/// <summary>
/// Main entry point
/// </summary>
/// <param name="Arguments">Command-line arguments</param>
/// <returns>One of the values of ECompilationResult</returns>
public override int Execute(CommandLineArguments Arguments)
{
Arguments.ApplyTo(this);
// Initialize the log system, buffering the output until we can create the log file
StartupTraceListener StartupListener = new StartupTraceListener();
Trace.Listeners.Add(StartupListener);
// Write the command line
Log.TraceLog("Command line: {0}", Environment.CommandLine);
// Grab the environment.
UnrealBuildTool.InitialEnvironment = Environment.GetEnvironmentVariables();
if (UnrealBuildTool.InitialEnvironment.Count < 1)
{
throw new BuildException("Environment could not be read");
}
// Read the XML configuration files
XmlConfig.ApplyTo(this);
// Fixup the log path if it wasn't overridden by a config file
if (BaseLogFileName == null)
{
BaseLogFileName = FileReference.Combine(UnrealBuildTool.EngineProgramSavedDirectory, "UnrealBuildTool", "Log.txt").FullName;
}
// Create the log file, and flush the startup listener to it
if (!Arguments.HasOption("-NoLog") && !Log.HasFileWriter())
{
FileReference LogFile = new FileReference(BaseLogFileName);
foreach (string LogSuffix in Arguments.GetValues("-LogSuffix="))
{
LogFile = LogFile.ChangeExtension(null) + "_" + LogSuffix + LogFile.GetExtension();
}
TextWriterTraceListener LogTraceListener = Log.AddFileWriter("DefaultLogTraceListener", LogFile);
StartupListener.CopyTo(LogTraceListener);
}
Trace.Listeners.Remove(StartupListener);
// Create the build configuration object, and read the settings
BuildConfiguration BuildConfiguration = new BuildConfiguration();
XmlConfig.ApplyTo(BuildConfiguration);
Arguments.ApplyTo(BuildConfiguration);
// Check the root path length isn't too long
if (BuildHostPlatform.Current.Platform == UnrealTargetPlatform.Win64 && UnrealBuildTool.RootDirectory.FullName.Length > BuildConfiguration.MaxRootPathLength)
{
Log.TraceWarning("Running from a path with a long directory name (\"{0}\" = {1} characters). Root paths shorter than {2} characters are recommended to avoid exceeding maximum path lengths on Windows.", UnrealBuildTool.RootDirectory, UnrealBuildTool.RootDirectory.FullName.Length, BuildConfiguration.MaxRootPathLength);
}
// now that we know the available platforms, we can delete other platforms' junk. if we're only building specific modules from the editor, don't touch anything else (it may be in use).
if (!bIgnoreJunk && !UnrealBuildTool.IsEngineInstalled())
{
using (Timeline.ScopeEvent("DeleteJunk()"))
{
JunkDeleter.DeleteJunk();
}
}
// Parse and build the targets
try
{
List <TargetDescriptor> TargetDescriptors;
// Parse all the target descriptors
using (Timeline.ScopeEvent("TargetDescriptor.ParseCommandLine()"))
{
TargetDescriptors = TargetDescriptor.ParseCommandLine(Arguments, BuildConfiguration.bUsePrecompiled, BuildConfiguration.bSkipRulesCompile);
}
// Hack for specific files compile; don't build the ShaderCompileWorker target that's added to the command line for generated project files
if (TargetDescriptors.Count >= 2)
{
TargetDescriptors.RemoveAll(x => (x.Name == "ShaderCompileWorker" || x.Name == "LiveCodingConsole") && x.SpecificFilesToCompile.Count > 0);
}
// Handle remote builds
for (int Idx = 0; Idx < TargetDescriptors.Count; ++Idx)
{
TargetDescriptor TargetDesc = TargetDescriptors[Idx];
if (RemoteMac.HandlesTargetPlatform(TargetDesc.Platform))
{
FileReference BaseLogFile = Log.OutputFile ?? new FileReference(BaseLogFileName);
FileReference RemoteLogFile = FileReference.Combine(BaseLogFile.Directory, BaseLogFile.GetFileNameWithoutExtension() + "_Remote.txt");
RemoteMac RemoteMac = new RemoteMac(TargetDesc.ProjectFile);
if (!RemoteMac.Build(TargetDesc, RemoteLogFile, bSkipPreBuildTargets))
{
return((int)CompilationResult.Unknown);
}
TargetDescriptors.RemoveAt(Idx--);
}
}
// Handle local builds
if (TargetDescriptors.Count > 0)
{
// Get a set of all the project directories
HashSet <DirectoryReference> ProjectDirs = new HashSet <DirectoryReference>();
foreach (TargetDescriptor TargetDesc in TargetDescriptors)
{
if (TargetDesc.ProjectFile != null)
{
DirectoryReference ProjectDirectory = TargetDesc.ProjectFile.Directory;
FileMetadataPrefetch.QueueProjectDirectory(ProjectDirectory);
ProjectDirs.Add(ProjectDirectory);
}
}
// Get all the build options
BuildOptions Options = BuildOptions.None;
if (bSkipBuild)
{
Options |= BuildOptions.SkipBuild;
}
if (bXGEExport)
{
Options |= BuildOptions.XGEExport;
}
if (bNoEngineChanges)
{
Options |= BuildOptions.NoEngineChanges;
}
// Create the working set provider per group.
