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- # Makefile for a simple busybox/uClibc root filesystem
- #
- # Copyright (C) 2001-2003 Erik Andersen <andersen@codepoet.org>
- # Copyright (C) 2002 by Tim Riker <Tim@Rikers.org>
- #
- # This program is free software; you can redistribute it and/or modify
- # it under the terms of the GNU Library 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
- # Library General Public License for more details.
- #
- # You should have received a copy of the GNU Library 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
- TARGETS=
- #############################################################
- #
- # EDIT this stuff to suit your system and preferences
- #
- # Use := when possible to get precomputation, thereby
- # speeding up the build process.
- #
- #############################################################
- # What sortof target system shall we compile this for?
- ARCH:=i386
- #ARCH:=arm
- #ARCH:=powerpc
- #ARCH:=whatever
- # enable to build a native gcc toolchain with uclibc support
- USE_UCLIBC_TOOLCHAIN:=true
- # If you are building a native gcc toolchain, do you want to
- # build the old gcc-2.95 based toolchain, or would you prefer
- # a nice and shiny new gcc-3.2.1 toolchain?
- GCC_2_95_TOOLCHAIN:=false
- # Enable this to use the uClibc daily snapshot instead of a released
- # version. Daily snapshots may contain new features and bugfixes. Or
- # they may not even compile at all, depending on what Erik is doing...
- USE_UCLIBC_SNAPSHOT:=false
- # Enable this to use the busybox daily snapshot instead of a released
- # version. Daily snapshots may contain new features and bugfixes. Or
- # they may not even compile at all....
- USE_BUSYBOX_SNAPSHOT:=false
- # Enable large file (files > 2 GB) support
- BUILD_WITH_LARGEFILE:=true
- # Command used to download source code
- WGET:=wget --passive-ftp
- # Optimize toolchain for which type of CPU?
- OPTIMIZE_FOR_CPU=$(ARCH)
- #OPTIMIZE_FOR_CPU=i486
- #OPTIMIZE_FOR_CPU=strongarm
- #OPTIMIZE_FOR_CPU=whatever
- # Any additional gcc options you may want to include....
- EXTRA_GCC_CONFIG_OPTIONS=
- #EXTRA_GCC_CONFIG_OPTIONS=--without-float
- #############################################################
- #
- # The list of stuff to build for the target filesystem
- #
- #############################################################
- # The toolchain comes next if we are building one
- ifeq ($(USE_UCLIBC_TOOLCHAIN),true)
- TARGETS+=uclibc_toolchain
- endif
- # Do you want user mode Linux (x86 only), or are you building a
- # real kernel # that will run on its own? Perhaps you have a
- # kernel you have already configured and you want to use that?
- #TARGETS+=linux
- #TARGETS+=user-mode-linux
- TARGETS+=system-linux
- # The default minimal set
- TARGETS+=busybox tinylogin
- # Openssh...
- #TARGETS+=zlib openssl openssh
- # Everything needed to build a full uClibc development system!
- #TARGETS+=coreutils findutils bash make diffutils patch sed
- #TARGETS+=ed flex bison file gawk tar grep gcc_target
- # Of course, if you are installing a development system, you
- # may want some header files so you can compile stuff....
- #TARGETS+=ncurses-headers zlib-headers openssl-headers
- # More development system stuff for those that want it
- #TARGETS+=m4 autoconf automake libtool
- # Some nice debugging tools
- #TARGETS+=gdb strace
- # The Valgrind debugger (x86 only)
- #TARGETS+=valgrind
- # Some stuff for access points and firewalls
- #TARGETS+=iptables hostap wtools dhcp_relay bridge
- # Run customize.mk at the very end to add your own special config.
- # This is useful for making your own distro within the buildroot
- # process.
- # TARGETS+=customize
- #############################################################
- #
- # Pick your root filesystem type.
- #
- #############################################################
- TARGETS+=ext2root
- # Must mount cramfs with 'ramdisk_blocksize=4096'
- #TARGETS+=cramfsroot
- # You may need to edit make/jffs2root.mk to change target
- # endian-ness or similar, but this is sufficient for most
- # things as-is...
- #TARGETS+=jffs2root
- #############################################################
- #
- # You should probably leave this stuff alone unless you know
- # what you are doing.
