/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying file Copyright.txt or https://cmake.org/licensing for details. */ #include "cmLocalGenerator.h" #include "cmAlgorithms.h" #include "cmComputeLinkInformation.h" #include "cmCustomCommandGenerator.h" #include "cmGeneratedFileStream.h" #include "cmGeneratorExpressionEvaluationFile.h" #include "cmGeneratorTarget.h" #include "cmGlobalGenerator.h" #include "cmInstallGenerator.h" #include "cmInstallScriptGenerator.h" #include "cmInstallTargetGenerator.h" #include "cmLinkLineComputer.h" #include "cmMakefile.h" #include "cmRulePlaceholderExpander.h" #include "cmSourceFile.h" #include "cmSourceFileLocation.h" #include "cmState.h" #include "cmStateDirectory.h" #include "cmStateTypes.h" #include "cmSystemTools.h" #include "cmTarget.h" #include "cmTestGenerator.h" #include "cmVersion.h" #include "cmake.h" #if defined(CMAKE_BUILD_WITH_CMAKE) # define CM_LG_ENCODE_OBJECT_NAMES # include "cmCryptoHash.h" #endif #include "cmsys/RegularExpression.hxx" #include #include #include #include #include #include #include #include #if defined(__HAIKU__) # include # include #endif // List of variables that are replaced when // rules are expanced. These variables are // replaced in the form with GetSafeDefinition(var). // ${LANG} is replaced in the variable first with all enabled // languages. static const char* ruleReplaceVars[] = { "CMAKE_${LANG}_COMPILER", "CMAKE_SHARED_LIBRARY_CREATE_${LANG}_FLAGS", "CMAKE_SHARED_MODULE_CREATE_${LANG}_FLAGS", "CMAKE_SHARED_MODULE_${LANG}_FLAGS", "CMAKE_SHARED_LIBRARY_${LANG}_FLAGS", "CMAKE_${LANG}_LINK_FLAGS", "CMAKE_SHARED_LIBRARY_SONAME_${LANG}_FLAG", "CMAKE_${LANG}_ARCHIVE", "CMAKE_AR", "CMAKE_CURRENT_SOURCE_DIR", "CMAKE_CURRENT_BINARY_DIR", "CMAKE_RANLIB", "CMAKE_LINKER", "CMAKE_CUDA_HOST_COMPILER", "CMAKE_CUDA_HOST_LINK_LAUNCHER", "CMAKE_CL_SHOWINCLUDES_PREFIX" }; cmLocalGenerator::cmLocalGenerator(cmGlobalGenerator* gg, cmMakefile* makefile) : cmOutputConverter(makefile->GetStateSnapshot()) , StateSnapshot(makefile->GetStateSnapshot()) , DirectoryBacktrace(makefile->GetBacktrace()) { this->GlobalGenerator = gg; this->Makefile = makefile; this->AliasTargets = makefile->GetAliasTargets(); this->EmitUniversalBinaryFlags = true; this->BackwardsCompatibility = 0; this->BackwardsCompatibilityFinal = false; this->ComputeObjectMaxPath(); std::vector enabledLanguages = this->GetState()->GetEnabledLanguages(); if (const char* sysrootCompile = this->Makefile->GetDefinition("CMAKE_SYSROOT_COMPILE")) { this->CompilerSysroot = sysrootCompile; } else { this->CompilerSysroot = this->Makefile->GetSafeDefinition("CMAKE_SYSROOT"); } if (const char* sysrootLink = this->Makefile->GetDefinition("CMAKE_SYSROOT_LINK")) { this->LinkerSysroot = sysrootLink; } else { this->LinkerSysroot = this->Makefile->GetSafeDefinition("CMAKE_SYSROOT"); } for (std::string const& lang : enabledLanguages) { if (lang == "NONE") { continue; } this->Compilers["CMAKE_" + lang + "_COMPILER"] = lang; this->VariableMappings["CMAKE_" + lang + "_COMPILER"] = this->Makefile->GetSafeDefinition("CMAKE_" + lang + "_COMPILER"); std::string const& compilerArg1 = "CMAKE_" + lang + "_COMPILER_ARG1"; std::string const& compilerTarget = "CMAKE_" + lang + "_COMPILER_TARGET"; std::string const& compilerOptionTarget = "CMAKE_" + lang + "_COMPILE_OPTIONS_TARGET"; std::string const& compilerExternalToolchain = "CMAKE_" + lang + "_COMPILER_EXTERNAL_TOOLCHAIN"; std::string const& compilerOptionExternalToolchain = "CMAKE_" + lang + "_COMPILE_OPTIONS_EXTERNAL_TOOLCHAIN"; std::string const& compilerOptionSysroot = "CMAKE_" + lang + "_COMPILE_OPTIONS_SYSROOT"; this->VariableMappings[compilerArg1] = this->Makefile->GetSafeDefinition(compilerArg1); this->VariableMappings[compilerTarget] = this->Makefile->GetSafeDefinition(compilerTarget); this->VariableMappings[compilerOptionTarget] = this->Makefile->GetSafeDefinition(compilerOptionTarget); this->VariableMappings[compilerExternalToolchain] = this->Makefile->GetSafeDefinition(compilerExternalToolchain); this->VariableMappings[compilerOptionExternalToolchain] = this->Makefile->GetSafeDefinition(compilerOptionExternalToolchain); this->VariableMappings[compilerOptionSysroot] = this->Makefile->GetSafeDefinition(compilerOptionSysroot); for (const char* const* replaceIter = cm::cbegin(ruleReplaceVars); replaceIter != cm::cend(ruleReplaceVars); ++replaceIter) { std::string actualReplace = *replaceIter; if (actualReplace.find("${LANG}") != std::string::npos) { cmSystemTools::ReplaceString(actualReplace, "${LANG}", lang); } this->VariableMappings[actualReplace] = this->Makefile->GetSafeDefinition(actualReplace); } } } cmRulePlaceholderExpander* cmLocalGenerator::CreateRulePlaceholderExpander() const { return new cmRulePlaceholderExpander(this->Compilers, this->VariableMappings, this->CompilerSysroot, this->LinkerSysroot); } cmLocalGenerator::~cmLocalGenerator() { cmDeleteAll(this->GeneratorTargets); cmDeleteAll(this->OwnedImportedGeneratorTargets); } void cmLocalGenerator::IssueMessage(cmake::MessageType t, std::string const& text) const { this->GetCMakeInstance()->IssueMessage(t, text, this->DirectoryBacktrace); } void cmLocalGenerator::ComputeObjectMaxPath() { // Choose a maximum object file name length. #if defined(_WIN32) || defined(__CYGWIN__) this->ObjectPathMax = 250; #else this->ObjectPathMax = 1000; #endif const char* plen = this->Makefile->GetDefinition("CMAKE_OBJECT_PATH_MAX"); if (plen && *plen) { unsigned int pmax; if (sscanf(plen, "%u", &pmax) == 1) { if (pmax >= 128) { this->ObjectPathMax = pmax; } else { std::ostringstream w; w << "CMAKE_OBJECT_PATH_MAX is set to " << pmax << ", which is less than the minimum of 128. " << "The value will be ignored."; this->IssueMessage(cmake::AUTHOR_WARNING, w.str()); } } else { std::ostringstream w; w << "CMAKE_OBJECT_PATH_MAX is set to \"" << plen << "\", which fails to parse as a positive integer. " << "The value will be ignored."; this->IssueMessage(cmake::AUTHOR_WARNING, w.str()); } } this->ObjectMaxPathViolations.clear(); } static void MoveSystemIncludesToEnd(std::vector& includeDirs, const std::string& config, const std::string& lang, const cmGeneratorTarget* target) { if (!target) { return; } std::stable_sort( includeDirs.begin(), includeDirs.end(), [&target, &config, &lang](std::string const& a, std::string const& b) { return !target->IsSystemIncludeDirectory(a, config, lang) && target->IsSystemIncludeDirectory(b, config, lang); }); } static void MoveSystemIncludesToEnd(std::vector>& includeDirs, const std::string& config, const std::string& lang, const cmGeneratorTarget* target) { if (!target) { return; } std::stable_sort(includeDirs.begin(), includeDirs.end(), [target, &config, &lang](BT const& a, BT const& b) { return !target->IsSystemIncludeDirectory(a.Value, config, lang) && target->IsSystemIncludeDirectory(b.Value, config, lang); }); } void cmLocalGenerator::TraceDependencies() { std::vector configs; this->Makefile->GetConfigurations(configs); if (configs.empty()) { configs.emplace_back(); } for (std::string const& c : configs) { this->GlobalGenerator->CreateEvaluationSourceFiles(c); } // Generate the rule files for each target. const std::vector& targets = this->GetGeneratorTargets(); for (cmGeneratorTarget* target : targets) { if (target->GetType() == cmStateEnums::INTERFACE_LIBRARY) { continue; } target->TraceDependencies(); } } void cmLocalGenerator::GenerateTestFiles() { if (!this->Makefile->IsOn("CMAKE_TESTING_ENABLED")) { return; } // Compute the set of configurations. std::vector configurationTypes; const std::string& config = this->Makefile->GetConfigurations(configurationTypes, false); std::string file = this->StateSnapshot.GetDirectory().GetCurrentBinary(); file += "/"; file += "CTestTestfile.cmake"; cmGeneratedFileStream fout(file); fout.SetCopyIfDifferent(true); fout << "# CMake generated Testfile for " << std::endl << "# Source directory: " << this->StateSnapshot.GetDirectory().GetCurrentSource() << std::endl << "# Build directory: " << this->StateSnapshot.GetDirectory().GetCurrentBinary() << std::endl << "# " << std::endl << "# This file includes the relevant testing commands " << "required for " << std::endl << "# testing this directory and lists subdirectories to " << "be tested as well." << std::endl; const char* testIncludeFile = this->Makefile->GetProperty("TEST_INCLUDE_FILE"); if (testIncludeFile) { fout << "include(\"" << testIncludeFile << "\")" << std::endl; } const char* testIncludeFiles = this->Makefile->GetProperty("TEST_INCLUDE_FILES"); if (testIncludeFiles) { std::vector includesList; cmSystemTools::ExpandListArgument(testIncludeFiles, includesList); for (std::string const& i : includesList) { fout << "include(\"" << i << "\")" << std::endl; } } // Ask each test generator to write its code. std::vector const& testers = this->Makefile->GetTestGenerators(); for (cmTestGenerator* tester : testers) { tester->Compute(this); tester->Generate(fout, config, configurationTypes); } typedef std::vector vec_t; vec_t const& children = this->Makefile->GetStateSnapshot().GetChildren(); std::string parentBinDir = this->GetCurrentBinaryDirectory(); for (cmStateSnapshot const& i : children) { // TODO: Use add_subdirectory instead? std::string outP = i.GetDirectory().GetCurrentBinary(); outP = this->ConvertToRelativePath(parentBinDir, outP); outP = cmOutputConverter::EscapeForCMake(outP); fout << "subdirs(" << outP << ")" << std::endl; } // Add directory labels property const char* directoryLabels = this->Makefile->GetDefinition("CMAKE_DIRECTORY_LABELS"); const char* labels = this->Makefile->GetProperty("LABELS"); if (labels || directoryLabels) { fout << "set_directory_properties(PROPERTIES LABELS "; if (labels) { fout << cmOutputConverter::EscapeForCMake(labels); } if (labels && directoryLabels) { fout << ";"; } if (directoryLabels) { fout << cmOutputConverter::EscapeForCMake(directoryLabels); } fout << ")" << std::endl; } } void cmLocalGenerator::CreateEvaluationFileOutputs(std::string const& config) { std::vector ef = this->Makefile->GetEvaluationFiles(); for (cmGeneratorExpressionEvaluationFile* geef : ef) { geef->CreateOutputFile(this, config); } } void