diff options
Diffstat (limited to 'Source/cmake.cxx')
| -rw-r--r-- | Source/cmake.cxx | 2830 |
1 files changed, 2830 insertions, 0 deletions
diff --git a/Source/cmake.cxx b/Source/cmake.cxx new file mode 100644 index 0000000..f6f0a95 --- /dev/null +++ b/Source/cmake.cxx @@ -0,0 +1,2830 @@ +/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying + file Copyright.txt or https://cmake.org/licensing for details. */ +#include "cmake.h" + +#include "cmAlgorithms.h" +#include "cmCommands.h" +#include "cmDocumentation.h" +#include "cmDocumentationEntry.h" +#include "cmDocumentationFormatter.h" +#include "cmDuration.h" +#include "cmExternalMakefileProjectGenerator.h" +#include "cmFileTimeComparison.h" +#include "cmGeneratorTarget.h" +#include "cmGlobalGenerator.h" +#include "cmGlobalGeneratorFactory.h" +#include "cmLinkLineComputer.h" +#include "cmLocalGenerator.h" +#include "cmMakefile.h" +#include "cmMessenger.h" +#include "cmState.h" +#include "cmStateDirectory.h" +#include "cmSystemTools.h" +#include "cmTarget.h" +#include "cmTargetLinkLibraryType.h" +#include "cmUtils.hxx" +#include "cmVersionConfig.h" +#include "cmWorkingDirectory.h" +#include "cm_sys_stat.h" + +#if defined(CMAKE_BUILD_WITH_CMAKE) +# include "cm_jsoncpp_writer.h" + +# include "cmFileAPI.h" +# include "cmGraphVizWriter.h" +# include "cmVariableWatch.h" +# include <unordered_map> +#endif + +#if defined(CMAKE_BUILD_WITH_CMAKE) +# define CMAKE_USE_ECLIPSE +#endif + +#if defined(__MINGW32__) && !defined(CMAKE_BUILD_WITH_CMAKE) +# define CMAKE_BOOT_MINGW +#endif + +// include the generator +#if defined(_WIN32) && !defined(__CYGWIN__) +# if !defined(CMAKE_BOOT_MINGW) +# include "cmGlobalBorlandMakefileGenerator.h" +# include "cmGlobalGhsMultiGenerator.h" +# include "cmGlobalJOMMakefileGenerator.h" +# include "cmGlobalNMakeMakefileGenerator.h" +# include "cmGlobalVisualStudio10Generator.h" +# include "cmGlobalVisualStudio11Generator.h" +# include "cmGlobalVisualStudio12Generator.h" +# include "cmGlobalVisualStudio14Generator.h" +# include "cmGlobalVisualStudio9Generator.h" +# include "cmGlobalVisualStudioVersionedGenerator.h" +# include "cmVSSetupHelper.h" + +# define CMAKE_HAVE_VS_GENERATORS +# endif +# include "cmGlobalMSYSMakefileGenerator.h" +# include "cmGlobalMinGWMakefileGenerator.h" +#else +#endif +#if defined(CMAKE_USE_WMAKE) +# include "cmGlobalWatcomWMakeGenerator.h" +#endif +#include "cmGlobalUnixMakefileGenerator3.h" +#if defined(CMAKE_BUILD_WITH_CMAKE) +# include "cmGlobalNinjaGenerator.h" +#endif +#include "cmExtraCodeLiteGenerator.h" + +#if !defined(CMAKE_BOOT_MINGW) +# include "cmExtraCodeBlocksGenerator.h" +#endif +#include "cmExtraKateGenerator.h" +#include "cmExtraSublimeTextGenerator.h" + +#ifdef CMAKE_USE_ECLIPSE +# include "cmExtraEclipseCDT4Generator.h" +#endif + +#if defined(__APPLE__) +# if defined(CMAKE_BUILD_WITH_CMAKE) +# include "cmGlobalXCodeGenerator.h" + +# define CMAKE_USE_XCODE 1 +# endif +# include <sys/resource.h> +# include <sys/time.h> +#endif + +#include "cmsys/FStream.hxx" +#include "cmsys/Glob.hxx" +#include "cmsys/RegularExpression.hxx" +#include <algorithm> +#include <cstring> +#include <initializer_list> +#include <iostream> +#include <iterator> +#include <memory> // IWYU pragma: keep +#include <sstream> +#include <stdio.h> +#include <stdlib.h> +#include <utility> + +namespace { + +#if defined(CMAKE_BUILD_WITH_CMAKE) +typedef std::unordered_map<std::string, Json::Value> JsonValueMapType; +#endif + +} // namespace + +static bool cmakeCheckStampFile(const std::string& stampName, + bool verbose = true); +static bool cmakeCheckStampList(const std::string& stampList, + bool verbose = true); + +void cmWarnUnusedCliWarning(const std::string& variable, int /*unused*/, + void* ctx, const char* /*unused*/, + const cmMakefile* /*unused*/) +{ + cmake* cm = reinterpret_cast<cmake*>(ctx); + cm->MarkCliAsUsed(variable); +} + +cmake::cmake(Role role, cmState::Mode mode) +{ + this->Trace = false; + this->TraceExpand = false; + this->WarnUninitialized = false; + this->WarnUnused = false; + this->WarnUnusedCli = true; + this->CheckSystemVars = false; + this->DebugOutput = false; + this->DebugTryCompile = false; + this->ClearBuildSystem = false; + this->FileComparison = new cmFileTimeComparison; + + this->State = new cmState; + this->State->SetMode(mode); + this->CurrentSnapshot = this->State->CreateBaseSnapshot(); + this->Messenger = new cmMessenger; + +#ifdef __APPLE__ + struct rlimit rlp; + if (!getrlimit(RLIMIT_STACK, &rlp)) { + if (rlp.rlim_cur != rlp.rlim_max) { + rlp.rlim_cur = rlp.rlim_max; + setrlimit(RLIMIT_STACK, &rlp); + } + } +#endif + + this->GlobalGenerator = nullptr; + this->CurrentWorkingMode = NORMAL_MODE; + +#ifdef CMAKE_BUILD_WITH_CMAKE + this->VariableWatch = new cmVariableWatch; +#endif + + this->AddDefaultGenerators(); + this->AddDefaultExtraGenerators(); + if (role == RoleScript || role == RoleProject) { + this->AddScriptingCommands(); + } + if (role == RoleProject) { + this->AddProjectCommands(); + } + + // Make sure we can capture the build tool output. + cmSystemTools::EnableVSConsoleOutput(); + + // Set up a list of source and header extensions + // these are used to find files when the extension + // is not given + // The "c" extension MUST precede the "C" extension. + this->SourceFileExtensions.emplace_back("c"); + this->SourceFileExtensions.emplace_back("C"); + + this->SourceFileExtensions.emplace_back("c++"); + this->SourceFileExtensions.emplace_back("cc"); + this->SourceFileExtensions.emplace_back("cpp"); + this->SourceFileExtensions.emplace_back("cxx"); + this->SourceFileExtensions.emplace_back("cu"); + this->SourceFileExtensions.emplace_back("m"); + this->SourceFileExtensions.emplace_back("M"); + this->SourceFileExtensions.emplace_back("mm"); + + std::copy(this->SourceFileExtensions.begin(), + this->SourceFileExtensions.end(), + std::inserter(this->SourceFileExtensionsSet, + this->SourceFileExtensionsSet.end())); + + this->HeaderFileExtensions.emplace_back("h"); + this->HeaderFileExtensions.emplace_back("hh"); + this->HeaderFileExtensions.emplace_back("h++"); + this->HeaderFileExtensions.emplace_back("hm"); + this->HeaderFileExtensions.emplace_back("hpp"); + this->HeaderFileExtensions.emplace_back("hxx"); + this->HeaderFileExtensions.emplace_back("in"); + this->HeaderFileExtensions.emplace_back("txx"); + + std::copy(this->HeaderFileExtensions.begin(), + this->HeaderFileExtensions.end(), + std::inserter(this->HeaderFileExtensionsSet, + this->HeaderFileExtensionsSet.end())); +} + +cmake::~cmake() +{ + delete this->State; + delete this->Messenger; + if (this->GlobalGenerator) { + delete this->GlobalGenerator; + this->GlobalGenerator = nullptr; + } + cmDeleteAll(this->Generators); +#ifdef CMAKE_BUILD_WITH_CMAKE + delete this->VariableWatch; +#endif + delete this->FileComparison; +} + +#if defined(CMAKE_BUILD_WITH_CMAKE) +Json::Value cmake::ReportVersionJson() const +{ + Json::Value version = Json::objectValue; + version["string"] = CMake_VERSION; + version["major"] = CMake_VERSION_MAJOR; + version["minor"] = CMake_VERSION_MINOR; + version["suffix"] = CMake_VERSION_SUFFIX; + version["isDirty"] = (CMake_VERSION_IS_DIRTY == 1); + version["patch"] = CMake_VERSION_PATCH; + return version; +} + +Json::Value cmake::ReportCapabilitiesJson(bool haveServerMode) const +{ + Json::Value obj = Json::objectValue; + + // Version information: + obj["version"] = this->ReportVersionJson(); + + // Generators: + std::vector<cmake::GeneratorInfo> generatorInfoList; + this->GetRegisteredGenerators(generatorInfoList); + + JsonValueMapType generatorMap; + for (cmake::GeneratorInfo const& gi : generatorInfoList) { + if (gi.isAlias) { // skip aliases, they are there for compatibility reasons + // only + continue; + } + + if (gi.extraName.empty()) { + Json::Value gen = Json::objectValue; + gen["name"] = gi.name; + gen["toolsetSupport"] = gi.supportsToolset; + gen["platformSupport"] = gi.supportsPlatform; + gen["extraGenerators"] = Json::arrayValue; + generatorMap[gi.name] = gen; + } else { + Json::Value& gen = generatorMap[gi.baseName]; + gen["extraGenerators"].append(gi.extraName); + } + } + + Json::Value generators = Json::arrayValue; + for (auto const& i : generatorMap) { + generators.append(i.second); + } + obj["generators"] = generators; + obj["serverMode"] = haveServerMode; + + return obj; +} +#endif + +std::string cmake::ReportCapabilities(bool haveServerMode) const +{ + std::string result; +#if defined(CMAKE_BUILD_WITH_CMAKE) + Json::FastWriter writer; + result = writer.write(this->ReportCapabilitiesJson(haveServerMode)); +#else + result = "Not supported"; +#endif + return result; +} + +void cmake::CleanupCommandsAndMacros() +{ + this->CurrentSnapshot = this->State->Reset(); + this->State->RemoveUserDefinedCommands(); + this->CurrentSnapshot.SetDefaultDefinitions(); +} + +// Parse the args +bool cmake::SetCacheArgs(const std::vector<std::string>& args) +{ + bool findPackageMode = false; + for (unsigned int i = 1; i < args.size(); ++i) { + std::string const& arg = args[i]; + if (arg.find("-D", 0) == 0) { + std::string entry = arg.substr(2); + if (entry.empty()) { + ++i; + if (i < args.size()) { + entry = args[i]; + } else { + cmSystemTools::Error("-D must be followed with VAR=VALUE."); + return false; + } + } + std::string var, value; + cmStateEnums::CacheEntryType type = cmStateEnums::UNINITIALIZED; + if (cmState::ParseCacheEntry(entry, var, value, type)) { + // The value is transformed if it is a filepath for example, so + // we can't compare whether the value is already in the cache until + // after we call AddCacheEntry. + bool haveValue = false; + std::string cachedValue; + if (this->WarnUnusedCli) { + if (const std::string* v = + this->State->GetInitializedCacheValue(var)) { + haveValue = true; + cachedValue = *v; + } + } + + this->AddCacheEntry(var, value.c_str(), + "No help, variable specified on the command line.", + type); + + if (this->WarnUnusedCli) { + if (!haveValue || + cachedValue != *this->State->GetInitializedCacheValue(var)) { + this->WatchUnusedCli(var); + } + } + } else { + std::cerr << "Parse error in command line argument: " << arg << "\n" + << "Should be: VAR:type=value\n"; + cmSystemTools::Error("No cmake script provided."); + return false; + } + } else if (cmHasLiteralPrefix(arg, "-W")) { + std::string entry = arg.substr(2); + if (entry.empty()) { + ++i; + if (i < args.size()) { + entry = args[i]; + } else { + cmSystemTools::Error("-W must be followed with [no-]<name>."); + return false; + } + } + + std::string name; + bool foundNo = false; + bool foundError = false; + unsigned int nameStartPosition = 0; + + if (entry.find("no-", nameStartPosition) == 0) { + foundNo = true; + nameStartPosition += 3; + } + + if (entry.find("error=", nameStartPosition) == 0) { + foundError = true; + nameStartPosition += 6; + } + + name = entry.substr(nameStartPosition); + if (name.empty()) { + cmSystemTools::Error("No warning name provided."); + return false; + } + + if (!foundNo && !foundError) { + // -W<name> + this->DiagLevels[name] = std::max(this->DiagLevels[name], DIAG_WARN); + } else if (foundNo && !foundError) { + // -Wno<name> + this->DiagLevels[name] = DIAG_IGNORE; + } else if (!foundNo && foundError) { + // -Werror=<name> + this->DiagLevels[name] = DIAG_ERROR; + } else { + // -Wno-error=<name> + this->DiagLevels[name] = std::min(this->DiagLevels[name], DIAG_WARN); + } + } else if (arg.find("-U", 0) == 0) { + std::string entryPattern = arg.substr(2); + if (entryPattern.empty()) { + ++i; + if (i < args.size()) { + entryPattern = args[i]; + } else { + cmSystemTools::Error("-U must be followed with VAR."); + return false; + } + } + cmsys::RegularExpression regex( + cmsys::Glob::PatternToRegex(entryPattern, true, true).c_str()); + // go through all cache entries and collect the vars which will be + // removed + std::vector<std::string> entriesToDelete; + std::vector<std::string> cacheKeys = this->State->GetCacheEntryKeys(); + for (std::string const& ck : cacheKeys) { + cmStateEnums::CacheEntryType t = this->State->GetCacheEntryType(ck); + if (t != cmStateEnums::STATIC) { + if (regex.find(ck)) { + entriesToDelete.push_back(ck); + } + } + } + + // now remove them from the cache + for (std::string const& currentEntry : entriesToDelete) { + this->State->RemoveCacheEntry(currentEntry); + } + } else if (arg.find("-C", 0) == 0) { + std::string path = arg.substr(2); + if (path.empty()) { + ++i; + if (i < args.size()) { + path = args[i]; + } else { + cmSystemTools::Error("-C must be followed by a file name."); + return false; + } + } + std::cout << "loading initial cache file " << path << "\n"; + this->ReadListFile(args, path); + } else if (arg.find("-P", 0) == 0) { + i++; + if (i >= args.size()) { + cmSystemTools::Error("-P must be followed by a file name."); + return false; + } + std::string path = args[i]; + if (path.empty()) { + cmSystemTools::Error("No cmake script provided."); + return false; + } + // Register fake project commands that hint misuse in script mode. + GetProjectCommandsInScriptMode(this->State); + this->ReadListFile(args, path); + } else if (arg.find("--find-package", 0) == 0) { + findPackageMode = true; + } + } + + if (findPackageMode) { + return this->FindPackage(args); + } + + return true; +} + +void cmake::ReadListFile(const std::vector<std::string>& args, + const std::string& path) +{ + // if a generator was not yet created, temporarily create one + cmGlobalGenerator* gg = this->GetGlobalGenerator(); + bool created = false; + + // if a generator was not specified use a generic one + if (!gg) { + gg = new cmGlobalGenerator(this); + created = true; + } + + // read in the list file to fill the cache + if (!path.empty()) { + this->CurrentSnapshot = this->State->Reset(); + std::string homeDir = this->GetHomeDirectory(); + std::string homeOutputDir = this->GetHomeOutputDirectory(); + this->SetHomeDirectory(cmSystemTools::GetCurrentWorkingDirectory()); + this->SetHomeOutputDirectory(cmSystemTools::GetCurrentWorkingDirectory()); + cmStateSnapshot snapshot = this->GetCurrentSnapshot(); + snapshot.GetDirectory().SetCurrentBinary( + cmSystemTools::GetCurrentWorkingDirectory()); + snapshot.GetDirectory().SetCurrentSource( + cmSystemTools::GetCurrentWorkingDirectory()); + snapshot.SetDefaultDefinitions(); + cmMakefile mf(gg, snapshot); + if (this->GetWorkingMode() != NORMAL_MODE) { + std::string file(cmSystemTools::CollapseFullPath(path)); + cmSystemTools::ConvertToUnixSlashes(file); + mf.SetScriptModeFile(file); + + mf.SetArgcArgv(args); + } + if (!mf.ReadListFile(path)) { + cmSystemTools::Error("Error processing file: " + path); + } + this->SetHomeDirectory(homeDir); + this->SetHomeOutputDirectory(homeOutputDir); + } + + // free generic one if generated + if (created) { + delete gg; + } +} + +bool cmake::FindPackage(const std::vector<std::string>& args) +{ + this->SetHomeDirectory(cmSystemTools::GetCurrentWorkingDirectory()); + this->SetHomeOutputDirectory(cmSystemTools::GetCurrentWorkingDirectory()); + + // if a generator was not yet created, temporarily create one + cmGlobalGenerator* gg = new cmGlobalGenerator(this); + this->SetGlobalGenerator(gg); + + cmStateSnapshot snapshot = this->GetCurrentSnapshot(); + snapshot.GetDirectory().SetCurrentBinary( + cmSystemTools::GetCurrentWorkingDirectory()); + snapshot.GetDirectory().SetCurrentSource( + cmSystemTools::GetCurrentWorkingDirectory()); + // read in the list file to fill the cache + snapshot.SetDefaultDefinitions(); + cmMakefile* mf = new cmMakefile(gg, snapshot); + gg->AddMakefile(mf); + + mf->SetArgcArgv(args); + + std::string systemFile = mf->GetModulesFile("CMakeFindPackageMode.cmake"); + mf->ReadListFile(systemFile); + + std::string language = mf->GetSafeDefinition("LANGUAGE"); + std::string mode = mf->GetSafeDefinition("MODE"); + std::string packageName = mf->GetSafeDefinition("NAME"); + bool packageFound = mf->IsOn("PACKAGE_FOUND"); + bool quiet = mf->IsOn("PACKAGE_QUIET"); + + if (!packageFound) { + if (!quiet) { + printf("%s not found.\n", packageName.c_str()); + } + } else if (mode == "EXIST") { + if (!quiet) { + printf("%s found.\n", packageName.c_str()); + } + } else if (mode == "COMPILE") { + std::string includes = mf->GetSafeDefinition("PACKAGE_INCLUDE_DIRS"); + std::vector<std::string> includeDirs; + cmSystemTools::ExpandListArgument(includes, includeDirs); + + gg->CreateGenerationObjects(); + cmLocalGenerator* lg = gg->LocalGenerators[0]; + std::string includeFlags = + lg->GetIncludeFlags(includeDirs, nullptr, language); + + std::string definitions = mf->GetSafeDefinition("PACKAGE_DEFINITIONS"); + printf("%s %s\n", includeFlags.c_str(), definitions.c_str()); + } else if (mode == "LINK") { + const char* targetName = "dummy"; + std::vector<std::string> srcs; + cmTarget* tgt = mf->AddExecutable(targetName, srcs, true); + tgt->SetProperty("LINKER_LANGUAGE", language.c_str()); + + std::string libs = mf->GetSafeDefinition("PACKAGE_LIBRARIES"); + std::vector<std::string> libList; + cmSystemTools::ExpandListArgument(libs, libList); + for (std::string const& lib : libList) { + tgt->AddLinkLibrary(*mf, lib, GENERAL_LibraryType); + } + + std::string buildType = mf->GetSafeDefinition("CMAKE_BUILD_TYPE"); + buildType = cmSystemTools::UpperCase(buildType); + + std::string linkLibs; + std::string frameworkPath; + std::string linkPath; + std::string flags; + std::string linkFlags; + gg->CreateGenerationObjects(); + cmGeneratorTarget* gtgt = gg->FindGeneratorTarget(tgt->GetName()); + cmLocalGenerator* lg = gtgt->GetLocalGenerator(); + cmLinkLineComputer linkLineComputer(lg, + lg->GetStateSnapshot().GetDirectory()); + lg->GetTargetFlags(&linkLineComputer, buildType, linkLibs, flags, + linkFlags, frameworkPath, linkPath, gtgt); + linkLibs = frameworkPath + linkPath + linkLibs; + + printf("%s\n", linkLibs.c_str()); + + /* if ( use_win32 ) + { + tgt->SetProperty("WIN32_EXECUTABLE", "ON"); + } + if ( use_macbundle) + { + tgt->SetProperty("MACOSX_BUNDLE", "ON"); + }*/ + } + + // free generic one if generated + // this->SetGlobalGenerator(0); // setting 0-pointer is not possible + // delete gg; // this crashes inside the cmake instance + + return packageFound; +} + +// Parse the args +void cmake::SetArgs(const std::vector<std::string>& args) +{ + bool haveToolset = false; + bool havePlatform = false; + for (unsigned int i = 1; i < args.size(); ++i) { + std::string const& arg = args[i]; + if (arg.find("-H", 0) == 0 || arg.find("-S", 0) == 0) { + std::string path = arg.substr(2); + if (path.empty()) { + ++i; + if (i >= args.size()) { + cmSystemTools::Error("No source directory specified for -S"); + return; + } + path = args[i]; + if (path[0] == '-') { + cmSystemTools::Error("No source directory specified for -S"); + return; + } + } + + path = cmSystemTools::CollapseFullPath(path); + cmSystemTools::ConvertToUnixSlashes(path); + this->SetHomeDirectory(path); + } else if (arg.find("-O", 0) == 0) { + // There is no local generate anymore. Ignore -O option. + } else if (arg.find("-B", 0) == 0) { + std::string path = arg.substr(2); + if (path.empty()) { + ++i; + if (i >= args.size()) { + cmSystemTools::Error("No build directory specified for -B"); + return; + } + path = args[i]; + if (path[0] == '-') { + cmSystemTools::Error("No build directory specified for -B"); + return; + } + } + + path = cmSystemTools::CollapseFullPath(path); + cmSystemTools::ConvertToUnixSlashes(path); + this->SetHomeOutputDirectory(path); + } else if ((i < args.size() - 2) && + (arg.find("--check-build-system", 0) == 0)) { + this->CheckBuildSystemArgument = args[++i]; + this->ClearBuildSystem = (atoi(args[++i].c_str()) > 0); + } else if ((i < args.size() - 1) && + (arg.find("--check-stamp-file", 0) == 0)) { + this->CheckStampFile = args[++i]; + } else if ((i < args.size() - 1) && + (arg.find("--check-stamp-list", 0) == 0)) { + this->CheckStampList = args[++i]; + } +#if defined(CMAKE_HAVE_VS_GENERATORS) + else if ((i < args.size() - 1) && + (arg.find("--vs-solution-file", 0) == 0)) { + this->VSSolutionFile = args[++i]; + } +#endif + else if (arg.find("-D", 0) == 0) { + // skip for now + // in case '-D var=val' is given, also skip the next + // in case '-Dvar=val' is given, don't skip the next + if (arg.size() == 2) { + ++i; + } + } else if (arg.find("-U", 0) == 0) { + // skip for now + // in case '-U var' is given, also skip the next + // in case '-Uvar' is given, don't skip the next + if (arg.size() == 2) { + ++i; + } + } else if (arg.find("-C", 0) == 0) { + // skip for now + // in case '-C path' is given, also skip the next + // in case '-Cpath' is given, don't skip the next + if (arg.size() == 2) { + ++i; + } + } else if (arg.find("-P", 0) == 0) { + // skip for now + i++; + } else if (arg.find("--find-package", 0) == 0) { + // skip for now + i++; + } else if (arg.find("-W", 0) == 0) { + // skip for now + } else if (arg.find("--graphviz=", 0) == 0) { + std::string path = arg.substr(strlen("--graphviz=")); + path = cmSystemTools::CollapseFullPath(path); + cmSystemTools::ConvertToUnixSlashes(path); + this->GraphVizFile = path; + if (this->GraphVizFile.empty()) { + cmSystemTools::Error("No file specified for --graphviz"); + } + } else if (arg.find("--debug-trycompile", 0) == 0) { + std::cout << "debug trycompile on\n"; + this->DebugTryCompileOn(); + } else if (arg.find("--debug-output", 0) == 0) { + std::cout << "Running with debug output on.\n"; + this->SetDebugOutputOn(true); + } else if (arg.find("--trace-expand", 0) == 0) { + std::cout << "Running with expanded trace output on.