438 lines
16 KiB
C++
438 lines
16 KiB
C++
/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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file Copyright.txt or https://cmake.org/licensing for details. */
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#include "cmMakefileExecutableTargetGenerator.h"
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#include "cmGeneratedFileStream.h"
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#include "cmGeneratorTarget.h"
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#include "cmGlobalUnixMakefileGenerator3.h"
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#include "cmLocalGenerator.h"
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#include "cmLocalUnixMakefileGenerator3.h"
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#include "cmMakefile.h"
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#include "cmOSXBundleGenerator.h"
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#include "cmOutputConverter.h"
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#include "cmSystemTools.h"
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#include "cmake.h"
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#include <sstream>
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#include <string>
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#include <vector>
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cmMakefileExecutableTargetGenerator::cmMakefileExecutableTargetGenerator(
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cmGeneratorTarget* target)
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: cmMakefileTargetGenerator(target)
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{
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this->CustomCommandDriver = OnDepends;
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this->GeneratorTarget->GetExecutableNames(
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this->TargetNameOut, this->TargetNameReal, this->TargetNameImport,
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this->TargetNamePDB, this->ConfigName);
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this->OSXBundleGenerator =
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new cmOSXBundleGenerator(target, this->ConfigName);
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this->OSXBundleGenerator->SetMacContentFolders(&this->MacContentFolders);
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}
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cmMakefileExecutableTargetGenerator::~cmMakefileExecutableTargetGenerator()
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{
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delete this->OSXBundleGenerator;
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}
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void cmMakefileExecutableTargetGenerator::WriteRuleFiles()
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{
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// create the build.make file and directory, put in the common blocks
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this->CreateRuleFile();
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// write rules used to help build object files
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this->WriteCommonCodeRules();
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// write the per-target per-language flags
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this->WriteTargetLanguageFlags();
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// write in rules for object files and custom commands
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this->WriteTargetBuildRules();
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// write the link rules
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this->WriteExecutableRule(false);
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if (this->GeneratorTarget->NeedRelinkBeforeInstall(this->ConfigName)) {
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// Write rules to link an installable version of the target.
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this->WriteExecutableRule(true);
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}
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// Write the requires target.
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this->WriteTargetRequiresRules();
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// Write clean target
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this->WriteTargetCleanRules();
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// Write the dependency generation rule. This must be done last so
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// that multiple output pair information is available.
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this->WriteTargetDependRules();
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// close the streams
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this->CloseFileStreams();
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}
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void cmMakefileExecutableTargetGenerator::WriteExecutableRule(bool relink)
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{
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std::vector<std::string> commands;
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// Build list of dependencies.
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std::vector<std::string> depends;
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this->AppendLinkDepends(depends);
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// Get the name of the executable to generate.
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std::string targetName;
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std::string targetNameReal;
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std::string targetNameImport;
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std::string targetNamePDB;
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this->GeneratorTarget->GetExecutableNames(targetName, targetNameReal,
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targetNameImport, targetNamePDB,
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this->ConfigName);
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// Construct the full path version of the names.
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std::string outpath = this->GeneratorTarget->GetDirectory(this->ConfigName);
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if (this->GeneratorTarget->IsAppBundleOnApple()) {
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this->OSXBundleGenerator->CreateAppBundle(targetName, outpath);
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}
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outpath += "/";
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std::string outpathImp;
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if (relink) {
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outpath = this->Makefile->GetCurrentBinaryDirectory();
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outpath += cmake::GetCMakeFilesDirectory();
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outpath += "/CMakeRelink.dir";
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cmSystemTools::MakeDirectory(outpath.c_str());
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outpath += "/";
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if (!targetNameImport.empty()) {
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outpathImp = outpath;
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}
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} else {
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cmSystemTools::MakeDirectory(outpath.c_str());
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if (!targetNameImport.empty()) {
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outpathImp = this->GeneratorTarget->GetDirectory(this->ConfigName, true);
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cmSystemTools::MakeDirectory(outpathImp.c_str());
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outpathImp += "/";
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}
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}
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std::string compilePdbOutputPath =
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this->GeneratorTarget->GetCompilePDBDirectory(this->ConfigName);
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cmSystemTools::MakeDirectory(compilePdbOutputPath.c_str());
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std::string pdbOutputPath =
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this->GeneratorTarget->GetPDBDirectory(this->ConfigName);
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cmSystemTools::MakeDirectory(pdbOutputPath.c_str());
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pdbOutputPath += "/";
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std::string targetFullPath = outpath + targetName;
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std::string targetFullPathReal = outpath + targetNameReal;
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std::string targetFullPathPDB = pdbOutputPath + targetNamePDB;
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std::string targetFullPathImport = outpathImp + targetNameImport;
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std::string targetOutPathPDB = this->LocalGenerator->ConvertToOutputFormat(
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targetFullPathPDB, cmOutputConverter::SHELL);
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// Convert to the output path to use in constructing commands.