cmLocalGenerator::ProcessEvaluationFiles( std::vector& generatedFiles) { std::vector ef = this->Makefile->GetEvaluationFiles(); for (cmGeneratorExpressionEvaluationFile* geef : ef) { geef->Generate(this); if (cmSystemTools::GetFatalErrorOccured()) { return; } std::vector files = geef->GetFiles(); std::sort(files.begin(), files.end()); std::vector intersection; std::set_intersection(files.begin(), files.end(), generatedFiles.begin(), generatedFiles.end(), std::back_inserter(intersection)); if (!intersection.empty()) { cmSystemTools::Error("Files to be generated by multiple different " "commands: ", cmWrap('"', intersection, '"', " ").c_str()); return; } generatedFiles.insert(generatedFiles.end(), files.begin(), files.end()); std::vector::iterator newIt = generatedFiles.end() - files.size(); std::inplace_merge(generatedFiles.begin(), newIt, generatedFiles.end()); } } void cmLocalGenerator::GenerateInstallRules() { // Compute the install prefix. const char* prefix = this->Makefile->GetDefinition("CMAKE_INSTALL_PREFIX"); #if defined(_WIN32) && !defined(__CYGWIN__) std::string prefix_win32; if (!prefix) { if (!cmSystemTools::GetEnv("SystemDrive", prefix_win32)) { prefix_win32 = "C:"; } const char* project_name = this->Makefile->GetDefinition("PROJECT_NAME"); if (project_name && project_name[0]) { prefix_win32 += "/Program Files/"; prefix_win32 += project_name; } else { prefix_win32 += "/InstalledCMakeProject"; } prefix = prefix_win32.c_str(); } #elif defined(__HAIKU__) char dir[B_PATH_NAME_LENGTH]; if (!prefix) { if (find_directory(B_SYSTEM_DIRECTORY, -1, false, dir, sizeof(dir)) == B_OK) { prefix = dir; } else { prefix = "/boot/system"; } } #else if (!prefix) { prefix = "/usr/local"; } #endif if (const char* stagingPrefix = this->Makefile->GetDefinition("CMAKE_STAGING_PREFIX")) { prefix = stagingPrefix; } // Compute the set of configurations. std::vector configurationTypes; const std::string& config = this->Makefile->GetConfigurations(configurationTypes, false); // Choose a default install configuration. std::string default_config = config; const char* default_order[] = { "RELEASE", "MINSIZEREL", "RELWITHDEBINFO", "DEBUG", nullptr }; for (const char** c = default_order; *c && default_config.empty(); ++c) { for (std::string const& configurationType : configurationTypes) { if (cmSystemTools::UpperCase(configurationType) == *c) { default_config = configurationType; } } } if (default_config.empty() && !configurationTypes.empty()) { default_config = configurationTypes[0]; } // Create the install script file. std::string file = this->StateSnapshot.GetDirectory().GetCurrentBinary(); std::string homedir = this->GetState()->GetBinaryDirectory(); int toplevel_install = 0; if (file == homedir) { toplevel_install = 1; } file += "/cmake_install.cmake"; cmGeneratedFileStream fout(file); fout.SetCopyIfDifferent(true); // Write the header. fout << "# Install script for directory: " << this->StateSnapshot.GetDirectory().GetCurrentSource() << std::endl << std::endl; fout << "# Set the install prefix" << std::endl << "if(NOT DEFINED CMAKE_INSTALL_PREFIX)" << std::endl << " set(CMAKE_INSTALL_PREFIX \"" << prefix << "\")" << std::endl << "endif()" << std::endl << "string(REGEX REPLACE \"/$\" \"\" CMAKE_INSTALL_PREFIX " << "\"${CMAKE_INSTALL_PREFIX}\")" << std::endl << std::endl; // Write support code for generating per-configuration install rules. /* clang-format off */ fout << "# Set the install configuration name.\n" "if(NOT DEFINED CMAKE_INSTALL_CONFIG_NAME)\n" " if(BUILD_TYPE)\n" " string(REGEX REPLACE \"^[^A-Za-z0-9_]+\" \"\"\n" " CMAKE_INSTALL_CONFIG_NAME \"${BUILD_TYPE}\")\n" " else()\n" " set(CMAKE_INSTALL_CONFIG_NAME \"" << default_config << "\")\n" " endif()\n" " message(STATUS \"Install configuration: " "\\\"${CMAKE_INSTALL_CONFIG_NAME}\\\"\")\n" "endif()\n" "\n"; /* clang-format on */ // Write support code for dealing with component-specific installs. /* clang-format off */ fout << "# Set the component getting installed.\n" "if(NOT CMAKE_INSTALL_COMPONENT)\n" " if(COMPONENT)\n" " message(STATUS \"Install component: \\\"${COMPONENT}\\\"\")\n" " set(CMAKE_INSTALL_COMPONENT \"${COMPONENT}\")\n" " else()\n" " set(CMAKE_INSTALL_COMPONENT)\n" " endif()\n" "endif()\n" "\n"; /* clang-format on */ // Copy user-specified install options to the install code. if (const char* so_no_exe = this->Makefile->GetDefinition("CMAKE_INSTALL_SO_NO_EXE")) { /* clang-format off */ fout << "# Install shared libraries without execute permission?\n" "if(NOT DEFINED CMAKE_INSTALL_SO_NO_EXE)\n" " set(CMAKE_INSTALL_SO_NO_EXE \"" << so_no_exe << "\")\n" "endif()\n" "\n"; /* clang-format on */ } // Copy cmake cross compile state to install code. if (const char* crosscompiling = this->Makefile->GetDefinition("CMAKE_CROSSCOMPILING")) { /* clang-format off */ fout << "# Is this installation the result of a crosscompile?\n" "if(NOT DEFINED CMAKE_CROSSCOMPILING)\n" " set(CMAKE_CROSSCOMPILING \"" << crosscompiling << "\")\n" "endif()\n" "\n"; /* clang-format on */ } // Write default directory permissions. if (const char* defaultDirPermissions = this->Makefile->GetDefinition( "CMAKE_INSTALL_DEFAULT_DIRECTORY_PERMISSIONS")) { /* clang-format off */ fout << "# Set default install directory permissions.\n" "if(NOT DEFINED CMAKE_INSTALL_DEFAULT_DIRECTORY_PERMISSIONS)\n" " set(CMAKE_INSTALL_DEFAULT_DIRECTORY_PERMISSIONS \"" << defaultDirPermissions << "\")\n" "endif()\n" "\n"; /* clang-format on */ } // Ask each install generator to write its code. cmPolicies::PolicyStatus status = this->GetPolicyStatus(cmPolicies::CMP0082); std::vector const& installers = this->Makefile->GetInstallGenerators(); bool haveSubdirectoryInstall = false; bool haveInstallAfterSubdirectory = false; if (status == cmPolicies::WARN) { for (cmInstallGenerator* installer : installers) { installer->CheckCMP0082(haveSubdirectoryInstall, haveInstallAfterSubdirectory); installer->Generate(fout, config, configurationTypes); } } else { for (cmInstallGenerator* installer : installers) { installer->Generate(fout, config, configurationTypes); } } // Write rules from old-style specification stored in targets. this->GenerateTargetInstallRules(fout, config, configurationTypes); // Include install scripts from subdirectories. switch (status) { case cmPolicies::WARN: if (haveInstallAfterSubdirectory && this->Makefile->PolicyOptionalWarningEnabled( "CMAKE_POLICY_WARNING_CMP0082")) { std::ostringstream e; e << cmPolicies::GetPolicyWarning(cmPolicies::CMP0082) << "\n"; this->IssueMessage(cmake::AUTHOR_WARNING, e.str()); } CM_FALLTHROUGH; case cmPolicies::OLD: { std::vector children = this->Makefile->GetStateSnapshot().GetChildren(); if (!children.empty()) { fout << "if(NOT CMAKE_INSTALL_LOCAL_ONLY)\n"; fout << " # Include the install script for each subdirectory.\n"; for (cmStateSnapshot const& c : children) { if (!c.GetDirectory().GetPropertyAsBool("EXCLUDE_FROM_ALL")) { std::string odir = c.GetDirectory().GetCurrentBinary(); cmSystemTools::ConvertToUnixSlashes(odir); fout << " include(\"" << odir << "/cmake_install.cmake\")" << std::endl; } } fout << "\n"; fout << "endif()\n\n"; } } break; case cmPolicies::REQUIRED_IF_USED: case cmPolicies::REQUIRED_ALWAYS: case cmPolicies::NEW: // NEW behavior is handled in // cmInstallSubdirectoryGenerator::GenerateScript() break; } // Record the install manifest. if (toplevel_install) { /* clang-format off */ fout << "if(CMAKE_INSTALL_COMPONENT)\n" " set(CMAKE_INSTALL_MANIFEST \"install_manifest_" "${CMAKE_INSTALL_COMPONENT}.txt\")\n" "else()\n" " set(CMAKE_INSTALL_MANIFEST \"install_manifest.txt\")\n" "endif()\n" "\n" "string(REPLACE \";\" \"\\n\" CMAKE_INSTALL_MANIFEST_CONTENT\n" " \"${CMAKE_INSTALL_MANIFEST_FILES}\")\n" "file(WRITE \"" << homedir << "/${CMAKE_INSTALL_MANIFEST}\"\n" " \"${CMAKE_INSTALL_MANIFEST_CONTENT}\")\n"; /* clang-format on */ } } void cmLocalGenerator::AddGeneratorTarget(cmGeneratorTarget* gt) { this->GeneratorTargets.push_back(gt); this->GeneratorTargetSearchIndex.emplace(gt->GetName(), gt); this->GlobalGenerator->IndexGeneratorTarget(gt); } void cmLocalGenerator::AddImportedGeneratorTarget(cmGeneratorTarget* gt) { this->ImportedGeneratorTargets.emplace(gt->GetName(), gt); this->GlobalGenerator->IndexGeneratorTarget(gt); } void cmLocalGenerator::AddOwnedImportedGeneratorTarget(cmGeneratorTarget* gt) { this->OwnedImportedGeneratorTargets.push_back(gt); } cmGeneratorTarget* cmLocalGenerator::FindLocalNonAliasGeneratorTarget( const std::string& name) const { GeneratorTargetMap::const_iterator ti = this->GeneratorTargetSearchIndex.find(name); if (ti != this->GeneratorTargetSearchIndex.end()) { return ti->second; } return nullptr; } void cmLocalGenerator::ComputeTargetManifest() { // Collect the set of configuration types. std::vector configNames; this->Makefile->GetConfigurations(configNames); if (configNames.empty()) { configNames.emplace_back(); } // Add our targets to the manifest for each configuration. const std::vector& targets = this->GetGeneratorTargets(); for (cmGeneratorTarget* target : targets) { if (target->GetType() == cmStateEnums::INTERFACE_LIBRARY) { continue; } for (std::string const& c : configNames) { target->ComputeTargetManifest(c); } } } bool cmLocalGenerator::ComputeTargetCompileFeatures() { // Collect the set of configuration types. std::vector configNames; this->Makefile->GetConfigurations(configNames); if (configNames.empty()) { configNames.emplace_back(); } // Process compile features of all targets. const std::vector& targets = this->GetGeneratorTargets(); for (cmGeneratorTarget* target : targets) { for (std::string const& c : configNames) { if (!target->ComputeCompileFeatures(c)) { return false; } } } return true; } bool cmLocalGenerator::IsRootMakefile() const { return !this->StateSnapshot.GetBuildsystemDirectoryParent().IsValid(); } cmState* cmLocalGenerator::GetState() const { return this->GlobalGenerator->GetCMakeInstance()->GetState(); } cmStateSnapshot cmLocalGenerator::GetStateSnapshot() const { return this->Makefile->GetStateSnapshot(); } const char* cmLocalGenerator::GetRuleLauncher(cmGeneratorTarget* target, const std::string& prop) { if (target) { return target->GetProperty(prop); } return this->Makefile->GetProperty(prop); } std::string