440 lines
11 KiB
Bash
440 lines
11 KiB
Bash
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#!/bin/sh
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#
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#-
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# Copyright (c) 2008 Juan Romero Pardines.
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#-
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#
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# Script to be able to build a full cross toolchain for Linux/x86.
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# This has been made thanks to various sources recollected from wikipedia
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# and other cross compiling related pages.
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# Setup some defaults
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: ${GNU_URL_BASE:=http://ftp.gnu.org/gnu}
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: ${KERNEL_URL_BASE:=http://www.kernel.org/pub/linux/kernel/v2.6}
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: ${GCC_VER:=4.3.2}
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: ${BINUTILS_VER:=2.19}
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: ${GLIBC_VER:=2.7}
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: ${KERNEL_VER:=2.6.27.3}
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: ${CROSSDIR:=$HOME/mktoolchain}
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: ${BUILDDIR:=$CROSSDIR/build}
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: ${SOURCEDISTDIR:=$BUILDDIR/sources}
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: ${FETCH_CMD:=wget}
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usage()
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{
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echo "usage: $0 [-b dir] [-c dir] [-s dir] <target triplet>"
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echo
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echo "Optional flags:"
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echo " -b Directory to be used for temporary building."
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echo " -c Directory to be used for final cross tools."
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echo " -s Directory where the sources are available."
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exit 1
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}
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check_path()
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{
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local orig="$1"
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case "$orig" in
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/) ;;
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/*) orig="${orig%/}" ;;
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*) orig="$PWD/${orig%/}" ;;
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esac
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SANITIZED_DESTDIR=$orig
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}
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fetch_sources()
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{
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local pkg=
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cd $SOURCEDISTDIR || exit 1
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pkg=linux
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if [ ! -f $pkg-$KERNEL_VER.tar.bz2 ]; then
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echo "Fetching $pkg kernel-$KERNEL_VER sources..."
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$FETCH_CMD $KERNEL_URL_BASE/$pkg-$KERNEL_VER.tar.bz2 || exit 1
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fi
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pkg=gcc
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if [ ! -f $pkg-$GCC_VER.tar.bz2 ]; then
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echo "Fetching $pkg-$GCC_VER..."
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$FETCH_CMD $GNU_URL_BASE/$pkg/$pkg-$GCC_VER/$pkg-$GCC_VER.tar.bz2 || exit 1
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fi
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pkg=binutils
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if [ ! -f $pkg-$BINUTILS_VER.tar.bz2 ]; then
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echo "Fetching $pkg-$BINUTILS_VER..."
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$FETCH_CMD $GNU_URL_BASE/$pkg/$pkg-$BINUTILS_VER.tar.bz2 \
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|| exit 1
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fi
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pkg=glibc
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if [ ! -f $pkg-$GLIBC_VER.tar.bz2 ]; then
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echo "Fetching $pkg-$GLIBC_VER..."
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$FETCH_CMD $GNU_URL_BASE/$pkg/$pkg-$GLIBC_VER.tar.bz2 || exit 1
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fi
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}
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kernel_headers()
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{
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local pkg="linux-$KERNEL_VER"
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cd $BUILDDIR || exit 1
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tar xfj $SOURCEDISTDIR/$pkg.tar.bz2 -C $BUILDDIR || exit 1
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cd $pkg || exit 1
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make ARCH=$KERNEL_ARCH headers_check || exit 1
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make ARCH=$KERNEL_ARCH headers_install \
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INSTALL_HDR_PATH=$SYSROOT/usr || exit 1
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cd $SYSROOT/usr/include && ln -s asm asm-$KERNEL_ARCH
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cd $BUILDDIR && rm -rf $pkg || exit 1
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touch -f $BUILDDIR/.kernel_headers_done
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}
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binutils()
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{
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local pkg="binutils-$BINUTILS_VER"
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cd $BUILDDIR || exit 1
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if [ ! -d $pkg ]; then
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tar xfj $SOURCEDISTDIR/$pkg.tar.bz2 -C $BUILDDIR || exit 1
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fi
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cd $pkg || exit 1
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[ ! -d build ] && mkdir build || exit 1
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cd build || exit 1
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../configure --prefix=$CROSSDIR \
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--target=$CROSS_TARGET \
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--with-sysroot=$SYSROOT \
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--with-build-sysroot=$SYSROOT \
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--disable-nls --enable-shared \
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--disable-multilib || exit 1
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make configure-host && make && make install || exit 1
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# Remove unneeded stuff
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for f in info man share; do
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[ -d $CROSSDIR/$f ] && rm -rf $CROSSDIR/$f
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done
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cd $BUILDDIR && rm -rf $pkg || exit 1
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touch -f $BUILDDIR/.binutils_done
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}
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glibc_patches()
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{
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# Apply some required patches for i[56]86-pc-linux-gnu and
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# common targets.
