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#!/usr/bin/env bash
# Copyright (C) 2021 The Qt Company Ltd.
# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
# This script builds GCC from sources
# shellcheck source=../unix/DownloadURL.sh
source "${BASH_SOURCE%/*}/../unix/DownloadURL.sh"
# shellcheck source=../unix/SetEnvVar.sh
source "${BASH_SOURCE%/*}/../unix/SetEnvVar.sh"
set -ex
function InstallGCC() {
version=$1
priority=$2
prebuiltSHA1=$3
sourcesSHA1=$4
tmpFolder="/tmp"
prebuiltGCC="http://ci-files01-hki.ci.qt.io/input/gcc/gcc-$version-prebuilt.tar.gz"
prebuiltTarget="$tmpFolder/gcc-$version-prebuilt.tar.gz"
installPrefix="/usr/local"
suffixVersion=$(echo "$version" | cut -d "." -f1,2)
sourceFile="gcc-$version.tar.xz"
cachedUrl="http://ci-files01-hki.ci.qt.io/input/gcc/$sourceFile"
officialUrl="https://gcc.gnu.org/pub/gcc/releases/gcc-$version/gcc-$version.tar.xz"
targetFile="$tmpFolder/$sourceFile"
buildFolder="$HOME/gcc_build"
echo "Fetching prebuilt GCC."
DownloadURL "$prebuiltGCC" "" "$prebuiltSHA1" "$prebuiltTarget" || (
echo "Fetching prebuilt GCC failed. Building from sources."
DownloadURL "$cachedUrl" "$officialUrl" "$sourcesSHA1" "$targetFile"
)
if [ -f "$prebuiltTarget" ]; then
echo "$prebuiltSHA1 *$prebuiltTarget" | sha1sum -c -
sudo tar -xzf "$prebuiltTarget" -C "$installPrefix"
rm -rf "$prebuiltTarget"
else
tar -C "$tmpFolder" -xJf "$targetFile"
mkdir -p "$buildFolder"
cd "$tmpFolder/gcc-$version"
sudo "$tmpFolder/gcc-$version/contrib/download_prerequisites"
cd "$buildFolder"
"$tmpFolder/gcc-$version/configure" --disable-bootstrap --enable-languages=c,c++,lto --prefix="$installPrefix" --program-suffix="-$suffixVersion"
make -j4
sudo make install
rm -rf "$targetFile"
sudo rm -rf "$tmpFolder/gcc-$version"
fi
# openSUSE has update-alternatives under /usr/sbin and it has grouped the commands by means of master and slave links
if [ -f "/usr/sbin/update-alternatives" ]; then
sudo /usr/sbin/update-alternatives --install /usr/bin/gcc gcc "$installPrefix/bin/gcc${suffixVersion}" "$priority" \
--slave /usr/bin/g++ g++ "$installPrefix/bin/g++${suffixVersion}" \
--slave /usr/bin/cc cc "$installPrefix/bin/gcc${suffixVersion}" \
--slave /usr/bin/c++ c++ "$installPrefix/bin/g++${suffixVersion}"
else
sudo /usr/bin/update-alternatives --install /usr/bin/gcc gcc "$installPrefix/bin/gcc-${suffixVersion}" "$priority"
sudo /usr/bin/update-alternatives --install /usr/bin/g++ g++ "$installPrefix/bin/g++-${suffixVersion}" "$priority"
sudo /usr/bin/update-alternatives --install /usr/bin/cc cc "$installPrefix/bin/gcc-${suffixVersion}" "$priority"
sudo /usr/bin/update-alternatives --install /usr/bin/c++ c++ "$installPrefix/bin/g++-${suffixVersion}" "$priority"
fi
echo "/usr/local/lib64" | sudo tee /etc/ld.so.conf.d/gcc-libraries.conf
echo "/usr/local/lib32" | sudo tee -a /etc/ld.so.conf.d/gcc-libraries.conf
sudo ldconfig -v
echo "GCC = $version" >> ~/versions.txt
}
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