name: Install MinGW description: Install MinGW-w64 inputs: platform: description: Target platform required: false default: x64 cygwin: description: Install Cygwin packages required: false default: 0 static: description: Enable static linking workaround required: false default: 1 cc: description: Set up cc/c++ executables required: false default: 1 hardlinks: description: On Cygwin, replace executable symlinks with hardlinks required: false default: 0 outputs: prefix: description: Cross-compilation toolchain prefix value: '${{ steps.setup.outputs.prefix }}' gcc: description: gcc binary name value: '${{ steps.setup.outputs.gcc }}' gxx: description: g++ binary name value: '${{ steps.setup.outputs.gxx }}' windres: description: windres binary name value: '${{ steps.setup.outputs.windres }}' 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 !$cygwin_host) -Option Constant New-Variable x64 -Value ('${{ inputs.platform }}' -eq 'x64') -Option Constant New-Variable static_workaround -Value ('${{ inputs.static }}' -eq '1') -Option Constant $prefix32 = 'i686-w64-mingw32' $prefix64 = 'x86_64-w64-mingw32' $prefix = if ($x64) { $prefix64 } else { $prefix32 } 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:cygwin_host) { $choco = Locate-Choco & $choco install $Packages -y --no-progress --source=cygwin } elseif ($script:windows_host) { $choco = Locate-Choco & $choco upgrade $Packages -y --no-progress --allow-downgrade } else { throw "Sorry, installing packages is unsupported on $script:os" } } function Remove-Package { param( [Parameter(Mandatory=$true, ValueFromRemainingArguments=$true)] [string[]] $Packages ) if ($script:linux_host) { sudo apt-get autoremove --purge -yq $Packages } elseif ($script:cygwin_host) { $choco = Locate-Choco & $choco uninstall $Packages -y --no-progress --source=cygwin } elseif ($script:windows_host) { $choco = Locate-Choco & $choco uninstall $Packages -y --no-progress } else { throw "Sorry, removing packages is unsupported on $script:os" } } if ($linux_host) { Install-Package mingw-w64 # Make the compilers use the POSIX threading model, whatever that # is. Without it, the stuff from //etc. doesn't # compile. Of course, it makes the binaries depend on # libwinpthread-1.dll, but what you gonna do? sudo update-alternatives --set "$prefix32-gcc" "/usr/bin/$prefix32-gcc-posix" sudo update-alternatives --set "$prefix32-g++" "/usr/bin/$prefix32-g++-posix" sudo update-alternatives --set "$prefix64-gcc" "/usr/bin/$prefix64-gcc-posix" sudo update-alternatives --set "$prefix64-g++" "/usr/bin/$prefix64-g++-posix" if ($static_workaround) { sudo rm ` "/usr/$prefix32/lib/libpthread.dll.a" ` "/usr/$prefix32/lib/libwinpthread.dll.a" ` "/usr/$prefix64/lib/libpthread.dll.a" ` "/usr/$prefix64/lib/libwinpthread.dll.a" } } elseif ($cygwin_host) { $pkg = if ($x64) { 'mingw64-x86_64-gcc-g++' } else { 'mingw64-i686-gcc-g++' } Install-Package $pkg $bin_dir = cygpath.exe -wa "/usr/$prefix/sys-root/mingw/bin" $lib_dir = cygpath.exe -wa "/usr/$prefix/sys-root/mingw/lib" echo $bin_dir >> $env:GITHUB_PATH if ($static_workaround) { Remove-Item (Join-Path $lib_dir 'libpthread.dll.a') Remove-Item (Join-Path $lib_dir 'libwinpthread.dll.a') } } elseif ($windows_host) { $choco = Locate-Choco $mingw32 = 'mingw32' $mingw64 = 'mingw64' $mingw = if ($x64) { $mingw64 } else { $mingw32 } $mingw_install = Join-Path C: ProgramData chocolatey lib mingw tools install $mingw_root = Join-Path $mingw_install $mingw $mingw_bin = Join-Path $mingw_root bin $mingw_lib = Join-Path $mingw_root $prefix lib $pkg = 'mingw' if ($x64) { # If the 32-bit version is installed, we won't detect that. # But it's not that important, and we save a lot of time. Install-Package $pkg } else { # Assuming the 64-bit version is installed. Remove-Package $pkg Install-Package $pkg --x86 } echo $mingw_bin >> $env:GITHUB_PATH if ($static_workaround) { Remove-Item (Join-Path $mingw_lib 'libpthread.dll.a') Remove-Item (Join-Path $mingw_lib 'libwinpthread.dll.a') } } else { throw "Sorry, installing MinGW is unsupported on $os" } $gcc = $prefix + '-gcc' $gxx = $prefix + '-g++' $windres = $prefix = '-windres' echo "prefix=$prefix" >> $env:GITHUB_OUTPUT echo "gcc=$gcc" >> $env:GITHUB_OUTPUT echo "gxx=$gxx" >> $env:GITHUB_OUTPUT echo "windres=$windres" >> $env:GITHUB_OUTPUT shell: pwsh - run: | New-Variable os -Value '${{ runner.os }}' -Option Constant New-Variable linux_host -Value ($os -eq 'Linux') -Option Constant New-Variable cygwin_host -Value ('${{ inputs.cygwin }}' -eq '1') -Option Constant New-Variable windows_host -Value ($os -eq 'Windows' -and !$cygwin_host) -Option Constant New-Variable cc -Value ('${{ inputs.cc }}' -eq '1') -Option Constant function Link-Exe { param( [Parameter(Mandatory=$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 } $link_path = if ($script:cygwin_host) { "$link_dir/$link_name" } else { 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:cygwin_host) { ln.exe -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 '${{ steps.setup.outputs.gcc }}' cc Link-Exe '${{ steps.setup.outputs.gxx }}' c++ } shell: pwsh - run: | New-Variable cygwin_host -Value ('${{ inputs.cygwin }}' -eq '1') -Option Constant New-Variable hardlinks -Value ('${{ inputs.hardlinks }}' -eq '1') -Option Constant if ($cygwin_host -and $hardlinks) { echo @' while IFS= read -d '' -r link_path; do dest_path="$( readlink --canonicalize-existing -- "$link_path" )" dest_ext=".${dest_path##*.}" [ "$dest_ext" == ".$dest_path" ] && dest_ext= link_ext=".${link_path##*.}" [ "$link_ext" == ".$link_path" ] && link_ext= echo "Removing symlink $link_path" && rm -f -- "$link_path" [ "$link_ext" != "$dest_ext" ] && echo "${PATHEXT//\;/ }" | grep -q --ignore-case --line-regexp -F -- "$dest_ext" && link_path="$link_path$dest_ext" echo "Creating hardlink $link_path -> $dest_path" && ln -- "$dest_path" "$link_path" done < <( find /usr/local/bin /usr/bin \ -type l '-(' \ -path /usr/local/bin/cc -o \ -path /usr/local/bin/c++ \ '-)' -print0 ) '@ | & bash.exe --login -o errexit -o nounset -o pipefail -o igncr } shell: pwsh branding: icon: star color: green