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$FETCH_CMD http://www.freesa.org/toolchain/patches/glibc-2.7-fixup_for_gcc43-1.patch
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$FETCH_CMD http://www.freesa.org/toolchain/patches/glibc-2.7-i586_chk-1.patch
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$FETCH_CMD http://www.freesa.org/toolchain/patches/glibc-2.7-libgcc_eh-1.patch
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$FETCH_CMD http://svn.exactcode.de/t2/trunk/package/base/glibc/x86-fnstsw.patch
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patch -Np1 -i glibc-2.7-fixup_for_gcc43-1.patch || exit 1
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patch -Np1 -i glibc-2.7-i586_chk-1.patch || exit 1
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patch -Np1 -i glibc-2.7-libgcc_eh-1.patch || exit 1
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patch -Np1 -i x86-fnstsw.patch || exit 1
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touch -f $BUILDDIR/glibc-$GLIBC_VER/.patches_done
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}
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gcc()
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{
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local stage="$1"
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local pkg="gcc-$GCC_VER"
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local configure_args=
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local make_args=
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local make_install_args=
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local touch_f=
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cd $BUILDDIR || exit 1
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if [ ! -d $pkg ]; then
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tar xfj $SOURCEDISTDIR/$pkg.tar.bz2 -C $BUILDDIR || exit 1
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fi
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[ ! -d $pkg/build ] && mkdir $pkg/build
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cd $pkg/build || exit 1
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case $stage in
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full)
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# gcc with support for C and C++.
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touch_f=".gcc_full_done"
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make_args="AS_FOR_TARGET=$CROSS_TARGET-as"
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make_args="$make_args LD_FOR_TARGET=$CROSS_TARGET-ld"
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make_install_args="install"
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configure_args="--enable-shared --enable-threads=posix"
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configure_args="$configure_args --enable-languages=c,c++"
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configure_args="$configure_args --enable-__cxa_atexit"
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configure_args="$configure_args --enable-tls"
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;;
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libgcc)
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# Enough to be able to build full glibc.
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make all-target-libgcc && make install-target-libgcc || exit 1
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rm -rf $SYSROOT/lib/crt* || exit 1
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touch -f $BUILDDIR/.gcc_libgcc_done
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cd $BUILDDIR/$pkg && rm -rf build
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return 0
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;;
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bootstrap)
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# gcc bootstrap
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touch_f=".gcc_bootstrap_done"
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make_args="all-gcc"
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make_install_args="install-gcc"
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configure_args="--disable-shared --disable-libmudflap"
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configure_args="$configure_args --disable-threads"
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configure_args="$configure_args --disable-libssp"
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configure_args="$configure_args --enable-languages=c"
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;;
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*) ;;
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esac
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../configure --prefix=$CROSSDIR \
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--build=$CROSS_HOST --host=$CROSS_HOST \
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--target=$CROSS_TARGET \
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--with-sysroot=$SYSROOT \
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--with-build-sysroot=$SYSROOT \
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--disable-multilib \
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${configure_args} || exit 1
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env LDFLAGS_FOR_TARGET="--sysroot=$SYSROOT" \
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CPPFLAGS_FOR_TARGET="--sysroot=$SYSROOT" \
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make ${make_args} && make ${make_install_args} || exit 1
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# Remove unneeded stuff
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for f in info share man; do
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[ -d $CROSSDIR/$f ] && rm -rf $CROSSDIR/$f
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done
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# Do not remove builddir if bootstrap, we want all objs for
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# the libgcc pass.