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std::string targetOutPath = this->LocalGenerator->ConvertToOutputFormat(
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this->LocalGenerator->ConvertToRelativePath(
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this->LocalGenerator->GetCurrentBinaryDirectory(), targetFullPath),
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cmOutputConverter::SHELL);
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std::string targetOutPathReal = this->LocalGenerator->ConvertToOutputFormat(
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this->LocalGenerator->ConvertToRelativePath(
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this->LocalGenerator->GetCurrentBinaryDirectory(), targetFullPathReal),
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cmOutputConverter::SHELL);
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std::string targetOutPathImport =
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this->LocalGenerator->ConvertToOutputFormat(
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this->LocalGenerator->ConvertToRelativePath(
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this->LocalGenerator->GetCurrentBinaryDirectory(),
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targetFullPathImport),
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cmOutputConverter::SHELL);
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// Get the language to use for linking this executable.
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std::string linkLanguage =
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this->GeneratorTarget->GetLinkerLanguage(this->ConfigName);
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// Make sure we have a link language.
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if (linkLanguage.empty()) {
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cmSystemTools::Error("Cannot determine link language for target \"",
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this->GeneratorTarget->GetName().c_str(), "\".");
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return;
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}
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this->NumberOfProgressActions++;
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if (!this->NoRuleMessages) {
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cmLocalUnixMakefileGenerator3::EchoProgress progress;
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this->MakeEchoProgress(progress);
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// Add the link message.
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std::string buildEcho = "Linking ";
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buildEcho += linkLanguage;
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buildEcho += " executable ";
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buildEcho += targetOutPath;
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this->LocalGenerator->AppendEcho(
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commands, buildEcho, cmLocalUnixMakefileGenerator3::EchoLink, &progress);
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}
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// Build a list of compiler flags and linker flags.
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std::string flags;
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std::string linkFlags;
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// Add flags to create an executable.
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this->LocalGenerator->AddConfigVariableFlags(
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linkFlags, "CMAKE_EXE_LINKER_FLAGS", this->ConfigName);
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if (this->GeneratorTarget->GetPropertyAsBool("WIN32_EXECUTABLE")) {
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this->LocalGenerator->AppendFlags(
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linkFlags, this->Makefile->GetDefinition("CMAKE_CREATE_WIN32_EXE"));
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} else {
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this->LocalGenerator->AppendFlags(
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linkFlags, this->Makefile->GetDefinition("CMAKE_CREATE_CONSOLE_EXE"));
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}
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// Add symbol export flags if necessary.
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if (this->GeneratorTarget->IsExecutableWithExports()) {
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std::string export_flag_var = "CMAKE_EXE_EXPORTS_";
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export_flag_var += linkLanguage;
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export_flag_var += "_FLAG";
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this->LocalGenerator->AppendFlags(
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linkFlags, this->Makefile->GetDefinition(export_flag_var));
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}
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if (this->GeneratorTarget->GetPropertyAsBool("LINK_WHAT_YOU_USE")) {
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this->LocalGenerator->AppendFlags(linkFlags, " -Wl,--no-as-needed");
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}
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// Add language feature flags.
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this->AddFeatureFlags(flags, linkLanguage);
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this->LocalGenerator->AddArchitectureFlags(flags, this->GeneratorTarget,
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linkLanguage, this->ConfigName);
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// Add target-specific linker flags.
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this->LocalGenerator->AppendFlags(
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linkFlags, this->GeneratorTarget->GetProperty("LINK_FLAGS"));
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std::string linkFlagsConfig = "LINK_FLAGS_";
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linkFlagsConfig += cmSystemTools::UpperCase(this->ConfigName);
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this->LocalGenerator->AppendFlags(
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linkFlags, this->GeneratorTarget->GetProperty(linkFlagsConfig));
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this->AddModuleDefinitionFlag(linkFlags);
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// Construct a list of files associated with this executable that
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// may need to be cleaned.
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std::vector<std::string> exeCleanFiles;
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exeCleanFiles.push_back(this->LocalGenerator->ConvertToRelativePath(
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this->LocalGenerator->GetCurrentBinaryDirectory(), targetFullPath));
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#ifdef _WIN32
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// There may be a manifest file for this target. Add it to the
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// clean set just in case.
