#!/bin/bash
set -e

wget http://mirror.easyname.at/gnu/gcc/gcc-9.2.0/gcc-9.2.0.tar.gz
wget https://ftp.gnu.org/gnu/mpfr/mpfr-3.1.6.tar.gz
wget https://ftp.gnu.org/gnu/mpc/mpc-1.0.3.tar.gz
wget https://gmplib.org/download/gmp/gmp-6.1.2.tar.bz2
wget http://isl.gforge.inria.fr/isl-0.21.tar.gz

BUILD_DIR=$( mktemp -d )
mkdir ${BUILD_DIR}/isl ${BUILD_DIR}/gmp ${BUILD_DIR}/mpfr ${BUILD_DIR}/mpc
tar xf gcc-9.2.0.tar.gz --strip-components=1 -C ${BUILD_DIR}
tar xf isl-0.21.tar.gz --strip-components=1 -C ${BUILD_DIR}/isl
tar xf gmp-6.1.2.tar.bz2 --strip-components=1 -C ${BUILD_DIR}/gmp
tar xf mpc-1.0.3.tar.gz --strip-components=1 -C ${BUILD_DIR}/mpc
tar xf mpfr-3.1.6.tar.gz --strip-components=1 -C ${BUILD_DIR}/mpfr

RESULT_DIR=${HOME}/gcc
mkdir ${RESULT_DIR}

pushd .
cd ${BUILD_DIR}
mkdir build_dir && cd build_dir
../configure \
     --prefix=${RESULT_DIR} \
     --mandir=${RESULT_DIR}/share/man \
     --infodir=${RESULT_DIR}/share/info \
     --enable-bootstrap \
     --enable-shared \
     --enable-threads=posix \
     --enable-checking=release \
     --with-system-zlib \
     --enable-__cxa_atexit \
     --disable-libunwind-exceptions \
     --enable-gnu-unique-object \
     --enable-linker-build-id \
     --with-linker-hash-style=gnu \
     --enable-languages=c,c++ \
     --enable-plugin \
     --enable-initfini-array \
     --disable-libgcj \
     --enable-gnu-indirect-function \
     --enable-secureplt \
     --with-long-double-128 \
     --enable-targets=powerpcle-linux \
     --disable-multilib \
     --with-cpu-64=power8 \
     --with-tune-64=power8 \
     --build=ppc64le-redhat-linux
make -j
make install
popd
rm -rf ${BUILD_DIR}