GCC-4.6.0 build script for arm-none-eabi

#!/bin/bash
GCC_SRC=gcc-4.6.0
#HOST=i686-pc-linux-gnu
HOST=x86_64-linux-gnu
TARGET=arm-none-eabi
PREFIX=/opt/build/arm-none-eabi-${GCC_SRC}
DEFAULT_CPU=cortex-a9

cd /opt
mkdir -p build_binutils
cd build_binutils
../binutils-2.21/configure --build=${HOST} --host=${HOST} --target=${TARGET} --with-sysroot=${PREFIX}/${TARGET} --disable-nls --enable-install-libbfd --enable-interwork --with-v4bx-interworking --enable-lto --enable-multilib --enable-shared --enable-gmp --enable-mpfr --prefix=${PREFIX}
make all install

cd /opt
mkdir -p build_gcc
cd build_gcc

#mkdir -p mpfr
#cp ../${GCC_SRC}/gmp/gmp-impl.h mpfr/
#cp ../${GCC_SRC}/gmp/longlong.h mpfr/

../${GCC_SRC}/configure --build=${HOST} --host=${HOST} --target=${TARGET} --with-pkgversion='M.F. C/C++ Compiler Release 20110423' --disable-libssp --disable-nls --disable-libgomp --disable-threads --disable-tls --enable-lto --enable-multilib --enable-gmp --enable-mpfr --enable-cloog --enable-ppl --with-v4bx-interworking --enable-languages=c,c++ --enable-long-long --enable-c99 --enable-shared --with-float=hard --enable-cxx-flags=-mhard-float --with-cpu=${DEFAULT_CPU} --with-newlib --with-ld=${PREFIX}/bin/${TARGET}-ld --prefix=${PREFIX}
make all install

rm -rf build_binutils
rm -rf build_gcc