cmLocalGenerator::ConvertToIncludeReference( std::string const& path, OutputFormat format, bool forceFullPaths) { static_cast(forceFullPaths); return this->ConvertToOutputForExisting(path, format); } std::string cmLocalGenerator::GetIncludeFlags( const std::vector& includeDirs, cmGeneratorTarget* target, const std::string& lang, bool forceFullPaths, bool forResponseFile, const std::string& config) { if (lang.empty()) { return ""; } std::vector includes = includeDirs; MoveSystemIncludesToEnd(includes, config, lang, target); OutputFormat shellFormat = forResponseFile ? RESPONSE : SHELL; std::ostringstream includeFlags; std::string flagVar = "CMAKE_INCLUDE_FLAG_"; flagVar += lang; std::string const& includeFlag = this->Makefile->GetSafeDefinition(flagVar); flagVar = "CMAKE_INCLUDE_FLAG_SEP_"; flagVar += lang; const char* sep = this->Makefile->GetDefinition(flagVar); bool quotePaths = false; if (this->Makefile->GetDefinition("CMAKE_QUOTE_INCLUDE_PATHS")) { quotePaths = true; } bool repeatFlag = true; // should the include flag be repeated like ie. -IA -IB if (!sep) { sep = " "; } else { // if there is a separator then the flag is not repeated but is only // given once i.e. -classpath a:b:c repeatFlag = false; } // Support special system include flag if it is available and the // normal flag is repeated for each directory. std::string sysFlagVar = "CMAKE_INCLUDE_SYSTEM_FLAG_"; sysFlagVar += lang; const char* sysIncludeFlag = nullptr; if (repeatFlag) { sysIncludeFlag = this->Makefile->GetDefinition(sysFlagVar); } std::string fwSearchFlagVar = "CMAKE_"; fwSearchFlagVar += lang; fwSearchFlagVar += "_FRAMEWORK_SEARCH_FLAG"; const char* fwSearchFlag = this->Makefile->GetDefinition(fwSearchFlagVar); std::string sysFwSearchFlagVar = "CMAKE_"; sysFwSearchFlagVar += lang; sysFwSearchFlagVar += "_SYSTEM_FRAMEWORK_SEARCH_FLAG"; const char* sysFwSearchFlag = this->Makefile->GetDefinition(sysFwSearchFlagVar); bool flagUsed = false; std::set emitted; #ifdef __APPLE__ emitted.insert("/System/Library/Frameworks"); #endif for (std::string const& i : includes) { if (fwSearchFlag && *fwSearchFlag && this->Makefile->IsOn("APPLE") && cmSystemTools::IsPathToFramework(i.c_str())) { std::string frameworkDir = i; frameworkDir += "/../"; frameworkDir = cmSystemTools::CollapseFullPath(frameworkDir); if (emitted.insert(frameworkDir).second) { if (sysFwSearchFlag && target && target->IsSystemIncludeDirectory(i, config, lang)) { includeFlags << sysFwSearchFlag; } else { includeFlags << fwSearchFlag; } includeFlags << this->ConvertToOutputFormat(frameworkDir, shellFormat) << " "; } continue; } if (!flagUsed || repeatFlag) { if (sysIncludeFlag && target && target->IsSystemIncludeDirectory(i, config, lang)) { includeFlags << sysIncludeFlag; } else { includeFlags << includeFlag; } flagUsed = true; } std::string includePath = this->ConvertToIncludeReference(i, shellFormat, forceFullPaths); if (quotePaths && !includePath.empty() && includePath[0] != '\"') { includeFlags << "\""; } includeFlags << includePath; if (quotePaths && !includePath.empty() && includePath[0] != '\"') { includeFlags << "\""; } includeFlags << sep; } std::string flags = includeFlags.str(); // remove trailing separators if ((sep[0] != ' ') && !flags.empty() && flags[flags.size() - 1] == sep[0]) { flags[flags.size() - 1] = ' '; } return flags; } void cmLocalGenerator::AddCompileOptions(std::string& flags, cmGeneratorTarget* target, const std::string& lang, const std::string& config) { std::string langFlagRegexVar = std::string("CMAKE_") + lang + "_FLAG_REGEX"; if (const char* langFlagRegexStr = this->Makefile->GetDefinition(langFlagRegexVar)) { // Filter flags acceptable to this language. std::vector opts; if (const char* targetFlags = target->GetProperty("COMPILE_FLAGS")) { cmSystemTools::ParseWindowsCommandLine(targetFlags, opts); } target->GetCompileOptions(opts, config, lang); // (Re-)Escape these flags. COMPILE_FLAGS were already parsed // as a command line above, and COMPILE_OPTIONS are escaped. this->AppendCompileOptions(flags, opts, langFlagRegexStr); } else { // Use all flags. if (const char* targetFlags = target->GetProperty("COMPILE_FLAGS")) { // COMPILE_FLAGS are not escaped for historical reasons. this->AppendFlags(flags, targetFlags); } std::vector opts; target->GetCompileOptions(opts, config, lang); // COMPILE_OPTIONS are escaped. this->AppendCompileOptions(flags, opts); } for (auto const& it : target->GetMaxLanguageStandards()) { const char* standard = target->GetProperty(it.first + "_STANDARD"); if (!standard) { continue; } if (this->Makefile->IsLaterStandard(it.first, standard, it.second)) { std::ostringstream e; e << "The COMPILE_FEATURES property of target \"" << target->GetName() << "\" was evaluated when computing the link " "implementation, and the \"" << it.first << "_STANDARD\" was \"" << it.second << "\" for that computation. Computing the " "COMPILE_FEATURES based on the link implementation resulted in a " "higher \"" << it.first << "_STANDARD\" \"" << standard << "\". " "This is not permitted. The COMPILE_FEATURES may not both depend " "on " "and be depended on by the link implementation." << std::endl; this->IssueMessage(cmake::FATAL_ERROR, e.str()); return; } } this->AddCompilerRequirementFlag(flags, target, lang); } void cmLocalGenerator::GetIncludeDirectories(std::vector& dirs, cmGeneratorTarget const* target, const std::string& lang, const std::string& config, bool stripImplicitDirs, bool appendAllImplicitDirs) const { std::vector> tmp = this->GetIncludeDirectories( target, lang, config, stripImplicitDirs, appendAllImplicitDirs); dirs.reserve(tmp.size()); for (BT& v : tmp) { dirs.emplace_back(std::move(v.Value)); } } std::vector> cmLocalGenerator::GetIncludeDirectories( cmGeneratorTarget const* target, std::string const& lang, std::string const& config, bool stripImplicitDirs, bool appendAllImplicitDirs) const { std::vector> result; // Do not repeat an include path. std::set emitted; // When automatic include directories are requested for a build then // include the source and binary directories at the beginning of the // include path to approximate include file behavior for an // in-source build. This does not account for the case of a source // file in a subdirectory of the current source directory but we // cannot fix this because not all native build tools support // per-source-file include paths. if (this->Makefile->IsOn("CMAKE_INCLUDE_CURRENT_DIR")) { // Current binary directory { std::string binDir = this->StateSnapshot.GetDirectory().GetCurrentBinary(); if (emitted.insert(binDir).second) { result.emplace_back(std::move(binDir)); } } // Current source directory { std::string srcDir = this->StateSnapshot.GetDirectory().GetCurrentSource(); if (emitted.insert(srcDir).second) { result.emplace_back(std::move(srcDir)); } } } if (!target) { return result; } // Implicit include directories std::vector implicitDirs; { std::string rootPath; if (const char* sysrootCompile = this->Makefile->GetDefinition("CMAKE_SYSROOT_COMPILE")) { rootPath = sysrootCompile; } else { rootPath = this->Makefile->GetSafeDefinition("CMAKE_SYSROOT"); } // Load implicit include directories for this language. std::string key = "CMAKE_"; key += lang; key += "_IMPLICIT_INCLUDE_DIRECTORIES"; if (const char* value = this->Makefile->GetDefinition(key)) { std::vector impDirVec; cmSystemTools::ExpandListArgument(value, impDirVec); for (std::string const& i : impDirVec) { { std::string d = rootPath + i; cmSystemTools::ConvertToUnixSlashes(d); emitted.insert(std::move(d)); } implicitDirs.push_back(i); } } } // Get the target-specific include directories. std::vector> userDirs = target->GetIncludeDirectories(config, lang); // Support putting all the in-project include directories first if // it is requested by the project. if (this->Makefile->IsOn("CMAKE_INCLUDE_DIRECTORIES_PROJECT_BEFORE")) { std::string const &topSourceDir = this->GetState()->GetSourceDirectory(), &topBinaryDir = this->GetState()->GetBinaryDirectory(); for (BT const& i : userDirs) { // Emit this directory only if it is a subdirectory of the // top-level source or binary tree. if (cmSystemTools::ComparePath(i.Value, topSourceDir) || cmSystemTools::ComparePath(i.Value, topBinaryDir) || cmSystemTools::IsSubDirectory(i.Value, topSourceDir) || cmSystemTools::IsSubDirectory(i.Value, topBinaryDir)) { if (emitted.insert(i.Value).second) { result.push_back(i); } } } } // Construct the final ordered include directory list. for (BT const& i : userDirs) { if (emitted.insert(i.Value).second) { result.push_back(i); } } MoveSystemIncludesToEnd(result, config, lang, target); // Add standard include directories for this language. { std::vector userStandardDirs; { std::string key = "CMAKE_"; key += lang; key += "_STANDARD_INCLUDE_DIRECTORIES"; std::string const value = this->Makefile->GetSafeDefinition(key); cmSystemTools::ExpandListArgument(value, userStandardDirs); } userDirs.reserve(userDirs.size() + userStandardDirs.size()); for (std::string& d : userStandardDirs) { cmSystemTools::ConvertToUnixSlashes(d); result.emplace_back(d); userDirs.emplace_back(std::move(d)); } } if (!stripImplicitDirs) { // Append only implicit directories that were requested by the user for (std::string const& i : implicitDirs) { if (std::find(userDirs.begin(), userDirs.end(), i) != userDirs.end()) { result.emplace_back(i); } } // Append remaining implicit directories on demand if (appendAllImplicitDirs) { for (std::string const& i : implicitDirs) { if (std::find(result.begin(), result.end(), i) == result.end()) { result.emplace_back(i); } } } } return result; } void cmLocalGenerator::GetStaticLibraryFlags(std::string& flags, std::string const& config, std::string const& linkLanguage, cmGeneratorTarget* target) { this->AppendFlags( flags, this->Makefile->GetSafeDefinition("CMAKE_STATIC_LINKER_FLAGS")); if (!config.empty()) { std::string name = "CMAKE_STATIC_LINKER_FLAGS_" + config; this->AppendFlags(flags, this->Makefile->GetSafeDefinition(name)); } this->AppendFlags(flags, target->GetProperty("STATIC_LIBRARY_FLAGS")); if (!config.empty()) { std::string name = "STATIC_LIBRARY_FLAGS_" + config; this->AppendFlags(flags, target->GetProperty(name)); } std::vector options; target->GetStaticLibraryLinkOptions(options, config, linkLanguage); // STATIC_LIBRARY_OPTIONS are escaped. this->AppendCompileOptions(flags, options); } void cmLocalGenerator::GetTargetFlags( cmLinkLineComputer* linkLineComputer, const std::string& config, std::string& linkLibs, std::string& flags, std::string& linkFlags, std::string& frameworkPath, std::string& linkPath, cmGeneratorTarget* target) { const std::string buildType = cmSystemTools::UpperCase(config); cmComputeLinkInformation* pcli = target->GetLinkInformation(config); const char* libraryLinkVariable = "CMAKE_SHARED_LINKER_FLAGS"; // default to shared library const std::string linkLanguage = linkLineComputer->GetLinkerLanguage(target, buildType); switch (target->GetType()) { case cmStateEnums::STATIC_LIBRARY: this->GetStaticLibraryFlags(linkFlags, buildType, linkLanguage, target); break; case cmStateEnums::MODULE_LIBRARY: libraryLinkVariable = "CMAKE_MODULE_LINKER_FLAGS"; CM_FALLTHROUGH; case cmStateEnums::SHARED_LIBRARY: { linkFlags = this->Makefile->GetSafeDefinition(libraryLinkVariable); linkFlags += " "; if (!buildType.empty()) { std::string build = libraryLinkVariable; build += "_"; build += buildType; linkFlags += this->Makefile->GetSafeDefinition(build); linkFlags += " "; } if (this->Makefile->IsOn("WIN32") && !