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May 23, 2025
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utils: download sccache for Windows #81733

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63 changes: 43 additions & 20 deletions utils/build.ps1
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Original file line number Diff line number Diff line change
Expand Up @@ -152,6 +152,8 @@ param
[string] $Variant = "Asserts",
[switch] $Clean,
[switch] $DebugInfo,
[ValidatePattern('^\d+(\.\d+)*$')]
[string] $SCCacheVersion = "0.10.0",
[switch] $EnableCaching,
[ValidateSet("debug", "release")]
[string] $FoundationTestConfiguration = "debug",
Expand Down Expand Up @@ -374,6 +376,34 @@ $KnownNDKs = @{
}
}

$KnownSCCache = @{
"0.9.1" = @{
AMD64 = @{
URL = "https://github.com/mozilla/sccache/releases/download/v0.9.1/sccache-v0.9.1-x86_64-pc-windows-msvc.zip"
SHA256 = "9C862BCAEF62804F2124DFC2605A0204F4FE0C5FA337BA4264E9BCAE9D2BA487"
Path = [IO.Path]::Combine("$BinaryCache\sccache-0.9.1\sccache-v0.9.1-x86_64-pc-windows-msvc", "sccache.exe");
}
ARM64 = @{
URL = "https://github.com/mozilla/sccache/releases/download/v0.9.1/sccache-v0.9.1-aarch64-pc-windows-msvc.tar.gz"
SHA256 = "99BD024919430DE3C741658ADC60334305A61C0A109F7A334C030F0BB56007A6"
Path = [IO.Path]::Combine("$BinaryCache\sccache-0.9.1\sccache-v0.9.1-aarch64-pc-windows-msvc", "sccache.exe")
}
}

"0.10.0" = @{
AMD64 = @{
URL = "https://github.com/mozilla/sccache/releases/download/v0.10.0/sccache-v0.10.0-x86_64-pc-windows-msvc.zip"
SHA256 = "6D8823B5C13E0DBA776D88C537229256ECB2F01A1D775B507FD141CB55D30578"
Path = [IO.Path]::Combine("$BinaryCache\sccache-0.10.0\sccache-v0.10.0-x86_64-pc-windows-msvc", "sccache.exe")
}
ARM64 = @{
URL = "https://github.com/mozilla/sccache/releases/download/v0.10.0/sccache-v0.10.0-aarch64-pc-windows-msvc.tar.gz"
SHA256 = "5FD6CD6DD474E91C37510719BF27CFE1826F929E40DD383C22A7B96DA9A5458D"
Path = [IO.Path]::Combine("$BinaryCache\sccache-0.10.0\sccache-v0.10.0-aarch64-pc-windows-msvc", "sccache.exe")
}
}
}

$BuildArchName = if ($env:PROCESSOR_ARCHITEW6432) { $env:PROCESSOR_ARCHITEW6432 } else { $env:PROCESSOR_ARCHITECTURE }
# TODO: Support other cross-compilation scenarios.
$BuildOS = [OS]::Windows
Expand Down Expand Up @@ -539,6 +569,10 @@ function Get-BisonExecutable {
return Join-Path -Path $BinaryCache -ChildPath "win_flex_bison\win_bison.exe"
}

function Get-SCCache {
return $KnownSCCache[$SCCacheVersion][$BuildArchName]
}

function Get-PythonPath([Hashtable] $Platform) {
return [IO.Path]::Combine("$BinaryCache\", "Python$($Platform.Architecture.CMakeName)-$PythonVersion")
}
Expand Down Expand Up @@ -967,6 +1001,12 @@ function Get-Dependencies {

if ($SkipBuild) { return }

if ($EnableCaching) {
$SCCache = Get-SCCache
DownloadAndVerify $SCCache.URL "$BinaryCache\sccache-$SCCacheVersion.zip" $SCCache.SHA256
Expand-ZipFile sccache-$SCCacheVersion.zip $BinaryCache sccache-$SCCacheVersion
}

DownloadAndVerify $PinnedBuild "$BinaryCache\$PinnedToolchain.exe" $PinnedSHA256

if ($Test -contains "lldb") {
Expand Down Expand Up @@ -1147,20 +1187,6 @@ function Add-FlagsDefine([hashtable]$Defines, [string]$Name, [string[]]$Value) {
}
}

function Test-SCCacheAtLeast([int]$Major, [int]$Minor, [int]$Patch = 0) {
if ($ToBatch) { return $false }

$SCCacheVersionString = @(& sccache.exe --version)[0]
if (-not ($SCCacheVersionString -match "sccache (\d+)\.(\d+)(?:\.(\d+))?")) {
throw "Unexpected SCCache version string format"
}

if ([int]$Matches.1 -ne $Major) { return [int]$Matches.1 -gt $Major }
if ([int]$Matches.2 -ne $Minor) { return [int]$Matches.2 -gt $Minor }
if ($null -eq $Matches.3) { return 0 -gt $Patch }
return [int]$Matches.3 -ge $Patch
}

function Get-PlatformRoot([OS] $OS) {
return ([IO.Path]::Combine((Get-InstallDir $HostPlatform), "Platforms", "$($OS.ToString()).platform"))
}
Expand Down Expand Up @@ -1289,14 +1315,14 @@ function Build-CMakeProject {
if ($UseMSVCCompilers.Contains("C")) {
Add-KeyValueIfNew $Defines CMAKE_C_COMPILER cl
if ($EnableCaching) {
Add-KeyValueIfNew $Defines CMAKE_C_COMPILER_LAUNCHER sccache
Add-KeyValueIfNew $Defines CMAKE_C_COMPILER_LAUNCHER $(Get-SCCache).Path
}
Add-FlagsDefine $Defines CMAKE_C_FLAGS $CFlags
}
if ($UseMSVCCompilers.Contains("CXX")) {
Add-KeyValueIfNew $Defines CMAKE_CXX_COMPILER cl
if ($EnableCaching) {
Add-KeyValueIfNew $Defines CMAKE_CXX_COMPILER_LAUNCHER sccache
Add-KeyValueIfNew $Defines CMAKE_CXX_COMPILER_LAUNCHER $(Get-SCCache).Path
}
Add-FlagsDefine $Defines CMAKE_CXX_FLAGS $CXXFlags
}
Expand Down Expand Up @@ -3192,10 +3218,7 @@ if ($Clean) {

if (-not $SkipBuild) {
if ($EnableCaching) {
if (-Not (Test-SCCacheAtLeast -Major 0 -Minor 7 -Patch 4)) {
throw "Minimum required sccache version is 0.7.4"
}
& sccache.exe --zero-stats
Invoke-Program (Get-SCCache).Path --zero-stats
}

Remove-Item -Force -Recurse ([IO.Path]::Combine((Get-InstallDir $HostPlatform), "Platforms")) -ErrorAction Ignore
Expand Down