private static void SelectXcode(ref string DeveloperDir, bool bVerbose)
{
string Reason = "hardcoded";
if (DeveloperDir == "xcode-select")
{
Reason = "xcode-select";
// on the Mac, run xcode-select directly
DeveloperDir = Utils.RunLocalProcessAndReturnStdOut("xcode-select", "--print-path");
// make sure we get a full path
if (Directory.Exists(DeveloperDir) == false)
{
throw new BuildException("Selected Xcode ('{0}') doesn't exist, cannot continue.", DeveloperDir);
}
if (DeveloperDir.EndsWith("/") == false)
{
// we expect this to end with a slash
DeveloperDir += "/";
}
}
if (bVerbose && !DeveloperDir.StartsWith("/Applications/Xcode.app"))
{
Log.TraceInformationOnce("Compiling with non-standard Xcode ({0}): {1}", Reason, DeveloperDir);
}
}
protected Version GetClangVersion()
{
if (ClangVersion == null)
{
FileReference ClangLocation = new FileReference("/usr/bin/clang");
string VersionString = Utils.RunLocalProcessAndReturnStdOut(ClangLocation.FullName, "--version");
Match M = Regex.Match(VersionString, @"version\s+(\d+)\.(\d+)\.(\d+)");
if (M.Success)
{
ClangVersion = new Version(
Convert.ToInt32(M.Groups[1].ToString()),
Convert.ToInt32(M.Groups[2].ToString()),
Convert.ToInt32(M.Groups[3].ToString())
);
}
else
{
Log.TraceError("Failed to detect clang version from output of {0} --version. Output={1}",
ClangLocation.FullName, VersionString);
ClangVersion = new Version(0, 0, 0);
}
}
return(ClangVersion);
}
public string RunMabuAndReadOutput(string Params)
{
try
{
return(Utils.RunLocalProcessAndReturnStdOut(MabuPath, Params));
}
catch (Exception e)
{
throw new BuildException("Running mabu failed: '{0}'", e.Message);
}
}
private static void SelectXcode(ref string DeveloperDir, bool bVerbose)
{
string Reason = "hardcoded";
if (DeveloperDir == "xcode-select")
{
Reason = "xcode-select";
// on the Mac, run xcode-select directly
DeveloperDir = Utils.RunLocalProcessAndReturnStdOut("xcode-select", "--print-path");
// make sure we get a full path
if (Directory.Exists(DeveloperDir) == false)
{
throw new BuildException("Selected Xcode ('{0}') doesn't exist, cannot continue.", DeveloperDir);
}
if (DeveloperDir.EndsWith("/") == false)
{
// we expect this to end with a slash
DeveloperDir += "/";
}
}
if (bVerbose && !DeveloperDir.StartsWith("/Applications/Xcode.app"))
{
Log.TraceInformationOnce("Compiling with non-standard Xcode ({0}): {1}", Reason, DeveloperDir);
}
// Installed engine requires Xcode 11
if (UnrealBuildTool.IsEngineInstalled())
{
string XcodeBuilderVersionOutput = Utils.RunLocalProcessAndReturnStdOut("xcodebuild", "-version");
if (XcodeBuilderVersionOutput.Length > 10)
{
string[] Version = XcodeBuilderVersionOutput.Substring(6, 4).Split('.');
if (Version.Length == 2)
{
if (int.Parse(Version[0]) < 11)
{
throw new BuildException("Building for macOS, iOS and tvOS requires Xcode 11 or newer, Xcode " + Version[0] + "." + Version[1] + " detected");
}
}
else
{
Log.TraceWarning("Failed to query Xcode version");
}
}
else
{
Log.TraceWarning("Failed to query Xcode version");
}
}
}
/// <summary>
/// Runs the provided tool and argument and parses the output to retrieve the version
/// </summary>
/// <param name="Command">Full path to the tool to run</param>
/// <param name="VersionArg">Argument that will result in the version string being shown (it's ok this is a byproduct of a command that returns an error)</param>
/// <param name="VersionExpression">Regular expression to capture the version. By default we look for four integers separated by periods, with the last two optional</param>
/// <returns></returns>
public static Version RunToolAndCaptureVersion(FileReference Command, string VersionArg, string VersionExpression = @"(\d+\.\d+(\.\d+)?(\.\d+)?)")
{
string ProcessOutput = Utils.RunLocalProcessAndReturnStdOut(Command.FullName, VersionArg);
Match M = Regex.Match(ProcessOutput, VersionExpression);
Version ToolVersion = new Version(0, 0);
if (M.Success && Version.TryParse(M.Groups[1].ToString(), out ToolVersion))
{
return(ToolVersion);
}
Log.TraceWarning("Unable to retrieve version from {0} {1}", Command, VersionArg);
return(ToolVersion);
}
/// <summary>
/// Runs external program. Blocking.