(this->Makefile->IsOn("CYGWIN") || this->Makefile->IsOn("MINGW"))) { std::vector sources; target->GetSourceFiles(sources, buildType); std::string defFlag = this->Makefile->GetSafeDefinition("CMAKE_LINK_DEF_FILE_FLAG"); for (cmSourceFile* sf : sources) { if (sf->GetExtension() == "def") { linkFlags += defFlag; linkFlags += this->ConvertToOutputFormat( cmSystemTools::CollapseFullPath(sf->GetFullPath()), SHELL); linkFlags += " "; } } } const char* targetLinkFlags = target->GetProperty("LINK_FLAGS"); if (targetLinkFlags) { linkFlags += targetLinkFlags; linkFlags += " "; } if (!buildType.empty()) { std::string configLinkFlags = "LINK_FLAGS_"; configLinkFlags += buildType; targetLinkFlags = target->GetProperty(configLinkFlags); if (targetLinkFlags) { linkFlags += targetLinkFlags; linkFlags += " "; } } std::vector opts; target->GetLinkOptions(opts, config, linkLanguage); // LINK_OPTIONS are escaped. this->AppendCompileOptions(linkFlags, opts); if (pcli) { this->OutputLinkLibraries(pcli, linkLineComputer, linkLibs, frameworkPath, linkPath); } } break; case cmStateEnums::EXECUTABLE: { linkFlags += this->Makefile->GetSafeDefinition("CMAKE_EXE_LINKER_FLAGS"); linkFlags += " "; if (!buildType.empty()) { std::string build = "CMAKE_EXE_LINKER_FLAGS_"; build += buildType; linkFlags += this->Makefile->GetSafeDefinition(build); linkFlags += " "; } if (linkLanguage.empty()) { cmSystemTools::Error( "CMake can not determine linker language for target: ", target->GetName().c_str()); return; } this->AddLanguageFlagsForLinking(flags, target, linkLanguage, buildType); if (pcli) { this->OutputLinkLibraries(pcli, linkLineComputer, linkLibs, frameworkPath, linkPath); } if (cmSystemTools::IsOn( this->Makefile->GetDefinition("BUILD_SHARED_LIBS"))) { std::string sFlagVar = std::string("CMAKE_SHARED_BUILD_") + linkLanguage + std::string("_FLAGS"); linkFlags += this->Makefile->GetSafeDefinition(sFlagVar); linkFlags += " "; } if (target->GetPropertyAsBool("WIN32_EXECUTABLE")) { linkFlags += this->Makefile->GetSafeDefinition("CMAKE_CREATE_WIN32_EXE"); linkFlags += " "; } else { linkFlags += this->Makefile->GetSafeDefinition("CMAKE_CREATE_CONSOLE_EXE"); linkFlags += " "; } if (target->IsExecutableWithExports()) { std::string exportFlagVar = "CMAKE_EXE_EXPORTS_"; exportFlagVar += linkLanguage; exportFlagVar += "_FLAG"; linkFlags += this->Makefile->GetSafeDefinition(exportFlagVar); linkFlags += " "; } std::string cmp0065Flags = this->GetLinkLibsCMP0065(linkLanguage, *target); if (!cmp0065Flags.empty()) { linkFlags += cmp0065Flags; linkFlags += " "; } const char* targetLinkFlags = target->GetProperty("LINK_FLAGS"); if (targetLinkFlags) { linkFlags += targetLinkFlags; linkFlags += " "; } if (!buildType.empty()) { std::string configLinkFlags = "LINK_FLAGS_"; configLinkFlags += buildType; targetLinkFlags = target->GetProperty(configLinkFlags); if (targetLinkFlags) { linkFlags += targetLinkFlags; linkFlags += " "; } } std::vector opts; target->GetLinkOptions(opts, config, linkLanguage); // LINK_OPTIONS are escaped. this->AppendCompileOptions(linkFlags, opts); } break; default: break; } this->AppendIPOLinkerFlags(linkFlags, target, config, linkLanguage); } void cmLocalGenerator::GetTargetCompileFlags(cmGeneratorTarget* target, std::string const& config, std::string const& lang, std::string& flags) { cmMakefile* mf = this->GetMakefile(); // Add language-specific flags. this->AddLanguageFlags(flags, target, lang, config); this->AddArchitectureFlags(flags, target, lang, config); if (lang == "Fortran") { this->AppendFlags(flags, this->GetTargetFortranFlags(target, config)); } this->AddCMP0018Flags(flags, target, lang, config); this->AddVisibilityPresetFlags(flags, target, lang); this->AppendFlags(flags, mf->GetDefineFlags()); this->AppendFlags(flags, this->GetFrameworkFlags(lang, config, target)); this->AddCompileOptions(flags, target, lang, config); } static std::string GetFrameworkFlags(const std::string& lang, const std::string& config, cmGeneratorTarget* target) { cmLocalGenerator* lg = target->GetLocalGenerator(); cmMakefile* mf = lg->GetMakefile(); if (!mf->IsOn("APPLE")) { return std::string(); } std::string fwSearchFlagVar = "CMAKE_" + lang + "_FRAMEWORK_SEARCH_FLAG"; const char* fwSearchFlag = mf->GetDefinition(fwSearchFlagVar); if (!(fwSearchFlag && *fwSearchFlag)) { return std::string(); } std::set emitted; #ifdef __APPLE__ /* don't insert this when crosscompiling e.g. to iphone */ emitted.insert("/System/Library/Frameworks"); #endif std::vector includes; lg->GetIncludeDirectories(includes, target, "C", config); // check all include directories for frameworks as this // will already have added a -F for the framework for (std::string const& include : includes) { if (lg->GetGlobalGenerator()->NameResolvesToFramework(include)) { std::string frameworkDir = include; frameworkDir += "/../"; frameworkDir = cmSystemTools::CollapseFullPath(frameworkDir); emitted.insert(frameworkDir); } } std::string flags; if (cmComputeLinkInformation* cli = target->GetLinkInformation(config)) { std::vector const& frameworks = cli->GetFrameworkPaths(); for (std::string const& framework : frameworks) { if (emitted.insert(framework).second) { flags += fwSearchFlag; flags += lg->ConvertToOutputFormat(framework, cmOutputConverter::SHELL); flags += " "; } } } return flags; } std::string cmLocalGenerator::GetFrameworkFlags(std::string const& l, std::string const& config, cmGeneratorTarget* target) { return ::GetFrameworkFlags(l, config, target); } void cmLocalGenerator::GetTargetDefines(cmGeneratorTarget const* target, std::string const& config, std::string const& lang, std::set& defines) const { std::set> tmp = this->GetTargetDefines(target, config, lang); for (BT const& v : tmp) { defines.emplace(v.Value); } } std::set> cmLocalGenerator::GetTargetDefines( cmGeneratorTarget const* target, std::string const& config, std::string const& lang) const { std::set> defines; // Add the export symbol definition for shared library objects. if (const std::string* exportMacro = target->GetExportMacro()) { this->AppendDefines(defines, *exportMacro); } // Add preprocessor definitions for this target and configuration. std::vector> targetDefines = target->GetCompileDefinitions(config, lang); this->AppendDefines(defines, targetDefines); return defines; } std::string cmLocalGenerator::GetTargetFortranFlags( cmGeneratorTarget const* /*unused*/, std::string const& /*unused*/) { // Implemented by specific generators that override this. return std::string(); } /** * Output the linking rules on a command line. For executables, * targetLibrary should be a NULL pointer. For libraries, it should point * to the name of the library. This will not link a library against itself. */ void cmLocalGenerator::OutputLinkLibraries( cmComputeLinkInformation* pcli, cmLinkLineComputer* linkLineComputer, std::string& linkLibraries, std::string& frameworkPath, std::string& linkPath) { cmComputeLinkInformation& cli = *pcli; std::string linkLanguage = cli.GetLinkLanguage(); std::string libPathFlag = this->Makefile->GetRequiredDefinition("CMAKE_LIBRARY_PATH_FLAG"); std::string libPathTerminator = this->Makefile->GetSafeDefinition("CMAKE_LIBRARY_PATH_TERMINATOR"); // Add standard libraries for this language. std::string standardLibsVar = "CMAKE_"; standardLibsVar += cli.GetLinkLanguage(); standardLibsVar += "_STANDARD_LIBRARIES"; std::string stdLibString; if (const char* stdLibs = this->Makefile->GetDefinition(standardLibsVar)) { stdLibString = stdLibs; } // Append the framework search path flags. std::string fwSearchFlagVar = "CMAKE_"; fwSearchFlagVar += linkLanguage; fwSearchFlagVar += "_FRAMEWORK_SEARCH_FLAG"; std::string fwSearchFlag = this->Makefile->GetSafeDefinition(fwSearchFlagVar); frameworkPath = linkLineComputer->ComputeFrameworkPath(cli, fwSearchFlag); linkPath = linkLineComputer->ComputeLinkPath(cli, libPathFlag, libPathTerminator); linkLibraries = linkLineComputer->ComputeLinkLibraries(cli, stdLibString); } std::string cmLocalGenerator::GetLinkLibsCMP0065( std::string const& linkLanguage, cmGeneratorTarget& tgt) const { std::string linkFlags; // Flags to link an executable to shared libraries. if (tgt.GetType() == cmStateEnums::EXECUTABLE && this->StateSnapshot.GetState()->GetGlobalPropertyAsBool( "TARGET_SUPPORTS_SHARED_LIBS")) { bool add_shlib_flags = false; switch (tgt.GetPolicyStatusCMP0065()) { case cmPolicies::WARN: if (!tgt.GetPropertyAsBool("ENABLE_EXPORTS") && this->Makefile->PolicyOptionalWarningEnabled( "CMAKE_POLICY_WARNING_CMP0065")) { std::ostringstream w; /* clang-format off */ w << cmPolicies::GetPolicyWarning(cmPolicies::CMP0065) << "\n" "For compatibility with older versions of CMake, " "additional flags may be added to export symbols on all " "executables regardless of their ENABLE_EXPORTS property."; /* clang-format on */ this->IssueMessage(cmake::AUTHOR_WARNING, w.str()); } CM_FALLTHROUGH; case