############################################################
ifeq ($(BR2_TOOLCHAIN_BUILDROOT),y)
TARGETS:=uclibc-configured binutils gcc uclibc-target-utils
else
TARGETS:=uclibc
endif
PROJECT:=$(strip $(subst ",,$(BR2_PROJECT)))
#"))
TARGET_HOSTNAME:=$(strip $(subst ",,$(BR2_HOSTNAME)))
#"))
BANNER:=$(strip $(subst ",,$(BR2_BANNER)))
#"))
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
ifeq ($(BR2_PACKAGE_LINUX),y)
TARGETS+=linux26-modules
endif
include package/*/*.mk
# target stuff is last so it can override anything else
include target/Makefile.in
TARGETS_CLEAN:=$(patsubst %,%-clean,$(TARGETS))
TARGETS_SOURCE:=$(patsubst %,%-source,$(TARGETS))
TARGETS_DIRCLEAN:=$(patsubst %,%-dirclean,$(TARGETS))
world: $(DL_DIR) $(BUILD_DIR) $(PROJECT_BUILD_DIR) \
$(BINARIES_DIR) $(STAGING_DIR) $(TARGET_DIR) bsp $(TARGETS)
dirs: $(DL_DIR) $(BUILD_DIR) $(PROJECT_BUILD_DIR) $(STAGING_DIR)
.PHONY: all world dirs clean dirclean distclean source bsp $(TARGETS) \
$(TARGETS_CLEAN) $(TARGETS_DIRCLEAN) $(TARGETS_SOURCE) \
$(DL_DIR) $(BUILD_DIR) $(TOOL_BUILD_DIR) $(STAGING_DIR) \
$(PROJECT_BUILD_DIR) $(BINARIES_DIR)
#############################################################
#
# staging and target directories do NOT list these as
# dependencies anywhere else
#
#############################################################
$(DL_DIR) $(BUILD_DIR) $(TOOL_BUILD_DIR) \
$(PROJECT_BUILD_DIR) $(BINARIES_DIR) :
@mkdir -p $@
$(STAGING_DIR):
@mkdir -p $(STAGING_DIR)/bin
@mkdir -p $(STAGING_DIR)/lib
ifeq ($(BR2_TOOLCHAIN_SYSROOT),y)
@mkdir -p $(STAGING_DIR)/usr/lib
else
@ln -snf . $(STAGING_DIR)/usr
@mkdir -p $(STAGING_DIR)/usr/$(REAL_GNU_TARGET_NAME)
@ln -snf ../lib $(STAGING_DIR)/usr/lib
@ln -snf ../lib $(STAGING_DIR)/usr/$(REAL_GNU_TARGET_NAME)/lib
endif
@mkdir -p $(STAGING_DIR)/usr/include
$(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
bsp: $(TARGET_DIR)/etc/issue $(TARGET_DIR)/etc/hostname
$(TARGET_DIR)/etc/issue: $(TARGET_DIR) .config
echo "" > $(TARGET_DIR)/etc/issue
echo "" >> $(TARGET_DIR)/etc/issue
echo "$(BANNER)" >> $(TARGET_DIR)/etc/issue
$(TARGET_DIR)/etc/hostname: $(TARGET_DIR) .config
echo "$(TARGET_HOSTNAME)" > $(TARGET_DIR)/etc/hostname
source: $(TARGETS_SOURCE) $(HOST_SOURCE)
_source-check:
$(MAKE) SPIDER=--spider 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) $(PROJECT_BUILD_DIR) $(BINARIES_DIR) \
$(LINUX_KERNEL) $(IMAGE) $(BASE_DIR)/include \
.config.cmd
$(MAKE) -C $(CONFIG) clean
sourceball:
rm -rf $(BUILD_DIR) $(PROJECT_BUILD_DIR) $(BINARIES_DIR)
set -e; \
cd ..; \
rm -f buildroot.tar.bz2; \
tar -cvf buildroot.tar buildroot; \
bzip2 -9 buildroot.tar; \
else # ifeq ($(strip $(BR2_HAVE_DOT_CONFIG)),y)
all: menuconfig
# configuration
# ---------------------------------------------------------------------------
HOSTCFLAGS=$(CFLAGS_FOR_BUILD)
export HOSTCFLAGS
$(CONFIG)/conf:
$(MAKE) CC="$(HOSTCC)" MAKECMDGOALS="$(MAKECMDGOALS)" \