\n"; + this->SetTrace(true); + this->SetTraceExpand(true); + } else if (arg.find("--trace-source=", 0) == 0) { + std::string file = arg.substr(strlen("--trace-source=")); + cmSystemTools::ConvertToUnixSlashes(file); + this->AddTraceSource(file); + this->SetTrace(true); + } else if (arg.find("--trace", 0) == 0) { + std::cout << "Running with trace output on.\n"; + this->SetTrace(true); + this->SetTraceExpand(false); + } else if (arg.find("--warn-uninitialized", 0) == 0) { + std::cout << "Warn about uninitialized values.\n"; + this->SetWarnUninitialized(true); + } else if (arg.find("--warn-unused-vars", 0) == 0) { + std::cout << "Finding unused variables.\n"; + this->SetWarnUnused(true); + } else if (arg.find("--no-warn-unused-cli", 0) == 0) { + std::cout << "Not searching for unused variables given on the " + << "command line.\n"; + this->SetWarnUnusedCli(false); + } else if (arg.find("--check-system-vars", 0) == 0) { + std::cout << "Also check system files when warning about unused and " + << "uninitialized variables.\n"; + this->SetCheckSystemVars(true); + } else if (arg.find("-A", 0) == 0) { + std::string value = arg.substr(2); + if (value.empty()) { + ++i; + if (i >= args.size()) { + cmSystemTools::Error("No platform specified for -A"); + return; + } + value = args[i]; + } + if (havePlatform) { + cmSystemTools::Error("Multiple -A options not allowed"); + return; + } + this->GeneratorPlatform = value; + havePlatform = true; + } else if (arg.find("-T", 0) == 0) { + std::string value = arg.substr(2); + if (value.empty()) { + ++i; + if (i >= args.size()) { + cmSystemTools::Error("No toolset specified for -T"); + return; + } + value = args[i]; + } + if (haveToolset) { + cmSystemTools::Error("Multiple -T options not allowed"); + return; + } + this->GeneratorToolset = value; + haveToolset = true; + } else if (arg.find("-G", 0) == 0) { + std::string value = arg.substr(2); + if (value.empty()) { + ++i; + if (i >= args.size()) { + cmSystemTools::Error("No generator specified for -G"); + this->PrintGeneratorList(); + return; + } + value = args[i]; + } + cmGlobalGenerator* gen = this->CreateGlobalGenerator(value); + if (!gen) { + std::string kdevError; + if (value.find("KDevelop3", 0) != std::string::npos) { + kdevError = "\nThe KDevelop3 generator is not supported anymore."; + } + + cmSystemTools::Error("Could not create named generator " + value + + kdevError); + this->PrintGeneratorList(); + } else { + this->SetGlobalGenerator(gen); + } + } + // no option assume it is the path to the source or an existing build + else { + this->SetDirectoriesFromFile(arg.c_str()); + } + } + + const bool haveSourceDir = !this->GetHomeDirectory().empty(); + const bool haveBinaryDir = !this->GetHomeOutputDirectory().empty(); + + if (this->CurrentWorkingMode == cmake::NORMAL_MODE && !haveSourceDir && + !haveBinaryDir) { + this->IssueMessage( + MessageType::WARNING, + "No source or binary directory provided. Both will be assumed to be " + "the same as the current working directory, but note that this " + "warning will become a fatal error in future CMake releases."); + } + + if (!haveSourceDir) { + this->SetHomeDirectory(cmSystemTools::GetCurrentWorkingDirectory()); + } + if (!haveBinaryDir) { + this->SetHomeOutputDirectory(cmSystemTools::GetCurrentWorkingDirectory()); + } +} + +void cmake::SetDirectoriesFromFile(const char* arg) +{ + // Check if the argument refers to a CMakeCache.txt or + // CMakeLists.txt file. + std::string listPath; + std::string cachePath; + bool argIsFile = false; + if (cmSystemTools::FileIsDirectory(arg)) { + std::string path = cmSystemTools::CollapseFullPath(arg); + cmSystemTools::ConvertToUnixSlashes(path); + std::string cacheFile = path; + cacheFile += "/CMakeCache.txt"; + std::string listFile = path; + listFile += "/CMakeLists.txt"; + if (cmSystemTools::FileExists(cacheFile)) { + cachePath = path; + } + if (cmSystemTools::FileExists(listFile)) { + listPath = path; + } + } else if (cmSystemTools::FileExists(arg)) { + argIsFile = true; + std::string fullPath = cmSystemTools::CollapseFullPath(arg); + std::string name = cmSystemTools::GetFilenameName(fullPath); + name = cmSystemTools::LowerCase(name); + if (name == "cmakecache.txt") { + cachePath = cmSystemTools::GetFilenamePath(fullPath); + } else if (name == "cmakelists.txt") { + listPath = cmSystemTools::GetFilenamePath(fullPath); + } + } else { + // Specified file or directory does not exist. Try to set things + // up to produce a meaningful error message. + std::string fullPath = cmSystemTools::CollapseFullPath(arg); + std::string name = cmSystemTools::GetFilenameName(fullPath); + name = cmSystemTools::LowerCase(name); + if (name == "cmakecache.txt" || name == "cmakelists.txt") { + argIsFile = true; + listPath = cmSystemTools::GetFilenamePath(fullPath); + } else { + listPath = fullPath; + } + } + + // If there is a CMakeCache.txt file, use its settings. + if (!cachePath.empty()) { + if (this->LoadCache(cachePath)) { + const char* existingValue = + this->State->GetCacheEntryValue("CMAKE_HOME_DIRECTORY"); + if (existingValue) { + this->SetHomeOutputDirectory(cachePath); + this->SetHomeDirectory(existingValue); + return; + } + } + } + + // If there is a CMakeLists.txt file, use it as the source tree. + if (!listPath.empty()) { + this->SetHomeDirectory(listPath); + + if (argIsFile) { + // Source CMakeLists.txt file given. It was probably dropped + // onto the executable in a GUI. Default to an in-source build. + this->SetHomeOutputDirectory(listPath); + } else { + // Source directory given on command line. Use current working + // directory as build tree if -B hasn't been given already + if (this->GetHomeOutputDirectory().empty()) { + std::string cwd = cmSystemTools::GetCurrentWorkingDirectory(); + this->SetHomeOutputDirectory(cwd); + } + } + return; + } + + if (this->GetHomeDirectory().empty()) { + // We didn't find a CMakeLists.txt and it wasn't specified + // with -S. Assume it is the path to the source tree + std::string full = cmSystemTools::CollapseFullPath(arg); + this->SetHomeDirectory(full); + } + if (this->GetHomeOutputDirectory().empty()) { + // We didn't find a CMakeCache.txt and it wasn't specified + // with -B. Assume the current working directory as the build tree. + std::string cwd = cmSystemTools::GetCurrentWorkingDirectory(); + this->SetHomeOutputDirectory(cwd); + } +} + +// at the end of this CMAKE_ROOT and CMAKE_COMMAND should be added to the +// cache +int cmake::AddCMakePaths() +{ + // Save the value in the cache + this->AddCacheEntry("CMAKE_COMMAND", + cmSystemTools::GetCMakeCommand().c_str(), + "Path to CMake executable.", cmStateEnums::INTERNAL); +#ifdef CMAKE_BUILD_WITH_CMAKE + this->AddCacheEntry( + "CMAKE_CTEST_COMMAND", cmSystemTools::GetCTestCommand().c_str(), + "Path to ctest program executable.", cmStateEnums::INTERNAL); + this->AddCacheEntry( + "CMAKE_CPACK_COMMAND", cmSystemTools::GetCPackCommand().c_str(), + "Path to cpack program executable.", cmStateEnums::INTERNAL); +#endif + if (!cmSystemTools::FileExists( + (cmSystemTools::GetCMakeRoot() + "/Modules/CMake.cmake"))) { + // couldn't find modules + cmSystemTools::Error( + "Could not find CMAKE_ROOT !!!\n" + "CMake has most likely not been installed correctly.\n" + "Modules directory not found in\n" + + cmSystemTools::GetCMakeRoot()); + return 0; + } + this->AddCacheEntry("CMAKE_ROOT", cmSystemTools::GetCMakeRoot().c_str(), + "Path to CMake installation.", cmStateEnums::INTERNAL); + + return 1; +} + +void cmake::AddDefaultExtraGenerators() +{ +#if defined(CMAKE_BUILD_WITH_CMAKE) + this->ExtraGenerators.push_back(cmExtraCodeBlocksGenerator::GetFactory()); + this->ExtraGenerators.push_back(cmExtraCodeLiteGenerator::GetFactory()); + this->ExtraGenerators.push_back(cmExtraSublimeTextGenerator::GetFactory()); + this->ExtraGenerators.push_back(cmExtraKateGenerator::GetFactory()); + +# ifdef CMAKE_USE_ECLIPSE + this->ExtraGenerators.push_back(cmExtraEclipseCDT4Generator::GetFactory()); +# endif + +#endif +} + +void cmake::GetRegisteredGenerators(std::vector<GeneratorInfo>& generators, + bool includeNamesWithPlatform) const +{ + for (cmGlobalGeneratorFactory* gen : this->Generators) { + std::vector<std::string> names = gen->GetGeneratorNames(); + + if (includeNamesWithPlatform) { + std::vector<std::string> namesWithPlatform = + gen->GetGeneratorNamesWithPlatform(); + names.insert(names.end(), namesWithPlatform.begin(), + namesWithPlatform.end()); + } + + for (std::string const& name : names) { + GeneratorInfo info; + info.supportsToolset = gen->SupportsToolset(); + info.supportsPlatform = gen->SupportsPlatform(); + info.supportedPlatforms = gen->GetKnownPlatforms(); + info.defaultPlatform = gen->GetDefaultPlatformName(); + info.name = name; + info.baseName = name; + info.isAlias = false; + generators.push_back(std::move(info)); + } + } + + for (cmExternalMakefileProjectGeneratorFactory* eg : this->ExtraGenerators) { + const std::vector<std::string> genList = + eg->GetSupportedGlobalGenerators(); + for (std::string const& gen : genList) { + GeneratorInfo info; + info.name = cmExternalMakefileProjectGenerator::CreateFullGeneratorName( + gen, eg->GetName()); + info.baseName = gen; + info.extraName = eg->GetName(); + info.supportsPlatform = false; + info.supportsToolset = false; + info.isAlias = false; + generators.push_back(std::move(info)); + } + for (std::string const& a : eg->Aliases) { + GeneratorInfo info; + info.name = a; + if (!genList.empty()) { + info.baseName = genList.at(0); + } + info.extraName = eg->GetName(); + info.supportsPlatform = false; + info.supportsToolset = false; + info.isAlias = true; + generators.push_back(std::move(info)); + } + } +} + +static std::pair<cmExternalMakefileProjectGenerator*, std::string> +createExtraGenerator( + const std::vector<cmExternalMakefileProjectGeneratorFactory*>& in, + const std::string& name) +{ + for (cmExternalMakefileProjectGeneratorFactory* i : in) { + const std::vector<std::string> generators = + i->GetSupportedGlobalGenerators(); + if (i->GetName() == name) { // Match aliases + return std::make_pair(i->CreateExternalMakefileProjectGenerator(), + generators.at(0)); + } + for (std::string const& g : generators) { + const std::string fullName = + cmExternalMakefileProjectGenerator::CreateFullGeneratorName( + g, i->GetName()); + if (fullName == name) { + return std::make_pair(i->CreateExternalMakefileProjectGenerator(), g); + } + } + } + return std::make_pair( + static_cast<cmExternalMakefileProjectGenerator*>(nullptr), name); +} + +cmGlobalGenerator* cmake::CreateGlobalGenerator(const std::string& gname) +{ + std::pair<cmExternalMakefileProjectGenerator*, std::string> extra = + createExtraGenerator(this->ExtraGenerators, gname); + cmExternalMakefileProjectGenerator* extraGenerator = extra.first; + const std::string name = extra.second; + + cmGlobalGenerator* generator = nullptr; + for (cmGlobalGeneratorFactory* g : this->Generators) { + generator = g->CreateGlobalGenerator(name, this); + if (generator) { + break; + } + } + + if (generator) { + generator->SetExternalMakefileProjectGenerator(extraGenerator); + } else { + delete extraGenerator; + } + + return generator; +} + +void cmake::SetHomeDirectory(const std::string& dir) +{ + this->State->SetSourceDirectory(dir); + if (this->CurrentSnapshot.IsValid()) { + this->CurrentSnapshot.SetDefinition("CMAKE_SOURCE_DIR", dir); + } +} + +std::string const& cmake::GetHomeDirectory() const +{ + return this->State->GetSourceDirectory(); +} + +void cmake::SetHomeOutputDirectory(const std::string& dir) +{ + this->State->SetBinaryDirectory(dir); + if (this->CurrentSnapshot.IsValid()) { + this->CurrentSnapshot.SetDefinition("CMAKE_BINARY_DIR", dir); + } +} + +std::string const& cmake::GetHomeOutputDirectory() const +{ + return this->State->GetBinaryDirectory(); +} + +std::string cmake::FindCacheFile(const std::string& binaryDir) +{ + std::string cachePath = binaryDir; + cmSystemTools::ConvertToUnixSlashes(cachePath); + std::string cacheFile = cachePath; + cacheFile += "/CMakeCache.txt"; + if (!cmSystemTools::FileExists(cacheFile)) { + // search in parent directories for cache + std::string cmakeFiles = cachePath; + cmakeFiles += "/CMakeFiles"; + if (cmSystemTools::FileExists(cmakeFiles)) { + std::string cachePathFound = + cmSystemTools::FileExistsInParentDirectories("CMakeCache.txt", + cachePath, "/"); + if (!cachePathFound.empty()) { + cachePath = cmSystemTools::GetFilenamePath(cachePathFound); + } + } + } + return cachePath; +} + +void cmake::SetGlobalGenerator(cmGlobalGenerator* gg) +{ + if (!gg) { + cmSystemTools::Error("Error SetGlobalGenerator called with null"); + return; + } + // delete the old generator + if (this->GlobalGenerator) { + delete this->GlobalGenerator; + // restore the original environment variables CXX and CC + // Restore CC + std::string env = "CC="; + if (!this->CCEnvironment.empty()) { + env += this->CCEnvironment; + } + cmSystemTools::PutEnv(env); + env = "CXX="; + if (!this->CXXEnvironment.empty()) { + env += this->CXXEnvironment; + } + cmSystemTools::PutEnv(env); + } + + // set the new + this->GlobalGenerator = gg; + + // set the global flag for unix style paths on cmSystemTools as soon as + // the generator is set. This allows gmake to be used on windows. + cmSystemTools::SetForceUnixPaths(this->GlobalGenerator->GetForceUnixPaths()); + + // Save the environment variables CXX and CC + if (!cmSystemTools::GetEnv("CXX", this->CXXEnvironment)) { + this->CXXEnvironment.clear(); + } + if (!cmSystemTools::GetEnv("CC", this->CCEnvironment)) { + this->CCEnvironment.clear(); + } +} + +int cmake::DoPreConfigureChecks() +{ + // Make sure the Source directory contains a CMakeLists.txt file. + std::string srcList = this->GetHomeDirectory(); + srcList += "/CMakeLists.txt"; + if (!cmSystemTools::FileExists(srcList)) { + std::ostringstream err; + if (cmSystemTools::FileIsDirectory(this->GetHomeDirectory())) { + err << "The source directory \"" << this->GetHomeDirectory() + << "\" does not appear to contain CMakeLists.txt.\n"; + } else if (cmSystemTools::FileExists(this->GetHomeDirectory())) { + err << "The source directory \"" << this->GetHomeDirectory() + << "\" is a file, not a directory.\n"; + } else { + err << "The source directory \"" << this->GetHomeDirectory() + << "\" does not exist.\n"; + } + err << "Specify --help for usage, or press the help button on the CMake " + "GUI."; + cmSystemTools::Error(err.str()); + return -2; + } + + // do a sanity check on some values + if (this->State->GetInitializedCacheValue("CMAKE_HOME_DIRECTORY")) { + std::string cacheStart = + *this->State->GetInitializedCacheValue("CMAKE_HOME_DIRECTORY"); + cacheStart += "/CMakeLists.txt"; + std::string currentStart = this->GetHomeDirectory(); + currentStart += "/CMakeLists.txt"; + if (!cmSystemTools::SameFile(cacheStart, currentStart)) { + std::string message = "The source \""; + message += currentStart; + message += "\" does not match the source \""; + message += cacheStart; + message += "\" used to generate cache. "; + message += "Re-run cmake with a different source directory."; + cmSystemTools::Error(message); + return -2; + } + } else { + return 0; + } + return 1; +} +struct SaveCacheEntry +{ + std::string key; + std::string value; + std::string help; + cmStateEnums::CacheEntryType type; +}; + +int cmake::HandleDeleteCacheVariables(const std::string& var) +{ + std::vector<std::string> argsSplit; + cmSystemTools::ExpandListArgument(std::string(var), argsSplit, true); + // erase the property to avoid infinite recursion + this->State->SetGlobalProperty("__CMAKE_DELETE_CACHE_CHANGE_VARS_", ""); + if (this->State->GetIsInTryCompile()) { + return 0; + } + std::vector<SaveCacheEntry> saved; + std::ostringstream warning; + /* clang-format off */ + warning + << "You have changed variables that require your cache to be deleted.\n" + << "Configure will be re-run and you may have to reset some variables.\n" + << "The following variables have changed:\n"; + /* clang-format on */ + for (std::vector<std::string>::iterator i = argsSplit.begin(); + i != argsSplit.end(); ++i) { + SaveCacheEntry save; + save.key = *i; + warning << *i << "= "; + i++; + save.value = *i; + warning << *i << "\n"; + const char* existingValue = this->State->GetCacheEntryValue(save.key); + if (existingValue) { + save.type = this->State->GetCacheEntryType(save.key); + if (const char* help = + this->State->GetCacheEntryProperty(save.key, "HELPSTRING")) { + save.help = help; + } + } + saved.push_back(std::move(save)); + } + + // remove the cache + this->DeleteCache(this->GetHomeOutputDirectory()); + // load the empty cache + this->LoadCache(); + // restore the changed compilers + for (SaveCacheEntry const& i : saved) { + this->AddCacheEntry(i.key, i.value.c_str(), i.help.c_str(), i.type); + } + cmSystemTools::Message(warning.str()); + // avoid reconfigure if there were errors + if (!cmSystemTools::GetErrorOccuredFlag()) { + // re-run configure + return this->Configure(); + } + return 0; +} + +int cmake::Configure() +{ + DiagLevel diagLevel; + + if (this->DiagLevels.count("deprecated") == 1) { + + diagLevel = this->DiagLevels["deprecated"]; + if (diagLevel == DIAG_IGNORE) { + this->SetSuppressDeprecatedWarnings(true); + this->SetDeprecatedWarningsAsErrors(false); + } else if (diagLevel == DIAG_WARN) { + this->SetSuppressDeprecatedWarnings(false); + this->SetDeprecatedWarningsAsErrors(false); + } else if (diagLevel == DIAG_ERROR) { + this->SetSuppressDeprecatedWarnings(false); + this->SetDeprecatedWarningsAsErrors(true); + } + } + + if (this->DiagLevels.count("dev") == 1) { + bool setDeprecatedVariables = false; + + const char* cachedWarnDeprecated = + this->State->GetCacheEntryValue("CMAKE_WARN_DEPRECATED"); + const char* cachedErrorDeprecated = + this->State->GetCacheEntryValue("CMAKE_ERROR_DEPRECATED"); + + // don't overwrite deprecated warning setting from a previous invocation + if (!cachedWarnDeprecated && !cachedErrorDeprecated) { + setDeprecatedVariables = true; + } + + diagLevel = this->DiagLevels["dev"]; + if (diagLevel == DIAG_IGNORE) { + this->SetSuppressDevWarnings(true); + this->SetDevWarningsAsErrors(false); + + if (setDeprecatedVariables) { + this->SetSuppressDeprecatedWarnings(true); + this->SetDeprecatedWarningsAsErrors(false); + } + } else if (diagLevel == DIAG_WARN) { + this->SetSuppressDevWarnings(false); + this->SetDevWarningsAsErrors(false); + + if (setDeprecatedVariables) { + this->SetSuppressDeprecatedWarnings(false); + this->SetDeprecatedWarningsAsErrors(false); + } + } else if (diagLevel == DIAG_ERROR) { + this->SetSuppressDevWarnings(false); + this->SetDevWarningsAsErrors(true); + + if (setDeprecatedVariables) { + this->SetSuppressDeprecatedWarnings(false); + this->SetDeprecatedWarningsAsErrors(true); + } + } + } + + // Cache variables may have already been set by a previous invocation, + // so we cannot rely on command line options alone. Always ensure our + // messenger is in sync with the cache. + const char* value = this->State->GetCacheEntryValue("CMAKE_WARN_DEPRECATED"); + this->Messenger->SetSuppressDeprecatedWarnings(value && + cmSystemTools::IsOff(value)); + + value = this->State->GetCacheEntryValue("CMAKE_ERROR_DEPRECATED"); + this->Messenger->SetDeprecatedWarningsAsErrors(cmSystemTools::IsOn(value)); + + value = this->State->GetCacheEntryValue("CMAKE_SUPPRESS_DEVELOPER_WARNINGS"); + this->Messenger->SetSuppressDevWarnings(cmSystemTools::IsOn(value)); + + value = this->State->GetCacheEntryValue("CMAKE_SUPPRESS_DEVELOPER_ERRORS"); + this->Messenger->SetDevWarningsAsErrors(value && + cmSystemTools::IsOff(value)); + + int ret = this->ActualConfigure(); + const char* delCacheVars = + this->State->GetGlobalProperty("__CMAKE_DELETE_CACHE_CHANGE_VARS_"); + if (delCacheVars && delCacheVars[0] != 0) { + return this->HandleDeleteCacheVariables(delCacheVars); + } + return ret; +} + +int cmake::ActualConfigure() +{ + // Construct right now our path conversion table before it's too late: + this->UpdateConversionPathTable(); + this->CleanupCommandsAndMacros(); + + int res = this->DoPreConfigureChecks(); + if (res < 0) { + return -2; + } + if (!res) { + this->AddCacheEntry( + "CMAKE_HOME_DIRECTORY", this->GetHomeDirectory().c_str(), + "Source directory with the top level CMakeLists.txt file for this " + "project", + cmStateEnums::INTERNAL); + } + + // no generator specified on the command line + if (!this->GlobalGenerator) { + const std::string* genName = + this->State->GetInitializedCacheValue("CMAKE_GENERATOR"); + const std::string* extraGenName = + this->State->GetInitializedCacheValue("CMAKE_EXTRA_GENERATOR"); + if (genName) { + std::string fullName = + cmExternalMakefileProjectGenerator::CreateFullGeneratorName( + *genName, extraGenName ? *extraGenName : ""); + this->GlobalGenerator = this->CreateGlobalGenerator(fullName); + } + if (this->GlobalGenerator) { + // set the global flag for unix style paths on cmSystemTools as + // soon as the generator is set. This allows gmake to be used + // on windows. + cmSystemTools::SetForceUnixPaths( + this->GlobalGenerator->GetForceUnixPaths()); + } else { + this->CreateDefaultGlobalGenerator(); + } + if (!this->GlobalGenerator) { + cmSystemTools::Error("Could not create generator"); + return -1; + } + } + + const std::string* genName = + this->State->GetInitializedCacheValue("CMAKE_GENERATOR"); + if (genName) { + if (!this->GlobalGenerator->MatchesGeneratorName(*genName)) { + std::string message = "Error: generator : "; + message += this->GlobalGenerator->GetName(); + message += "\nDoes not match the generator used previously: "; + message += *genName; + message += "\nEither remove the CMakeCache.txt file and CMakeFiles " + "directory or choose a different binary directory."; + cmSystemTools::Error(message); + return -2; + } + } + if (!this->State->GetInitializedCacheValue("CMAKE_GENERATOR")) { + this->AddCacheEntry("CMAKE_GENERATOR", + this->GlobalGenerator->GetName().c_str(), + "Name of generator.", cmStateEnums::INTERNAL); + this->AddCacheEntry("CMAKE_EXTRA_GENERATOR", + this->GlobalGenerator->GetExtraGeneratorName().c_str(), + "Name of external makefile project generator.", + cmStateEnums::INTERNAL); + } + + if (const std::string* instance = + this->State->GetInitializedCacheValue("CMAKE_GENERATOR_INSTANCE")) { + if (!this->GeneratorInstance.empty() && + this->GeneratorInstance != *instance) { + std::string message = "Error: generator instance: "; + message += this->GeneratorInstance; + message += "\nDoes not match the instance used previously: "; + message += *instance; + message += "\nEither remove the CMakeCache.txt file and CMakeFiles " + "directory or choose a different binary directory."; + cmSystemTools::Error(message); + return -2; + } + } else { + this->AddCacheEntry( + "CMAKE_GENERATOR_INSTANCE", this->GeneratorInstance.c_str(), + "Generator instance identifier.", cmStateEnums::INTERNAL); + } + + if (const std::string* platformName = + this->State->GetInitializedCacheValue("CMAKE_GENERATOR_PLATFORM")) { + if (!this->GeneratorPlatform.empty() && + this->GeneratorPlatform != *platformName) { + std::string message = "Error: generator platform: "; + message += this->GeneratorPlatform; + message += "\nDoes not match the platform used previously: "; + message += *platformName; + message += "\nEither remove the CMakeCache.txt file and CMakeFiles " + "directory or choose a different binary directory."; + cmSystemTools::Error(message); + return -2; + } + } else { + this->AddCacheEntry("CMAKE_GENERATOR_PLATFORM", + this->GeneratorPlatform.c_str(), + "Name of generator platform.", cmStateEnums::INTERNAL); + } + + if (const std::string* tsName = + this->State->GetInitializedCacheValue("CMAKE_GENERATOR_TOOLSET")) { + if (!this->GeneratorToolset.empty() && this->GeneratorToolset != *tsName) { + std::string message = "Error: generator toolset: "; + message += this->GeneratorToolset; + message += "\nDoes not match the toolset used previously: "; + message += *tsName; + message += "\nEither remove the CMakeCache.txt file and CMakeFiles " + "directory or choose a different binary directory."; + cmSystemTools::Error(message); + return -2; + } + } else { + this->AddCacheEntry("CMAKE_GENERATOR_TOOLSET", + this->GeneratorToolset.c_str(), + "Name of generator toolset.", cmStateEnums::INTERNAL); + } + + // reset any system configuration information, except for when we are + // InTryCompile. With TryCompile the system info is taken from the parent's + // info to save time + if (!this->State->GetIsInTryCompile()) { + this->GlobalGenerator->ClearEnabledLanguages(); + + this->TruncateOutputLog("CMakeOutput.log"); + this->TruncateOutputLog("CMakeError.log"); + } + +#if defined(CMAKE_BUILD_WITH_CMAKE) + this->FileAPI = cm::make_unique<cmFileAPI>(this); + this->FileAPI->ReadQueries(); +#endif + + // actually do the configure + this->GlobalGenerator->Configure(); + // Before saving the cache + // if the project did not define one of the entries below, add them now + // so users can edit the values in the cache: + + // We used to always present LIBRARY_OUTPUT_PATH and + // EXECUTABLE_OUTPUT_PATH. They are now documented as old-style and + // should no longer be used. Therefore we present them only if the + // project requires compatibility with CMake 2.4. We detect this + // here by looking for the old CMAKE_BACKWARDS_COMPATIBILITY + // variable created when CMP0001 is not set to NEW. + if (this->State->GetInitializedCacheValue("CMAKE_BACKWARDS_COMPATIBILITY")) { + if (!this->State->GetInitializedCacheValue("LIBRARY_OUTPUT_PATH")) { + this->AddCacheEntry( + "LIBRARY_OUTPUT_PATH", "", + "Single output directory for building all libraries.", + cmStateEnums::PATH); + } + if (!this->State->GetInitializedCacheValue("EXECUTABLE_OUTPUT_PATH")) { + this->AddCacheEntry( + "EXECUTABLE_OUTPUT_PATH", "", + "Single output directory for building all executables.", + cmStateEnums::PATH); + } + } + + cmMakefile* mf = this->GlobalGenerator->GetMakefiles()[0]; + if (mf->IsOn("CTEST_USE_LAUNCHERS") && + !this->State->GetGlobalProperty("RULE_LAUNCH_COMPILE")) { + cmSystemTools::Error( + "CTEST_USE_LAUNCHERS is enabled, but the " + "RULE_LAUNCH_COMPILE global property is not defined.\n" + "Did you forget to include(CTest) in the toplevel " + "CMakeLists.txt ?"); + } + + this->State->SaveVerificationScript(this->GetHomeOutputDirectory()); + this->SaveCache(this->GetHomeOutputDirectory()); + if (cmSystemTools::GetErrorOccuredFlag()) { + return -1; + } + return 0; +} + +std::unique_ptr<cmGlobalGenerator> cmake::EvaluateDefaultGlobalGenerator() +{ +#if defined(_WIN32) && !defined(__CYGWIN__) && !defined(CMAKE_BOOT_MINGW) + std::string found; + // Try to find the newest VS installed on the computer and + // use that as a default if -G is not specified + const std::string vsregBase = "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\"; + static const char* const vsVariants[] = { + /* clang-format needs this comment to break after the opening brace */ + "VisualStudio\\", "VCExpress\\", "WDExpress\\" + }; + struct VSVersionedGenerator + { + const char* MSVersion; + const char* GeneratorName; + }; + static VSVersionedGenerator const vsGenerators[] = { + { "14.0", "Visual Studio 14 2015" }, // + { "12.0", "Visual Studio 12 2013" }, // + { "11.0", "Visual Studio 11 2012" }, // + { "10.0", "Visual Studio 10 2010" }, // + { "9.0", "Visual Studio 9 2008" } + }; + static const char* const vsEntries[] = { + "\\Setup\\VC;ProductDir", // + ";InstallDir" // + }; + if (cmVSSetupAPIHelper(16).IsVSInstalled()) { + found = "Visual Studio 16 2019"; + } else if (cmVSSetupAPIHelper(15).IsVSInstalled()) { + found = "Visual Studio 15 2017"; + } else { + for (VSVersionedGenerator const* g = cm::cbegin(vsGenerators); + found.empty() && g != cm::cend(vsGenerators); ++g) { + for (const char* const* v = cm::cbegin(vsVariants); + found.empty() && v != cm::cend(vsVariants); ++v) { + for (const char* const* e = cm::cbegin(vsEntries); + found.empty() && e != cm::cend(vsEntries); ++e) { + std::string const reg = vsregBase + *v + g->MSVersion + *e; + std::string dir; + if (cmSystemTools::ReadRegistryValue(reg, dir, + cmSystemTools::KeyWOW64_32) && + cmSystemTools::PathExists(dir)) { + found = g->GeneratorName; + } + } + } + } + } + cmGlobalGenerator* gen = this->CreateGlobalGenerator(found); + if (!gen) { + gen = new cmGlobalNMakeMakefileGenerator(this); + } + return std::unique_ptr<cmGlobalGenerator>(gen); +#else + return cm::make_unique<cmGlobalUnixMakefileGenerator3>(this); +#endif +} + +void cmake::CreateDefaultGlobalGenerator() +{ + auto gen = this->EvaluateDefaultGlobalGenerator(); +#if defined(_WIN32) && !defined(__CYGWIN__) && !defined(CMAKE_BOOT_MINGW) + // This print could be unified for all platforms + std::cout << "-- Building for: " << gen->GetName() << "\n"; +#endif + this->SetGlobalGenerator(gen.release()); +} + +void cmake::PreLoadCMakeFiles() +{ + std::vector<std::string> args; + std::string pre_load = this->GetHomeDirectory(); + if (!pre_load.empty()) { + pre_load += "/PreLoad.cmake"; + if (cmSystemTools::FileExists(pre_load)) { + this->ReadListFile(args, pre_load); + } + } + pre_load = this->GetHomeOutputDirectory(); + if (!pre_load.empty()) { + pre_load += "/PreLoad.cmake"; + if (cmSystemTools::FileExists(pre_load)) { + this->ReadListFile(args, pre_load); + } + } +} + +// handle a command line invocation +int cmake::Run(const std::vector<std::string>& args, bool noconfigure) +{ + // Process the arguments + this->SetArgs(args); + if (cmSystemTools::GetErrorOccuredFlag()) { + return -1; + } + + // If we are given a stamp list file check if it is really out of date. + if (!this->CheckStampList.empty() && + cmakeCheckStampList(this->CheckStampList)) { + return 0; + } + + // If we are given a stamp file check if it is really out of date. + if (!this->CheckStampFile.empty() && + cmakeCheckStampFile(this->CheckStampFile)) { + return 0; + } + + if (this->GetWorkingMode() == NORMAL_MODE) { + // load the cache + if (this->LoadCache() < 0) { + cmSystemTools::Error("Error executing cmake::LoadCache(). Aborting.\n"); + return -1; + } + } else { + this->AddCMakePaths(); + } + + // Add any cache args + if (!this->SetCacheArgs(args)) { + cmSystemTools::Error("Problem processing arguments. Aborting.\n"); + return -1; + } + + // In script mode we terminate after running the script. + if (this->GetWorkingMode() != NORMAL_MODE) { + if (cmSystemTools::GetErrorOccuredFlag()) { + return -1; + } + return 0; + } + + // If MAKEFLAGS are given in the environment, remove the environment + // variable. This will prevent try-compile from succeeding when it + // should fail (if "-i" is an option). We cannot simply test + // whether "-i" is given and remove it because some make programs + // encode the MAKEFLAGS variable in a strange way. + if (cmSystemTools::HasEnv("MAKEFLAGS")) { + cmSystemTools::PutEnv("MAKEFLAGS="); + } + + this->PreLoadCMakeFiles(); + + if (noconfigure) { + return 0; + } + + // now run the global generate + // Check the state of the build system to see if we need to regenerate. + if (!this->CheckBuildSystem()) { + return 0; + } + + int ret = this->Configure(); + if (ret) { +#if defined(CMAKE_HAVE_VS_GENERATORS) + if (!this->VSSolutionFile.empty() && this->GlobalGenerator) { + // CMake is running to regenerate a Visual Studio build tree + // during a build from the VS IDE. The build files cannot be + // regenerated, so we should stop the build. + cmSystemTools::Message("CMake Configure step failed. " + "Build files cannot be regenerated correctly. " + "Attempting to stop IDE build."); + cmGlobalVisualStudioGenerator* gg = + static_cast<cmGlobalVisualStudioGenerator*>(this->GlobalGenerator); + gg->CallVisualStudioMacro(cmGlobalVisualStudioGenerator::MacroStop, + this->VSSolutionFile.c_str()); + } +#endif + return ret; + } + ret = this->Generate(); + std::string message = "Build files have been written to: "; + message += this->GetHomeOutputDirectory(); + this->UpdateProgress(message, -1); + return ret; +} + +int cmake::Generate() +{ + if (!this->GlobalGenerator) { + return -1; + } + if (!this->GlobalGenerator->Compute()) { + return -1; + } + this->GlobalGenerator->Generate(); + if (!this->GraphVizFile.empty()) { + std::cout << "Generate graphviz: " << this->GraphVizFile << std::endl; + this->GenerateGraphViz(this->GraphVizFile.c_str()); + } + if (this->WarnUnusedCli) { + this->RunCheckForUnusedVariables(); + } + if (cmSystemTools::GetErrorOccuredFlag()) { + return -1; + } + // Save the cache again after a successful Generate so that any internal + // variables created during Generate are saved. (Specifically target GUIDs + // for the Visual Studio and Xcode generators.) + this->SaveCache(this->GetHomeOutputDirectory()); + +#if defined(CMAKE_BUILD_WITH_CMAKE) + this->FileAPI->WriteReplies(); +#endif + + return 0; +} + +void cmake::AddCacheEntry(const std::string& key, const char* value, + const char* helpString, int type) +{ + this->State->AddCacheEntry(key, value, helpString, + cmStateEnums::CacheEntryType(type)); + this->UnwatchUnusedCli(key); + + if (key == "CMAKE_WARN_DEPRECATED") { + this->Messenger->SetSuppressDeprecatedWarnings( + value && cmSystemTools::IsOff(value)); + } else if (key == "CMAKE_ERROR_DEPRECATED") { + this->Messenger->SetDeprecatedWarningsAsErrors(cmSystemTools::IsOn(value)); + } else if (key == "CMAKE_SUPPRESS_DEVELOPER_WARNINGS") { + this->Messenger->SetSuppressDevWarnings(cmSystemTools::IsOn(value)); + } else if (key == "CMAKE_SUPPRESS_DEVELOPER_ERRORS") { + this->Messenger->SetDevWarningsAsErrors(value && + cmSystemTools::IsOff(value)); + } +} + +bool cmake::DoWriteGlobVerifyTarget() const +{ + return this->State->DoWriteGlobVerifyTarget(); +} + +std::string const& cmake::GetGlobVerifyScript() const +{ + return this->State->GetGlobVerifyScript(); +} + +std::string const& cmake::GetGlobVerifyStamp() const +{ + return this->State->GetGlobVerifyStamp(); +} + +void cmake::AddGlobCacheEntry(bool recurse, bool listDirectories, + bool followSymlinks, const std::string& relative, + const std::string& expression, + const std::vector<std::string>& files, + const std::string& variable, + cmListFileBacktrace const& backtrace) +{ + this->State->AddGlobCacheEntry(recurse, listDirectories, followSymlinks, + relative, expression, files, variable, + backtrace); +} + +std::string cmake::StripExtension(const std::string& file) const +{ + auto dotpos = file.rfind('.'); + if (dotpos != std::string::npos) { + auto ext = file.substr(dotpos + 1); +#if defined(_WIN32) || defined(__APPLE__) + ext = cmSystemTools::LowerCase(ext); +#endif + if (this->IsSourceExtension(ext) || this->IsHeaderExtension(ext)) { + return file.substr(0, dotpos); + } + } + return file; +} + +const char* cmake::GetCacheDefinition(const std::string& name) const +{ + const std::string* p = this->State->GetInitializedCacheValue(name); + return p ? p->c_str() : nullptr; +} + +void cmake::AddScriptingCommands() +{ + GetScriptingCommands(this->State); +} + +void cmake::AddProjectCommands() +{ + GetProjectCommands(this->State); +} + +void cmake::AddDefaultGenerators() +{ +#if defined(_WIN32) && !defined(__CYGWIN__) +# if !defined(CMAKE_BOOT_MINGW) + this->Generators.push_back( + cmGlobalVisualStudioVersionedGenerator::NewFactory16()); + this->Generators.push_back( + cmGlobalVisualStudioVersionedGenerator::NewFactory15()); + this->Generators.push_back(cmGlobalVisualStudio14Generator::NewFactory()); + this->Generators.push_back(cmGlobalVisualStudio12Generator::NewFactory()); + this->Generators.push_back(cmGlobalVisualStudio11Generator::NewFactory()); + this->Generators.push_back(cmGlobalVisualStudio10Generator::NewFactory()); + this->Generators.push_back(cmGlobalVisualStudio9Generator::NewFactory()); + this->Generators.push_back(cmGlobalBorlandMakefileGenerator::NewFactory()); + this->Generators.push_back(cmGlobalNMakeMakefileGenerator::NewFactory()); + this->Generators.push_back(cmGlobalJOMMakefileGenerator::NewFactory()); + this->Generators.push_back(cmGlobalGhsMultiGenerator::NewFactory()); +# endif + this->Generators.push_back(cmGlobalMSYSMakefileGenerator::NewFactory()); + this->Generators.push_back(cmGlobalMinGWMakefileGenerator::NewFactory()); +#endif + this->Generators.push_back(cmGlobalUnixMakefileGenerator3::NewFactory()); +#if defined(CMAKE_BUILD_WITH_CMAKE) + this->Generators.push_back(cmGlobalNinjaGenerator::NewFactory()); +#endif +#if defined(CMAKE_USE_WMAKE) + this->Generators.push_back(cmGlobalWatcomWMakeGenerator::NewFactory()); +#endif +#ifdef CMAKE_USE_XCODE + this->Generators.push_back(cmGlobalXCodeGenerator::NewFactory()); +#endif +} + +bool cmake::ParseCacheEntry(const std::string& entry, std::string& var, + std::string& value, + cmStateEnums::CacheEntryType& type) +{ + return cmState::ParseCacheEntry(entry, var, value, type); +} + +int cmake::LoadCache() +{ + // could we not read the cache + if (!this->LoadCache(this->GetHomeOutputDirectory())) { + // if it does exist, but isn't readable then warn the user + std::string cacheFile = this->GetHomeOutputDirectory(); + cacheFile += "/CMakeCache.txt"; + if (cmSystemTools::FileExists(cacheFile)) { + cmSystemTools::Error( + "There is a CMakeCache.txt file for the current binary tree but " + "cmake does not have permission to read it. Please check the " + "permissions of the directory you are trying to run CMake on."); + return -1; + } + } + + // setup CMAKE_ROOT and CMAKE_COMMAND + if (!this->AddCMakePaths()) { + return -3; + } + return 0; +} + +bool cmake::LoadCache(const std::string& path) +{ + std::set<std::string> emptySet; + return this->LoadCache(path, true, emptySet, emptySet); +} + +bool cmake::LoadCache(const std::string& path, bool internal, + std::set<std::string>& excludes, + std::set<std::string>& includes) +{ + bool result = this->State->LoadCache(path, internal, excludes, includes); + static const auto entries = { "CMAKE_CACHE_MAJOR_VERSION", + "CMAKE_CACHE_MINOR_VERSION" }; + for (auto const& entry : entries) { + this->UnwatchUnusedCli(entry); + } + return result; +} + +bool cmake::SaveCache(const std::string& path) +{ + bool result = this->State->SaveCache(path, this->GetMessenger()); + static const auto entries = { "CMAKE_CACHE_MAJOR_VERSION", + "CMAKE_CACHE_MINOR_VERSION", + "CMAKE_CACHE_PATCH_VERSION", + "CMAKE_CACHEFILE_DIR" }; + for (auto const& entry : entries) { + this->UnwatchUnusedCli(entry); + } + return result; +} + +bool cmake::DeleteCache(const std::string& path) +{ + return this->State->DeleteCache(path); +} + +void cmake::SetProgressCallback(ProgressCallbackType f) +{ + this->ProgressCallback = std::move(f); +} + +void cmake::UpdateProgress(const std::string& msg, float prog) +{ + if (this->ProgressCallback && !this->State->GetIsInTryCompile()) { + this->ProgressCallback(msg, prog); + } +} + +bool cmake::GetIsInTryCompile() const +{ + return this->State->GetIsInTryCompile(); +} + +void cmake::SetIsInTryCompile(bool b) +{ + this->State->SetIsInTryCompile(b); +} + +void cmake::AppendGlobalGeneratorsDocumentation( + std::vector<cmDocumentationEntry>& v) +{ + const auto defaultGenerator = this->EvaluateDefaultGlobalGenerator(); + const std::string defaultName = defaultGenerator->GetName(); + bool foundDefaultOne = false; + + for (cmGlobalGeneratorFactory* g : this->Generators) { + cmDocumentationEntry e; + g->GetDocumentation(e); + if (!foundDefaultOne && + cmSystemTools::StringStartsWith(e.Name, defaultName.c_str())) { + e.CustomNamePrefix = '*'; + foundDefaultOne = true; + } + v.push_back(std::move(e)); + } +} + +void cmake::AppendExtraGeneratorsDocumentation( + std::vector<cmDocumentationEntry>& v) +{ + for (cmExternalMakefileProjectGeneratorFactory* eg : this->ExtraGenerators) { + const std::string doc = eg->GetDocumentation(); + const std::string name = eg->GetName(); + + // Aliases: + for (std::string const& a : eg->Aliases) { + cmDocumentationEntry e; + e.Name = a; + e.Brief = doc; + v.push_back(std::move(e)); + } + + // Full names: + const std::vector<std::string> generators = + eg->GetSupportedGlobalGenerators(); + for (std::string const& g : generators) { + cmDocumentationEntry e; + e.Name = + cmExternalMakefileProjectGenerator::CreateFullGeneratorName(g, name); + e.Brief = doc; + v.push_back(std::move(e)); + } + } +} + +std::vector<cmDocumentationEntry> cmake::GetGeneratorsDocumentation() +{ + std::vector<cmDocumentationEntry> v; + this->AppendGlobalGeneratorsDocumentation(v); + this->AppendExtraGeneratorsDocumentation(v); + return v; +} + +void cmake::PrintGeneratorList() +{ +#ifdef CMAKE_BUILD_WITH_CMAKE + cmDocumentation doc; + auto generators = this->GetGeneratorsDocumentation(); + doc.AppendSection("Generators", generators); + std::cerr << "\n"; + doc.PrintDocumentation(cmDocumentation::ListGenerators, std::cerr); +#endif +} + +void cmake::UpdateConversionPathTable() +{ + // Update the path conversion table with any specified file: + const std::string* tablepath = + this->State->GetInitializedCacheValue("CMAKE_PATH_TRANSLATION_FILE"); + + if (tablepath) { + cmsys::ifstream table(tablepath->c_str()); + if (!table) { + cmSystemTools::Error("CMAKE_PATH_TRANSLATION_FILE set to " + *tablepath + + ". CMake can not open file."); + cmSystemTools::ReportLastSystemError("CMake can not open file."); + } else { + std::string a, b; + while (!table.eof()) { + // two entries per line + table >> a; + table >> b; + cmSystemTools::AddTranslationPath(a, b); + } + } + } +} + +int cmake::CheckBuildSystem() +{ + // We do not need to rerun CMake. Check dependency integrity. + const bool verbose = isCMakeVerbose(); + + // This method will check the integrity of the build system if the + // option was given on the command line. It reads the given file to + // determine whether CMake should rerun. + + // If no file is provided for the check, we have to rerun. + if (this->CheckBuildSystemArgument.empty()) { + if (verbose) { + std::ostringstream msg; + msg << "Re-run cmake no build system arguments\n"; + cmSystemTools::Stdout(msg.str()); + } + return 1; + } + + // If the file provided does not exist, we have to rerun. + if (!cmSystemTools::FileExists(this->CheckBuildSystemArgument)) { + if (verbose) { + std::ostringstream msg; + msg << "Re-run cmake missing file: " << this->CheckBuildSystemArgument + << "\n"; + cmSystemTools::Stdout(msg.str()); + } + return 1; + } + + // Read the rerun check file and use it to decide whether to do the + // global generate. + // Actually, all we need is the `set` command. + cmake cm(RoleScript, cmState::Unknown); + cm.SetHomeDirectory(""); + cm.SetHomeOutputDirectory(""); + cm.GetCurrentSnapshot().SetDefaultDefinitions(); + cmGlobalGenerator gg(&cm); + cmMakefile mf(&gg, cm.GetCurrentSnapshot()); + if (!mf.ReadListFile(this->CheckBuildSystemArgument) || + cmSystemTools::GetErrorOccuredFlag()) { + if (verbose) { + std::ostringstream msg; + msg << "Re-run cmake error reading : " << this->CheckBuildSystemArgument + << "\n"; + cmSystemTools::Stdout(msg.str()); + } + // There was an error reading the file. Just rerun. + return 1; + } + + if (this->ClearBuildSystem) { + // Get the generator used for this build system. + const char* genName = mf.GetDefinition("CMAKE_DEPENDS_GENERATOR"); + if (!genName || genName[0] == '\0') { + genName = "Unix Makefiles"; + } + + // Create the generator and use it to clear the dependencies. + std::unique_ptr<cmGlobalGenerator> ggd( + this->CreateGlobalGenerator(genName)); + if (ggd) { + cm.GetCurrentSnapshot().SetDefaultDefinitions(); + cmMakefile mfd(ggd.get(), cm.GetCurrentSnapshot()); + std::unique_ptr<cmLocalGenerator> lgd(ggd->CreateLocalGenerator(&mfd)); + lgd->ClearDependencies(&mfd, verbose); + } + } + + // If any byproduct of makefile generation is missing we must re-run. + std::vector<std::string> products; + if (const char* productStr = mf.GetDefinition("CMAKE_MAKEFILE_PRODUCTS")) { + cmSystemTools::ExpandListArgument(productStr, products); + } + for (std::string const& p : products) { + if (!