gitolite/buildrootschalter
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3ad3d8a1d8
buildrootschalter/Makefile
Manuel Novoa III 3ad3d8a1d8 Update to what I'm currently using. Lots of changes... 
1) Allow selection of binutils/gcc/gdb/kernel headers to build, although
   some of the older tool patches probably need updating.
2) Rework gdb build so that remote debugging now works with gdbserver.
3) Misc. other package updates.3) Misc. other package updates.3) Misc. other package updates.
2004-09-03 00:49:43 +00:00

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Makefile
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# Makefile for a simple busybox/uClibc root filesystem
#
# Copyright (C) 2001-2004 Erik Andersen <andersen@codepoet.org>
# Copyright (C) 2002 by Tim Riker <Tim@Rikers.org>
# Copyright (C) 2004 Manuel Novoa III <mjn3@uclibc.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
#############################################################
#
# EDIT this stuff to suit your system and preferences
#
# Use := when possible to get precomputation, thereby
# speeding up the build process.
#
#############################################################
# What sort of target system shall we compile this for?
#
ARCH:=i386
#ARCH:=arm
#ARCH:=mips
#ARCH:=mipsel
#ARCH:=powerpc
#ARCH:=sh4
#ARCH:=cris
#ARCH:=sh64
#ARCH:=m68k
#ARCH:=v850
#ARCH:=sparc
#ARCH:=whatever
# Choose the kernel headers to use for kernel-headers target. This is
# ignored if you are building your own kernel or using the system kernel.
#
DEFAULT_KERNEL_HEADERS:=2.4.25
#DEFAULT_KERNEL_HEADERS:=2.6.7
# Choose gcc version.
# WARNING -- 2.95 currently only builds for i386, arm, mips*, and powerpc.
# WARNING -- 2.95 does not currently build natively for the target.
#
#GCC_VERSION:=2.95
#GCC_VERSION:=3.3.3
#GCC_VERSION:=3.3.4
#GCC_VERSION:=3.4.0
GCC_VERSION:=3.4.1
# Choose binutils version.
#
#BINUTILS_VERSION:=2.14.90.0.6
#BINUTILS_VERSION:=2.14.90.0.7
#BINUTILS_VERSION:=2.14.90.0.8
#BINUTILS_VERSION:=2.15
#BINUTILS_VERSION:=2.15.90.0.1
#BINUTILS_VERSION:=2.15.90.0.1.1
#BINUTILS_VERSION:=2.15.90.0.2
BINUTILS_VERSION:=2.15.90.0.3
#BINUTILS_VERSION:=2.15.91.0.1
#BINUTILS_VERSION:=2.15.91.0.2
# Choose gdb version.
#
#GDB_VERSION:=5.3
GDB_VERSION:=6.1.1
#GDB_VERSION:=6.2
# 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.
# Do you wish to use the latest release (), latest snapshot (snapshot),
# or the snapshot from a specific date (yyyymmdd)? Note that snapshots
# may contain new features and bugfixes. Or they may not even compile
# at all, depending on what Erik and Manuel are doing.
#
#USE_UCLIBC_SNAPSHOT:=
USE_UCLIBC_SNAPSHOT:=snapshot
#USE_UCLIBC_SNAPSHOT:=20040807
# Do you wish to use the latest release (), latest snapshot (snapshot),
# or the snapshot from a specific date (yyyymmdd)? Note that snapshots
# may contain new features and bugfixes. Or they may not even compile
# at all...
#
#USE_BUSYBOX_SNAPSHOT:=
USE_BUSYBOX_SNAPSHOT:=snapshot
#USE_BUSYBOX_SNAPSHOT:=20040807
# 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=i686
# Note... gcc 2.95 does not seem to like anything higher than i586.
#OPTIMIZE_FOR_CPU=i586
#OPTIMIZE_FOR_CPU=whatever
# Might be worth experimenting with for gcc 3.4.x.
GCC_WITH_CPU:=
GCC_WITH_ARCH:=
GCC_WITH_TUNE:=
#GCC_WITH_CPU:=--with-cpu=
#GCC_WITH_ARCH:=--with-arch=
#GCC_WITH_TUNE:=--with-tune=
# Soft floating point options.
# Notes:
# Currently builds with gcc 3.3 for arm, mips, mipsel, powerpc.
# (i386 support will be added back in at some point.)
# Only tested with multilib enabled.
# For i386, long double is the same as double (64 bits). While this
# is unusual for x86, it seemed the best approach considering the
# limitations in the gcc floating point emulation library.
# For arm, soft float uses the usual libfloat routines.
# Custom specs files are used to set the default gcc mode to soft float
# as a convenience, since you shouldn't link hard and soft float
# together. In fact, arm won't even let you.
# (Un)comment the appropriate line below.
#SOFT_FLOAT:=true
SOFT_FLOAT:=false
TARGET_OPTIMIZATION=-Os
TARGET_DEBUGGING= #-g
# Currently the unwind stuff seems to work for staticly linked apps but
# not dynamic. So use setjmp/longjmp exceptions by default.
GCC_USE_SJLJ_EXCEPTIONS:=--enable-sjlj-exceptions
#GCC_USE_SJLJ_EXCEPTIONS:=
# Any additional gcc options you may want to include....
EXTRA_GCC_CONFIG_OPTIONS:=
