cross!

gistfile1.txt

set -e
set -o pipefail
TOPDIR=`pwd`
BUILD=`/usr/share/gnuconfig/config.guess`
TARGET=$1
DIR=$TOPDIR/$TARGET
export ARCH=`echo $TARGET | sed 's/-.*//'`
if test -z $TARGET; then
echo "Error: must specify target"
echo "Usage: ./cross.sh alpha-linux"
exit 1
fi
GCC=`wget -q http://ftp.gnu.org/pub/gnu/gcc -O - | sed -e '/folder/!d' -e 's/.*="gcc-//' -e 's/\/".*//' | tail -1`
BINUTILS=`wget -q http://ftp.gnu.org/pub/gnu/binutils -O - | sed -e '/tar.bz2</!d' -e 's/.*binutils-//' -e 's/\.tar.*//' | tail -1`
GLIBC=`wget -q http://ftp.gnu.org/pub/gnu/glibc/?C=M -O - | sed -e '/xz"/!d' -e 's/.*glibc-//' -e 's/\.tar.*//' -e '/ports/d' | tail -1`
LINUX=`wget -q http://kernel.org/pub/linux/kernel/v3.x -O - | sed -e '/tar.xz"/!d' -e 's/.*linux-//' -e 's/\.tar.*//' | sort | tail -1`
wget -qN -P tarballs http://ftp.gnu.org/pub/gnu/gcc/gcc-$GCC/gcc-$GCC.tar.bz2 \
http://ftp.gnu.org/pub/gnu/binutils/binutils-$BINUTILS.tar.bz2 \
http://ftp.gnu.org/pub/gnu/glibc/glibc-$GLIBC.tar.xz \
http://kernel.org/pub/linux/kernel/v3.x/linux-$LINUX.tar.xz
OLDTAR=`find tarballs/* -not \( -name gcc-$GCC.tar.bz2 -o -name \
binutils-$BINUTILS.tar.bz2 -o -name glibc-$GLIBC.tar.xz \
-o -name linux-$LINUX.tar.xz \)`
[ -z "$OLDTAR" ] || rm -rf src $OLDTAR

unpack()
{
mkdir -p src/{gcc,binutils,glibc,linux}
tar xf tarballs/gcc-$GCC.tar.bz2 --strip-component=1 -C src/gcc
tar xf tarballs/binutils-$BINUTILS.tar.bz2 --strip-component=1 -C src/binutils
tar xf tarballs/glibc-$GLIBC.tar.xz --strip-component=1 -C src/glibc
tar xf tarballs/linux-$LINUX.tar.xz --strip-component=1 -C src/linux
#for p in fortify libgcc; do
#patch -p0 <patches/$p.patch
#done
}

conf()
{
src=$1
shift
work=$1
shift
mkdir -p $DIR/{work,logs}/$work
cd $DIR/work/$work
test -e Makefile || $TOPDIR/src/$src/configure --build=$BUILD $@ \
|& tee $DIR/logs/$work/config.log
}

build()
{
work=$1
shift
make -j4 -C $DIR/work/$work $@ |& tee $DIR/logs/$work/build.log
}

install()
{
work=$1
shift
make -j4 -C $DIR/work/$work $@ |& tee $DIR/logs/$work/install.log
}

test -d src || unpack
conf binutils binutils --target=$TARGET --prefix=$DIR/install --disable-nls
build binutils
install binutils install
conf gcc gcc --target=$TARGET --prefix=$DIR/install --disable-nls \
        --disable-shared --enable-languages=c
build gcc all-gcc
install gcc install-gcc
mkdir -p $DIR/{work,logs}/linux
make -j4 -C $TOPDIR/src/linux O=$DIR/work/linux headers_install \
        INSTALL_HDR_PATH=$DIR/install/$TARGET |& tee $DIR/logs/linux/build.log
conf glibc glibc --host=$TARGET --prefix=$DIR/install/$TARGET \
        --with-headers=$DIR/install/$TARGET/include \
        CC=$DIR/install/bin/$TARGET-gcc \
        libc_cv_forced_unwind=yes libc_cv_ssp=no #HACK
install glibc install-headers
touch $DIR/install/$TARGET/include/gnu/stubs.h #HACK
build gcc all-target-libgcc
install gcc install-target-libgcc
build glibc
install glibc install
conf gcc gcc2 --target=$TARGET --prefix=$DIR/install --disable-nls
build gcc2
install gcc2 install