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utils: enable early swift driver on Windows #76574

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f01fd28
utils: update toolchain snapshot to permit building early swift-driver
compnerd Jul 10, 2025
a353ec7
utils: build early swift-driver on Windows
compnerd May 15, 2025
10cb596
utils: enable the early swift-driver for Windows
compnerd Jul 9, 2025
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37 changes: 31 additions & 6 deletions utils/build.ps1
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Original file line number Diff line number Diff line change
Expand Up @@ -204,9 +204,9 @@ if ($Test -contains "*") {

$DefaultPinned = @{
AMD64 = @{
PinnedBuild = "https://download.swift.org/swift-6.0.3-release/windows10/swift-6.0.3-RELEASE/swift-6.0.3-RELEASE-windows10.exe";
PinnedSHA256 = "AB205D83A38047882DB80E6A88C7D33B651F3BAC96D4515D7CBA5335F37999D3";
PinnedVersion = "6.0.3";
PinnedBuild = "https://ci-external.swift.org/job/swift-PR-build-toolchain-windows/5963/artifact/build/artifacts/installer.exe"
PinnedSHA256 = "3695EECEBE56177967B520F20B68F513434D6ACEEFCFC54229942607A09DDD56";
PinnedVersion = "0.0.0";
};
ARM64 = @{
PinnedBuild = "https://download.swift.org/swift-6.0.3-release/windows10-arm64/swift-6.0.3-RELEASE/swift-6.0.3-RELEASE-windows10-arm64.exe";
Expand Down Expand Up @@ -674,6 +674,7 @@ function Invoke-BuildStep {
enum Project {
BuildTools
RegsGen2
EarlySwiftDriver

Compilers
FoundationMacros
Expand Down Expand Up @@ -1203,10 +1204,10 @@ function Get-PinnedToolchainToolsDir() {
"unknown-Asserts-development.xctoolchain", "usr", "bin")
}

function Get-PinnedToolchainSDK() {
function Get-PinnedToolchainSDK([OS] $OS = $BuildPlatform.OS, [string] $Identifier = $OS.ToString()) {
return [IO.Path]::Combine("$BinaryCache\", "toolchains", $PinnedToolchain,
"LocalApp", "Programs", "Swift", "Platforms", (Get-PinnedToolchainVersion),
"Windows.platform", "Developer", "SDKs", "Windows.sdk")
"$($OS.ToString()).platform", "Developer", "SDKs", "$Identifier.sdk")
}

function Get-PinnedToolchainRuntime() {
Expand Down Expand Up @@ -1469,7 +1470,7 @@ function Build-CMakeProject {

} else {
Add-KeyValueIfNew $Defines CMAKE_Swift_COMPILER_TARGET $Platform.Triple
$SwiftArgs += @("-sdk", (Get-PinnedToolchainSDK))
$SwiftArgs += @("-sdk", $(if ($SwiftSDK) { $SwiftSDK } else { Get-PinnedToolchainSDK }))
}

# Debug Information
Expand Down Expand Up @@ -1754,6 +1755,26 @@ function Build-BuildTools([Hashtable] $Platform) {
}
}

function Build-EarlySwiftDriver {
Build-CMakeProject `
-Src $SourceCache\swift-driver `
-Bin (Get-ProjectBinaryCache $Platform EarlySwiftDriver) `
-Platform $BuildPlatform `
-UsePinnedCompilers C,CXX,Swift `
-SwiftSDK (Get-PinnedToolchainSDK -OS $BuildPlatform.OS -Identifier "$($BuildPlatform.OS)Experimental") `
-BuildTargets default `
-Defines @{
BUILD_SHARED_LIBS = "NO";
BUILD_TESTING = "NO";
CMAKE_STATIC_LIBRARY_PREFIX_Swift = "lib";
# TODO(compnerd) - enforce dynamic BlocksRuntime and dispatch
CMAKE_Swift_FLAGS = @("-static-stdlib", "-Xfrontend", "-use-static-resource-dir", "-Xcc", "-static-libclosure", "-Xcc", "-Ddispatch_STATIC");
SWIFT_DRIVER_BUILD_TOOLS = "NO";
SQLite3_INCLUDE_DIR = "$SourceCache\swift-toolchain-sqlite\Sources\CSQLite\include";
SQLite3_LIBRARY = "$(Get-ProjectBinaryCache $Platform SQLite)\SQLite3.lib";
}
}

function Write-PList {
[CmdletBinding(PositionalBinding = $false)]
param
Expand Down Expand Up @@ -1823,6 +1844,7 @@ function Get-CompilersDefines([Hashtable] $Platform, [string] $Variant, [switch]
CLANG_TABLEGEN = (Join-Path -Path $BuildTools -ChildPath "clang-tblgen.exe");
CLANG_TIDY_CONFUSABLE_CHARS_GEN = (Join-Path -Path $BuildTools -ChildPath "clang-tidy-confusable-chars-gen.exe");
CMAKE_FIND_PACKAGE_PREFER_CONFIG = "YES";
CMAKE_STATIC_LIBRARY_PREFIX_Swift = "lib";
CMAKE_Swift_FLAGS = $SwiftFlags;
LibXml2_DIR = "$BinaryCache\$($Platform.Triple)\usr\lib\cmake\libxml2-2.11.5";
LLDB_LIBXML2_VERSION = "2.11.5";
Expand All @@ -1845,6 +1867,7 @@ function Get-CompilersDefines([Hashtable] $Platform, [string] $Variant, [switch]
SWIFT_TOOLCHAIN_VERSION = "${ToolchainIdentifier}";
SWIFT_BUILD_SWIFT_SYNTAX = "YES";
SWIFT_CLANG_LOCATION = (Get-PinnedToolchainToolsDir);
SWIFT_EARLY_SWIFT_DRIVER_BUILD = "$(Get-ProjectBinaryCache $BuildPlatform EarlySwiftDriver)\bin";
SWIFT_ENABLE_EXPERIMENTAL_CONCURRENCY = "YES";
SWIFT_ENABLE_EXPERIMENTAL_CXX_INTEROP = "YES";
SWIFT_ENABLE_EXPERIMENTAL_DIFFERENTIABLE_PROGRAMMING = "YES";
Expand Down Expand Up @@ -3429,6 +3452,8 @@ if (-not $SkipBuild) {

Invoke-BuildStep Build-CMark $BuildPlatform
Invoke-BuildStep Build-BuildTools $BuildPlatform
Invoke-BuildStep Build-SQLite $BuildPlatform
Invoke-BuildStep Build-EarlySwiftDriver $BuildPlatform
if ($IsCrossCompiling) {
Invoke-BuildStep Build-XML2 $BuildPlatform
Invoke-BuildStep Build-Compilers $BuildPlatform -Variant "Asserts"
Expand Down