public override FileItem LinkFiles(LinkEnvironment LinkEnvironment, bool bBuildImportLibraryOnly)
{
if (LinkEnvironment.Config.bIsBuildingDotNetAssembly)
{
return(FileItem.GetItemByFileReference(LinkEnvironment.Config.OutputFilePath));
}
bool bIsBuildingLibrary = LinkEnvironment.Config.bIsBuildingLibrary || bBuildImportLibraryOnly;
bool bIncludeDependentLibrariesInLibrary = bIsBuildingLibrary && LinkEnvironment.Config.bIncludeDependentLibrariesInLibrary;
// Create an action that invokes the linker.
Action LinkAction = new Action(ActionType.Link);
LinkAction.WorkingDirectory = UnrealBuildTool.EngineSourceDirectory.FullName;
LinkAction.CommandPath = GetVCToolPath(
LinkEnvironment.Config.Target.Platform,
LinkEnvironment.Config.Target.Configuration,
bIsBuildingLibrary ? "lib" : "link");
// Get link arguments.
LinkAction.CommandArguments = bIsBuildingLibrary ?
GetLibArguments(LinkEnvironment) :
GetLinkArguments(LinkEnvironment);
// Tell the action that we're building an import library here and it should conditionally be
// ignored as a prerequisite for other actions
LinkAction.bProducesImportLibrary = bBuildImportLibraryOnly || LinkEnvironment.Config.bIsBuildingDLL;
// If we're only building an import library, add the '/DEF' option that tells the LIB utility
// to simply create a .LIB file and .EXP file, and don't bother validating imports
if (bBuildImportLibraryOnly)
{
LinkAction.CommandArguments += " /DEF";
// Ensure that the import library references the correct filename for the linked binary.
LinkAction.CommandArguments += string.Format(" /NAME:\"{0}\"", LinkEnvironment.Config.OutputFilePath.GetFileName());
}
if (!LinkEnvironment.Config.bIsBuildingLibrary || (LinkEnvironment.Config.bIsBuildingLibrary && bIncludeDependentLibrariesInLibrary))
{
// Add the library paths to the argument list.
foreach (string LibraryPath in LinkEnvironment.Config.LibraryPaths)
{
LinkAction.CommandArguments += string.Format(" /LIBPATH:\"{0}\"", LibraryPath);
}
// Add the excluded default libraries to the argument list.
foreach (string ExcludedLibrary in LinkEnvironment.Config.ExcludedLibraries)
{
LinkAction.CommandArguments += string.Format(" /NODEFAULTLIB:\"{0}\"", ExcludedLibrary);
}
}
// For targets that are cross-referenced, we don't want to write a LIB file during the link step as that
// file will clobber the import library we went out of our way to generate during an earlier step. This
// file is not needed for our builds, but there is no way to prevent MSVC from generating it when
// linking targets that have exports. We don't want this to clobber our LIB file and invalidate the
// existing timstamp, so instead we simply emit it with a different name
FileReference ImportLibraryFilePath = FileReference.Combine(LinkEnvironment.Config.IntermediateDirectory,
LinkEnvironment.Config.OutputFilePath.GetFileNameWithoutExtension() + ".lib");
if (LinkEnvironment.Config.bIsCrossReferenced && !bBuildImportLibraryOnly)
{
ImportLibraryFilePath += ".suppressed";
}
FileItem OutputFile;
if (bBuildImportLibraryOnly)
{
OutputFile = FileItem.GetItemByFileReference(ImportLibraryFilePath);
}
else
{
OutputFile = FileItem.GetItemByFileReference(LinkEnvironment.Config.OutputFilePath);
OutputFile.bNeedsHotReloadNumbersDLLCleanUp = LinkEnvironment.Config.bIsBuildingDLL;
}
LinkAction.ProducedItems.Add(OutputFile);
LinkAction.StatusDescription = Path.GetFileName(OutputFile.AbsolutePath);
// Add the input files to a response file, and pass the response file on the command-line.
List <string> InputFileNames = new List <string>();
foreach (FileItem InputFile in LinkEnvironment.InputFiles)
{
InputFileNames.Add(string.Format("\"{0}\"", InputFile.AbsolutePath));
LinkAction.PrerequisiteItems.Add(InputFile);
}
if (!bBuildImportLibraryOnly)
{
// Add input libraries as prerequisites, too!
foreach (FileItem InputLibrary in LinkEnvironment.InputLibraries)
{
InputFileNames.Add(string.Format("\"{0}\"", InputLibrary.AbsolutePath));
LinkAction.PrerequisiteItems.Add(InputLibrary);
}
}
if (!bIsBuildingLibrary || (LinkEnvironment.Config.bIsBuildingLibrary && bIncludeDependentLibrariesInLibrary))
{
foreach (string AdditionalLibrary in LinkEnvironment.Config.AdditionalLibraries)
{
InputFileNames.Add(string.Format("\"{0}\"", AdditionalLibrary));
// If the library file name has a relative path attached (rather than relying on additional
// lib directories), then we'll add it to our prerequisites list. This will allow UBT to detect
// when the binary needs to be relinked because a dependent external library has changed.
//if( !String.IsNullOrEmpty( Path.GetDirectoryName( AdditionalLibrary ) ) )
{
LinkAction.PrerequisiteItems.Add(FileItem.GetItemByPath(AdditionalLibrary));
}
}
}
// Create a response file for the linker
FileReference ResponseFileName = GetResponseFileName(LinkEnvironment, OutputFile);
// Never create response files when we are only generating IntelliSense data
if (!ProjectFileGenerator.bGenerateProjectFiles)
{
ResponseFile.Create(ResponseFileName, InputFileNames);
}
LinkAction.CommandArguments += string.Format(" @\"{0}\"", ResponseFileName);
// Add the output file to the command-line.
LinkAction.CommandArguments += string.Format(" /OUT:\"{0}\"", OutputFile.AbsolutePath);
if (bBuildImportLibraryOnly || (LinkEnvironment.Config.bHasExports && !bIsBuildingLibrary))
{
// An export file is written to the output directory implicitly; add it to the produced items list.
