index : Qt.git	QT_5_12_3 QT_5_13_1 QT_5_13_2 QT_5_14 master
	Qt s a cross-platform application framework that is used for developing application software that can be run on various software and hardware platforms with little or no change in the underlying codebase, while still being a native application with native capabilities and speed.

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path: root/tests/auto/qtooltip

	Commit message (Collapse)	Author	Age	Files	Lines
*	Update tech preview license header.	Jason McDonald	2009-08-31	1	-13/+13
| | | |	Reviewed-by: Trust Me
*	Update license headers.	Jason McDonald	2009-08-11	1	-1/+1
| | | |	Reviewed-by: Trust Me
*	Update license headers as requested by the marketing department.	Jason McDonald	2009-06-16	1	-2/+2
| | | |	Reviewed-by: Trust Me
*	Long live Qt 4.5!	Lars Knoll	2009-03-23	3	-0/+162

generated by cgit v0.12 at 2025-01-15 16:19:01 (GMT)

/* 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 <algorithm>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <initializer_list>
#include <iostream>
#include <sstream>
#include <stdexcept>
#include <utility>

#include <cm/memory>
#include <cm/optional>
#include <cm/string_view>
#if defined(_WIN32) && !defined(__CYGWIN__) && !defined(CMAKE_BOOT_MINGW)
#  include <cm/iterator>
#endif

#include <cmext/algorithm>
#include <cmext/string_view>

#include "cmsys/FStream.hxx"
#include "cmsys/Glob.hxx"
#include "cmsys/RegularExpression.hxx"

#include "cm_sys_stat.h"

#include "cmBuildOptions.h"
#include "cmCMakePath.h"
#include "cmCMakePresetsGraph.h"
#include "cmCommandLineArgument.h"
#include "cmCommands.h"
#include "cmDocumentation.h"
#include "cmDocumentationEntry.h"
#include "cmDocumentationFormatter.h"
#include "cmDuration.h"
#include "cmExternalMakefileProjectGenerator.h"
#include "cmFileTimeCache.h"
#include "cmGeneratorTarget.h"
#include "cmGlobalGenerator.h"
#include "cmGlobalGeneratorFactory.h"
#include "cmLinkLineComputer.h"
#include "cmLocalGenerator.h"
#include "cmMakefile.h"
#if !defined(CMAKE_BOOTSTRAP)
#  include "cmMakefileProfilingData.h"
#endif
#include "cmMessenger.h"
#include "cmState.h"
#include "cmStateDirectory.h"
#include "cmStringAlgorithms.h"
#include "cmSystemTools.h"
#include "cmTarget.h"
#include "cmTargetLinkLibraryType.h"
#include "cmUtils.hxx"
#include "cmVersionConfig.h"
#include "cmWorkingDirectory.h"

#if !defined(CMAKE_BOOTSTRAP)
#  include <unordered_map>

#  include <cm3p/json/writer.h>

#  include "cmFileAPI.h"
#  include "cmGraphVizWriter.h"
#  include "cmVariableWatch.h"
#endif

#if defined(__MINGW32__) && defined(CMAKE_BOOTSTRAP)
#  define CMAKE_BOOT_MINGW
#endif

// include the generator
#if defined(_WIN32) && !defined(__CYGWIN__)
#  if !defined(CMAKE_BOOT_MINGW)
#    include <cmext/memory>

#    include "cmGlobalBorlandMakefileGenerator.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
#if !defined(CMAKE_BOOTSTRAP)
#  include "cmGlobalNinjaGenerator.h"
#  include "cmGlobalUnixMakefileGenerator3.h"
#elif defined(CMAKE_BOOTSTRAP_MAKEFILES)
#  include "cmGlobalUnixMakefileGenerator3.h"
#elif defined(CMAKE_BOOTSTRAP_NINJA)
#  include "cmGlobalNinjaGenerator.h"
#endif

#if !defined(CMAKE_BOOTSTRAP)
#  include "cmExtraCodeBlocksGenerator.h"
#  include "cmExtraCodeLiteGenerator.h"
#  include "cmExtraEclipseCDT4Generator.h"
#  include "cmExtraKateGenerator.h"
#  include "cmExtraSublimeTextGenerator.h"
#endif

// NOTE: the __linux__ macro is predefined on Android host too, but
// main CMakeLists.txt filters out this generator by host name.
#if (defined(__linux__) && !defined(__ANDROID__)) || defined(_WIN32)
#  include "cmGlobalGhsMultiGenerator.h"
#endif

#if defined(__APPLE__)
#  if !defined(CMAKE_BOOTSTRAP)
#    include "cmGlobalXCodeGenerator.h"

#    define CMAKE_USE_XCODE 1
#  endif
#  include <sys/resource.h>
#  include <sys/time.h>
#endif

namespace {

#if !defined(CMAKE_BOOTSTRAP)
using JsonValueMapType = std::unordered_map<std::string, Json::Value>;
#endif

auto IgnoreAndTrueLambda = [](std::string const&, cmake*) -> bool {
  return true;
};

using CommandArgument =
  cmCommandLineArgument<bool(std::string const& value, cmake* state)>;

} // namespace

static bool cmakeCheckStampFile(const std::string& stampName);
static bool cmakeCheckStampList(const std::string& stampList);

#ifndef CMAKE_BOOTSTRAP
static 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);
}
#endif

cmake::cmake(Role role, cmState::Mode mode, cmState::ProjectKind projectKind)
  : CMakeWorkingDirectory(cmSystemTools::GetCurrentWorkingDirectory())
  , FileTimeCache(cm::make_unique<cmFileTimeCache>())
#ifndef CMAKE_BOOTSTRAP
  , VariableWatch(cm::make_unique<cmVariableWatch>())
#endif
  , State(cm::make_unique<cmState>(mode, projectKind))
  , Messenger(cm::make_unique<cmMessenger>())
{
  this->TraceFile.close();
  this->CurrentSnapshot = this->State->CreateBaseSnapshot();