(cmSystemTools::FileExists(p) || cmSystemTools::FileIsSymlink(p))) { + if (verbose) { + std::ostringstream msg; + msg << "Re-run cmake, missing byproduct: " << p << "\n"; + cmSystemTools::Stdout(msg.str()); + } + return 1; + } + } + + // Get the set of dependencies and outputs. + std::vector<std::string> depends; + std::vector<std::string> outputs; + const char* dependsStr = mf.GetDefinition("CMAKE_MAKEFILE_DEPENDS"); + const char* outputsStr = mf.GetDefinition("CMAKE_MAKEFILE_OUTPUTS"); + if (dependsStr && outputsStr) { + cmSystemTools::ExpandListArgument(dependsStr, depends); + cmSystemTools::ExpandListArgument(outputsStr, outputs); + } + if (depends.empty() || outputs.empty()) { + // Not enough information was provided to do the test. Just rerun. + if (verbose) { + std::ostringstream msg; + msg << "Re-run cmake no CMAKE_MAKEFILE_DEPENDS " + "or CMAKE_MAKEFILE_OUTPUTS :\n"; + cmSystemTools::Stdout(msg.str()); + } + return 1; + } + + // Find the newest dependency. + std::vector<std::string>::iterator dep = depends.begin(); + std::string dep_newest = *dep++; + for (; dep != depends.end(); ++dep) { + int result = 0; + if (this->FileComparison->FileTimeCompare(dep_newest, *dep, &result)) { + if (result < 0) { + dep_newest = *dep; + } + } else { + if (verbose) { + std::ostringstream msg; + msg << "Re-run cmake: build system dependency is missing\n"; + cmSystemTools::Stdout(msg.str()); + } + return 1; + } + } + + // Find the oldest output. + std::vector<std::string>::iterator out = outputs.begin(); + std::string out_oldest = *out++; + for (; out != outputs.end(); ++out) { + int result = 0; + if (this->FileComparison->FileTimeCompare(out_oldest, *out, &result)) { + if (result > 0) { + out_oldest = *out; + } + } else { + if (verbose) { + std::ostringstream msg; + msg << "Re-run cmake: build system output is missing\n"; + cmSystemTools::Stdout(msg.str()); + } + return 1; + } + } + + // If any output is older than any dependency then rerun. + { + int result = 0; + if (!this->FileComparison->FileTimeCompare(out_oldest, dep_newest, + &result) || + result < 0) { + if (verbose) { + std::ostringstream msg; + msg << "Re-run cmake file: " << out_oldest + << " older than: " << dep_newest << "\n"; + cmSystemTools::Stdout(msg.str()); + } + return 1; + } + } + + // No need to rerun. + return 0; +} + +void cmake::TruncateOutputLog(const char* fname) +{ + std::string fullPath = this->GetHomeOutputDirectory(); + fullPath += "/"; + fullPath += fname; + struct stat st; + if (::stat(fullPath.c_str(), &st)) { + return; + } + if (!this->State->GetInitializedCacheValue("CMAKE_CACHEFILE_DIR")) { + cmSystemTools::RemoveFile(fullPath); + return; + } + off_t fsize = st.st_size; + const off_t maxFileSize = 50 * 1024; + if (fsize < maxFileSize) { + // TODO: truncate file + return; + } +} + +inline std::string removeQuotes(const std::string& s) +{ + if (s.front() == '\"' && s.back() == '\"') { + return s.substr(1, s.size() - 2); + } + return s; +} + +void cmake::MarkCliAsUsed(const std::string& variable) +{ + this->UsedCliVariables[variable] = true; +} + +void cmake::GenerateGraphViz(const char* fileName) const +{ +#ifdef CMAKE_BUILD_WITH_CMAKE + cmGraphVizWriter gvWriter(this->GetGlobalGenerator()); + + std::string settingsFile = this->GetHomeOutputDirectory(); + settingsFile += "/CMakeGraphVizOptions.cmake"; + std::string fallbackSettingsFile = this->GetHomeDirectory(); + fallbackSettingsFile += "/CMakeGraphVizOptions.cmake"; + + gvWriter.ReadSettings(settingsFile.c_str(), fallbackSettingsFile.c_str()); + + gvWriter.WritePerTargetFiles(fileName); + gvWriter.WriteTargetDependersFiles(fileName); + gvWriter.WriteGlobalFile(fileName); + +#endif +} + +void cmake::SetProperty(const std::string& prop, const char* value) +{ + this->State->SetGlobalProperty(prop, value); +} + +void cmake::AppendProperty(const std::string& prop, const char* value, + bool asString) +{ + this->State->AppendGlobalProperty(prop, value, asString); +} + +const char* cmake::GetProperty(const std::string& prop) +{ + return this->State->GetGlobalProperty(prop); +} + +bool cmake::GetPropertyAsBool(const std::string& prop) +{ + return this->State->GetGlobalPropertyAsBool(prop); +} + +cmInstalledFile* cmake::GetOrCreateInstalledFile(cmMakefile* mf, + const std::string& name) +{ + std::map<std::string, cmInstalledFile>::iterator i = + this->InstalledFiles.find(name); + + if (i != this->InstalledFiles.end()) { + cmInstalledFile& file = i->second; + return &file; + } + cmInstalledFile& file = this->InstalledFiles[name]; + file.SetName(mf, name); + return &file; +} + +cmInstalledFile const* cmake::GetInstalledFile(const std::string& name) const +{ + std::map<std::string, cmInstalledFile>::const_iterator i = + this->InstalledFiles.find(name); + + if (i != this->InstalledFiles.end()) { + cmInstalledFile const& file = i->second; + return &file; + } + return nullptr; +} + +int cmake::GetSystemInformation(std::vector<std::string>& args) +{ + // so create the directory + std::string resultFile; + std::string cwd = cmSystemTools::GetCurrentWorkingDirectory(); + std::string destPath = cwd + "/__cmake_systeminformation"; + cmSystemTools::RemoveADirectory(destPath); + if (!cmSystemTools::MakeDirectory(destPath)) { + std::cerr << "Error: --system-information must be run from a " + "writable directory!\n"; + return 1; + } + + // process the arguments + bool writeToStdout = true; + for (unsigned int i = 1; i < args.size(); ++i) { + std::string const& arg = args[i]; + if (arg.find("-G", 0) == 0) { + std::string value = arg.substr(2); + if (value.empty()) { + ++i; + if (i >= args.size()) { + cmSystemTools::Error("No generator specified for -G"); + this->PrintGeneratorList(); + return -1; + } + value = args[i]; + } + cmGlobalGenerator* gen = this->CreateGlobalGenerator(value); + if (!gen) { + cmSystemTools::Error("Could not create named generator " + value); + this->PrintGeneratorList(); + } else { + this->SetGlobalGenerator(gen); + } + } + // no option assume it is the output file + else { + if (!cmSystemTools::FileIsFullPath(arg)) { + resultFile = cwd; + resultFile += "/"; + } + resultFile += arg; + writeToStdout = false; + } + } + + // we have to find the module directory, so we can copy the files + this->AddCMakePaths(); + std::string modulesPath = cmSystemTools::GetCMakeRoot(); + modulesPath += "/Modules"; + std::string inFile = modulesPath; + inFile += "/SystemInformation.cmake"; + std::string outFile = destPath; + outFile += "/CMakeLists.txt"; + + // Copy file + if (!cmsys::SystemTools::CopyFileAlways(inFile, outFile)) { + std::cerr << "Error copying file \"" << inFile << "\" to \"" << outFile + << "\".\n"; + return 1; + } + + // do we write to a file or to stdout? + if (resultFile.empty()) { + resultFile = cwd; + resultFile += "/__cmake_systeminformation/results.txt"; + } + + { + // now run cmake on the CMakeLists file + cmWorkingDirectory workdir(destPath); + if (workdir.Failed()) { + // We created the directory and we were able to copy the CMakeLists.txt + // file to it, so we wouldn't expect to get here unless the default + // permissions are questionable or some other process has deleted the + // directory + std::cerr << "Failed to change to directory " << destPath << " : " + << std::strerror(workdir.GetLastResult()) << std::endl; + return 1; + } + std::vector<std::string> args2; + args2.push_back(args[0]); + args2.push_back(destPath); + args2.push_back("-DRESULT_FILE=" + resultFile); + int res = this->Run(args2, false); + + if (res != 0) { + std::cerr << "Error: --system-information failed on internal CMake!\n"; + return res; + } + } + + // echo results to stdout if needed + if (writeToStdout) { + FILE* fin = cmsys::SystemTools::Fopen(resultFile, "r"); + if (fin) { + const int bufferSize = 4096; + char buffer[bufferSize]; + size_t n; + while ((n = fread(buffer, 1, bufferSize, fin)) > 0) { + for (char* c = buffer; c < buffer + n; ++c) { + putc(*c, stdout); + } + fflush(stdout); + } + fclose(fin); + } + } + + // clean up the directory + cmSystemTools::RemoveADirectory(destPath); + return 0; +} + +static bool cmakeCheckStampFile(const std::string& stampName, bool verbose) +{ + // The stamp file does not exist. Use the stamp dependencies to + // determine whether it is really out of date. This works in + // conjunction with cmLocalVisualStudio7Generator to avoid + // repeatedly re-running CMake when the user rebuilds the entire + // solution. + std::string stampDepends = stampName; + stampDepends += ".depend"; +#if defined(_WIN32) || defined(__CYGWIN__) + cmsys::ifstream fin(stampDepends.c_str(), std::ios::in | std::ios::binary); +#else + cmsys::ifstream fin(stampDepends.c_str()); +#endif + if (!fin) { + // The stamp dependencies file cannot be read. Just assume the + // build system is really out of date. + std::cout << "CMake is re-running because " << stampName + << " dependency file is missing.\n"; + return false; + } + + // Compare the stamp dependencies against the dependency file itself. + cmFileTimeComparison ftc; + std::string dep; + while (cmSystemTools::GetLineFromStream(fin, dep)) { + int result; + if (!dep.empty() && dep[0] != '#' && + (!ftc.FileTimeCompare(stampDepends, dep, &result) || result < 0)) { + // The stamp depends file is older than this dependency. The + // build system is really out of date. + std::cout << "CMake is re-running because " << stampName + << " is out-of-date.\n"; + std::cout << " the file '" << dep << "'\n"; + std::cout << " is newer than '" << stampDepends << "'\n"; + std::cout << " result='" << result << "'\n"; + return false; + } + } + + // The build system is up to date. The stamp file has been removed + // by the VS IDE due to a "rebuild" request. Restore it atomically. + std::ostringstream stampTempStream; + stampTempStream << stampName << ".tmp" << cmSystemTools::RandomSeed(); + std::string stampTemp = stampTempStream.str(); + { + // TODO: Teach cmGeneratedFileStream to use a random temp file (with + // multiple tries in unlikely case of conflict) and use that here. + cmsys::ofstream stamp(stampTemp.c_str()); + stamp << "# CMake generation timestamp file for this directory.