cmPolicies::OLD: // OLD behavior is to always add the flags add_shlib_flags = true; break; case cmPolicies::REQUIRED_IF_USED: case cmPolicies::REQUIRED_ALWAYS: this->IssueMessage( cmake::FATAL_ERROR, cmPolicies::GetRequiredPolicyError(cmPolicies::CMP0065)); CM_FALLTHROUGH; case cmPolicies::NEW: // NEW behavior is to only add the flags if ENABLE_EXPORTS is on add_shlib_flags = tgt.GetPropertyAsBool("ENABLE_EXPORTS"); break; } if (add_shlib_flags) { std::string linkFlagsVar = "CMAKE_SHARED_LIBRARY_LINK_"; linkFlagsVar += linkLanguage; linkFlagsVar += "_FLAGS"; linkFlags = this->Makefile->GetSafeDefinition(linkFlagsVar); } } return linkFlags; } void cmLocalGenerator::AddArchitectureFlags(std::string& flags, cmGeneratorTarget const* target, const std::string& lang, const std::string& config) { // Only add macOS specific flags on Darwin platforms (macOS and iOS): if (this->Makefile->IsOn("APPLE") && this->EmitUniversalBinaryFlags) { std::vector archs; target->GetAppleArchs(config, archs); const char* sysroot = this->Makefile->GetDefinition("CMAKE_OSX_SYSROOT"); if (sysroot && sysroot[0] == '/' && !sysroot[1]) { sysroot = nullptr; } std::string sysrootFlagVar = std::string("CMAKE_") + lang + "_SYSROOT_FLAG"; const char* sysrootFlag = this->Makefile->GetDefinition(sysrootFlagVar); const char* deploymentTarget = this->Makefile->GetDefinition("CMAKE_OSX_DEPLOYMENT_TARGET"); std::string deploymentTargetFlagVar = std::string("CMAKE_") + lang + "_OSX_DEPLOYMENT_TARGET_FLAG"; const char* deploymentTargetFlag = this->Makefile->GetDefinition(deploymentTargetFlagVar); if (!archs.empty() && !lang.empty() && (lang[0] == 'C' || lang[0] == 'F')) { for (std::string const& arch : archs) { flags += " -arch "; flags += arch; } } if (sysrootFlag && *sysrootFlag && sysroot && *sysroot) { flags += " "; flags += sysrootFlag; flags += " "; flags += this->ConvertToOutputFormat(sysroot, SHELL); } if (deploymentTargetFlag && *deploymentTargetFlag && deploymentTarget && *deploymentTarget) { flags += " "; flags += deploymentTargetFlag; flags += deploymentTarget; } } } void cmLocalGenerator::AddLanguageFlags(std::string& flags, cmGeneratorTarget const* target, const std::string& lang, const std::string& config) { // Add language-specific flags. std::string flagsVar = "CMAKE_"; flagsVar += lang; flagsVar += "_FLAGS"; this->AddConfigVariableFlags(flags, flagsVar, config); if (target->IsIPOEnabled(lang, config)) { this->AppendFeatureOptions(flags, lang, "IPO"); } } void cmLocalGenerator::AddLanguageFlagsForLinking( std::string& flags, cmGeneratorTarget const* target, const std::string& lang, const std::string& config) { if (this->Makefile->IsOn("CMAKE_" + lang + "_LINK_WITH_STANDARD_COMPILE_OPTION")) { // This toolchain requires use of the language standard flag // when linking in order to use the matching standard library. // FIXME: If CMake gains an abstraction for standard library // selection, this will have to be reconciled with it. this->AddCompilerRequirementFlag(flags, target, lang); } this->AddLanguageFlags(flags, target, lang, config); } cmGeneratorTarget* cmLocalGenerator::FindGeneratorTargetToUse( const std::string& name) const { GeneratorTargetMap::const_iterator imported = this->ImportedGeneratorTargets.find(name); if (imported != this->ImportedGeneratorTargets.end()) { return imported->second; } if (cmGeneratorTarget* t = this->FindLocalNonAliasGeneratorTarget(name)) { return t; } return this->GetGlobalGenerator()->FindGeneratorTarget(name); } bool cmLocalGenerator::GetRealDependency(const std::string& inName, const std::string& config, std::string& dep) { // Older CMake code may specify the dependency using the target // output file rather than the target name. Such code would have // been written before there was support for target properties that // modify the name so stripping down to just the file name should // produce the target name in this case. std::string name = cmSystemTools::GetFilenameName(inName); // If the input name is the empty string, there is no real // dependency. Short-circuit the other checks: if (name.empty()) { return false; } if (cmSystemTools::GetFilenameLastExtension(name) == ".exe") { name = cmSystemTools::GetFilenameWithoutLastExtension(name); } // Look for a CMake target with the given name. if (cmGeneratorTarget* target = this->FindGeneratorTargetToUse(name)) { // make sure it is not just a coincidence that the target name // found is part of the inName if (cmSystemTools::FileIsFullPath(inName)) { std::string tLocation; if (target->GetType() >= cmStateEnums::EXECUTABLE && target->GetType() <= cmStateEnums::MODULE_LIBRARY) { tLocation = target->GetLocation(config); tLocation = cmSystemTools::GetFilenamePath(tLocation); tLocation = cmSystemTools::CollapseFullPath(tLocation); } std::string depLocation = cmSystemTools::GetFilenamePath(std::string(inName)); depLocation = cmSystemTools::CollapseFullPath(depLocation); if (depLocation != tLocation) { // it is a full path to a depend that has the same name // as a target but is in a different location so do not use // the target as the depend dep = inName; return true; } } switch (target->GetType()) { case cmStateEnums::EXECUTABLE: case cmStateEnums::STATIC_LIBRARY: case cmStateEnums::SHARED_LIBRARY: case cmStateEnums::MODULE_LIBRARY: case cmStateEnums::UNKNOWN_LIBRARY: dep = target->GetLocation(config); return true; case cmStateEnums::OBJECT_LIBRARY: // An object library has no single file on which to depend. // This was listed to get the target-level dependency. return false; case cmStateEnums::INTERFACE_LIBRARY: // An interface library has no file on which to depend. // This was listed to get the target-level dependency. return false; case cmStateEnums::UTILITY: case cmStateEnums::GLOBAL_TARGET: // A utility target has no file on which to depend. This was listed // only to get the target-level dependency. return false; } } // The name was not that of a CMake target. It must name a file. if (cmSystemTools::FileIsFullPath(inName)) { // This is a full path. Return it as given. dep = inName; return true; } // Check for a source file in this directory that matches the // dependency. if (cmSourceFile* sf = this->Makefile->GetSource(inName)) { dep = sf->GetFullPath(); return true; } // Treat the name as relative to the source directory in which it // was given. dep = this->StateSnapshot.GetDirectory().GetCurrentSource(); dep += "/"; dep += inName; return true; } void cmLocalGenerator::AddSharedFlags(std::string& flags, const std::string& lang, bool shared) { std::string flagsVar; // Add flags for dealing with shared libraries for this language. if (shared) { flagsVar = "CMAKE_SHARED_LIBRARY_"; flagsVar += lang; flagsVar += "_FLAGS"; this->AppendFlags(flags, this->Makefile->GetDefinition(flagsVar)); } } void cmLocalGenerator::AddCompilerRequirementFlag( std::string& flags, cmGeneratorTarget const* target, const std::string& lang) { if (lang.empty()) { return; } const char* defaultStd = this->Makefile->GetDefinition("CMAKE_" + lang + "_STANDARD_DEFAULT"); if (!defaultStd || !*defaultStd) { // This compiler has no notion of language standard levels. return; } std::string extProp = lang + "_EXTENSIONS"; bool ext = true; if (const char* extPropValue = target->GetProperty(extProp)) { if (cmSystemTools::IsOff(extPropValue)) { ext = false; } } std::string stdProp = lang + "_STANDARD"; const char* standardProp = target->GetProperty(stdProp); if (!standardProp) { if (ext) { // No language standard is specified and extensions are not disabled. // Check if this compiler needs a flag to enable extensions. std::string const option_flag = "CMAKE_" + lang + "_EXTENSION_COMPILE_OPTION"; if (const char* opt = target->Target->GetMakefile()->GetDefinition(option_flag)) { std::vector optVec; cmSystemTools::ExpandListArgument(opt, optVec); for (std::string const& i : optVec) { this->AppendFlagEscape(flags, i); } } } return; } std::string const type = ext ? "EXTENSION" : "STANDARD"; if (target->GetPropertyAsBool(lang + "_STANDARD_REQUIRED")) { std::string option_flag = "CMAKE_" + lang + standardProp + "_" + type + "_COMPILE_OPTION"; const char* opt = target->Target->GetMakefile()->GetDefinition(option_flag); if (!opt) { std::ostringstream e; e << "Target \"" << target->GetName() << "\" requires the language " "dialect \"" << lang << standardProp << "\" " << (ext ? "(with compiler extensions)" : "") << ", but CMake " "does not know the compile flags to use to enable it."; this->IssueMessage(cmake::FATAL_ERROR, e.str()); } else { std::vector optVec; cmSystemTools::ExpandListArgument(opt, optVec); for (std::string const& i : optVec) { this->AppendFlagEscape(flags, i); } } return; } static std::map> langStdMap; if (langStdMap.empty()) { // Maintain sorted order, most recent first. langStdMap["CXX"].push_back("20"); langStdMap["CXX"].push_back("17"); langStdMap["CXX"].push_back("14"); langStdMap["CXX"].push_back("11"); langStdMap["CXX"].push_back("98"); langStdMap["C"].push_back("11"); langStdMap["C"].push_back("99"); langStdMap["C"].push_back("90"); langStdMap["CUDA"].push_back("14"); langStdMap["CUDA"].push_back("11"); langStdMap["CUDA"].push_back("98"); } std::string standard(standardProp); std::vector& stds = langStdMap[lang]; std::vector::const_iterator stdIt = std::find(stds.begin(), stds.end(), standard); if (stdIt == stds.end()) { std::string e = lang + "_STANDARD is set to invalid value '" + standard + "'"; this->GetGlobalGenerator()->GetCMakeInstance()->IssueMessage( cmake::FATAL_ERROR, e, target->GetBacktrace()); return; } std::vector::const_iterator defaultStdIt = std::find(stds.begin(), stds.end(), defaultStd); if (defaultStdIt == stds.end()) { std::string e = "CMAKE_" + lang + "_STANDARD_DEFAULT is set to invalid value '" + std::string(defaultStd) + "'"; this->IssueMessage(cmake::INTERNAL_ERROR, e); return; } // If the standard requested is older than the compiler's default // then we need to use a flag to change it. The comparison is // greater-or-equal because the standards are stored in backward // chronological order. if (stdIt >= defaultStdIt) { std::string option_flag = "CMAKE_" + lang + *stdIt + "_" + type + "_COMPILE_OPTION"; std::string const& opt = target->Target->GetMakefile()->GetRequiredDefinition(option_flag); std::vector optVec; cmSystemTools::ExpandListArgument(opt, optVec); for (std::string const& i : optVec) { this->AppendFlagEscape(flags, i); } return; } // The standard requested is at least as new as the compiler's default, // and the standard request is not required. Decay to the newest standard // for which a flag is defined. for (; stdIt < defaultStdIt; ++stdIt) { std::string option_flag = "CMAKE_" + lang + *stdIt + "_" + type + "_COMPILE_OPTION"; if (const char* opt = target->Target->GetMakefile()->GetDefinition(option_flag)) { std::vector optVec; cmSystemTools::ExpandListArgument(opt, optVec); for (std::string const& i : optVec) { this->AppendFlagEscape(flags, i); } return; } } } static void AddVisibilityCompileOption(std::string& flags, cmGeneratorTarget const* target, cmLocalGenerator* lg, const std::string& lang, std::string* warnCMP0063) { std::string compileOption = "CMAKE_" + lang + "_COMPILE_OPTIONS_VISIBILITY"; const char* opt = lg->GetMakefile()->GetDefinition(compileOption); if (!opt) { return; } std::string flagDefine = lang + "_VISIBILITY_PRESET"; const char* prop = target->GetProperty(flagDefine); if (!prop) { return; } if (warnCMP0063) { *warnCMP0063 += " " + flagDefine + "\n"; return; } if (strcmp(prop, "hidden") != 0 && strcmp(prop, "default") != 0 && strcmp(prop, "protected") != 0 && strcmp(prop, "internal") != 0) { std::ostringstream e; e << "Target " << target->GetName() << " uses unsupported value \"" << prop << "\" for " << flagDefine << "."; cmSystemTools::Error(e.str().c_str()); return; } std::string option = std::string(opt) + prop; lg->AppendFlags(flags, option); } static void AddInlineVisibilityCompileOption(std::string& flags, cmGeneratorTarget const* target, cmLocalGenerator* lg, std::string* warnCMP0063) { std::string compileOption = "CMAKE_CXX_COMPILE_OPTIONS_VISIBILITY_INLINES_HIDDEN"; const char* opt = lg->GetMakefile()->GetDefinition(compileOption); if (!opt) { return; } bool prop = target->GetPropertyAsBool("VISIBILITY_INLINES_HIDDEN"); if (!prop) { return; } if (warnCMP0063) { *warnCMP0063 += " VISIBILITY_INLINES_HIDDEN\n"; return; } lg->AppendFlags(flags, opt); } void cmLocalGenerator::AddVisibilityPresetFlags( std::string& flags, cmGeneratorTarget const* target, const std::string& lang) { if (lang.empty()) { return; } std::string warnCMP0063; std::string* pWarnCMP0063 = nullptr; if (target->GetType() != cmStateEnums::SHARED_LIBRARY && target->GetType() != cmStateEnums::MODULE_LIBRARY && !target->IsExecutableWithExports()) { switch (target->GetPolicyStatusCMP0063()) { case cmPolicies::OLD: return; case cmPolicies::WARN: pWarnCMP0063 = &warnCMP0063; break; default: break; } } AddVisibilityCompileOption(flags, target, this, lang, pWarnCMP0063); if (lang == "CXX") { AddInlineVisibilityCompileOption(flags, target, this, pWarnCMP0063); } if (!warnCMP0063.empty() && this->WarnCMP0063.insert(target).second) { std::ostringstream w; /* clang-format off */ w << cmPolicies::GetPolicyWarning(cmPolicies::CMP0063) << "\n" "Target \"" << target->GetName() << "\" of " "type \"" << cmState::GetTargetTypeName(target->GetType()) << "\" " "has the following visibility properties set for " << lang << ":\n" << warnCMP0063 << "For compatibility CMake is not honoring them for this target."; /* clang-format on */ target->GetLocalGenerator()->GetCMakeInstance()->IssueMessage( cmake::AUTHOR_WARNING, w.str(), target->GetBacktrace()); } } void cmLocalGenerator::AddCMP0018Flags(std::string& flags, cmGeneratorTarget const* target, std::string const& lang, const std::string& config) { int targetType = target->GetType(); bool shared = ((targetType == cmStateEnums::SHARED_LIBRARY) || (targetType == cmStateEnums::MODULE_LIBRARY)); if (this->GetShouldUseOldFlags(shared, lang)) { this->AddSharedFlags(flags, lang, shared); } else { if (target->GetType() == cmStateEnums::OBJECT_LIBRARY) { if (target->GetPropertyAsBool("POSITION_INDEPENDENT_CODE")) { this->AddPositionIndependentFlags(flags, lang, targetType); } return; } if (target->GetLinkInterfaceDependentBoolProperty( "POSITION_INDEPENDENT_CODE", config)) { this->AddPositionIndependentFlags(flags, lang, targetType); } if (shared) { this->AppendFeatureOptions(flags, lang, "DLL"); } } } bool cmLocalGenerator::GetShouldUseOldFlags(bool shared, const std::string& lang) const { std::string originalFlags = this->GlobalGenerator->GetSharedLibFlagsForLanguage(lang); if (shared) { std::string flagsVar = "CMAKE_SHARED_LIBRARY_"; flagsVar += lang; flagsVar += "_FLAGS"; std::string const& flags = this->Makefile->GetSafeDefinition(flagsVar); if (flags != originalFlags) { switch (this->GetPolicyStatus(cmPolicies::CMP0018)) { case cmPolicies::WARN: { std::ostringstream e; e << "Variable " << flagsVar << " has been modified. CMake " "will ignore the POSITION_INDEPENDENT_CODE target property for " "shared libraries and will use the " << flagsVar << " variable " "instead. This may cause errors if the original content of " << flagsVar << " was removed.\n" << cmPolicies::GetPolicyWarning(cmPolicies::CMP0018); this->IssueMessage(cmake::AUTHOR_WARNING, e.str()); CM_FALLTHROUGH; } case cmPolicies::OLD: return true; case cmPolicies::REQUIRED_IF_USED: case cmPolicies::REQUIRED_ALWAYS: case cmPolicies::NEW: return false; } } } return false; } void cmLocalGenerator::AddPositionIndependentFlags(std::string& flags, std::string const& lang, int targetType) { std::string picFlags; if (targetType == cmStateEnums::EXECUTABLE) { std::string flagsVar = "CMAKE_"; flagsVar += lang; flagsVar += "_COMPILE_OPTIONS_PIE"; picFlags = this->Makefile->GetSafeDefinition(flagsVar); } if (picFlags.empty()) { std::string flagsVar = "CMAKE_"; flagsVar += lang; flagsVar += "_COMPILE_OPTIONS_PIC"; picFlags = this->Makefile->GetSafeDefinition(flagsVar); } if (!picFlags.empty()) { std::vector options; cmSystemTools::ExpandListArgument(picFlags, options); for (std::string const& o : options) { this->AppendFlagEscape(flags, o); } } } void cmLocalGenerator::AddConfigVariableFlags(std::string& flags, const std::string& var, const std::string& config) { // Add the flags from the variable itself. std::string flagsVar = var; this->AppendFlags(flags, this->Makefile->GetDefinition(flagsVar)); // Add the flags from the build-type specific variable. if (!config.empty()) { flagsVar += "_"; flagsVar += cmSystemTools::UpperCase(config); this->AppendFlags(flags, this->Makefile->GetDefinition(flagsVar)); } } void cmLocalGenerator::AppendFlags(std::string& flags, const std::string& newFlags) const { if (!newFlags.empty()) { if (!flags.empty()) { flags += " "; } flags += newFlags; } } void cmLocalGenerator::AppendFlags(std::string& flags, const char* newFlags) const { if (newFlags && *newFlags) { this->AppendFlags(flags, std::string(newFlags)); } } void cmLocalGenerator::AppendFlagEscape(std::string& flags, const std::string& rawFlag) const { this->AppendFlags(flags, this->EscapeForShell(rawFlag)); } void cmLocalGenerator::AppendIPOLinkerFlags(std::string& flags, cmGeneratorTarget* target, const std::string& config, const std::string& lang) { if (!target->IsIPOEnabled(lang, config)) { return; } switch (target->GetType()) { case cmStateEnums::EXECUTABLE: case cmStateEnums::SHARED_LIBRARY: case cmStateEnums::MODULE_LIBRARY: break; default: return; } const std::string name = "CMAKE_" + lang + "_LINK_OPTIONS_IPO"; const char* rawFlagsList = this->Makefile->GetDefinition(name); if (rawFlagsList == nullptr) { return; } std::vector flagsList; cmSystemTools::ExpandListArgument(rawFlagsList, flagsList); for (std::string const& o : flagsList) { this->AppendFlagEscape(flags, o); } } void cmLocalGenerator::AppendCompileOptions(std::string& options, const char* options_list, const char* regex) const { // Short-circuit if there are no options. if (!options_list) { return; } // Expand the list of options. std::vector options_vec; cmSystemTools::ExpandListArgument(options_list, options_vec); this->AppendCompileOptions(options, options_vec, regex); } void cmLocalGenerator::AppendCompileOptions( std::string& options, const std::vector& options_vec, const char* regex) const { if (regex != nullptr) { // Filter flags upon specified reges. cmsys::RegularExpression r(regex); for (std::string const& opt : options_vec) { if (r.find(opt)) { this->AppendFlagEscape(options, opt); } } } else { for (std::string const& opt : options_vec) { this->AppendFlagEscape(options, opt); } } } void cmLocalGenerator::AppendIncludeDirectories( std::vector& includes, const char* includes_list, const cmSourceFile& sourceFile) const { // Short-circuit if there are no includes. if (!includes_list) { return; } // Expand the list of includes. std::vector includes_vec; cmSystemTools::ExpandListArgument(includes_list, includes_vec); this->AppendIncludeDirectories(includes, includes_vec, sourceFile); } void cmLocalGenerator::AppendIncludeDirectories( std::vector& includes, const std::vector& includes_vec, const cmSourceFile& sourceFile) const { std::unordered_set uniqueIncludes; for (const std::string& include : includes_vec) { if (!cmSystemTools::FileIsFullPath(include)) { std::ostringstream e; e << "Found relative path while evaluating include directories of " "\"" << sourceFile.GetLocation().GetName() << "\":\n \"" << include << "\"\n"; this->IssueMessage(cmake::FATAL_ERROR, e.str()); return; } std::string inc = include; if (!cmSystemTools::IsOff(inc)) { cmSystemTools::ConvertToUnixSlashes(inc); } if (uniqueIncludes.insert(inc).second) { includes.push_back(std::move(inc)); } } } void cmLocalGenerator::AppendDefines(std::set& defines, const char* defines_list) const { std::set> tmp; this->AppendDefines(tmp, ExpandListWithBacktrace(defines_list)); for (BT const& i : tmp) { defines.emplace(i.Value); } } void cmLocalGenerator::AppendDefines(std::set>& defines, const char* defines_list) const { // Short-circuit if there are no definitions. if (!defines_list) { return; } // Expand the list of definitions. this->AppendDefines(defines, ExpandListWithBacktrace(defines_list)); } void cmLocalGenerator::AppendDefines( std::set>& defines, const std::vector>& defines_vec) const { for (BT const& d : defines_vec) { // Skip unsupported definitions. if (!this->CheckDefinition(d.Value)) { continue; } defines.insert(d); } } void cmLocalGenerator::JoinDefines(const std::set& defines, std::string& definesString, const std::string& lang) { // Lookup the define flag for the current language. std::string dflag = "-D"; if (!lang.empty()) { std::string defineFlagVar = "CMAKE_"; defineFlagVar += lang; defineFlagVar += "_DEFINE_FLAG"; const char* df = this->Makefile->GetDefinition(defineFlagVar); if (df && *df) { dflag = df; } } std::set::const_iterator defineIt = defines.begin(); const std::set::const_iterator defineEnd = defines.end(); const char* itemSeparator = definesString.empty() ? "" : " "; for (; defineIt != defineEnd; ++defineIt) { // Append the definition with proper escaping. std::string def = dflag; if (this->GetState()->UseWatcomWMake()) { // The Watcom compiler does its own command line parsing instead // of using the windows shell rules. Definitions are one of // -DNAME // -DNAME= // -DNAME="c-string with spaces and other characters(?