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[msbuild] Have XcodeCompilerToolTask use xcrun to start Apple tools #9965

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merged 4 commits into from
Oct 27, 2020
Merged

[msbuild] Have XcodeCompilerToolTask use xcrun to start Apple tools #9965

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c620ae3
[msbuild] Have `XcodeCompilerToolTask` use `xcrun` to start Apple tools
Oct 26, 2020
f60b717
Apply feedback (remove unsafe)
Oct 26, 2020
3065d17
Check value if key is present
Oct 26, 2020
1cae7b2
Update test to find execution of actool inside logs
Oct 27, 2020
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43 changes: 32 additions & 11 deletions msbuild/Xamarin.MacDev.Tasks.Core/Tasks/XcodeCompilerToolTask.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@
using System.Text;
using System.Diagnostics;
using System.Collections.Generic;
using System.Runtime.InteropServices;

using Microsoft.Build.Framework;
using Microsoft.Build.Utilities;
Expand Down Expand Up @@ -101,16 +102,6 @@ protected virtual IEnumerable<string> GetTargetDevices (PDictionary plist)

protected abstract void AppendCommandLineArguments (IDictionary<string, string> environment, CommandLineArgumentBuilder args, ITaskItem[] items);

string GetFullPathToTool ()
{
if (!string.IsNullOrEmpty (ToolPath))
return Path.Combine (ToolPath, ToolExe);

var path = Path.Combine (DefaultBinDir, ToolExe);

return File.Exists (path) ? path : ToolExe;
}

static ProcessStartInfo GetProcessStartInfo (IDictionary<string, string> environment, string tool, string args)
{
var startInfo = new ProcessStartInfo (tool, args);
Expand All @@ -125,6 +116,22 @@ static ProcessStartInfo GetProcessStartInfo (IDictionary<string, string> environ
return startInfo;
}

static bool? translated;

[DllImport ("/usr/lib/libSystem.dylib", SetLastError = true)]
static extern int sysctlbyname (/* const char */ [MarshalAs (UnmanagedType.LPStr)] string property, ref long oldp, ref long oldlenp, IntPtr newp, /* size_t */ long newlen);

// https://developer.apple.com/documentation/apple_silicon/about_the_rosetta_translation_environment
static bool IsTranslated ()
{
if (translated == null) {
long result = 0;
long size = sizeof (long);
translated = ((sysctlbyname ("sysctl.proc_translated", ref result, ref size, IntPtr.Zero, 0) != -1) && (result == 1));
}
return translated.Value;
}

protected int Compile (ITaskItem[] items, string output, ITaskItem manifest)
{
var environment = new Dictionary<string, string> ();
Expand All @@ -136,6 +143,20 @@ protected int Compile (ITaskItem[] items, string output, ITaskItem manifest)
if (!string.IsNullOrEmpty (SdkUsrPath))
environment.Add ("XCODE_DEVELOPER_USR_PATH", SdkUsrPath);

if (!string.IsNullOrEmpty (SdkDevPath))
environment.Add ("DEVELOPER_DIR", SdkDevPath);

// workaround for ibtool[d] bug / asserts if Intel version is loaded
string tool;
if (IsTranslated ()) {
// we force the Intel (translated) msbuild process to launch ibtool as "Apple"
tool = "arch";
args.Add ("-arch", "arm64e");
args.Add ("/usr/bin/xcrun");
} else {
tool = "/usr/bin/xcrun";
}
args.Add (ToolName);
args.Add ("--errors", "--warnings", "--notices");
args.Add ("--output-format", "xml1");

Expand All @@ -153,7 +174,7 @@ protected int Compile (ITaskItem[] items, string output, ITaskItem manifest)
foreach (var item in items)
args.AddQuoted (item.GetMetadata ("FullPath"));

var startInfo = GetProcessStartInfo (environment, GetFullPathToTool (), args.ToString ());
var startInfo = GetProcessStartInfo (environment, tool, args.ToString ());
var errors = new StringBuilder ();
int exitCode;

Expand Down