/// </summary>
/// <param name="Executable"> Executable</param>
/// <param name="CommandLine"> Commandline</param>
/// <returns>bool Application ran successfully</returns>
protected bool RunExternalProgram(string Executable, string CommandLine)
{
if (File.Exists(Executable) == false)
{
throw new BuildException("BUILD FAILED: Couldn't find the executable to Run: {0}", Executable);
}
int ExitCode;
string StdOutString = Utils.RunLocalProcessAndReturnStdOut(Executable, CommandLine, out ExitCode, (Log.OutputLevel >= LogEventType.Verbose));
if (ExitCode == 0)
{
return(true);
}
else
{
Log.TraceError(Path.GetFileName(Executable) + " returned an error.\nApplication output:\n" + StdOutString);
return(false);
}
}
protected static void SelectXcode(ref string DeveloperDir, bool bVerbose)
{
string Reason = "hardcoded";
if (DeveloperDir == "xcode-select")
{
Reason = "xcode-select";
if (Utils.IsRunningOnMono)
{
// on the Mac, run xcode-select directly
DeveloperDir = Utils.RunLocalProcessAndReturnStdOut("xcode-select", "--print-path");
// make sure we get a full path
if (Directory.Exists(DeveloperDir) == false)
{
throw new BuildException("Selected Xcode ('{0}') doesn't exist, cannot continue.", DeveloperDir);
}
}
else
{
Hashtable Results = RPCUtilHelper.Command("/", "xcode-select", "--print-path", null);
if (Results != null)
{
DeveloperDir = (string)Results["CommandOutput"];
DeveloperDir = DeveloperDir.TrimEnd();
}
}
if (DeveloperDir.EndsWith("/") == false)
{
// we expect this to end with a slash
DeveloperDir += "/";
}
}
if (bVerbose && !DeveloperDir.StartsWith("/Applications/Xcode.app"))
{
Log.TraceInformationOnce("Compiling with non-standard Xcode ({0}): {1}", Reason, DeveloperDir);
}
}
protected string GetDsymutilPath(out string ExtraOptions, bool bIsForLTOBuild = false)
{
FileReference DsymutilLocation = new FileReference("/usr/bin/dsymutil");
// dsymutil before 10.0.1 has a bug that causes issues, it's fixed in autosdks but not everyone has those set up so for the timebeing we have
// a version in P4 - first determine if we need it
string DsymutilVersionString = Utils.RunLocalProcessAndReturnStdOut(DsymutilLocation.FullName, "-version");
bool bUseInstalledDsymutil = true;
int Major = 0, Minor = 0, Patch = 0;
// tease out the version number
string[] Tokens = DsymutilVersionString.Split(" ".ToCharArray());
// sanity check
if (Tokens.Length < 4 || Tokens[3].Contains(".") == false)
{
Log.TraceInformationOnce("Unable to parse dsymutil version out of: {0}", DsymutilVersionString);
bUseInstalledDsymutil = false;
}
else
{
string[] Versions = Tokens[3].Split(".".ToCharArray());
if (Versions.Length < 3)
{
Log.TraceInformationOnce("Unable to parse version token: {0}", Tokens[3]);
}
else
{
if (!int.TryParse(Versions[0], out Major) || !int.TryParse(Versions[1], out Minor) || !int.TryParse(Versions[2], out Patch))
{
Log.TraceInformationOnce("Unable to parse version tokens: {0}", Tokens[3]);
}
else
{
Log.TraceInformationOnce("Parsed dsymutil version as {0}.{1}.{2}", Major, Minor, Patch);
if (Major < 10 || (Minor == 0 && Patch == 0))
{
bUseInstalledDsymutil = false;
}
}
}
}
// if the installed one is too old, use a fixed up one if it can
if (bUseInstalledDsymutil == false)
{
FileReference PatchedDsymutilLocation = FileReference.Combine(UnrealBuildTool.EngineDirectory, "Binaries/Mac/NotForLicensees/LLVM/bin/dsymutil");
if (File.Exists(PatchedDsymutilLocation.FullName))
{
DsymutilLocation = PatchedDsymutilLocation;
}
DirectoryReference AutoSdkDir;
if (UEBuildPlatformSDK.TryGetHostPlatformAutoSDKDir(out AutoSdkDir))
{
FileReference AutoSdkDsymutilLocation = FileReference.Combine(AutoSdkDir, "Mac", "LLVM", "bin", "dsymutil");
if (FileReference.Exists(AutoSdkDsymutilLocation))
{
DsymutilLocation = AutoSdkDsymutilLocation;
}
}
}
// 10.0.1 has an issue with LTO builds where we need to limit the number of threads
ExtraOptions = (bIsForLTOBuild && Major == 10 && Minor == 0 && Patch == 1) ? "-j 1" : "";
return(DsymutilLocation.FullName);
}