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|
name: Install Clang
description: Install Clang & LLVM
inputs:
platform:
description: Target platform
required: false
default: x64
cygwin:
description: Install inside Cygwin
required: false
default: 0
outputs:
clang:
description: clang executable name or path
value: '${{ steps.setup.outputs.clang }}'
clangxx:
description: clang++ executable name or path
value: '${{ steps.setup.outputs.clangxx }}'
runs:
using: composite
steps:
- id: setup
run: |
New-Variable os -Value '${{ runner.os }}' -Option Constant
New-Variable linux_host -Value ($os -eq 'Linux') -Option Constant
New-Variable cygwin_host -Value ('${{ inputs.cygwin }}' -eq '1') -Option Constant
New-Variable windows_host -Value ($os -eq 'Windows' -and !$cygwin) -Option Constant
New-Variable x64 -Value ('${{ inputs.platform }}' -eq 'x64') -Option Constant
function Locate-Choco {
$path = Get-Command 'choco' -ErrorAction SilentlyContinue
if ($path) {
$path.Path
} else {
Join-Path ${env:ProgramData} 'chocolatey' 'bin' 'choco'
}
}
if ($linux_host) {
sudo apt update
if ($x64) {
sudo apt install -y clang g++
} else {
sudo apt install -y clang g++-multilib
}
echo "::set-output name=clang::clang"
echo "::set-output name=clangxx::clang++"
} elseif ($cygwin_host) {
if (!$x64) {
echo @'
::warning ::
32-bit-targeting Clang is unavailable on 64-bit Cygwin.
Please use 32-bit Cygwin instead.
If you _are_ using 32-bit Cygwin, please ignore this message.
'@
}
$choco = Locate-Choco
# IDK why, but without libiconv-devel, even a "Hello, world!"
# C++ app cannot be compiled as of December 2020.
# Also, libstdc++ is required, and for simplicity's sake, gcc-g++
# is installed.
& $choco install -y --no-progress --source=cygwin clang libiconv-devel gcc-g++
# clang/clang++ are symlinks on Cygwin, pointing to clang-VERSION.exe.
$clang = cygpath.exe -wa (readlink.exe --canonicalize-existing /usr/bin/clang)
$clangxx = cygpath.exe -wa (readlink.exe --canonicalize-existing /usr/bin/clang++)
echo "::set-output name=clang::$clang"
echo "::set-output name=clangxx::$clangxx"
} elseif ($windows_host) {
$choco = Locate-Choco
& $choco install -y --no-progress llvm
echo (Join-Path $env:ProgramFiles LLVM bin) >> $env:GITHUB_PATH
echo "::set-output name=clang::clang"
echo "::set-output name=clangxx::clang++"
} else {
throw "Sorry, installing Clang is unsupported on $os"
}
shell: pwsh
branding:
icon: star
color: green
|
