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runner-images/images/linux/scripts/installers/clang.sh
2020-10-12 15:47:09 +05:00

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#!/bin/bash -e
################################################################################
## File: clang.sh
## Desc: Installs Clang compiler
################################################################################
# Source the helpers for use with the script
source $HELPER_SCRIPTS/os.sh
function InstallClang {
local version=$1
echo "Installing clang-$version..."
if [[ $version =~ 9 ]] && isUbuntu16; then
./llvm.sh $version
apt-get install -y "clang-format-$version"
else
apt-get install -y "clang-$version" "lldb-$version" "lld-$version" "clang-format-$version"
fi
# Run tests to determine that the software installed as expected
echo "Testing to make sure that script performed as expected, and basic scenarios work"
for cmd in clang-$version clang++-$version; do
if ! command -v $cmd; then
echo "$cmd was not installed"
exit 1
fi
done
}
function SetDefaultClang {
local version=$1
echo "Make Clang ${version} default"
update-alternatives --install /usr/bin/clang++ clang++ /usr/bin/clang++-${version} 100
update-alternatives --install /usr/bin/clang clang /usr/bin/clang-${version} 100
update-alternatives --install /usr/bin/clang-format clang-format /usr/bin/clang-format-${version} 100
}
# Download script for automatic installation
wget https://apt.llvm.org/llvm.sh
chmod +x llvm.sh
if isUbuntu16 || isUbuntu18; then
versions=( "6.0" "8" "9" )
default_clang_version="9"
fi
if isUbuntu20 ; then
versions=( "8" "9" "10" )
default_clang_version="10"
fi
for version in ${versions[*]}; do
InstallClang $version
done
SetDefaultClang $default_clang_version
rm llvm.sh