- #
- #############################################################
- HOSTCC:=gcc
- BASE_DIR:=${shell pwd}
- SOURCE_DIR:=$(BASE_DIR)/sources
- DL_DIR:=$(SOURCE_DIR)/dl
- PATCH_DIR=$(SOURCE_DIR)/patches
- BUILD_DIR:=$(BASE_DIR)/build
- TARGET_DIR:=$(BUILD_DIR)/root
- STAGING_DIR=$(BUILD_DIR)/staging_dir
- TOOL_BUILD_DIR=$(BASE_DIR)/build
- TARGET_PATH=$(STAGING_DIR)/bin:/bin:/sbin:/usr/bin:/usr/sbin
- TARGET_CROSS=$(STAGING_DIR)/bin/$(ARCH)-uclibc-
- TARGET_CC=$(TARGET_CROSS)gcc
- STRIP=$(TARGET_CROSS)strip --remove-section=.comment --remove-section=.note
- #STRIP:=/bin/true
- IMAGE:=$(BASE_DIR)/root_fs
- GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux
- KERNEL_CROSS=$(STAGING_DIR)/bin/$(ARCH)-uclibc-
- HOST_ARCH:=$(shell $(HOSTCC) -dumpmachine | sed -e s'/-.*//' \
- -e 's/sparc.*/sparc/' \
- -e 's/arm.*/arm/g' \
- -e 's/m68k.*/m68k/' \
- -e 's/ppc/powerpc/g' \
- -e 's/v850.*/v850/g' \
- -e 's/sh[234]/sh/' \
- -e 's/mips-.*/mips/' \
- -e 's/mipsel-.*/mipsel/' \
- -e 's/cris.*/cris/' \
- )
- GNU_HOST_NAME:=$(HOST_ARCH)-pc-linux-gnu
- TARGET_CONFIGURE_OPTS=PATH=$(TARGET_PATH) \
- AR=$(TARGET_CROSS)ar \
- AS=$(TARGET_CROSS)as \
- LD=$(TARGET_CROSS)ld \
- NM=$(TARGET_CROSS)nm \
- CC=$(TARGET_CROSS)gcc \
- GCC=$(TARGET_CROSS)gcc \
- CXX=$(TARGET_CROSS)g++ \
- RANLIB=$(TARGET_CROSS)ranlib
- all: world
- TARGETS_CLEAN:=$(patsubst %,%-clean,$(TARGETS))
- TARGETS_SOURCE:=$(patsubst %,%-source,$(TARGETS))
- TARGETS_DIRCLEAN:=$(patsubst %,%-dirclean,$(TARGETS))
- world: $(DL_DIR) $(BUILD_DIR) $(STAGING_DIR) $(TARGET_DIR) $(TARGETS)
- .PHONY: all world clean dirclean distclean source $(TARGETS) \
- $(TARGETS_CLEAN) $(TARGETS_DIRCLEAN) $(TARGETS_SOURCE)
- include make/*.mk
- #############################################################
- #
- # staging and target directories do NOT list these as
- # dependancies anywhere else
- #
- #############################################################
- $(DL_DIR):
- mkdir $(DL_DIR)
- $(BUILD_DIR):
- mkdir $(BUILD_DIR)
- $(STAGING_DIR):
- rm -rf $(STAGING_DIR)
- mkdir -p $(STAGING_DIR)/lib
- mkdir -p $(STAGING_DIR)/usr/lib
- mkdir -p $(STAGING_DIR)/include
- $(TARGET_DIR):
- rm -rf $(TARGET_DIR)
- zcat $(SOURCE_DIR)/skel.tar.gz | tar -C $(BUILD_DIR) -xf -
- cp -a $(SOURCE_DIR)/target_skeleton/* $(TARGET_DIR)/
- -find $(TARGET_DIR) -type d -name CVS -exec rm -rf {} \; > /dev/null 2>&1
- source: $(TARGETS_SOURCE)
- #############################################################
- #
- # Cleanup and misc junk
- #
- #############################################################
- clean: $(TARGETS_CLEAN)
- rm -rf $(TARGET_DIR) $(STAGING_DIR) $(IMAGE)
- dirclean: $(TARGETS_DIRCLEAN)
- rm -rf $(TARGET_DIR) $(STAGING_DIR) $(IMAGE)
- distclean:
- rm -rf $(DL_DIR) $(BUILD_DIR) $(LINUX_KERNEL) $(IMAGE)
- sourceball:
- rm -rf $(BUILD_DIR)
- set -e; \
- cd ..; \
- rm -f buildroot.tar.bz2; \
- tar -cvf buildroot.tar buildroot; \
- bzip2 -9 buildroot.tar; \
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