FileReference ExportFilePath = ImportLibraryFilePath.ChangeExtension(".exp");
FileItem ExportFile = FileItem.GetItemByFileReference(ExportFilePath);
LinkAction.ProducedItems.Add(ExportFile);
}
if (!bIsBuildingLibrary)
{
// There is anything to export
if (LinkEnvironment.Config.bHasExports
// Shipping monolithic builds don't need exports
&& (!((LinkEnvironment.Config.Target.Configuration == CPPTargetConfiguration.Shipping) && (LinkEnvironment.bShouldCompileMonolithic != false))))
{
// Write the import library to the output directory for nFringe support.
FileItem ImportLibraryFile = FileItem.GetItemByFileReference(ImportLibraryFilePath);
LinkAction.CommandArguments += string.Format(" /IMPLIB:\"{0}\"", ImportLibraryFilePath);
LinkAction.ProducedItems.Add(ImportLibraryFile);
}
if (LinkEnvironment.Config.bCreateDebugInfo)
{
// Write the PDB file to the output directory.
{
FileReference PDBFilePath = FileReference.Combine(LinkEnvironment.Config.OutputDirectory, Path.GetFileNameWithoutExtension(OutputFile.AbsolutePath) + ".pdb");
FileItem PDBFile = FileItem.GetItemByFileReference(PDBFilePath);
LinkAction.CommandArguments += string.Format(" /PDB:\"{0}\"", PDBFilePath);
LinkAction.ProducedItems.Add(PDBFile);
}
// Write the MAP file to the output directory.
#if false
if (true)
{
FileReference MAPFilePath = FileReference.Combine(LinkEnvironment.Config.OutputDirectory, Path.GetFileNameWithoutExtension(OutputFile.AbsolutePath) + ".map");
FileItem MAPFile = FileItem.GetItemByFileReference(MAPFilePath);
LinkAction.CommandArguments += string.Format(" /MAP:\"{0}\"", MAPFilePath);
LinkAction.ProducedItems.Add(MAPFile);
}
#endif
}
// Add the additional arguments specified by the environment.
LinkAction.CommandArguments += LinkEnvironment.Config.AdditionalArguments;
}
Log.TraceVerbose(" Linking: " + LinkAction.StatusDescription);
Log.TraceVerbose(" Command: " + LinkAction.CommandArguments);
// Only execute linking on the local PC.
LinkAction.bCanExecuteRemotely = false;
return(OutputFile);
}
public override FileItem LinkFiles(LinkEnvironment LinkEnvironment, bool bBuildImportLibraryOnly)
{
if (LinkEnvironment.Config.Target.Architecture == "-win32")
{
return(base.LinkFiles(LinkEnvironment, bBuildImportLibraryOnly));
}
FileItem OutputFile;
// Make the final javascript file
Action LinkAction = new Action(ActionType.Link);
// ResponseFile lines.
List <string> ReponseLines = new List <string>();
LinkAction.bCanExecuteRemotely = false;
LinkAction.WorkingDirectory = Path.GetFullPath(".");
LinkAction.CommandPath = HTML5SDKInfo.Python();
LinkAction.CommandArguments = HTML5SDKInfo.EmscriptenCompiler();
ReponseLines.Add(GetLinkArguments(LinkEnvironment));
// Add the input files to a response file, and pass the response file on the command-line.
foreach (FileItem InputFile in LinkEnvironment.InputFiles)
{
//System.Console.WriteLine("File {0} ", InputFile.AbsolutePath);
ReponseLines.Add(string.Format(" \"{0}\"", InputFile.AbsolutePath));
LinkAction.PrerequisiteItems.Add(InputFile);
}
if (!LinkEnvironment.Config.bIsBuildingLibrary)
{
// Make sure ThirdParty libs are at the end.
List <string> ThirdParty = (from Lib in LinkEnvironment.Config.AdditionalLibraries
where Lib.Contains("ThirdParty")
select Lib).ToList();
LinkEnvironment.Config.AdditionalLibraries.RemoveAll(Element => Element.Contains("ThirdParty"));
LinkEnvironment.Config.AdditionalLibraries.AddRange(ThirdParty);
foreach (string InputFile in LinkEnvironment.Config.AdditionalLibraries)
{
FileItem Item = FileItem.GetItemByPath(InputFile);
if (Item.AbsolutePath.Contains(".lib"))
{
continue;
}
if (Item != null)
{
if (Item.ToString().Contains(".js"))
{
ReponseLines.Add(string.Format(" --js-library \"{0}\"", Item.AbsolutePath));
}
else
{
ReponseLines.Add(string.Format(" \"{0}\"", Item.AbsolutePath));
}
LinkAction.PrerequisiteItems.Add(Item);
}
}
}
// make the file we will create
OutputFile = FileItem.GetItemByPath(LinkEnvironment.Config.OutputFilePath);
LinkAction.ProducedItems.Add(OutputFile);
ReponseLines.Add(string.Format(" -o \"{0}\"", OutputFile.AbsolutePath));
FileItem OutputBC = FileItem.GetItemByPath(LinkEnvironment.Config.OutputFilePath.Replace(".js", ".bc").Replace(".html", ".bc"));
LinkAction.ProducedItems.Add(OutputBC);
ReponseLines.Add(" --emit-symbol-map " + string.Format(" --save-bc \"{0}\"", OutputBC.AbsolutePath));
LinkAction.StatusDescription = Path.GetFileName(OutputFile.AbsolutePath);
string ResponseFileName = GetResponseFileName(LinkEnvironment, OutputFile);
LinkAction.CommandArguments += string.Format(" @\"{0}\"", ResponseFile.Create(ResponseFileName, ReponseLines));
LinkAction.OutputEventHandler = new DataReceivedEventHandler(RemoteOutputReceivedEventHandler);
return(OutputFile);
}
public override FileItem LinkFiles(LinkEnvironment LinkEnvironment, bool bBuildImportLibraryOnly, ActionGraph ActionGraph)
{
FileItem OutputFile;
// Make the final javascript file
Action LinkAction = ActionGraph.Add(ActionType.Link);
LinkAction.CommandDescription = "Link";
// LinkAction.bPrintDebugInfo = true;
// ResponseFile lines.