@#$)" // // Watcom will properly parse each of these cases from the // command line without any escapes. However we still have to // get the '$' and '#' characters through WMake as '$$' and // '$#'. for (const char* c = defineIt->c_str(); *c; ++c) { if (*c == '$' || *c == '#') { def += '$'; } def += *c; } } else { // Make the definition appear properly on the command line. Use // -DNAME="value" instead of -D"NAME=value" for historical reasons. std::string::size_type eq = defineIt->find("="); def += defineIt->substr(0, eq); if (eq != std::string::npos) { def += "="; def += this->EscapeForShell(defineIt->c_str() + eq + 1, true); } } definesString += itemSeparator; itemSeparator = " "; definesString += def; } } void cmLocalGenerator::AppendFeatureOptions(std::string& flags, const std::string& lang, const char* feature) { std::string optVar = "CMAKE_"; optVar += lang; optVar += "_COMPILE_OPTIONS_"; optVar += feature; if (const char* optionList = this->Makefile->GetDefinition(optVar)) { std::vector options; cmSystemTools::ExpandListArgument(optionList, options); for (std::string const& o : options) { this->AppendFlagEscape(flags, o); } } } const char* cmLocalGenerator::GetFeature(const std::string& feature, const std::string& config) { std::string featureName = feature; // TODO: Define accumulation policy for features (prepend, append, replace). // Currently we always replace. if (!config.empty()) { featureName += "_"; featureName += cmSystemTools::UpperCase(config); } cmStateSnapshot snp = this->StateSnapshot; while (snp.IsValid()) { if (const char* value = snp.GetDirectory().GetProperty(featureName)) { return value; } snp = snp.GetBuildsystemDirectoryParent(); } return nullptr; } std::string cmLocalGenerator::GetProjectName() const { return this->StateSnapshot.GetProjectName(); } std::string cmLocalGenerator::ConstructComment( cmCustomCommandGenerator const& ccg, const char* default_comment) { // Check for a comment provided with the command. if (ccg.GetComment()) { return ccg.GetComment(); } // Construct a reasonable default comment if possible. if (!ccg.GetOutputs().empty()) { std::string comment; comment = "Generating "; const char* sep = ""; std::string currentBinaryDir = this->GetCurrentBinaryDirectory(); for (std::string const& o : ccg.GetOutputs()) { comment += sep; comment += this->ConvertToRelativePath(currentBinaryDir, o); sep = ", "; } return comment; } // Otherwise use the provided default. return default_comment; } class cmInstallTargetGeneratorLocal : public cmInstallTargetGenerator { public: cmInstallTargetGeneratorLocal(cmLocalGenerator* lg, std::string const& t, const char* dest, bool implib) : cmInstallTargetGenerator( t, dest, implib, "", std::vector(), "Unspecified", cmInstallGenerator::SelectMessageLevel(lg->GetMakefile()), false, false) { this->Compute(lg); } }; void cmLocalGenerator::GenerateTargetInstallRules( std::ostream& os, const std::string& config, std::vector const& configurationTypes) { // Convert the old-style install specification from each target to // an install generator and run it. const std::vector& tgts = this->GetGeneratorTargets(); for (cmGeneratorTarget* l : tgts) { if (l->GetType() == cmStateEnums::INTERFACE_LIBRARY) { continue; } // Include the user-specified pre-install script for this target. if (const char* preinstall = l->GetProperty("PRE_INSTALL_SCRIPT")) { cmInstallScriptGenerator g(preinstall, false, nullptr, false); g.Generate(os, config, configurationTypes); } // Install this target if a destination is given. if (!l->Target->GetInstallPath().empty()) { // Compute the full install destination. Note that converting // to unix slashes also removes any trailing slash. // We also skip over the leading slash given by the user. std::string destination = l->Target->GetInstallPath().substr(1); cmSystemTools::ConvertToUnixSlashes(destination); if (destination.empty()) { destination = "."; } // Generate the proper install generator for this target type. switch (l->GetType()) { case cmStateEnums::EXECUTABLE: case cmStateEnums::STATIC_LIBRARY: case cmStateEnums::MODULE_LIBRARY: { // Use a target install generator. cmInstallTargetGeneratorLocal g(this, l->GetName(), destination.c_str(), false); g.Generate(os, config, configurationTypes); } break; case cmStateEnums::SHARED_LIBRARY: { #if defined(_WIN32) || defined(__CYGWIN__) // Special code to handle DLL. Install the import library // to the normal destination and the DLL to the runtime // destination. cmInstallTargetGeneratorLocal g1(this, l->GetName(), destination.c_str(), true); g1.Generate(os, config, configurationTypes); // We also skip over the leading slash given by the user. destination = l->Target->GetRuntimeInstallPath().substr(1); cmSystemTools::ConvertToUnixSlashes(destination); cmInstallTargetGeneratorLocal g2(this, l->GetName(), destination.c_str(), false); g2.Generate(os, config, configurationTypes); #else // Use a target install generator. cmInstallTargetGeneratorLocal g(this, l->GetName(), destination.c_str(), false); g.Generate(os, config, configurationTypes); #endif } break; default: break; } } // Include the user-specified post-install script for this target. if (const char* postinstall = l->GetProperty("POST_INSTALL_SCRIPT")) { cmInstallScriptGenerator g(postinstall, false, nullptr, false); g.Generate(os, config, configurationTypes); } } } #if defined(CM_LG_ENCODE_OBJECT_NAMES) static bool cmLocalGeneratorShortenObjectName(std::string& objName, std::string::size_type max_len) { // Replace the beginning of the path portion of the object name with // its own md5 sum. std::string::size_type pos = objName.find('/', objName.size() - max_len + 32); if (pos != std::string::npos) { cmCryptoHash md5(cmCryptoHash::AlgoMD5); std::string md5name = md5.HashString(objName.substr(0, pos)); md5name += objName.substr(pos); objName = md5name; // The object name is now short enough. return true; } // The object name could not be shortened enough. return false; } bool cmLocalGeneratorCheckObjectName(std::string& objName, std::string::size_type dir_len, std::string::size_type max_total_len) { // Enforce the maximum file name length if possible. std::string::size_type max_obj_len = max_total_len; if (dir_len < max_total_len) { max_obj_len = max_total_len - dir_len; if (objName.size() > max_obj_len) { // The current object file name is too long. Try to shorten it. return cmLocalGeneratorShortenObjectName(objName, max_obj_len); } // The object file name is short enough. return true; } // The build directory in which the object will be stored is // already too deep. return false; } #endif std::string& cmLocalGenerator::CreateSafeUniqueObjectFileName( const std::string& sin, std::string const& dir_max) { // Look for an existing mapped name for this object file. std::map::iterator it = this->UniqueObjectNamesMap.find(sin); // If no entry exists create one. if (it == this->UniqueObjectNamesMap.end()) { // Start with the original name. std::string ssin = sin; // Avoid full paths by removing leading slashes. ssin.erase(0, ssin.find_first_not_of('/')); // Avoid full paths by removing colons. std::replace(ssin.begin(), ssin.end(), ':', '_'); // Avoid relative paths that go up the tree. cmSystemTools::ReplaceString(ssin, "../", "__/"); // Avoid spaces. std::replace(ssin.begin(), ssin.end(), ' ', '_'); // Mangle the name if necessary. if (this->Makefile->IsOn("CMAKE_MANGLE_OBJECT_FILE_NAMES")) { bool done; int cc = 0; char rpstr[100]; sprintf(rpstr, "_p_"); cmSystemTools::ReplaceString(ssin, "+", rpstr); std::string sssin = sin; do { done = true; for (it = this->UniqueObjectNamesMap.begin(); it != this->UniqueObjectNamesMap.end(); ++it) { if (it->second == ssin) { done = false; } } if (done) { break; } sssin = ssin; cmSystemTools::ReplaceString(ssin, "_p_", rpstr); sprintf(rpstr, "_p%d_", cc++); } while (!done); } #if defined(CM_LG_ENCODE_OBJECT_NAMES) if (!cmLocalGeneratorCheckObjectName(ssin, dir_max.size(), this->ObjectPathMax)) { // Warn if this is the first time the path has been seen. if (this->ObjectMaxPathViolations.insert(dir_max).second) { std::ostringstream m; /* clang-format off */ m << "The object file directory\n" << " " << dir_max << "\n" << "has " << dir_max.size() << " characters. " << "The maximum full path to an object file is " << this->ObjectPathMax << " characters " << "(see CMAKE_OBJECT_PATH_MAX). " << "Object file\n" << " " << ssin << "\n" << "cannot be safely placed under this directory. " << "The build may not work correctly."; /* clang-format on */ this->IssueMessage(cmake::WARNING, m.str()); } } #else (void)dir_max; #endif // Insert the newly mapped object file name. std::map::value_type e(sin, ssin); it = this->UniqueObjectNamesMap.insert(e).first; } // Return the map entry. return it->second; } void cmLocalGenerator::ComputeObjectFilenames( std::map& /*unused*/, cmGeneratorTarget const* /*unused*/) { } bool cmLocalGenerator::IsWindowsShell() const { return this->GetState()->UseWindowsShell(); } bool cmLocalGenerator::IsWatcomWMake() const { return this->GetState()->UseWatcomWMake(); } bool cmLocalGenerator::IsMinGWMake() const { return this->GetState()->UseMinGWMake(); } bool