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exeCleanFiles.push_back(this->LocalGenerator->ConvertToRelativePath(
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this->LocalGenerator->GetCurrentBinaryDirectory(),
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(targetFullPath + ".manifest").c_str()));
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#endif
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if (targetNameReal != targetName) {
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exeCleanFiles.push_back(this->LocalGenerator->ConvertToRelativePath(
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this->LocalGenerator->GetCurrentBinaryDirectory(), targetFullPathReal));
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}
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if (!targetNameImport.empty()) {
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exeCleanFiles.push_back(this->LocalGenerator->ConvertToRelativePath(
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this->LocalGenerator->GetCurrentBinaryDirectory(),
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targetFullPathImport));
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std::string implib;
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if (this->GeneratorTarget->GetImplibGNUtoMS(targetFullPathImport,
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implib)) {
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exeCleanFiles.push_back(this->LocalGenerator->ConvertToRelativePath(
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this->LocalGenerator->GetCurrentBinaryDirectory(), implib));
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}
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}
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// List the PDB for cleaning only when the whole target is
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// cleaned. We do not want to delete the .pdb file just before
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// linking the target.
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this->CleanFiles.push_back(this->LocalGenerator->ConvertToRelativePath(
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this->LocalGenerator->GetCurrentBinaryDirectory(), targetFullPathPDB));
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// Add the pre-build and pre-link rules building but not when relinking.
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if (!relink) {
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this->LocalGenerator->AppendCustomCommands(
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commands, this->GeneratorTarget->GetPreBuildCommands(),
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this->GeneratorTarget, this->LocalGenerator->GetBinaryDirectory());
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this->LocalGenerator->AppendCustomCommands(
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commands, this->GeneratorTarget->GetPreLinkCommands(),
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this->GeneratorTarget, this->LocalGenerator->GetBinaryDirectory());
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}
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// Determine whether a link script will be used.
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bool useLinkScript = this->GlobalGenerator->GetUseLinkScript();
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// Construct the main link rule.
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std::vector<std::string> real_link_commands;
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std::string linkRuleVar = "CMAKE_";
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linkRuleVar += linkLanguage;
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linkRuleVar += "_LINK_EXECUTABLE";
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std::string linkRule = this->GetLinkRule(linkRuleVar);
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std::vector<std::string> commands1;
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cmSystemTools::ExpandListArgument(linkRule, real_link_commands);
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if (this->GeneratorTarget->IsExecutableWithExports()) {
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// If a separate rule for creating an import library is specified
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// add it now.
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std::string implibRuleVar = "CMAKE_";
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implibRuleVar += linkLanguage;
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implibRuleVar += "_CREATE_IMPORT_LIBRARY";
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if (const char* rule = this->Makefile->GetDefinition(implibRuleVar)) {
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cmSystemTools::ExpandListArgument(rule, real_link_commands);
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}
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}
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bool useResponseFileForObjects =
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this->CheckUseResponseFileForObjects(linkLanguage);
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bool const useResponseFileForLibs =
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this->CheckUseResponseFileForLibraries(linkLanguage);
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// Expand the rule variables.
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{
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bool useWatcomQuote =
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this->Makefile->IsOn(linkRuleVar + "_USE_WATCOM_QUOTE");
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// Set path conversion for link script shells.
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this->LocalGenerator->SetLinkScriptShell(useLinkScript);
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// Collect up flags to link in needed libraries.
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std::string linkLibs;
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this->CreateLinkLibs(linkLibs, relink, useResponseFileForLibs, depends,
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useWatcomQuote);
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// Construct object file lists that may be needed to expand the
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// rule.
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std::string buildObjs;
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this->CreateObjectLists(useLinkScript, false, useResponseFileForObjects,
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buildObjs, depends, useWatcomQuote);
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// maybe create .def file from list of objects
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if (this->GeneratorTarget->IsExecutableWithExports() &&
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this->Makefile->IsOn("CMAKE_SUPPORT_WINDOWS_EXPORT_ALL_SYMBOLS")) {
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this->GenDefFile(real_link_commands, linkFlags);
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}
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std::string manifests = this->GetManifests();
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cmLocalGenerator::RuleVariables vars;
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vars.RuleLauncher = "RULE_LAUNCH_LINK";
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vars.CMTarget = this->GeneratorTarget;
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vars.Language = linkLanguage.c_str();
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vars.Objects = buildObjs.c_str();
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std::string objectDir = this->GeneratorTarget->GetSupportDirectory();
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objectDir = this->LocalGenerator->ConvertToOutputFormat(
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this->LocalGenerator->ConvertToRelativePath(
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this->LocalGenerator->GetCurrentBinaryDirectory(), objectDir),
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cmOutputConverter::SHELL);
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vars.ObjectDir = objectDir.c_str();
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cmOutputConverter::OutputFormat output = (useWatcomQuote)
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? cmOutputConverter::WATCOMQUOTE
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: cmOutputConverter::SHELL;
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std::string target = this->LocalGenerator->ConvertToOutputFormat(
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this->LocalGenerator->ConvertToRelativePath(
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this->LocalGenerator->GetCurrentBinaryDirectory(), targetFullPathReal),
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output);
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vars.Target = target.c_str();
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vars.TargetPDB = targetOutPathPDB.c_str();
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// Setup the target version.
