Install GCC 4.8 for Linux without Root

install_linux_gcc_48.sh

#!/bin/bash

INSTALL_PATH=<your_local_install_path_goes_here>

curl -LO https://mirrors.kernel.org/gnu/gcc/gcc-4.8.5/gcc-4.8.5.tar.bz2

tar xf gcc-4.8.5.tar.bz2

mkdir build

cd gcc-4.8.5

MPFR=mpfr-2.4.2
GMP=gmp-4.3.2
MPC=mpc-0.8.1

wget http://gcc.gnu.org/pub/gcc/infrastructure/$MPFR.tar.bz2 || exit 1
tar xjf $MPFR.tar.bz2 || exit 1
ln -sf $MPFR mpfr || exit 1

wget http://gcc.gnu.org/pub/gcc/infrastructure/$GMP.tar.bz2 || exit 1
tar xjf $GMP.tar.bz2  || exit 1
ln -sf $GMP gmp || exit 1

wget http://gcc.gnu.org/pub/gcc/infrastructure/$MPC.tar.gz || exit 1
tar xzf $MPC.tar.gz || exit 1
ln -sf $MPC mpc || exit 1


cd ..

cd build

../gcc-4.8.5/configure --build=x86_64-linux-gnu --prefix=$INSTALL_PATH \
                       --enable-checking=release --enable-languages=c,c++,fortran \
                       --disable-multilib --program-suffix=-4.8

make -j 20

make install