public LuminToolChain(FileReference InProjectFile, bool bInUseLdGold = true, IReadOnlyList <string> InAdditionalArches = null, IReadOnlyList <string> InAdditionalGPUArches = null, bool bAllowMissingNDK = true)
: base(CppPlatform.Lumin, InProjectFile,
// @todo Lumin: ld gold?
true, null, null, true)
{
AdditionalGPUArches = new List <string>();
if (InAdditionalGPUArches != null)
{
AdditionalGPUArches.AddRange(InAdditionalGPUArches);
}
// by default tools chains don't parse arguments, but we want to be able to check the -gpuarchitectures flag defined above. This is
// only necessary when LuminToolChain is used during UAT
CommandLine.ParseArguments(Environment.GetCommandLineArgs(), this);
if (AdditionalGPUArches.Count == 0 && GPUArchitectureArg.Count > 0)
{
AdditionalGPUArches.AddRange(GPUArchitectureArg);
}
string MLSDKPath = Environment.GetEnvironmentVariable("MLSDK");
// don't register if we don't have an MLSDK specified
if (String.IsNullOrEmpty(MLSDKPath))
{
throw new BuildException("MLSDK is not specified; cannot use Lumin toolchain.");
}
MLSDKPath = MLSDKPath.Replace("\"", "");
string MabuSpec = RunMabuAndReadOutput("-t device --print-spec");
// parse clange version
Regex SpecRegex = new Regex("\\s*(?:[a-z]+_lumin_clang-)(\\d)[.](\\d)\\s*");
Match SpecMatch = SpecRegex.Match(MabuSpec);
if (SpecMatch.Groups.Count != 3)
{
throw new BuildException("Could not parse clang version from mabu spec '{0}'", MabuSpec);
}
string ClangVersion = string.Format("{0}.{1}", SpecMatch.Groups[1].Value, SpecMatch.Groups[2].Value);
SetClangVersion(int.Parse(SpecMatch.Groups[1].Value), int.Parse(SpecMatch.Groups[2].Value), 0);
string MabuTools = RunMabuAndReadOutput("-t device --print-tools");
Dictionary <string, string> ToolsDict = new Dictionary <string, string>();
using (StringReader Reader = new StringReader(MabuTools))
{
string Line = null;
while (null != (Line = Reader.ReadLine()))
{
string[] Split = Line.Split('=');
if (Split.Length != 2)
{
throw new BuildException("Unexpected output from mabu in --print-tools: '{0}'", Line);
}
ToolsDict.Add(Split[0].Trim(), Split[1].Trim());
}
}
// set up the path to our toolchains
ClangPath = ToolsDict["CXX"];
ArPathArm64 = ToolsDict["AR"];
StripPath = ToolsDict["STRIP"];
ObjCopyPath = ToolsDict["OBJCOPY"];
// force the compiler to be executed through a command prompt instance
bExecuteCompilerThroughShell = true;
// toolchain params
ToolchainParamsArm64 = " --sysroot=\"" + Path.Combine(MLSDKPath, "lumin") + "\"";
ToolchainLinkParamsArm = ToolchainParamsArm;
ToolchainLinkParamsArm64 = ToolchainParamsArm64;
ToolchainLinkParamsx86 = ToolchainParamsx86;
ToolchainLinkParamsx64 = ToolchainParamsx64;
}