List <string> ReponseLines = new List <string>();
LinkAction.bCanExecuteRemotely = false;
LinkAction.WorkingDirectory = UnrealBuildTool.EngineSourceDirectory.FullName;
LinkAction.CommandPath = HTML5SDKInfo.Python();
LinkAction.CommandArguments = HTML5SDKInfo.EmscriptenCompiler();
// bool bIsBuildingLibrary = LinkEnvironment.bIsBuildingLibrary || bBuildImportLibraryOnly;
// ReponseLines.Add(
// bIsBuildingLibrary ?
// GetLibArguments(LinkEnvironment) :
// GetLinkArguments(LinkEnvironment)
// );
ReponseLines.Add(GetLinkArguments(LinkEnvironment));
// Add the input files to a response file, and pass the response file on the command-line.
foreach (FileItem InputFile in LinkEnvironment.InputFiles)
{
//System.Console.WriteLine("File {0} ", InputFile.AbsolutePath);
ReponseLines.Add(string.Format(" \"{0}\"", InputFile.AbsolutePath));
LinkAction.PrerequisiteItems.Add(InputFile);
}
if (!LinkEnvironment.bIsBuildingLibrary)
{
// Make sure ThirdParty libs are at the end.
List <string> ThirdParty = (from Lib in LinkEnvironment.AdditionalLibraries
where Lib.Contains("ThirdParty")
select Lib).ToList();
LinkEnvironment.AdditionalLibraries.RemoveAll(Element => Element.Contains("ThirdParty"));
LinkEnvironment.AdditionalLibraries.AddRange(ThirdParty);
foreach (string InputFile in LinkEnvironment.AdditionalLibraries)
{
FileItem Item = FileItem.GetItemByPath(InputFile);
if (Item.AbsolutePath.Contains(".lib"))
{
continue;
}
if (Item.ToString().EndsWith(".js"))
{
ReponseLines.Add(string.Format(" --js-library \"{0}\"", Item.AbsolutePath));
}
// WARNING: With --pre-js and --post-js, the order in which these directives are passed to
// the compiler is very critical, because that dictates the order in which they are appended.
//
// Set environment variable [ EMCC_DEBUG=1 ] to see the linker order used in packaging.
// See GetSharedArguments_Global() above to set this environment variable
else if (Item.ToString().EndsWith(".jspre"))
{
ReponseLines.Add(string.Format(" --pre-js \"{0}\"", Item.AbsolutePath));
}
else if (Item.ToString().EndsWith(".jspost"))
{
ReponseLines.Add(string.Format(" --post-js \"{0}\"", Item.AbsolutePath));
}
else
{
ReponseLines.Add(string.Format(" \"{0}\"", Item.AbsolutePath));
}
LinkAction.PrerequisiteItems.Add(Item);
}
}
// make the file we will create
OutputFile = FileItem.GetItemByFileReference(LinkEnvironment.OutputFilePath);
LinkAction.ProducedItems.Add(OutputFile);
ReponseLines.Add(string.Format(" -o \"{0}\"", OutputFile.AbsolutePath));
FileItem OutputBC = FileItem.GetItemByPath(LinkEnvironment.OutputFilePath.FullName.Replace(".js", ".bc").Replace(".html", ".bc"));
LinkAction.ProducedItems.Add(OutputBC);
ReponseLines.Add(string.Format(" --save-bc \"{0}\"", OutputBC.AbsolutePath));
LinkAction.StatusDescription = Path.GetFileName(OutputFile.AbsolutePath);
FileReference ResponseFileName = GetResponseFileName(LinkEnvironment, OutputFile);
LinkAction.CommandArguments += string.Format(" @\"{0}\"", ResponseFile.Create(ResponseFileName, ReponseLines));
LinkAction.OutputEventHandler = new DataReceivedEventHandler(RemoteOutputReceivedEventHandler);
return(OutputFile);
}
public override FileItem[] LinkAllFiles(LinkEnvironment LinkEnvironment, bool bBuildImportLibraryOnly)
{
List <FileItem> Outputs = new List <FileItem>();
for (int ArchIndex = 0; ArchIndex < Arches.Length; ArchIndex++)
{
string Arch = Arches[ArchIndex];
for (int GPUArchIndex = 0; GPUArchIndex < GPUArchitectures.Length; GPUArchIndex++)
{
string GPUArchitecture = GPUArchitectures[GPUArchIndex];
int OutputPathIndex = ArchIndex * GPUArchitectures.Length + GPUArchIndex;
// Android will have an array of outputs
if (LinkEnvironment.Config.OutputFilePaths.Length < OutputPathIndex ||
!Path.GetFileNameWithoutExtension(LinkEnvironment.Config.OutputFilePaths[OutputPathIndex]).EndsWith(Arch + GPUArchitecture))
{
throw new BuildException("The OutputFilePaths array didn't match the Arches array in AndroidToolChain.LinkAllFiles");
}
// Create an action that invokes the linker.
Action LinkAction = new Action(ActionType.Link);
LinkAction.WorkingDirectory = Path.GetFullPath(".");
if (LinkEnvironment.Config.bIsBuildingLibrary)
{
LinkAction.CommandPath = Arch == "-armv7" ? ArPathArm : ArPathx86;
}
else
{
LinkAction.CommandPath = ClangPath;
}
string LinkerPath = LinkAction.WorkingDirectory;
LinkAction.WorkingDirectory = LinkEnvironment.Config.IntermediateDirectory;
// Get link arguments.
LinkAction.CommandArguments = LinkEnvironment.Config.bIsBuildingLibrary ? GetArArguments(LinkEnvironment) : GetLinkArguments(LinkEnvironment, Arch);
// Add the output file as a production of the link action.
FileItem OutputFile;
OutputFile = FileItem.GetItemByPath(LinkEnvironment.Config.OutputFilePaths[OutputPathIndex]);
Outputs.Add(OutputFile);
LinkAction.ProducedItems.Add(OutputFile);
LinkAction.StatusDescription = string.Format("{0}", Path.GetFileName(OutputFile.AbsolutePath));
// LinkAction.bPrintDebugInfo = true;
// Add the output file to the command-line.
if (LinkEnvironment.Config.bIsBuildingLibrary)
{
LinkAction.CommandArguments += string.Format(" \"{0}\"", OutputFile.AbsolutePath);
}
else
{
LinkAction.CommandArguments += string.Format(" -o \"{0}\"", OutputFile.AbsolutePath);
}
// Add the input files to a response file, and pass the response file on the command-line.
