build

#!/bin/sh
#
# build arm-none-eabi gcc toolchain
# for the raspberry pi
#

VG="4.9.0"
VB="2.24"
JN="-j 6"

export TARGET="arm-none-eabi"
export PREFIX="$HOME/opt/gnuarm"
export PATH="$PREFIX/bin:$PATH"

./clean

mkdir -p build-binutils build-gcc "$PREFIX" >/dev/null 2>&1

# build binutils
cd build-binutils
curl http://ftp.gnu.org/gnu/binutils/binutils-${VB}.tar.gz |tar xz
binutils-${VB}/configure --target="$TARGET" \
                         --prefix="$PREFIX" \
                         --enable-interwork \
                         --disable-nls \
                         --disable-werror

make ${JN} && \
make install

[ "$?" -ne "0" ] && exit 1

# build gcc
cd ../build-gcc
curl http://ftp.gnu.org/gnu/gcc/gcc-${VG}/gcc-${VG}.tar.gz |tar xz
gcc-${VG}/configure --target="$TARGET" \
                    --prefix="$PREFIX" \
                    --without-headers \
                    --with-newlib \
                    --enable-interwork \
                    --enable-languages='c' \
                    --disable-nls

make ${JN} all-gcc && \
make install-gcc && \
make ${JN} all-target-libgcc CFLAGS_FOR_TARGET="-g -O2" && \
make install-target-libgcc