using (ISourceFileWorkingSet WorkingSet = SourceFileWorkingSet.Create(UnrealBuildTool.RootDirectory, ProjectDirs))
{
Build(TargetDescriptors, BuildConfiguration, WorkingSet, Options, WriteOutdatedActionsFile, bSkipPreBuildTargets);
}
}
}
finally
{
// Save all the caches
SourceFileMetadataCache.SaveAll();
CppDependencyCache.SaveAll();
}
return(0);
}
/// <summary>
/// Main entry point
/// </summary>
/// <param name="Arguments">Command-line arguments</param>
/// <returns>One of the values of ECompilationResult</returns>
public override int Execute(CommandLineArguments Arguments)
{
Arguments.ApplyTo(this);
// Initialize the log system, buffering the output until we can create the log file
StartupTraceListener StartupListener = new StartupTraceListener();
Trace.Listeners.Add(StartupListener);
// Write the command line
Log.TraceLog("Command line: {0}", Environment.CommandLine);
// Grab the environment.
UnrealBuildTool.InitialEnvironment = Environment.GetEnvironmentVariables();
if (UnrealBuildTool.InitialEnvironment.Count < 1)
{
throw new BuildException("Environment could not be read");
}
// Read the XML configuration files
XmlConfig.ApplyTo(this);
// Create the log file, and flush the startup listener to it
if (!Arguments.HasOption("-NoLog") && !Log.HasFileWriter())
{
FileReference LogFile = new FileReference(BaseLogFileName);
foreach (string LogSuffix in Arguments.GetValues("-LogSuffix="))
{
LogFile = LogFile.ChangeExtension(null) + "_" + LogSuffix + LogFile.GetExtension();
}
TextWriterTraceListener LogTraceListener = Log.AddFileWriter("DefaultLogTraceListener", LogFile);
StartupListener.CopyTo(LogTraceListener);
}
Trace.Listeners.Remove(StartupListener);
// Create the build configuration object, and read the settings
BuildConfiguration BuildConfiguration = new BuildConfiguration();
XmlConfig.ApplyTo(BuildConfiguration);
Arguments.ApplyTo(BuildConfiguration);
// now that we know the available platforms, we can delete other platforms' junk. if we're only building specific modules from the editor, don't touch anything else (it may be in use).
if (!bIgnoreJunk && !UnrealBuildTool.IsEngineInstalled())
{
using (Timeline.ScopeEvent("DeleteJunk()"))
{
JunkDeleter.DeleteJunk();
}
}
// Parse and build the targets
try
{
// Parse all the target descriptors
List <TargetDescriptor> TargetDescriptors;
using (Timeline.ScopeEvent("TargetDescriptor.ParseCommandLine()"))
{
TargetDescriptors = TargetDescriptor.ParseCommandLine(Arguments, BuildConfiguration.bUsePrecompiled, BuildConfiguration.bSkipRulesCompile);
}
// Hack for single file compile; don't build the ShaderCompileWorker target that's added to the command line for generated project files
if (TargetDescriptors.Count >= 2)
{
TargetDescriptors.RemoveAll(x => x.Name == "ShaderCompileWorker" && x.SingleFileToCompile != null);
}
// Handle remote builds
for (int Idx = 0; Idx < TargetDescriptors.Count; Idx++)
{
TargetDescriptor TargetDesc = TargetDescriptors[Idx];
if (RemoteMac.HandlesTargetPlatform(TargetDesc.Platform))
{
FileReference BaseLogFile = Log.OutputFile ?? new FileReference(BaseLogFileName);
FileReference RemoteLogFile = FileReference.Combine(BaseLogFile.Directory, BaseLogFile.GetFileNameWithoutExtension() + "_Remote.txt");
RemoteMac RemoteMac = new RemoteMac(TargetDesc.ProjectFile);
if (!RemoteMac.Build(TargetDesc, RemoteLogFile))
{
return((int)CompilationResult.Unknown);
}
TargetDescriptors.RemoveAt(Idx--);
}
}
// Handle local builds
if (TargetDescriptors.Count > 0)
{
// Get a set of all the project directories
HashSet <DirectoryReference> ProjectDirs = new HashSet <DirectoryReference>();
foreach (TargetDescriptor TargetDesc in TargetDescriptors)
{
if (TargetDesc.ProjectFile != null)
{
DirectoryReference ProjectDirectory = TargetDesc.ProjectFile.Directory;
FileMetadataPrefetch.QueueProjectDirectory(ProjectDirectory);
ProjectDirs.Add(ProjectDirectory);
}
}
// Get all the build options
BuildOptions Options = BuildOptions.None;
if (bSkipBuild)
{
Options |= BuildOptions.SkipBuild;
}
if (bXGEExport)
{
Options |= BuildOptions.XGEExport;
}
// Create the working set provider
using (ISourceFileWorkingSet WorkingSet = SourceFileWorkingSet.Create(UnrealBuildTool.RootDirectory, ProjectDirs))
{
Build(TargetDescriptors, BuildConfiguration, WorkingSet, Options);
}
}
}
finally
{
// Save all the caches
SourceFileMetadataCache.SaveAll();
CppDependencyCache.SaveAll();
}
return(0);
}