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[release/7.0.1xx] ResolveReadyToRunCompilers: map non-portable rids when targetOS is determined. (#28380) #29052

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merged 1 commit into from
Nov 17, 2022
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[release/7.0.1xx] ResolveReadyToRunCompilers: map non-portable rids when targetOS is determined. (#28380) #29052

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53 changes: 44 additions & 9 deletions src/Tasks/Microsoft.NET.Build.Tasks/ResolveReadyToRunCompilers.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -143,21 +143,14 @@ private bool ValidateCrossgen2Support()

bool version5 = crossgen2PackVersion.Major < 6;
bool isSupportedTarget = ExtractTargetPlatformAndArchitecture(_targetRuntimeIdentifier, out _targetPlatform, out _targetArchitecture);
string targetOS = _targetPlatform switch
{
"linux" => "linux",
"linux-musl" => "linux",
"osx" => "osx",
"win" => "windows",
_ => null
};

// In .NET 5 Crossgen2 supported only the following host->target compilation scenarios:
// win-x64 -> win-x64
// linux-x64 -> linux-x64
// linux-musl-x64 -> linux-musl-x64
string targetOS = null;
isSupportedTarget = isSupportedTarget &&
targetOS != null &&
GetCrossgen2TargetOS(out targetOS) &&
(!version5 || _targetRuntimeIdentifier == _hostRuntimeIdentifier) &&
GetCrossgen2ComponentsPaths(version5);

Expand Down Expand Up @@ -188,6 +181,48 @@ private bool ValidateCrossgen2Support()
return true;
}

private bool GetCrossgen2TargetOS(out string targetOS)
{
targetOS = null;

// Determine targetOS based on target rid.
// Use the runtime graph to support non-portable target rids.
var runtimeGraph = new RuntimeGraphCache(this).GetRuntimeGraph(RuntimeGraphPath);
string portablePlatform = NuGetUtils.GetBestMatchingRid(
runtimeGraph,
_targetPlatform,
new[] { "linux", "linux-musl", "osx", "win" },
out _);

// For source-build, allow the bootstrap SDK rid to be unknown to the runtime repo graph.
if (portablePlatform == null && _targetRuntimeIdentifier == _hostRuntimeIdentifier)
{
if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
{
portablePlatform = "linux";
}
else if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
{
portablePlatform = "win";
}
else if (RuntimeInformation.IsOSPlatform(OSPlatform.OSX))
{
portablePlatform = "osx";
}
}

targetOS = portablePlatform switch
{
"linux" => "linux",
"linux-musl" => "linux",
"osx" => "osx",
"win" => "windows",
_ => null
};

return targetOS != null;
}

private ITaskItem GetNETCoreAppRuntimePack()
{
return GetNETCoreAppPack(RuntimePacks, MetadataKeys.FrameworkName);
Expand Down