List <string> InputFileNames = new List <string>();
foreach (FileItem InputFile in LinkEnvironment.InputFiles)
{
// make sure it's for current Arch
if (Path.GetFileNameWithoutExtension(InputFile.AbsolutePath).EndsWith(Arch + GPUArchitecture))
{
string AbsolutePath = InputFile.AbsolutePath.Replace("\\", "/");
AbsolutePath = AbsolutePath.Replace(LinkEnvironment.Config.IntermediateDirectory.Replace("\\", "/"), "");
AbsolutePath = AbsolutePath.TrimStart(new char[] { '/' });
InputFileNames.Add(string.Format("\"{0}\"", AbsolutePath));
LinkAction.PrerequisiteItems.Add(InputFile);
}
}
string ResponseFileName = GetResponseFileName(LinkEnvironment, OutputFile);
LinkAction.CommandArguments += string.Format(" @\"{0}\"", ResponseFile.Create(ResponseFileName, InputFileNames));
// libs don't link in other libs
if (!LinkEnvironment.Config.bIsBuildingLibrary)
{
// Add the library paths to the argument list.
foreach (string LibraryPath in LinkEnvironment.Config.LibraryPaths)
{
// LinkerPaths could be relative or absolute
string AbsoluteLibraryPath = ActionThread.ExpandEnvironmentVariables(LibraryPath);
if (IsDirectoryForArch(AbsoluteLibraryPath, Arch))
{
// environment variables aren't expanded when using the $( style
if (Path.IsPathRooted(AbsoluteLibraryPath) == false)
{
AbsoluteLibraryPath = Path.Combine(LinkerPath, AbsoluteLibraryPath);
}
LinkAction.CommandArguments += string.Format(" -L\"{0}\"", AbsoluteLibraryPath);
}
}
// add libraries in a library group
LinkAction.CommandArguments += string.Format(" -Wl,--start-group");
foreach (string AdditionalLibrary in LinkEnvironment.Config.AdditionalLibraries)
{
if (!ShouldSkipLib(AdditionalLibrary, Arch, GPUArchitecture))
{
if (String.IsNullOrEmpty(Path.GetDirectoryName(AdditionalLibrary)))
{
LinkAction.CommandArguments += string.Format(" \"-l{0}\"", AdditionalLibrary);
}
else
{
// full pathed libs are compiled by us, so we depend on linking them
LinkAction.CommandArguments += string.Format(" \"{0}\"", Path.GetFullPath(AdditionalLibrary));
LinkAction.PrerequisiteItems.Add(FileItem.GetItemByPath(AdditionalLibrary));
}
}
}
LinkAction.CommandArguments += string.Format(" -Wl,--end-group");
}
// Add the additional arguments specified by the environment.
LinkAction.CommandArguments += LinkEnvironment.Config.AdditionalArguments;
LinkAction.CommandArguments = LinkAction.CommandArguments.Replace("\\", "/");
// Only execute linking on the local PC.
LinkAction.bCanExecuteRemotely = false;
}
}
return(Outputs.ToArray());
}
public override CPPOutput CompileCPPFiles(UEBuildTarget Target, CPPEnvironment CompileEnvironment, List <FileItem> SourceFiles, string ModuleName)
{
if (Arches.Length == 0)
{
throw new BuildException("At least one architecture (armv7, x86, etc) needs to be selected in the project settings to build");
}
if (!bHasPrintedApiLevel)
{
Console.WriteLine("Compiling Native code with NDK API '{0}'", GetNdkApiLevel());
bHasPrintedApiLevel = true;
}
string BaseArguments = "";
if (CompileEnvironment.Config.PrecompiledHeaderAction != PrecompiledHeaderAction.Create)
{
BaseArguments += " -Werror";
}
// Directly added NDK files for NDK extensions
ConditionallyAddNDKSourceFiles(SourceFiles, ModuleName);
// Add preprocessor definitions to the argument list.
foreach (string Definition in CompileEnvironment.Config.Definitions)
{
BaseArguments += string.Format(" -D \"{0}\"", Definition);
}
var BuildPlatform = UEBuildPlatform.GetBuildPlatformForCPPTargetPlatform(CompileEnvironment.Config.Target.Platform);
string BasePCHName = "";
var PCHExtension = UEBuildPlatform.BuildPlatformDictionary[UnrealTargetPlatform.Android].GetBinaryExtension(UEBuildBinaryType.PrecompiledHeader);
if (CompileEnvironment.Config.PrecompiledHeaderAction == PrecompiledHeaderAction.Include)
{
BasePCHName = RemoveArchName(CompileEnvironment.PrecompiledHeaderFile.AbsolutePath).Replace(PCHExtension, "");
}
// Create a compile action for each source file.
CPPOutput Result = new CPPOutput();
foreach (string Arch in Arches)
{
foreach (string GPUArchitecture in GPUArchitectures)
{
// which toolchain to use
string Arguments = GetCLArguments_Global(CompileEnvironment, Arch) + BaseArguments;
if (GPUArchitecture == "-gl4")
{
Arguments += " -DPLATFORM_ANDROIDGL4=1";
}
else if (GPUArchitecture == "-es31")
{
Arguments += " -DPLATFORM_ANDROIDES31=1";
}
// which PCH file to include
string PCHArguments = "";
if (CompileEnvironment.Config.PrecompiledHeaderAction == PrecompiledHeaderAction.Include)
{
// Add the precompiled header file's path to the include path so Clang can find it.
// This needs to be before the other include paths to ensure Clang uses it instead of the source header file.
PCHArguments += string.Format(" -include \"{0}\"", InlineArchName(BasePCHName, Arch, GPUArchitecture));
}
// Add include paths to the argument list (filtered by architecture)
foreach (string IncludePath in CompileEnvironment.Config.CPPIncludeInfo.SystemIncludePaths)
{
if (IsDirectoryForArch(IncludePath, Arch))
{
Arguments += string.Format(" -I\"{0}\"", IncludePath);
}
}
foreach (string IncludePath in CompileEnvironment.Config.CPPIncludeInfo.IncludePaths)
{
if (IsDirectoryForArch(IncludePath, Arch))
{
Arguments += string.Format(" -I\"{0}\"", IncludePath);
}
}
foreach (FileItem SourceFile in SourceFiles)
{
Action CompileAction = new Action(ActionType.Compile);
string FileArguments = "";
bool bIsPlainCFile = Path.GetExtension(SourceFile.AbsolutePath).ToUpperInvariant() == ".C";
// should we disable optimizations on this file?