cmLocalGenerator::IsNMake() const { return this->GetState()->UseNMake(); } std::string cmLocalGenerator::GetObjectFileNameWithoutTarget( const cmSourceFile& source, std::string const& dir_max, bool* hasSourceExtension, char const* customOutputExtension) { // Construct the object file name using the full path to the source // file which is its only unique identification. std::string const& fullPath = source.GetFullPath(); // Try referencing the source relative to the source tree. std::string relFromSource = this->ConvertToRelativePath(this->GetCurrentSourceDirectory(), fullPath); assert(!relFromSource.empty()); bool relSource = !cmSystemTools::FileIsFullPath(relFromSource); bool subSource = relSource && relFromSource[0] != '.'; // Try referencing the source relative to the binary tree. std::string relFromBinary = this->ConvertToRelativePath(this->GetCurrentBinaryDirectory(), fullPath); assert(!relFromBinary.empty()); bool relBinary = !cmSystemTools::FileIsFullPath(relFromBinary); bool subBinary = relBinary && relFromBinary[0] != '.'; // Select a nice-looking reference to the source file to construct // the object file name. std::string objectName; if ((relSource && !relBinary) || (subSource && !subBinary)) { objectName = relFromSource; } else if ((relBinary && !relSource) || (subBinary && !subSource)) { objectName = relFromBinary; } else if (relFromBinary.length() < relFromSource.length()) { objectName = relFromBinary; } else { objectName = relFromSource; } // if it is still a full path check for the try compile case // try compile never have in source sources, and should not // have conflicting source file names in the same target if (cmSystemTools::FileIsFullPath(objectName)) { if (this->GetGlobalGenerator()->GetCMakeInstance()->GetIsInTryCompile()) { objectName = cmSystemTools::GetFilenameName(source.GetFullPath()); } } // Replace the original source file extension with the object file // extension. bool keptSourceExtension = true; if (!source.GetPropertyAsBool("KEEP_EXTENSION")) { // Decide whether this language wants to replace the source // extension with the object extension. For CMake 2.4 // compatibility do this by default. bool replaceExt = this->NeedBackwardsCompatibility_2_4(); if (!replaceExt) { std::string lang = source.GetLanguage(); if (!lang.empty()) { std::string repVar = "CMAKE_"; repVar += lang; repVar += "_OUTPUT_EXTENSION_REPLACE"; replaceExt = this->Makefile->IsOn(repVar); } } // Remove the source extension if it is to be replaced. if (replaceExt || customOutputExtension) { keptSourceExtension = false; std::string::size_type dot_pos = objectName.rfind('.'); if (dot_pos != std::string::npos) { objectName = objectName.substr(0, dot_pos); } } // Store the new extension. if (customOutputExtension) { objectName += customOutputExtension; } else { objectName += this->GlobalGenerator->GetLanguageOutputExtension(source); } } if (hasSourceExtension) { *hasSourceExtension = keptSourceExtension; } // Convert to a safe name. return this->CreateSafeUniqueObjectFileName(objectName, dir_max); } std::string cmLocalGenerator::GetSourceFileLanguage(const cmSourceFile& source) { return source.GetLanguage(); } cmake* cmLocalGenerator::GetCMakeInstance() const { return this->GlobalGenerator->GetCMakeInstance(); } std::string const& cmLocalGenerator::GetSourceDirectory() const { return this->GetCMakeInstance()->GetHomeDirectory(); } std::string const& cmLocalGenerator::GetBinaryDirectory() const { return this->GetCMakeInstance()->GetHomeOutputDirectory(); } std::string const& cmLocalGenerator::GetCurrentBinaryDirectory() const { return this->StateSnapshot.GetDirectory().GetCurrentBinary(); } std::string const& cmLocalGenerator::GetCurrentSourceDirectory() const { return this->StateSnapshot.GetDirectory().GetCurrentSource(); } std::string cmLocalGenerator::GetTargetDirectory( const cmGeneratorTarget* /*unused*/) const { cmSystemTools::Error("GetTargetDirectory" " called on cmLocalGenerator"); return ""; } KWIML_INT_uint64_t cmLocalGenerator::GetBackwardsCompatibility() { // The computed version may change until the project is fully // configured. if (!this->BackwardsCompatibilityFinal) { unsigned int major = 0; unsigned int minor = 0; unsigned int patch = 0; if (const char* value = this->Makefile->GetDefinition("CMAKE_BACKWARDS_COMPATIBILITY")) { switch (sscanf(value, "%u.%u.%u", &major, &minor, &patch)) { case 2: patch = 0; break; case 1: minor = 0; patch = 0; break; default: break; } } this->BackwardsCompatibility = CMake_VERSION_ENCODE(major, minor, patch); this->BackwardsCompatibilityFinal = true; } return this->BackwardsCompatibility; } bool cmLocalGenerator::NeedBackwardsCompatibility_2_4() { // Check the policy to decide whether to pay attention to this // variable. switch (this->GetPolicyStatus(cmPolicies::CMP0001)) { case cmPolicies::WARN: // WARN is just OLD without warning because user code does not // always affect whether this check is done. case cmPolicies::OLD: // Old behavior is to check the variable. break; case cmPolicies::NEW: // New behavior is to ignore the variable. return false; case cmPolicies::REQUIRED_IF_USED: case cmPolicies::REQUIRED_ALWAYS: // This will never be the case because the only way to require // the setting is to require the user to specify version policy // 2.6 or higher. Once we add that requirement then this whole // method can be removed anyway. return false; } // Compatibility is needed if CMAKE_BACKWARDS_COMPATIBILITY is set // equal to or lower than the given version. KWIML_INT_uint64_t actual_compat = this->GetBackwardsCompatibility(); return (actual_compat && actual_compat <= CMake_VERSION_ENCODE(2, 4, 255)); } cmPolicies::PolicyStatus cmLocalGenerator::GetPolicyStatus( cmPolicies::PolicyID id) const { return this->Makefile->GetPolicyStatus(id); } bool cmLocalGenerator::CheckDefinition(std::string const& define) const { // Many compilers do not support -DNAME(arg)=sdf so we disable it. std::string::size_type pos = define.find_first_of("(="); if (pos != std::string::npos) { if (define[pos] == '(') { std::ostringstream e; /* clang-format off */ e << "WARNING: Function-style preprocessor definitions may not be " << "passed on the compiler command line because many compilers " << "do not support it.\n" << "CMake is dropping a preprocessor definition: " << define << "\n" << "Consider defining the macro in a (configured) header file.\n"; /* clang-format on */ cmSystemTools::Message(e.str().c_str()); return false; } } // Many compilers do not support # in the value so we disable it. if (define.find_first_of('#') != std::string::npos) { std::ostringstream e; /* clang-format off */ e << "WARNING: Preprocessor definitions containing '#' may not be " << "passed on the compiler command line because many compilers " << "do not support it.\n" << "CMake is dropping a preprocessor definition: " << define << "\n" << "Consider defining the macro in a (configured) header file.\n"; /* clang-format on */ cmSystemTools::Message(e.str().c_str()); return false; } // Assume it is supported. return true; } static void cmLGInfoProp(cmMakefile* mf, cmGeneratorTarget* target, const std::string& prop) { if (const char* val = target->GetProperty(prop)) { mf->AddDefinition(prop, val); } } void cmLocalGenerator::GenerateAppleInfoPList(cmGeneratorTarget* target, const std::string& targetName, const char* fname) { // Find the Info.plist template. const char* in = target->GetProperty("MACOSX_BUNDLE_INFO_PLIST"); std::string inFile = (in && *in) ? in : "MacOSXBundleInfo.plist.in"; if (!cmSystemTools::FileIsFullPath(inFile)) { std::string inMod = this->Makefile->GetModulesFile(inFile.c_str()); if (!inMod.empty()) { inFile = inMod; } } if (!cmSystemTools::FileExists(inFile, true)) { std::ostringstream e; e << "Target " << target->GetName() << " Info.plist template \"" << inFile << "\" could not be found."; cmSystemTools::Error(e.str().c_str()); return; } // Convert target properties to variables in an isolated makefile // scope to configure the file. If properties are set they will // override user make variables. If not the configuration will fall // back to the directory-level values set by the user. cmMakefile* mf = this->Makefile; cmMakefile::ScopePushPop varScope(mf); mf->AddDefinition("MACOSX_BUNDLE_EXECUTABLE_NAME", targetName.c_str()); cmLGInfoProp(mf, target, "MACOSX_BUNDLE_INFO_STRING"); cmLGInfoProp(mf, target, "MACOSX_BUNDLE_ICON_FILE"); cmLGInfoProp(mf, target, "MACOSX_BUNDLE_GUI_IDENTIFIER"); cmLGInfoProp(mf, target, "MACOSX_BUNDLE_LONG_VERSION_STRING"); cmLGInfoProp(mf, target, "MACOSX_BUNDLE_BUNDLE_NAME"); cmLGInfoProp(mf, target, "MACOSX_BUNDLE_SHORT_VERSION_STRING"); cmLGInfoProp(mf, target, "MACOSX_BUNDLE_BUNDLE_VERSION"); cmLGInfoProp(mf, target, "MACOSX_BUNDLE_COPYRIGHT"); mf->ConfigureFile(inFile.c_str(), fname, false, false, false); } void cmLocalGenerator::GenerateFrameworkInfoPList( cmGeneratorTarget* target, const std::string& targetName, const char* fname) { // Find the Info.plist template. const char* in = target->GetProperty("MACOSX_FRAMEWORK_INFO_PLIST"); std::string inFile = (in && *in) ? in : "MacOSXFrameworkInfo.plist.in"; if (!cmSystemTools::FileIsFullPath(inFile)) { std::string inMod = this->Makefile->GetModulesFile(inFile.c_str()); if (!inMod.empty()) { inFile = inMod; } } if (!cmSystemTools::FileExists(inFile, true)) { std::ostringstream e; e << "Target " << target->GetName() << " Info.plist template \"" << inFile << "\" could not be found."; cmSystemTools::Error(e.str().c_str()); return; } // Convert target properties to variables in an isolated makefile // scope to configure the file. If properties are set they will // override user make variables. If not the configuration will fall // back to the directory-level values set by the user. cmMakefile* mf = this->Makefile; cmMakefile::ScopePushPop varScope(mf); mf->AddDefinition("MACOSX_FRAMEWORK_NAME", targetName.c_str()); cmLGInfoProp(mf, target, "MACOSX_FRAMEWORK_ICON_FILE"); cmLGInfoProp(mf, target, "MACOSX_FRAMEWORK_IDENTIFIER"); cmLGInfoProp(mf, target, "MACOSX_FRAMEWORK_SHORT_VERSION_STRING"); cmLGInfoProp(mf, target, "MACOSX_FRAMEWORK_BUNDLE_VERSION"); mf->ConfigureFile(inFile.c_str(), fname, false, false, false); }