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# Copyright (C) 2022 The Qt Company Ltd.
# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
. "$PSScriptRoot\helpers.ps1"
# Here we build protobuf libraries for MinGW and MSVC.
# Since it's a c++ library we need both msvc and mingw because they mangle symbols differently.
# For MSVC it builds with both debug and release configurations because of the visual c++ runtime.
# For MinGW we only need one, so we only build with release.
# The function below takes care of the common part of building - invoking cmake,
# calling ninja and installing it to a directory which we set an environment variable to.
# Because we have two compilers we also have two env. vars. and then each
# config in CI has the Protobuf_ROOT set to the appropriate one.
function build-install-protobuf {
param(
[string]$CC,
[string]$CXX,
[string]$BuildType,
[string]$Postfix, # Used for install-path and the environment variable name
[string[]]$ExtraArguments = @()
)
$installPrefix = "C:\Utils\protobuf"
$installPath = "${installPrefix}-$Postfix"
Write-Output "Configuring and building protobuf for $CXX"
$oldCC = $env:CC
$oldCXX = $env:CXX
$env:CC = $CC
$env:CXX = $CXX
mkdir build
Push-Location build
cmake .. -G"Ninja Multi-Config" -DCMAKE_CONFIGURATION_TYPES="$BuildType" -DCMAKE_INSTALL_PREFIX="$installPath" -Dprotobuf_BUILD_TESTS=OFF -Dprotobuf_WITH_ZLIB=OFF $ExtraArguments
# ninja install:all # This is broken and does not work
foreach ($config in $BuildType.split(";")) {
ninja -f "build-$config.ninja" install
}
$env:CC = $oldCC
$env:CXX = $oldCXX
Set-EnvironmentVariable "Protobuf_ROOT_$Postfix" "$InstallPath"
Pop-Location
Remove build
}
function Find-Tool {
param(
[string]$Name,
[string]$Path
)
# Is tool missing from path?
if (!(Get-Command $Name -ErrorAction SilentlyContinue)) {
# Is tool in the $Path directory?
if (Test-Path "$Path\$Name") {
$env:Path += ";$Path"
}
else {
throw "Cannot find $Name in path or $Name in $Name, something is configured wrong"
}
}
}
# This script is fairly late in provisioning so both of these should be present!
Find-Tool -Name "cmake.exe" -Path "C:\CMake\bin"
Find-Tool -Name "ninja.exe" -Path "C:\Utils\Ninja"
$version = "21.9"
$sha1 = "3226a0e49d048759b702ae524da79387c59f05cc"
$internalUrl = "http://ci-files01-hki.intra.qt.io/input/protobuf/protobuf-all-$version.zip"
$externalUrl = "https://github.com/protocolbuffers/protobuf/releases/download/v$version/protobuf-all-$version.zip"
$targetDir = "$env:HOMEDRIVE\$env:HOMEPATH\protobuf-$version"
$targetFile = "$targetDir.zip"
Download $externalUrl $internalUrl $targetFile
Verify-Checksum $targetFile $sha1
Extract-7Zip $targetFile (Join-Path $env:HOMEDRIVE $env:HOMEPATH)
Remove $targetFile
# cd into the cmake directory where the CMakeLists.txt file is located
# then we build in a build\ subfolder there for simplicity's sake
Push-Location $targetDir
### MinGW
# Check if mingw is where we expect it to be and add it to path:
$mingwPath = "C:\MINGW1120\mingw64\bin"
if (!(Test-Path $mingwPath)) {
throw "Cannot find mingw in $mingwPath, something is configured wrong"
}
$oldPath = $env:Path
$env:Path = "$mingwPath;$env:Path"
build-install-protobuf -CC "gcc" -CXX "g++" -BuildType "Release" -Postfix "mingw"
$env:Path = $oldPath
### LLVM MinGW
$llvmMingwPath = "C:\llvm-mingw"
if (!(Test-Path $llvmMingwPath)) {
throw "Cannot find llvm-mingw in $llvmMingwPath, something is configured wrong"
}
$oldPath = $env:Path
$env:Path = "$llvmMingwPath\bin;$env:Path"
build-install-protobuf -CC "clang" -CXX "clang++" -BuildType "Release" -Postfix "llvm_mingw"
$env:Path = $oldPath
### MSVC
# Add cl to path if it is not already there
if (!(Get-Command cl.exe -ErrorAction SilentlyContinue)) {
$vswhere = "C:\Program Files (x86)\Microsoft Visual Studio\Installer\vswhere.exe"
$vc_component = "Microsoft.VisualStudio.Component.VC.CoreIde"
# We pick the oldest build tools we can find and use that to be compatible with it and any newer version:
# If MSVC has an ABI break this will stop working, and yet another build must be added.
$vs_location = (& $vswhere -nologo -products * -requires $vc_component -sort -format value -property installationPath | Select-Object -Last 1)
$vcvars_location = Join-Path $vs_location "VC\Auxiliary\Build\"
Push-Location $vcvars_location
# This snippet was stolen from https://stackoverflow.com/a/2124759
# Grabs all the environment variables that the script has set and assigns it
# to environment variables in PowerShell (calling batch files creates a
# cmd.exe instance which does not propagate environment variables)
cmd /c "vcvarsall.bat $env:PROCESSOR_ARCHITECTURE & set" |
ForEach-Object {
if ($_ -match "=") {
$v = $_.Split("=");
Set-Item -Force -Path "ENV:\$($v[0])" -Value "$($v[1])"
}
}
Pop-Location
}
# We pass along an extra argument to stop protobuf linking with the static runtime
build-install-protobuf -CC "cl" -CXX "cl" -BuildType "Release" -Postfix "msvc" -ExtraArguments @("-Dprotobuf_MSVC_STATIC_RUNTIME=OFF")
$env:Path = $oldPath
Pop-Location
Remove $targetDir
Write-Output "Protobuf = $version" >> ~/versions.txt
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