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if [ "$stage" != "bootstrap" ]; then
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cd $BUILDDIR/$pkg && rm -rf build || exit 1
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fi
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touch -f $BUILDDIR/$touch_f
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}
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glibc()
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{
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local stage="$1"
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local pkg="glibc-$GLIBC_VER"
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local touch_f=
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local cross_binutils="$CROSSDIR/$CROSS_TARGET/bin"
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local configure_args=
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local CC=
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local BUILD_CC=
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local RANLIB=
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local AR=
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cd $BUILDDIR || exit 1
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if [ ! -d $pkg ]; then
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tar xfj $SOURCEDISTDIR/$pkg.tar.bz2 -C $BUILDDIR || exit 1
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fi
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cd $pkg || exit 1
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[ ! -f .patches_done ] && glibc_patches
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[ ! -d build ] && mkdir build
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cd build || exit 1
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# NPTL support.
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echo "libc_cv_forced_unwind=yes" > config.cache
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echo "libc_cv_c_cleanup=yes" >> config.cache
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if [ "$KERNEL_ARCH" = "i386" ]; then
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echo "CFLAGS+=-march=${CROSS_TARGET%%-*} -mtune=generic" \
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> configparms
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fi
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case $stage in
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startup|full)
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BUILD_CC=$CROSS_TARGET-gcc
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CC=$CROSS_TARGET-gcc
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AR=$CROSS_TARGET-ar
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RANLIB=$CROSS_TARGET-ranlib
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configure_args="${configure_args} --with-binutils=$CROSSDIR/bin"
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configure_args="${configure_args} --cache-file=config.cache"
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;;
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headers)
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CC=gcc
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configure_args="${configure_args} --with-binutils=$cross_binutils"
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configure_args="${configure_args} --disable-sanity-checks"
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;;
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*) ;;
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esac
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CC=${CC} BUILD_CC=${BUILD_CC} AR=${AR} RANLIB=${RANLIB} \
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../configure --prefix=/usr \
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--host=$CROSS_TARGET --build=$CROSS_HOST \
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--enable-kernel=2.6.25 --with-tls \
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--with-__thread --without-selinux \
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--without-gd --without-cvs --disable-profile \
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--enable-add-ons \
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--with-headers=$SYSROOT/usr/include \
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${configure_args} || exit 1
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case $stage in
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startup)
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touch_f=".glibc_startup_done"
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make -r -C ../csu objdir=$PWD $PWD/csu/crt1.o || exit 1
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make -r -C ../csu objdir=$PWD $PWD/csu/crti.o || exit 1
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make -r -C ../csu objdir=$PWD $PWD/csu/crtn.o || exit 1
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mkdir -p $SYSROOT/lib || exit 1
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cp -f csu/crt1.o csu/crti.o csu/crtn.o $SYSROOT/lib || exit 1
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;;
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headers)
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touch_f=".glibc_headers_done"
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make cross-compiling=yes \
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install_root=$SYSROOT install-headers || exit 1
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cp -v bits/stdio_lim.h $SYSROOT/usr/include/bits || exit 1
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touch $SYSROOT/usr/include/gnu/stubs.h || exit 1
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cp -v ../nptl/sysdeps/pthread/pthread.h \
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$SYSROOT/usr/include || exit 1
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if [ "$KERNEL_ARCH" = "i386" ]; then
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local bitsdir="nptl/sysdeps/unix/sysv/linux/i386/bits"
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cp -v ../$bitsdir/pthreadtypes.h \
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$SYSROOT/usr/include/bits || exit 1
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fi
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;;
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full)
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touch_f=".glibc_full_done"
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make && make install_root=$SYSROOT install || exit 1
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;;
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esac
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if [ "$stage" != "headers" ]; then
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cd $BUILDDIR/$pkg && rm -rf build || exit 1
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fi
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touch -f $BUILDDIR/$touch_f
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}
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while getopts "b:c:s:" opt; do
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case $opt in
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b) BUILDDIR=$OPTARG
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check_path $BUILDDIR
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BUILDDIR=$SANITIZED_DESTDIR
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;;
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c) CROSSDIR=$OPTARG
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check_path $CROSSDIR
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CROSSDIR=$SANITIZED_DESTDIR
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;;
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s) SOURCEDISTDIR=$OPTARG
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check_path $SOURCEDISTDIR
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SOURCEDISTDIR=$SANITIZED_DESTDIR
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;;
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--) shift; break;;
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esac
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done
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shift $(($OPTIND - 1))
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[ $# -ne 1 ] && usage
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|
|
if [ -z "$1" ]; then
|
||
|
|
echo "ERROR: missing target triplet."