\n"; + } + if (cmSystemTools::RenameFile(stampTemp, stampName)) { + if (verbose) { + // Notify the user why CMake is not re-running. It is safe to + // just print to stdout here because this code is only reachable + // through an undocumented flag used by the VS generator. + std::cout << "CMake does not need to re-run because " << stampName + << " is up-to-date.\n"; + } + return true; + } + cmSystemTools::RemoveFile(stampTemp); + cmSystemTools::Error("Cannot restore timestamp " + stampName); + return false; +} + +static bool cmakeCheckStampList(const std::string& stampList, bool verbose) +{ + // If the stamp list does not exist CMake must rerun to generate it. + if (!cmSystemTools::FileExists(stampList)) { + std::cout << "CMake is re-running because generate.stamp.list " + << "is missing.\n"; + return false; + } + cmsys::ifstream fin(stampList.c_str()); + if (!fin) { + std::cout << "CMake is re-running because generate.stamp.list " + << "could not be read.\n"; + return false; + } + + // Check each stamp. + std::string stampName; + while (cmSystemTools::GetLineFromStream(fin, stampName)) { + if (!cmakeCheckStampFile(stampName, verbose)) { + return false; + } + } + return true; +} + +void cmake::IssueMessage(MessageType t, std::string const& text, + cmListFileBacktrace const& backtrace) const +{ + this->Messenger->IssueMessage(t, text, backtrace); +} + +std::vector<std::string> cmake::GetDebugConfigs() +{ + std::vector<std::string> configs; + if (const char* config_list = + this->State->GetGlobalProperty("DEBUG_CONFIGURATIONS")) { + // Expand the specified list and convert to upper-case. + cmSystemTools::ExpandListArgument(config_list, configs); + std::transform(configs.begin(), configs.end(), configs.begin(), + cmSystemTools::UpperCase); + } + // If no configurations were specified, use a default list. + if (configs.empty()) { + configs.emplace_back("DEBUG"); + } + return configs; +} + +cmMessenger* cmake::GetMessenger() const +{ + return this->Messenger; +} + +int cmake::Build(int jobs, const std::string& dir, const std::string& target, + const std::string& config, + const std::vector<std::string>& nativeOptions, bool clean, + bool verbose) +{ + + this->SetHomeDirectory(""); + this->SetHomeOutputDirectory(""); + if (!cmSystemTools::FileIsDirectory(dir)) { + std::cerr << "Error: " << dir << " is not a directory\n"; + return 1; + } + + std::string cachePath = FindCacheFile(dir); + if (!this->LoadCache(cachePath)) { + std::cerr << "Error: could not load cache\n"; + return 1; + } + const char* cachedGenerator = + this->State->GetCacheEntryValue("CMAKE_GENERATOR"); + if (!cachedGenerator) { + std::cerr << "Error: could not find CMAKE_GENERATOR in Cache\n"; + return 1; + } + cmGlobalGenerator* gen = this->CreateGlobalGenerator(cachedGenerator); + if (!gen) { + std::cerr << "Error: could create CMAKE_GENERATOR \"" << cachedGenerator + << "\"\n"; + return 1; + } + this->SetGlobalGenerator(gen); + const char* cachedGeneratorInstance = + this->State->GetCacheEntryValue("CMAKE_GENERATOR_INSTANCE"); + if (cachedGeneratorInstance) { + cmMakefile mf(gen, this->GetCurrentSnapshot()); + if (!gen->SetGeneratorInstance(cachedGeneratorInstance, &mf)) { + return 1; + } + } + const char* cachedGeneratorPlatform = + this->State->GetCacheEntryValue("CMAKE_GENERATOR_PLATFORM"); + if (cachedGeneratorPlatform) { + cmMakefile mf(gen, this->GetCurrentSnapshot()); + if (!gen->SetGeneratorPlatform(cachedGeneratorPlatform, &mf)) { + return 1; + } + } + std::string output; + std::string projName; + const char* cachedProjectName = + this->State->GetCacheEntryValue("CMAKE_PROJECT_NAME"); + if (!cachedProjectName) { + std::cerr << "Error: could not find CMAKE_PROJECT_NAME in Cache\n"; + return 1; + } + projName = cachedProjectName; + + const char* cachedVerbose = + this->State->GetCacheEntryValue("CMAKE_VERBOSE_MAKEFILE"); + if (cmSystemTools::IsOn(cachedVerbose)) { + verbose = true; + } + +#ifdef CMAKE_HAVE_VS_GENERATORS + // For VS generators, explicitly check if regeneration is necessary before + // actually starting the build. If not done separately from the build + // itself, there is the risk of building an out-of-date solution file due + // to limitations of the underlying build system. + std::string const stampList = cachePath + "/" + "CMakeFiles/" + + cmGlobalVisualStudio9Generator::GetGenerateStampList(); + + // Note that the stampList file only exists for VS generators. + if (cmSystemTools::FileExists(stampList)) { + + // Check if running for Visual Studio 9 - we need to explicitly run + // the glob verification script before starting the build + this->AddScriptingCommands(); + if (this->GlobalGenerator->MatchesGeneratorName("Visual Studio 9 2008")) { + std::string const globVerifyScript = + cachePath + "/" + "CMakeFiles/" + "VerifyGlobs.cmake"; + if (cmSystemTools::FileExists(globVerifyScript)) { + std::vector<std::string> args; + this->ReadListFile(args, globVerifyScript); + } + } + + if (!cmakeCheckStampList(stampList, false)) { + // Correctly initialize the home (=source) and home output (=binary) + // directories, which is required for running the generation step. + std::string homeOrig = this->GetHomeDirectory(); + std::string homeOutputOrig = this->GetHomeOutputDirectory(); + this->SetDirectoriesFromFile(cachePath.c_str()); + + this->AddProjectCommands(); + + int ret = this->Configure(); + if (ret) { + cmSystemTools::Message("CMake Configure step failed. " + "Build files cannot be regenerated correctly."); + return ret; + } + ret = this->Generate(); + if (ret) { + cmSystemTools::Message("CMake Generate step failed. " + "Build files cannot be regenerated correctly."); + return ret; + } + std::string message = "Build files have been written to: "; + message += this->GetHomeOutputDirectory(); + this->UpdateProgress(message, -1); + + // Restore the previously set directories to their original value. + this->SetHomeDirectory(homeOrig); + this->SetHomeOutputDirectory(homeOutputOrig); + } + } +#endif + + gen->PrintBuildCommandAdvice(std::cerr, jobs); + + return gen->Build(jobs, "", dir, projName, target, output, "", config, clean, + false, verbose, cmDuration::zero(), + cmSystemTools::OUTPUT_PASSTHROUGH, nativeOptions); +} + +bool cmake::Open(const std::string& dir, bool dryRun) +{ + this->SetHomeDirectory(""); + this->SetHomeOutputDirectory(""); + if (!cmSystemTools::FileIsDirectory(dir)) { + std::cerr << "Error: " << dir << " is not a directory\n"; + return false; + } + + std::string cachePath = FindCacheFile(dir); + if (!this->LoadCache(cachePath)) { + std::cerr << "Error: could not load cache\n"; + return false; + } + const char* genName = this->State->GetCacheEntryValue("CMAKE_GENERATOR"); + if (!genName) { + std::cerr << "Error: could not find CMAKE_GENERATOR in Cache\n"; + return false; + } + const std::string* extraGenName = + this->State->GetInitializedCacheValue("CMAKE_EXTRA_GENERATOR"); + std::string fullName = + cmExternalMakefileProjectGenerator::CreateFullGeneratorName( + genName, extraGenName ? *extraGenName : ""); + + std::unique_ptr<cmGlobalGenerator> gen( + this->CreateGlobalGenerator(fullName)); + if (!gen) { + std::cerr << "Error: could create CMAKE_GENERATOR \"" << fullName + << "\"\n"; + return false; + } + + const char* cachedProjectName = + this->State->GetCacheEntryValue("CMAKE_PROJECT_NAME"); + if (!cachedProjectName) { + std::cerr << "Error: could not find CMAKE_PROJECT_NAME in Cache\n"; + return false; + } + + return gen->Open(dir, cachedProjectName, dryRun); +} + +void cmake::WatchUnusedCli(const std::string& var) +{ +#ifdef CMAKE_BUILD_WITH_CMAKE + this->VariableWatch->AddWatch(var, cmWarnUnusedCliWarning, this); + if (this->UsedCliVariables.find(var) == this->UsedCliVariables.end()) { + this->UsedCliVariables[var] = false; + } +#endif +} + +void cmake::UnwatchUnusedCli(const std::string& var) +{ +#ifdef CMAKE_BUILD_WITH_CMAKE + this->VariableWatch->RemoveWatch(var, cmWarnUnusedCliWarning); + this->UsedCliVariables.erase(var); +#endif +} + +void cmake::RunCheckForUnusedVariables() +{ +#ifdef CMAKE_BUILD_WITH_CMAKE + bool haveUnused = false; + std::ostringstream msg; + msg << "Manually-specified variables were not used by the project:"; + for (auto const& it : this->UsedCliVariables) { + if (!it.second) { + haveUnused = true; + msg << "\n " << it.first; + } + } + if (haveUnused) { + this->IssueMessage(MessageType::WARNING, msg.str()); + } +#endif +} + +bool cmake::GetSuppressDevWarnings() const +{ + return this->Messenger->GetSuppressDevWarnings(); +} + +void cmake::SetSuppressDevWarnings(bool b) +{ + std::string value; + + // equivalent to -Wno-dev + if (b) { + value = "TRUE"; + } + // equivalent to -Wdev + else { + value = "FALSE"; + } + + this->AddCacheEntry("CMAKE_SUPPRESS_DEVELOPER_WARNINGS", value.c_str(), + "Suppress Warnings that are meant for" + " the author of the CMakeLists.txt files.", + cmStateEnums::INTERNAL); +} + +bool cmake::GetSuppressDeprecatedWarnings() const +{ + return this->Messenger->GetSuppressDeprecatedWarnings(); +} + +void cmake::SetSuppressDeprecatedWarnings(bool b) +{ + std::string value; + + // equivalent to -Wno-deprecated + if (b) { + value = "FALSE"; + } + // equivalent to -Wdeprecated + else { + value = "TRUE"; + } + + this->AddCacheEntry("CMAKE_WARN_DEPRECATED", value.c_str(), + "Whether to issue warnings for deprecated " + "functionality.", + cmStateEnums::INTERNAL); +} + +bool cmake::GetDevWarningsAsErrors() const +{ + return this->Messenger->GetDevWarningsAsErrors(); +} + +void cmake::SetDevWarningsAsErrors(bool b) +{ + std::string value; + + // equivalent to -Werror=dev + if (b) { + value = "FALSE"; + } + // equivalent to -Wno-error=dev + else { + value = "TRUE"; + } + + this->AddCacheEntry("CMAKE_SUPPRESS_DEVELOPER_ERRORS", value.c_str(), + "Suppress errors that are meant for" + " the author of the CMakeLists.txt files.", + cmStateEnums::INTERNAL); +} + +bool cmake::GetDeprecatedWarningsAsErrors() const +{ + return this->Messenger->GetDeprecatedWarningsAsErrors(); +} + +void cmake::SetDeprecatedWarningsAsErrors(bool b) +{ + std::string value; + + // equivalent to -Werror=deprecated + if (b) { + value = "TRUE"; + } + // equivalent to -Wno-error=deprecated + else { + value = "FALSE"; + } + + this->AddCacheEntry("CMAKE_ERROR_DEPRECATED", value.c_str(), + "Whether to issue deprecation errors for macros" + " and functions.", + cmStateEnums::INTERNAL); +} |