# Enable the following if you want locale/gettext/i18n support.
# NOTE! Currently the pregnerated locale stuff only works for x86!
#ENABLE_LOCALE:=true
ENABLE_LOCALE:=false
# If you want multilib enabled, enable this...
MULTILIB:=--enable-multilib
# Build/install c++ compiler and libstdc++?
INSTALL_LIBSTDCPP:=true
# Build/install java compiler and libgcj? (requires c++)
# WARNING!!! DOES NOT BUILD FOR TARGET WITHOUT INTERVENTION!!! mjn3
#INSTALL_LIBGCJ:=true
INSTALL_LIBGCJ:=false
# For SMP machines some stuff can be run in parallel
#JLEVEL=-j3
#############################################################
#
# The list of stuff to build for the target filesystem
#
#############################################################
TARGETS:=host-sed
TARGETS+=uclibc-configured binutils gcc ccache
# Are you building your own kernel? Perhaps you have a kernel
# you have already configured and you want to use that? The
# default is to just use a set of known working kernel headers.
# Unless you want to build a kernel, I recommend just using
# that...
TARGETS+=kernel-headers
#TARGETS+=linux
#TARGETS+=system-linux
# The default minimal set
TARGETS+=busybox #tinylogin
# Openssh...
#TARGETS+=zlib openssl openssh
# Dropbear sshd is much smaller than openssl + openssh
#TARGETS+=dropbear_sshd
# 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 bzip2
#If you want a development system, you probably want gcc built
# with uClibc so it can run within your dev system...
#TARGETS+=gcc_target ccache_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 ltrace
# The Valgrind debugger (x86 only)
#TARGETS+=valgrind
# Some stuff for access points and firewalls
#TARGETS+=iptables hostap wtools dhcp_relay bridge
#TARGETS+=iproute2 netsnmp
# 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.
#
#############################################################
ifeq ($(SOFT_FLOAT),true)
# gcc 3.4.x soft float configuration is different than previous versions.
ifeq ($(findstring 3.4.,$(GCC_VERSION)),3.4.)
SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft
else
SOFT_FLOAT_CONFIG_OPTION:=--without-float
endif
TARGET_SOFT_FLOAT:=-msoft-float
ARCH_FPU_SUFFIX:=_nofpu
else
SOFT_FLOAT_CONFIG_OPTION:=
TARGET_SOFT_FLOAT:=
ARCH_FPU_SUFFIX:=
endif
ifeq ($(INSTALL_LIBGCJ),true)
INSTALL_LIBSTDCPP:=true
endif
# WARNING -- uClibc currently disables large file support on cris.
ifeq ("$(strip $(ARCH))","cris")
BUILD_WITH_LARGEFILE:=false
endif
ifneq ($(BUILD_WITH_LARGEFILE),true)
DISABLE_LARGEFILE= --disable-largefile
endif
TARGET_CFLAGS=$(TARGET_OPTIMIZATION) $(TARGET_DEBUGGING)
HOSTCC:=gcc
BASE_DIR:=${shell pwd}
SOURCE_DIR:=$(BASE_DIR)/sources
DL_DIR:=$(SOURCE_DIR)/dl
PATCH_DIR=$(SOURCE_DIR)/patches
BUILD_DIR:=$(BASE_DIR)/build_$(ARCH)$(ARCH_FPU_SUFFIX)
TARGET_DIR:=$(BUILD_DIR)/root
STAGING_DIR=$(BUILD_DIR)/staging_dir
TOOL_BUILD_DIR=$(BASE_DIR)/toolchain_build_$(ARCH)$(ARCH_FPU_SUFFIX)
TARGET_PATH=$(STAGING_DIR)/bin:/bin:/sbin:/usr/bin:/usr/sbin
IMAGE:=$(BASE_DIR)/root_fs_$(ARCH)$(ARCH_FPU_SUFFIX)
REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux-uclibc
GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux
KERNEL_CROSS=$(STAGING_DIR)/bin/$(OPTIMIZE_FOR_CPU)-linux-uclibc-
TARGET_CROSS=$(STAGING_DIR)/bin/$(OPTIMIZE_FOR_CPU)-linux-uclibc-
TARGET_CC=$(TARGET_CROSS)gcc
STRIP=$(TARGET_CROSS)strip --remove-section=.comment --remove-section=.note
HOST_ARCH:=$(shell $(HOSTCC) -dumpmachine | sed -e s'/-.*//' \
-e 's/sparc.*/sparc/' \
-e 's/arm.*/arm/g' \
-e 's/m68k.*/m68k/' \
-e 's/ppc/powerpc/g' \
-e 's/v850.*/v850/g' \
-e 's/sh[234]/sh/' \
-e 's/mips-.*/mips/' \
-e 's/mipsel-.*/mipsel/' \
-e 's/cris.*/cris/' \
-e 's/i[3-9]86/i386/' \
)
GNU_HOST_NAME:=$(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=$(TARGET_CROSS)ranlib
ifeq ($(ENABLE_LOCALE),true)
DISABLE_NLS:=
else
DISABLE_NLS:=--disable-nls
endif
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)
$(TOOL_BUILD_DIR):
mkdir $(TOOL_BUILD_DIR)
$(STAGING_DIR):
rm -rf $(STAGING_DIR)
mkdir -p $(STAGING_DIR)/lib
mkdir -p $(STAGING_DIR)/include
mkdir -p $(STAGING_DIR)/$(REAL_GNU_TARGET_NAME)
ln -sf ../lib $(STAGING_DIR)/$(REAL_GNU_TARGET_NAME)/lib
$(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 $(STAGING_DIR) $(TARGET_DIR) $(IMAGE)
dirclean: $(TARGETS_DIRCLEAN)
rm -rf $(STAGING_DIR) $(TARGET_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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