// @todo android - We wouldn't need this if we could disable optimizations per function (via pragma)
bool bDisableOptimizations = false; // SourceFile.AbsolutePath.ToUpperInvariant().IndexOf("\\SLATE\\") != -1;
if (bDisableOptimizations && CompileEnvironment.Config.Target.Configuration != CPPTargetConfiguration.Debug)
{
Log.TraceWarning("Disabling optimizations on {0}", SourceFile.AbsolutePath);
}
bDisableOptimizations = bDisableOptimizations || CompileEnvironment.Config.Target.Configuration == CPPTargetConfiguration.Debug;
// Add C or C++ specific compiler arguments.
if (CompileEnvironment.Config.PrecompiledHeaderAction == PrecompiledHeaderAction.Create)
{
FileArguments += GetCompileArguments_PCH(bDisableOptimizations);
}
else if (bIsPlainCFile)
{
FileArguments += GetCompileArguments_C(bDisableOptimizations);
}
else
{
FileArguments += GetCompileArguments_CPP(bDisableOptimizations);
// only use PCH for .cpp files
FileArguments += PCHArguments;
}
// Add the C++ source file and its included files to the prerequisite item list.
AddPrerequisiteSourceFile(Target, BuildPlatform, CompileEnvironment, SourceFile, CompileAction.PrerequisiteItems);
if (CompileEnvironment.Config.PrecompiledHeaderAction == PrecompiledHeaderAction.Create)
{
// Add the precompiled header file to the produced item list.
FileItem PrecompiledHeaderFile = FileItem.GetItemByPath(
Path.Combine(
CompileEnvironment.Config.OutputDirectory,
Path.GetFileName(InlineArchName(SourceFile.AbsolutePath, Arch, GPUArchitecture) + PCHExtension)
)
);
CompileAction.ProducedItems.Add(PrecompiledHeaderFile);
Result.PrecompiledHeaderFile = PrecompiledHeaderFile;
// Add the parameters needed to compile the precompiled header file to the command-line.
FileArguments += string.Format(" -o \"{0}\"", PrecompiledHeaderFile.AbsolutePath, false);
}
else
{
if (CompileEnvironment.Config.PrecompiledHeaderAction == PrecompiledHeaderAction.Include)
{
CompileAction.bIsUsingPCH = true;
FileItem ArchPrecompiledHeaderFile = FileItem.GetItemByPath(InlineArchName(BasePCHName, Arch, GPUArchitecture) + PCHExtension);
CompileAction.PrerequisiteItems.Add(ArchPrecompiledHeaderFile);
}
var ObjectFileExtension = UEBuildPlatform.BuildPlatformDictionary[UnrealTargetPlatform.Android].GetBinaryExtension(UEBuildBinaryType.Object);
// Add the object file to the produced item list.
FileItem ObjectFile = FileItem.GetItemByPath(
InlineArchName(Path.Combine(
CompileEnvironment.Config.OutputDirectory,
Path.GetFileName(SourceFile.AbsolutePath) + ObjectFileExtension), Arch, GPUArchitecture
)
);
CompileAction.ProducedItems.Add(ObjectFile);
Result.ObjectFiles.Add(ObjectFile);
FileArguments += string.Format(" -o \"{0}\"", ObjectFile.AbsolutePath, false);
}
// Add the source file path to the command-line.
FileArguments += string.Format(" \"{0}\"", SourceFile.AbsolutePath);
// Build a full argument list
string AllArguments = Arguments + FileArguments + CompileEnvironment.Config.AdditionalArguments;
AllArguments = ActionThread.ExpandEnvironmentVariables(AllArguments);
AllArguments = AllArguments.Replace("\\", "/");
// Create the response file
string ResponseFileName = CompileAction.ProducedItems[0].AbsolutePath + ".response";
string ResponseArgument = string.Format("@\"{0}\"", ResponseFile.Create(ResponseFileName, new List <string> {
AllArguments
}));
CompileAction.WorkingDirectory = Path.GetFullPath(".");
CompileAction.CommandPath = ClangPath;
CompileAction.CommandArguments = ResponseArgument;
CompileAction.StatusDescription = string.Format("{0} [{1}-{2}]", Path.GetFileName(SourceFile.AbsolutePath), Arch.Replace("-", ""), GPUArchitecture.Replace("-", ""));
CompileAction.OutputEventHandler = new DataReceivedEventHandler(CompileOutputReceivedDataEventHandler);
// VC++ always outputs the source file name being compiled, so we don't need to emit this ourselves
CompileAction.bShouldOutputStatusDescription = true;
// Don't farm out creation of pre-compiled headers as it is the critical path task.
CompileAction.bCanExecuteRemotely =
CompileEnvironment.Config.PrecompiledHeaderAction != PrecompiledHeaderAction.Create ||
BuildConfiguration.bAllowRemotelyCompiledPCHs;
}
}
}
return(Result);
}
public override FileItem LinkFiles(LinkEnvironment LinkEnvironment, bool bBuildImportLibraryOnly)
{
Debug.Assert(!bBuildImportLibraryOnly);
List <string> RPaths = new List <string>();
if (LinkEnvironment.Config.bIsBuildingLibrary || bBuildImportLibraryOnly)
{
return(CreateArchiveAndIndex(LinkEnvironment));
}
// Create an action that invokes the linker.
Action LinkAction = new Action(ActionType.Link);
LinkAction.WorkingDirectory = Path.GetFullPath(".");
if (String.IsNullOrEmpty(ClangPath))
{
LinkAction.CommandPath = GCCPath;
}
else
{
LinkAction.CommandPath = ClangPath;
}
// Get link arguments.
LinkAction.CommandArguments = GetLinkArguments(LinkEnvironment);
// Tell the action that we're building an import library here and it should conditionally be
// ignored as a prerequisite for other actions
LinkAction.bProducesImportLibrary = LinkEnvironment.Config.bIsBuildingDLL;
// Add the output file as a production of the link action.
