Micah P. Dombrowski / Aug 21 2019
Build GCC 9
Install distro GCC and required development libraries.
apt-get -qq update DEBIAN_FRONTEND=noninteractive apt-get install --no-install-recommends \ build-essential gfortran cmake automake libtool libltdl-dev pkg-config \ gcc-multilib libgmp-dev libmpfr-dev libmpc-dev libisl-dev libzstd-dev gnat apt-get clean rm -r /var/lib/apt/lists/* # Clear package list so it isn't stale
Download GCC source.
FILENAME="gcc-${GCC_VERSION}.tar.xz" URLBASE="http://mirror.koddos.net/gcc/releases/gcc-${GCC_VERSION}" FILEURL="${URLBASE}/${FILENAME}" wget --progress=dot ${URLBASE}/sha512.sum wget --progress=dot:giga $FILEURL grep -e "${FILENAME}$" sha512.sum | sha512sum -c - cp -v $FILENAME /results/
Extract.
tar -Jxfgcc-9.2.0.tar.xz
Configure and build.
mkdir -p gcc-build cd gcc-build export CFLAGS="-march=sandybridge" export CPPFLAGS="${CFLAGS}" CXXFLAGS="${CFLAGS}" /gcc-${GCC_VERSION}/configure --prefix=/opt/gcc \ --enable-languages=c,c++,fortran,objc,obj-c++ \ --enable-checking=release --enable-multilib
cd gcc-build export CFLAGS="-march=sandybridge" export CPPFLAGS="${CFLAGS}" CXXFLAGS="${CFLAGS}" make -j8 --silent
cd gcc-build make install-strip