#!/bin/bash
export TARGET=arm-linux-gnueabihf
export PREFIX=/opt/crosstool/gcc-4.6.3-eglibc-2.13/$TARGET
export PATH=$PATH:$PREFIX/bin

cd /opt/crosstool/src/build-eglibc
find . -delete
BUILD_CC=gcc \
CC=$PREFIX/bin/$TARGET-gcc \
CXX=$PREFIX/bin/$TARGET-g++ \
AR=$PREFIX/bin/$TARGET-ar \
RANLIB=$PREFIX/bin/$TARGET-ranlib \
MAKEINFO=: \
../eglibc-2.13/configure \
    --prefix=/usr \
    --with-headers=$PREFIX/usr/include \
    --build=i686-pc-cygwin \
    --host=$TARGET \
    --enable-kernel=3.0.0 \
    --disable-profile --without-gd \
    --without-cvs --enable-add-ons
if [ "$?" -ne "0" ]; then
    echo "=== build script: failed to configure eglibc ==="
    exit 1
fi
make install_root=$PREFIX \
    install-headers install-bootstrap-headers=yes
if [ "$?" -ne "0" ]; then
    echo -n "=== build script: "
    echo "failed to make eglibc headers ==="
    exit 1
fi
mkdir -p $PREFIX/usr/lib
make csu/subdir_lib
if [ "$?" -ne "0" ]; then
    echo -n "=== build script: "
    echo "failed to make eglibc csu subdir_lib ==="
    exit 1
fi
cp csu/crt1.o csu/crti.o csu/crtn.o $PREFIX/usr/lib
if [ "$?" -ne "0" ]; then
    echo -n "=== build script: "
    echo "failed to install eglibc csu subdir_lib ==="
    exit 1
fi
$PREFIX/bin/$TARGET-gcc -nostdlib -nostartfiles \
    -shared -x c /dev/null -o $PREFIX/usr/lib/libc.so
if [ "$?" -ne "0" ]; then
    echo -n "=== build script: "
    echo "failed to install eglibc fake libc.so ==="
    exit 1
fi

cd /opt/crosstool/src/build-gcc
find . -delete
../gcc-4.6.3/configure --target=$TARGET --prefix=$PREFIX \
    --with-sysroot=$PREFIX --disable-libquadmath \
    --with-arch=armv6 --with-fpu=vfp --with-float=hard \
    --disable-sjlj-exceptions --enable-checking=release \
    --enable-linker-build-id --enable-gnu-unique-object \
    --disable-nls --enable-languages=c --with-headers \
    --disable-multilib --disable-libmudflap --disable-libssp \
    --disable-libgomp --without-ppl --without-cloog \
    --with-gmp=/usr/local --with-mpfr=/usr/local \
    --with-mpc=/usr/local
if [ "$?" -ne "0" ]; then
    echo "=== build script: failed to configure gcc ==="
    exit 1
fi
make
if [ "$?" -ne "0" ]; then
    echo "=== build script: failed to make gcc ==="
    exit 1
fi
make install
if [ "$?" -ne "0" ]; then
    echo "=== build script: failed to install gcc ==="
    exit 1
fi

echo "=== build script: OK ==="