FileItem OutputFile = FileItem.GetItemByPath(LinkEnvironment.Config.OutputFilePath);
LinkAction.ProducedItems.Add(OutputFile);
LinkAction.CommandDescription = "Link";
LinkAction.StatusDescription = Path.GetFileName(OutputFile.AbsolutePath);
// Add the output file to the command-line.
LinkAction.CommandArguments += string.Format(" -o \"{0}\"", OutputFile.AbsolutePath);
// Add the input files to a response file, and pass the response file on the command-line.
List <string> InputFileNames = new List <string>();
foreach (FileItem InputFile in LinkEnvironment.InputFiles)
{
InputFileNames.Add(string.Format("\"{0}\"", InputFile.AbsolutePath.Replace("\\", "/")));
LinkAction.PrerequisiteItems.Add(InputFile);
}
string ResponseFileName = GetResponseFileName(LinkEnvironment, OutputFile);
LinkAction.CommandArguments += string.Format(" -Wl,@\"{0}\"", ResponseFile.Create(ResponseFileName, InputFileNames));
if (LinkEnvironment.Config.bIsBuildingDLL)
{
LinkAction.CommandArguments += string.Format(" -Wl,-soname={0}", OutputFile);
}
// Start with the configured LibraryPaths and also add paths to any libraries that
// we depend on (libraries that we've build ourselves).
List <string> AllLibraryPaths = LinkEnvironment.Config.LibraryPaths;
foreach (string AdditionalLibrary in LinkEnvironment.Config.AdditionalLibraries)
{
string PathToLib = Path.GetDirectoryName(AdditionalLibrary);
if (!String.IsNullOrEmpty(PathToLib))
{
// make path absolute, because FixDependencies script may be executed in a different directory
string AbsolutePathToLib = Path.GetFullPath(PathToLib);
if (!AllLibraryPaths.Contains(AbsolutePathToLib))
{
AllLibraryPaths.Add(AbsolutePathToLib);
}
}
if ((AdditionalLibrary.Contains("Plugins") || AdditionalLibrary.Contains("Binaries/ThirdParty") || AdditionalLibrary.Contains("Binaries\\ThirdParty")) && Path.GetDirectoryName(AdditionalLibrary) != Path.GetDirectoryName(OutputFile.AbsolutePath))
{
string RelativePath = Utils.MakePathRelativeTo(Path.GetDirectoryName(AdditionalLibrary), Path.GetDirectoryName(OutputFile.AbsolutePath));
if (!RPaths.Contains(RelativePath))
{
RPaths.Add(RelativePath);
LinkAction.CommandArguments += string.Format(" -Wl,-rpath=\"${{ORIGIN}}/{0}\"", RelativePath);
}
}
}
LinkAction.CommandArguments += string.Format(" -Wl,-rpath-link=\"{0}\"", Path.GetDirectoryName(OutputFile.AbsolutePath));
// Add the library paths to the argument list.
foreach (string LibraryPath in AllLibraryPaths)
{
// use absolute paths because of FixDependencies script again
LinkAction.CommandArguments += string.Format(" -L\"{0}\"", Path.GetFullPath(LibraryPath));
}
// add libraries in a library group
LinkAction.CommandArguments += string.Format(" -Wl,--start-group");
List <string> EngineAndGameLibraries = new List <string>();
foreach (string AdditionalLibrary in LinkEnvironment.Config.AdditionalLibraries)
{
if (String.IsNullOrEmpty(Path.GetDirectoryName(AdditionalLibrary)))
{
// library was passed just like "jemalloc", turn it into -ljemalloc
LinkAction.CommandArguments += string.Format(" -l{0}", AdditionalLibrary);
}
else if (Path.GetExtension(AdditionalLibrary) == ".a")
{
// static library passed in, pass it along but make path absolute, because FixDependencies script may be executed in a different directory
string AbsoluteAdditionalLibrary = Path.GetFullPath(AdditionalLibrary);
LinkAction.CommandArguments += (" " + AbsoluteAdditionalLibrary);
LinkAction.PrerequisiteItems.Add(FileItem.GetItemByPath(AdditionalLibrary));
}
else
{
// Skip over full-pathed library dependencies when building DLLs to avoid circular
// dependencies.
FileItem LibraryDependency = FileItem.GetItemByPath(AdditionalLibrary);
var LibName = Path.GetFileNameWithoutExtension(AdditionalLibrary);
if (LibName.StartsWith("lib"))
{
// Remove lib prefix
LibName = LibName.Remove(0, 3);
}
string LibLinkFlag = string.Format(" -l{0}", LibName);
if (LinkEnvironment.Config.bIsBuildingDLL && LinkEnvironment.Config.bIsCrossReferenced)
{
// We are building a cross referenced DLL so we can't actually include
// dependencies at this point. Instead we add it to the list of
// libraries to be used in the FixDependencies step.
EngineAndGameLibraries.Add(LibLinkFlag);
if (!LinkAction.CommandArguments.Contains("--allow-shlib-undefined"))
{
LinkAction.CommandArguments += string.Format(" -Wl,--allow-shlib-undefined");
}
}
else
{
LinkAction.PrerequisiteItems.Add(LibraryDependency);
LinkAction.CommandArguments += LibLinkFlag;
}
}
}
LinkAction.CommandArguments += " -lrt"; // needed for clock_gettime()
LinkAction.CommandArguments += " -lm"; // math
LinkAction.CommandArguments += string.Format(" -Wl,--end-group");
// Add the additional arguments specified by the environment.
LinkAction.CommandArguments += LinkEnvironment.Config.AdditionalArguments;
LinkAction.CommandArguments = LinkAction.CommandArguments.Replace("\\\\", "/");
LinkAction.CommandArguments = LinkAction.CommandArguments.Replace("\\", "/");
// prepare a linker script
string LinkerScriptPath = Path.Combine(LinkEnvironment.Config.LocalShadowDirectory, "remove-sym.ldscript");
if (!Directory.Exists(LinkEnvironment.Config.LocalShadowDirectory))
{
Directory.CreateDirectory(LinkEnvironment.Config.LocalShadowDirectory);
}
if (File.Exists(LinkerScriptPath))
{
File.Delete(LinkerScriptPath);
}
using (StreamWriter Writer = File.CreateText(LinkerScriptPath))
{
Writer.WriteLine("UE4 {");
Writer.WriteLine(" global: *;");
Writer.WriteLine(" local: _Znwm;");
Writer.WriteLine(" _Znam;");
Writer.WriteLine(" _ZdaPv;");
Writer.WriteLine(" _ZdlPv;");
Writer.WriteLine("};");
};
LinkAction.CommandArguments += string.Format(" -Wl,--version-script=\"{0}\"", LinkerScriptPath);
// Only execute linking on the local PC.
