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|
name: Install Clang
description: Install Clang & LLVM
inputs:
version:
description: Version to install
required: false
default: latest
platform:
description: Target platform
required: false
default: x64
cc:
description: Set up cc/clang/c++/clang++ executables
required: false
default: 1
outputs:
clang:
description: clang binary name
value: '${{ steps.install.outputs.clang }}'
clangxx:
description: clang++ binary name
value: '${{ steps.install.outputs.clangxx }}'
runs:
using: composite
steps:
- id: install
run: |
New-Variable os -Value '${{ runner.os }}' -Option Constant
New-Variable linux_host -Value ($os -eq 'Linux') -Option Constant
New-Variable windows_host -Value ($os -eq 'Windows') -Option Constant
New-Variable version -Value ('${{ inputs.version }}') -Option Constant
New-Variable latest -Value ($version -eq 'latest') -Option Constant
New-Variable x64 -Value ('${{ inputs.platform }}' -eq 'x64') -Option Constant
function Locate-Choco {
$path = Get-Command 'choco' -ErrorAction SilentlyContinue
if ($path) {
$path.Path
} else {
Join-Path ${env:ProgramData} 'chocolatey' 'bin' 'choco'
}
}
function Install-Package {
param(
[Parameter(Mandatory=$true, ValueFromRemainingArguments=$true)]
[string[]] $Packages
)
if ($script:linux_host) {
sudo apt-get update
sudo DEBIAN_FRONTEND=noninteractive apt-get install -yq --no-install-recommends $Packages
} elseif ($script:windows_host) {
$choco = Locate-Choco
& $choco upgrade $Packages -y --no-progress --allow-downgrade
} else {
throw "Sorry, installing packages is unsupported on $script:os"
}
}
function Format-UpstreamVersion {
param(
[Parameter(Mandatory=$true)]
[string] $Version
)
switch -Exact ($Version) {
# Since version 7, they dropped the .0 suffix. The earliest
# version supported is 3.9 on Bionic; versions 4, 5 and 6 are
# mapped to LLVM-friendly 4.0, 5.0 and 6.0.
'4' { '4.0' }
'5' { '5.0' }
'6' { '6.0' }
default { $Version }
}
}
function Format-AptLine {
param(
[Parameter(Mandatory=$true)]
[string] $Version
)
if (!(Get-Command lsb_release -ErrorAction SilentlyContinue)) {
throw "Couldn't find lsb_release; LLVM only provides repositories for Debian/Ubuntu"
}
$codename = lsb_release -sc
"deb http://apt.llvm.org/$codename/ llvm-toolchain-$codename-$Version main"
}
function Add-UpstreamRepo {
param(
[Parameter(Mandatory=$true)]
[string] $Version
)
wget -qO - https://apt.llvm.org/llvm-snapshot.gpg.key | sudo apt-key add -
$apt_line = Format-AptLine $Version
sudo add-apt-repository --yes --update $apt_line
}
$clang = 'clang'
$clangxx = 'clang++'
if ($linux_host) {
$pkg_clang = 'clang'
$pkg_llvm = 'llvm'
$pkg_gxx = 'g++'
if (!$latest) {
$pkg_version = Format-UpstreamVersion $version
Add-UpstreamRepo $pkg_version
$pkg_clang = "$pkg_clang-$pkg_version"
$pkg_llvm = "$pkg_llvm-$pkg_version"
$clang = "$clang-$pkg_version"
$clangxx = "$clangxx-$pkg_version"
}
if (!$x64) {
$pkg_gxx = 'g++-multilib'
}
$packages = $pkg_clang,$pkg_llvm,$pkg_gxx
Install-Package $packages
} elseif ($windows_host) {
Install-Package llvm
$bin_dir = Join-Path $env:ProgramFiles LLVM bin
echo $bin_dir >> $env:GITHUB_PATH
} else {
throw "Sorry, installing Clang is unsupported on $os"
}
echo "clang=$clang" >> $env:GITHUB_OUTPUT
echo "clangxx=$clangxx" >> $env:GITHUB_OUTPUT
shell: pwsh
- run: |
New-Variable os -Value '${{ runner.os }}' -Option Constant
New-Variable linux_host -Value ($os -eq 'Linux') -Option Constant
New-Variable windows_host -Value ($os -eq 'Windows') -Option Constant
New-Variable cc -Value ('${{ inputs.cc }}' -eq '1') -Option Constant
New-Variable clang -Value '${{ steps.install.outputs.clang }}' -Option Constant
New-Variable clangxx -Value '${{ steps.install.outputs.clangxx }}' -Option Constant
function Link-Exe {
param(
[Parameter(Mandatory=$true)]
[string] $Exe,
[Parameter(Mandatory=$true)]
[string] $LinkName
)
$exe_path = (Get-Command $Exe).Path
$link_dir = if ($script:windows_host) { Split-Path $exe_path } else { '/usr/local/bin' }
$link_name = if ($script:windows_host) { "$LinkName.exe" } else { $LinkName }
$link_path = Join-Path $link_dir $link_name
echo "Creating link $link_path -> $exe_path"
if ($script:linux_host) {
sudo ln -f -s $exe_path $link_path
} elseif ($script:windows_host) {
New-Item -ItemType HardLink -Path $link_path -Value $exe_path -Force | Out-Null
}
}
if ($cc) {
Link-Exe $clang cc
if ($clang -ne 'clang') {
Link-Exe $clang 'clang'
}
Link-Exe $clangxx c++
if ($clangxx -ne 'clang++') {
Link-Exe $clangxx 'clang++'
}
}
shell: pwsh
branding:
icon: star
color: green
|
