96 lines
3.4 KiB
YAML
96 lines
3.4 KiB
YAML
name: Install Clang
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description: Install Clang & LLVM
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inputs:
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platform:
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description: Target platform
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required: false
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default: x64
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cygwin:
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description: Install inside Cygwin
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required: false
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default: 0
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runs:
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using: composite
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steps:
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- run: |
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New-Variable os -Value '${{ runner.os }}' -Option Constant
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New-Variable linux_host -Value ($os -eq 'Linux') -Option Constant
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New-Variable cygwin_host -Value ('${{ inputs.cygwin }}' -eq '1') -Option Constant
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New-Variable windows_host -Value ($os -eq 'Windows' -and !$cygwin) -Option Constant
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New-Variable x64 -Value ('${{ inputs.platform }}' -eq 'x64') -Option Constant
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function Locate-Choco {
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$path = Get-Command 'choco' -ErrorAction SilentlyContinue
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if ($path) {
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$path.Path
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} else {
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Join-Path ${env:ProgramData} 'chocolatey' 'bin' 'choco'
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}
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}
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function Convert-CygwinPath {
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# Like cygpath -wa, but don't resolve symlinks.
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param(
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[Parameter(Mandatory=$true)]
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[string] $Path
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)
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$Path = realpath.exe --no-symlinks -- $Path
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$dirname = dirname.exe -- $Path
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$dirname = cygpath.exe -wa $dirname
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Join-Path $dirname (Split-Path $Path -Leaf)
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}
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if ($linux_host) {
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sudo apt update
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if ($x64) {
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sudo apt install -y clang g++
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} else {
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sudo apt install -y clang g++-multilib
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}
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} elseif ($cygwin_host) {
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if (!$x64) {
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echo @'
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::warning ::
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32-bit-targeting Clang is unavailable on 64-bit Cygwin.
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Please use 32-bit Cygwin instead.
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If you _are_ using 32-bit Cygwin, please ignore this message.
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'@
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}
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$choco = Locate-Choco
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# IDK why, but without libiconv-devel, even a "Hello, world!"
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# C++ app cannot be compiled as of December 2020. Also, libstdc++
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# is required; it's simpler to install gcc-g++ for all the
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# dependencies.
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& $choco install -y --no-progress --source=cygwin clang libiconv-devel gcc-g++
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# clang/clang++ are Cygwin symlinks, pointing to clang-X.exe. It's
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# convenient to make proper executables instead so that they can be
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# called from Windows' command prompt.
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find.exe /usr/bin -iname 'clang*' -type l | %{
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$link_path = $_
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$dest_path = readlink.exe --canonicalize-existing -- $link_path
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$link_winpath = Convert-CygwinPath $link_path
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$dest_winpath = Convert-CygwinPath $dest_path
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echo "Removing symlink: $link_winpath"
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Remove-Item $link_winpath -Force
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echo "Creating hardlink '$link_winpath.exe', pointing to '$dest_winpath'"
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New-Item -ItemType HardLink -Path "$link_winpath.exe" -Value $dest_winpath | Out-Null
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}
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} elseif ($windows_host) {
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$choco = Locate-Choco
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& $choco install -y --no-progress llvm
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echo (Join-Path $env:ProgramFiles LLVM bin) >> $env:GITHUB_PATH
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} else {
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throw "Sorry, installing Clang is unsupported on $os"
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}
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shell: pwsh
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branding:
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icon: star
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color: green
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