|
||
|
|
exit 1
|
||
|
|
else
|
||
|
|
CROSS_TARGET=$1
|
||
|
|
case $CROSS_TARGET in
|
||
|
|
i686-pc-linux-gnu)
|
||
|
|
KERNEL_ARCH=i386
|
||
|
|
CROSS_HOST="$(uname -m)-unknown-linux-gnu"
|
||
|
|
;;
|
||
|
|
x86-64-unknown-linux-gnu)
|
||
|
|
KERNEL_ARCH=x86_64
|
||
|
|
CROSS_HOST="$(uname -m)-pc-linux-gnu"
|
||
|
|
;;
|
||
|
|
*)
|
||
|
|
echo "ERROR: unknown target triplet $CROSS_TARGET."
|
||
|
|
exit 1
|
||
|
|
;;
|
||
|
|
esac
|
||
|
|
fi
|
||
|
|
|
||
|
|
CROSSDIR=$CROSSDIR/$CROSS_TARGET
|
||
|
|
SYSROOT=$CROSSDIR/sysroot
|
||
|
|
[ ! -d $SYSROOT/usr ] && mkdir -p $SYSROOT/usr
|
||
|
|
[ ! -d $BUILDDIR ] && mkdir -p $BUILDDIR
|
||
|
|
[ ! -d $SOURCEDISTDIR ] && mkdir -p $SOURCEDISTDIR
|
||
|
|
|
||
|
|
unset CFLAGS CXXFLAGS CC CXX AR AS RANLIB LD_STRIP
|
||
|
|
unset LD_LIBRARY_PATH LD_RUN_PATH
|
||
|
|
export PATH="$CROSSDIR/bin:/bin:/usr/bin"
|
||
|
|
|
||
|
|
fetch_sources
|
||
|
|
|
||
|
|
if [ ! -f $BUILDDIR/.kernel_headers_done ]; then
|
||
|
|
echo "Installing kernel headers..."
|
||
|
|
kernel_headers
|
||
|
|
fi
|
||
|
|
|
||
|
|
if [ ! -f $BUILDDIR/.binutils_done ]; then
|
||
|
|
echo "Installing binutils..."
|
||
|
|
binutils
|
||
|
|
fi
|
||
|
|
|
||
|
|
if [ ! -f $BUILDDIR/.glibc_headers_done ]; then
|
||
|
|
echo "Installing glibc headers..."
|
||
|
|
glibc headers
|
||
|
|
fi
|
||
|
|
|
||
|
|
if [ ! -f $BUILDDIR/.gcc_bootstrap_done ]; then
|
||
|
|
echo "Installing gcc (bootstrap)..."
|
||
|
|
gcc bootstrap
|
||
|
|
fi
|
||
|
|
|
||
|
|
if [ ! -f $BUILDDIR/.glibc_startup_done ]; then
|
||
|
|
echo "Installing glibc (startup)..."
|
||
|
|
glibc startup
|
||
|
|
fi
|
||
|
|
|
||
|
|
if [ ! -f $BUILDDIR/.gcc_libgcc_done ]; then
|
||
|
|
echo "Installing gcc (libgcc)..."
|
||
|
|
gcc libgcc
|
||
|
|
fi
|
||
|
|
|
||
|
|
if [ ! -f $BUILDDIR/.glibc_full_done ]; then
|
||
|
|
echo "Installing glibc (full)..."
|
||
|
|
glibc full
|
||
|
|
fi
|
||
|
|
|
||
|
|
if [ ! -f $BUILDDIR/.gcc_full_done ]; then
|
||
|
|
echo "Installing gcc (full)..."
|
||
|
|
gcc full
|
||
|
|
fi
|
||
|
|
|
||
|
|
[ -d $BUILDDIR ] && rm -rf $BUILDDIR
|
||
|
|
|
||
|
|
echo "Finished. Toolchain for $CROSS_TARGET at $CROSSDIR."
|
||
|
|
|
||
|
|
exit 0
|