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std::string targetVersionMajor;
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std::string targetVersionMinor;
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{
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std::ostringstream majorStream;
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std::ostringstream minorStream;
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int major;
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int minor;
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this->GeneratorTarget->GetTargetVersion(major, minor);
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majorStream << major;
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minorStream << minor;
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targetVersionMajor = majorStream.str();
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targetVersionMinor = minorStream.str();
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}
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vars.TargetVersionMajor = targetVersionMajor.c_str();
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vars.TargetVersionMinor = targetVersionMinor.c_str();
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vars.LinkLibraries = linkLibs.c_str();
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vars.Flags = flags.c_str();
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vars.LinkFlags = linkFlags.c_str();
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vars.Manifests = manifests.c_str();
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if (this->GeneratorTarget->GetPropertyAsBool("LINK_WHAT_YOU_USE")) {
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std::string cmakeCommand = this->LocalGenerator->ConvertToOutputFormat(
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cmSystemTools::GetCMakeCommand(), cmLocalGenerator::SHELL);
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cmakeCommand += " -E __run_iwyu --lwyu=";
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cmakeCommand += targetOutPathReal;
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real_link_commands.push_back(cmakeCommand);
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}
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// Expand placeholders in the commands.
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this->LocalGenerator->TargetImplib = targetOutPathImport;
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for (std::vector<std::string>::iterator i = real_link_commands.begin();
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i != real_link_commands.end(); ++i) {
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this->LocalGenerator->ExpandRuleVariables(*i, vars);
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}
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this->LocalGenerator->TargetImplib = "";
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// Restore path conversion to normal shells.
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this->LocalGenerator->SetLinkScriptShell(false);
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}
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// Optionally convert the build rule to use a script to avoid long
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// command lines in the make shell.
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if (useLinkScript) {
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// Use a link script.
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const char* name = (relink ? "relink.txt" : "link.txt");
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this->CreateLinkScript(name, real_link_commands, commands1, depends);
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} else {
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// No link script. Just use the link rule directly.
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commands1 = real_link_commands;
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}
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this->LocalGenerator->CreateCDCommand(
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commands1, this->Makefile->GetCurrentBinaryDirectory(),
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this->LocalGenerator->GetBinaryDirectory());
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commands.insert(commands.end(), commands1.begin(), commands1.end());
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commands1.clear();
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// Add a rule to create necessary symlinks for the library.
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if (targetOutPath != targetOutPathReal) {
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std::string symlink = "$(CMAKE_COMMAND) -E cmake_symlink_executable ";
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symlink += targetOutPathReal;
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symlink += " ";
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symlink += targetOutPath;
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commands1.push_back(symlink);
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this->LocalGenerator->CreateCDCommand(
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commands1, this->Makefile->GetCurrentBinaryDirectory(),
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this->LocalGenerator->GetBinaryDirectory());
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commands.insert(commands.end(), commands1.begin(), commands1.end());
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commands1.clear();
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}
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// Add the post-build rules when building but not when relinking.
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if (!relink) {
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this->LocalGenerator->AppendCustomCommands(
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commands, this->GeneratorTarget->GetPostBuildCommands(),
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this->GeneratorTarget, this->LocalGenerator->GetBinaryDirectory());
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}
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// Write the build rule.
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this->LocalGenerator->WriteMakeRule(*this->BuildFileStream, CM_NULLPTR,
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targetFullPathReal, depends, commands,
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false);
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// The symlink name for the target should depend on the real target
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// so if the target version changes it rebuilds and recreates the
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// symlink.
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if (targetFullPath != targetFullPathReal) {
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depends.clear();
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commands.clear();
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depends.push_back(targetFullPathReal);
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this->LocalGenerator->WriteMakeRule(*this->BuildFileStream, CM_NULLPTR,
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targetFullPath, depends, commands,
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false);
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}
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// Write the main driver rule to build everything in this target.
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this->WriteTargetDriverRule(targetFullPath, relink);
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// Clean all the possible executable names and symlinks.
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this->CleanFiles.insert(this->CleanFiles.end(), exeCleanFiles.begin(),
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exeCleanFiles.end());
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}
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