-C $(CONFIG) conf
-@if [ ! -f .config ] ; then \
cp $(CONFIG_DEFCONFIG) .config; \
fi
$(CONFIG)/mconf:
$(MAKE) CC="$(HOSTCC)" MAKECMDGOALS="$(MAKECMDGOALS)" \
-C $(CONFIG) conf mconf
-@if [ ! -f .config ] ; then \
cp $(CONFIG_DEFCONFIG) .config; \
fi
menuconfig: $(CONFIG)/mconf
@-mkdir -p $(CONFIG)/buildroot-config
@KCONFIG_AUTOCONFIG=$(CONFIG)/buildroot-config/auto.conf \
KCONFIG_AUTOHEADER=$(CONFIG)/buildroot-config/autoconf.h \
$(CONFIG)/mconf $(CONFIG_CONFIG_IN)
config: $(CONFIG)/conf
@-mkdir -p $(CONFIG)/buildroot-config
@KCONFIG_AUTOCONFIG=$(CONFIG)/buildroot-config/auto.conf \
KCONFIG_AUTOHEADER=$(CONFIG)/buildroot-config/autoconf.h \
$(CONFIG)/conf $(CONFIG_CONFIG_IN)
oldconfig: $(CONFIG)/conf
@-mkdir -p $(CONFIG)/buildroot-config
@KCONFIG_AUTOCONFIG=$(CONFIG)/buildroot-config/auto.conf \
KCONFIG_AUTOHEADER=$(CONFIG)/buildroot-config/autoconf.h \
$(CONFIG)/conf -o $(CONFIG_CONFIG_IN)
randconfig: $(CONFIG)/conf
@-mkdir -p $(CONFIG)/buildroot-config
@KCONFIG_AUTOCONFIG=$(CONFIG)/buildroot-config/auto.conf \
KCONFIG_AUTOHEADER=$(CONFIG)/buildroot-config/autoconf.h \
$(CONFIG)/conf -r $(CONFIG_CONFIG_IN)
allyesconfig: $(CONFIG)/conf
cat $(CONFIG_DEFCONFIG) > .config
@-mkdir -p $(CONFIG)/buildroot-config
@KCONFIG_AUTOCONFIG=$(CONFIG)/buildroot-config/auto.conf \
KCONFIG_AUTOHEADER=$(CONFIG)/buildroot-config/autoconf.h \
$(CONFIG)/conf -y $(CONFIG_CONFIG_IN)
#sed -i -e "s/^CONFIG_DEBUG.*/# CONFIG_DEBUG is not set/" .config
allnoconfig: $(CONFIG)/conf
@-mkdir -p $(CONFIG)/buildroot-config
@KCONFIG_AUTOCONFIG=$(CONFIG)/buildroot-config/auto.conf \
KCONFIG_AUTOHEADER=$(CONFIG)/buildroot-config/autoconf.h \
$(CONFIG)/conf -n $(CONFIG_CONFIG_IN)
defconfig: $(CONFIG)/conf
@-mkdir -p $(CONFIG)/buildroot-config
@KCONFIG_AUTOCONFIG=$(CONFIG)/buildroot-config/auto.conf \
KCONFIG_AUTOHEADER=$(CONFIG)/buildroot-config/autoconf.h \
$(CONFIG)/conf -d $(CONFIG_CONFIG_IN)
# check if download URLs are outdated
source-check: allyesconfig
$(MAKE) _source-check
#############################################################
#
# 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)
%_defconfig: $(CONFIG)/conf
cp $(shell find ./target/ -name $@) .config
@$(CONFIG)/conf -o $(CONFIG_CONFIG_IN)
help:
@echo 'Cleaning:'
@echo ' clean - delete temporary files created by build'
@echo ' distclean - delete all non-source files (including .config)'
@echo
@echo 'Build:'
@echo ' all - make world'
@echo
@echo 'Configuration:'
@echo ' menuconfig - interactive curses-based configurator'
@echo ' oldconfig - resolve any unresolved symbols in .config'
@echo
@echo 'Miscellaneous:'
@echo ' source - download all sources needed for offline-build'
@echo ' source-check - check all packages for valid download URLS'
@echo
.PHONY: dummy subdirs release distclean clean config oldconfig \
menuconfig tags check test depend defconfig help
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