LinkAction.bCanExecuteRemotely = false;
// Prepare a script that will run later, once all shared libraries and the executable
// are created. This script will be called by action created in FixDependencies()
if (LinkEnvironment.Config.bIsCrossReferenced && LinkEnvironment.Config.bIsBuildingDLL)
{
bool bUseCmdExe = BuildHostPlatform.Current.Platform == UnrealTargetPlatform.Win64 || BuildHostPlatform.Current.Platform == UnrealTargetPlatform.Win32;
string ScriptName = bUseCmdExe ? "FixDependencies.bat" : "FixDependencies.sh";
string FixDepsScriptPath = Path.Combine(LinkEnvironment.Config.LocalShadowDirectory, ScriptName);
if (!bHasWipedFixDepsScript)
{
bHasWipedFixDepsScript = true;
Log.TraceVerbose("Creating script: {0}", FixDepsScriptPath);
StreamWriter Writer = File.CreateText(FixDepsScriptPath);
if (bUseCmdExe)
{
Writer.Write("@echo off\n");
Writer.Write("rem Automatically generated by UnrealBuildTool\n");
Writer.Write("rem *DO NOT EDIT*\n\n");
}
else
{
Writer.Write("#!/bin/sh\n");
Writer.Write("# Automatically generated by UnrealBuildTool\n");
Writer.Write("# *DO NOT EDIT*\n\n");
Writer.Write("set -o errexit\n");
}
Writer.Close();
}
StreamWriter FixDepsScript = File.AppendText(FixDepsScriptPath);
string EngineAndGameLibrariesString = "";
foreach (string Library in EngineAndGameLibraries)
{
EngineAndGameLibrariesString += Library;
}
FixDepsScript.Write(string.Format("echo Fixing {0}\n", Path.GetFileName(OutputFile.AbsolutePath)));
if (!bUseCmdExe)
{
FixDepsScript.Write(string.Format("TIMESTAMP=`stat --format %y \"{0}\"`\n", OutputFile.AbsolutePath));
}
string FixDepsLine = LinkAction.CommandPath + " " + LinkAction.CommandArguments;
string Replace = "-Wl,--allow-shlib-undefined";
FixDepsLine = FixDepsLine.Replace(Replace, EngineAndGameLibrariesString);
string OutputFileForwardSlashes = OutputFile.AbsolutePath.Replace("\\", "/");
FixDepsLine = FixDepsLine.Replace(OutputFileForwardSlashes, OutputFileForwardSlashes + ".fixed");
FixDepsLine = FixDepsLine.Replace("$", "\\$");
FixDepsScript.Write(FixDepsLine + "\n");
if (bUseCmdExe)
{
FixDepsScript.Write(string.Format("move /Y \"{0}.fixed\" \"{0}\"\n", OutputFile.AbsolutePath));
}
else
{
FixDepsScript.Write(string.Format("mv \"{0}.fixed\" \"{0}\"\n", OutputFile.AbsolutePath));
FixDepsScript.Write(string.Format("touch -d \"$TIMESTAMP\" \"{0}\"\n\n", OutputFile.AbsolutePath));
}
FixDepsScript.Close();
}
//LinkAction.CommandArguments += " -v";
return(OutputFile);
}
public override FileItem LinkFiles(LinkEnvironment LinkEnvironment, bool bBuildImportLibraryOnly)
{
var EnvVars = VCEnvironment.SetEnvironment(LinkEnvironment.Config.Target.Platform);
if (LinkEnvironment.Config.bIsBuildingDotNetAssembly)
{
return(FileItem.GetItemByPath(LinkEnvironment.Config.OutputFilePath));
}
bool bIsBuildingLibrary = LinkEnvironment.Config.bIsBuildingLibrary || bBuildImportLibraryOnly;
bool bIncludeDependentLibrariesInLibrary = bIsBuildingLibrary && LinkEnvironment.Config.bIncludeDependentLibrariesInLibrary;
// Get link arguments.
StringBuilder Arguments = new StringBuilder();
if (bIsBuildingLibrary)
{
AppendLibArguments(LinkEnvironment, Arguments);
}
else
{
AppendLinkArguments(LinkEnvironment, Arguments);
}
// If we're only building an import library, add the '/DEF' option that tells the LIB utility
// to simply create a .LIB file and .EXP file, and don't bother validating imports
if (bBuildImportLibraryOnly)
{
Arguments.Append(" /DEF");
// Ensure that the import library references the correct filename for the linked binary.
Arguments.AppendFormat(" /NAME:\"{0}\"", Path.GetFileName(LinkEnvironment.Config.OutputFilePath));
}
// Add delay loaded DLLs.
if (!bIsBuildingLibrary)
{
// Delay-load these DLLs.
foreach (string DelayLoadDLL in LinkEnvironment.Config.DelayLoadDLLs)
{
Arguments.AppendFormat(" /DELAYLOAD:\"{0}\"", DelayLoadDLL);
}
}
// @todo UE4 DLL: Why do I need LIBPATHs to build only export libraries with /DEF? (tbbmalloc.lib)
if (!LinkEnvironment.Config.bIsBuildingLibrary || (LinkEnvironment.Config.bIsBuildingLibrary && bIncludeDependentLibrariesInLibrary))
{
// Add the library paths to the argument list.
foreach (string LibraryPath in LinkEnvironment.Config.LibraryPaths)
{
Arguments.AppendFormat(" /LIBPATH:\"{0}\"", LibraryPath);
}
// Add the excluded default libraries to the argument list.
foreach (string ExcludedLibrary in LinkEnvironment.Config.ExcludedLibraries)
{
Arguments.AppendFormat(" /NODEFAULTLIB:\"{0}\"", ExcludedLibrary);
}
}
// For targets that are cross-referenced, we don't want to write a LIB file during the link step as that
// file will clobber the import library we went out of our way to generate during an earlier step. This
// file is not needed for our builds, but there is no way to prevent MSVC from generating it when
// linking targets that have exports. We don't want this to clobber our LIB file and invalidate the
// existing timstamp, so instead we simply emit it with a different name
string ImportLibraryFilePath = Path.Combine(LinkEnvironment.Config.IntermediateDirectory,
Path.GetFileNameWithoutExtension(LinkEnvironment.Config.OutputFilePath) + ".lib");
if (LinkEnvironment.Config.bIsCrossReferenced && !bBuildImportLibraryOnly)
{
ImportLibraryFilePath += ".suppressed";
}
FileItem OutputFile;
if (bBuildImportLibraryOnly)
{
OutputFile = FileItem.GetItemByPath(ImportLibraryFilePath);
}
else
{
OutputFile = FileItem.GetItemByPath(LinkEnvironment.Config.OutputFilePath);
OutputFile.bNeedsHotReloadNumbersDLLCleanUp = LinkEnvironment.Config.bIsBuildingDLL;
}
List <FileItem> ProducedItems = new List <FileItem>();
ProducedItems.Add(OutputFile);
List <FileItem> PrerequisiteItems = new List <FileItem>();
// Add the input files to a response file, and pass the response file on the command-line.
List <string> InputFileNames = new List <string>();
foreach (FileItem InputFile in LinkEnvironment.InputFiles)
{
InputFileNames.Add(string.Format("\"{0}\"", InputFile.AbsolutePath));
PrerequisiteItems.Add(InputFile);
}
if (!bBuildImportLibraryOnly)
{
// Add input libraries as prerequisites, too!
foreach (FileItem InputLibrary in LinkEnvironment.InputLibraries)
{
InputFileNames.Add(string.Format("\"{0}\"", InputLibrary.AbsolutePath));
PrerequisiteItems.Add(InputLibrary);
}
}
if (!bIsBuildingLibrary || (LinkEnvironment.Config.bIsBuildingLibrary && bIncludeDependentLibrariesInLibrary))
{
foreach (string AdditionalLibrary in LinkEnvironment.Config.AdditionalLibraries)
{
InputFileNames.Add(string.Format("\"{0}\"", AdditionalLibrary));
// If the library file name has a relative path attached (rather than relying on additional
// lib directories), then we'll add it to our prerequisites list. This will allow UBT to detect
// when the binary needs to be relinked because a dependent external library has changed.
//if( !String.IsNullOrEmpty( Path.GetDirectoryName( AdditionalLibrary ) ) )
{
PrerequisiteItems.Add(FileItem.GetItemByPath(AdditionalLibrary));
}
}
}
// Create a response file for the linker
string ResponseFileName = GetResponseFileName(LinkEnvironment, OutputFile);
// Never create response files when we are only generating IntelliSense data
if (!ProjectFileGenerator.bGenerateProjectFiles)
{
ResponseFile.Create(ResponseFileName, InputFileNames);
}
Arguments.AppendFormat(" @\"{0}\"", ResponseFileName);
// Add the output file to the command-line.
Arguments.AppendFormat(" /OUT:\"{0}\"", OutputFile.AbsolutePath);
if (bBuildImportLibraryOnly || (LinkEnvironment.Config.bHasExports && !bIsBuildingLibrary))
{
// An export file is written to the output directory implicitly; add it to the produced items list.
string ExportFilePath = Path.ChangeExtension(ImportLibraryFilePath, ".exp");
FileItem ExportFile = FileItem.GetItemByPath(ExportFilePath);
ProducedItems.Add(ExportFile);
}
if (!bIsBuildingLibrary)
{
// Xbox 360 LTCG does not seem to produce those.
if (LinkEnvironment.Config.bHasExports &&
(LinkEnvironment.Config.Target.Configuration != CPPTargetConfiguration.Shipping))
{
// Write the import library to the output directory for nFringe support.
FileItem ImportLibraryFile = FileItem.GetItemByPath(ImportLibraryFilePath);
Arguments.AppendFormat(" /IMPLIB:\"{0}\"", ImportLibraryFilePath);
ProducedItems.Add(ImportLibraryFile);
}
if (LinkEnvironment.Config.bCreateDebugInfo)
{
// Write the PDB file to the output directory.
string PDBFilePath = Path.Combine(LinkEnvironment.Config.OutputDirectory, Path.GetFileNameWithoutExtension(OutputFile.AbsolutePath) + ".pdb");
FileItem PDBFile = FileItem.GetItemByPath(PDBFilePath);
Arguments.AppendFormat(" /PDB:\"{0}\"", PDBFilePath);
ProducedItems.Add(PDBFile);
// Write the MAP file to the output directory.
#if false
if (true)
{
string MAPFilePath = Path.Combine(LinkEnvironment.Config.OutputDirectory, Path.GetFileNameWithoutExtension(OutputFile.AbsolutePath) + ".map");
FileItem MAPFile = FileItem.GetItemByPath(MAPFilePath);
LinkAction.CommandArguments += string.Format(" /MAP:\"{0}\"", MAPFilePath);
LinkAction.ProducedItems.Add(MAPFile);
}
#endif
}
// Add the additional arguments specified by the environment.
Arguments.Append(LinkEnvironment.Config.AdditionalArguments);
}
// Create an action that invokes the linker.
Action LinkAction = new Action(ActionType.Link);
LinkAction.CommandDescription = "Link";
LinkAction.WorkingDirectory = Path.GetFullPath(".");
LinkAction.CommandPath = bIsBuildingLibrary ? EnvVars.LibraryLinkerPath : EnvVars.LinkerPath;
LinkAction.CommandArguments = Arguments.ToString();
LinkAction.ProducedItems.AddRange(ProducedItems);
LinkAction.PrerequisiteItems.AddRange(PrerequisiteItems);
LinkAction.StatusDescription = Path.GetFileName(OutputFile.AbsolutePath);
// Tell the action that we're building an import library here and it should conditionally be
// ignored as a prerequisite for other actions
LinkAction.bProducesImportLibrary = bBuildImportLibraryOnly || LinkEnvironment.Config.bIsBuildingDLL;
// Only execute linking on the local PC.
LinkAction.bCanExecuteRemotely = false;
Log.TraceVerbose(" Linking: " + LinkAction.StatusDescription);
Log.TraceVerbose(" Command: " + LinkAction.CommandArguments);
return(OutputFile);
}