#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->AddDefaultGenerators();
  this->AddDefaultExtraGenerators();
  if (role == RoleScript || role == RoleProject) {
    this->AddScriptingCommands();
  }
  if (role == RoleProject) {
    this->AddProjectCommands();
  }

  if (mode == cmState::Project) {
    this->LoadEnvironmentPresets();
  }

  // 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.
  {
    auto setupExts = [](FileExtensions& exts,
                        std::initializer_list<cm::string_view> extList) {
      // Fill ordered vector
      exts.ordered.reserve(extList.size());
      for (cm::string_view ext : extList) {
        exts.ordered.emplace_back(ext);
      }
      // Fill unordered set
      exts.unordered.insert(exts.ordered.begin(), exts.ordered.end());
    };

    // The "c" extension MUST precede the "C" extension.
    setupExts(this->CLikeSourceFileExtensions,
              { "c", "C", "c++", "cc", "cpp", "cxx", "cu", "mpp", "m", "M",
                "mm", "ixx", "cppm" });
    setupExts(this->HeaderFileExtensions,
              { "h", "hh", "h++", "hm", "hpp", "hxx", "in", "txx" });
    setupExts(this->CudaFileExtensions, { "cu" });
    setupExts(this->FortranFileExtensions,
              { "f", "F", "for", "f77", "f90", "f95", "f03" });
    setupExts(this->HipFileExtensions, { "hip" });
    setupExts(this->ISPCFileExtensions, { "ispc" });
  }
}

cmake::~cmake() = default;

#if !defined(CMAKE_BOOTSTRAP)
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() 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;
      if (!gi.supportedPlatforms.empty()) {
        Json::Value supportedPlatforms = Json::arrayValue;
        for (std::string const& platform : gi.supportedPlatforms) {
          supportedPlatforms.append(platform);
        }
        gen["supportedPlatforms"] = std::move(supportedPlatforms);
      }
      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["fileApi"] = cmFileAPI::ReportCapabilities();
  obj["serverMode"] = false;

  return obj;
}
#endif

std::string cmake::ReportCapabilities() const
{
  std::string result;
#if !defined(CMAKE_BOOTSTRAP)
  Json::FastWriter writer;
  result = writer.write(this->ReportCapabilitiesJson());
#else
  result = "Not supported";
#endif
  return result;
}

void cmake::CleanupCommandsAndMacros()
{
  this->CurrentSnapshot = this->State->Reset();
  this->State->RemoveUserDefinedCommands();
  this->CurrentSnapshot.SetDefaultDefinitions();
  // FIXME: InstalledFiles probably belongs in the global generator.
  this->InstalledFiles.clear();
}

#ifndef CMAKE_BOOTSTRAP
void cmake::SetWarningFromPreset(const std::string& name,
                                 const cm::optional<bool>& warning,
                                 const cm::optional<bool>& error)
{
  if (warning) {
    if (*warning) {
      this->DiagLevels[name] = std::max(this->DiagLevels[name], DIAG_WARN);
    } else {
      this->DiagLevels[name] = DIAG_IGNORE;
    }
  }
  if (error) {
    if (*error) {
      this->DiagLevels[name] = DIAG_ERROR;
    } else {
      this->DiagLevels[name] = std::min(this->DiagLevels[name], DIAG_WARN);
    }
  }
}

void cmake::ProcessPresetVariables()
{
  for (auto const& var : this->UnprocessedPresetVariables) {
    if (!var.second) {
      continue;
    }
    cmStateEnums::CacheEntryType type = cmStateEnums::UNINITIALIZED;
    if (!var.second->Type.empty()) {
      type = cmState::StringToCacheEntryType(var.second->Type);
    }
    this->ProcessCacheArg(var.first, var.second->Value, type);
  }
}

void cmake::PrintPresetVariables()
{
  bool first = true;
  for (auto const& var : this->UnprocessedPresetVariables) {
    if (!var.second) {
      continue;
    }
    cmStateEnums::CacheEntryType type = cmStateEnums::UNINITIALIZED;
    if (!var.second->Type.empty()) {
      type = cmState::StringToCacheEntryType(var.second->Type);
    }
    if (first) {
      std::cout << "Preset CMake variables:\n\n";
      first = false;
    }
    std::cout << "  " << var.first;
    if (type != cmStateEnums::UNINITIALIZED) {
      std::cout << ':' << cmState::CacheEntryTypeToString(type);
    }
    std::cout << "=\"" << var.second->Value << "\"\n";
  }
  if (!first) {
    std::cout << '\n';
  }
  this->UnprocessedPresetVariables.clear();
}

void cmake::ProcessPresetEnvironment()
{
  for (auto const& var : this->UnprocessedPresetEnvironment) {
    if (var.second) {
      cmSystemTools::PutEnv(cmStrCat(var.first, '=', *var.second));
    }
  }
}

void cmake::PrintPresetEnvironment()
{
  bool first = true;
  for (auto const& var : this->UnprocessedPresetEnvironment) {
    if (!var.second) {
      continue;
    }
    if (first) {
      std::cout << "Preset environment variables:\n\n";
      first = false;
    }
    std::cout << "  " << var.first << "=\"" << *var.second << "\"\n";
  }
  if (!first) {
    std::cout << '\n';
  }
  this->UnprocessedPresetEnvironment.clear();
}
#endif

// Parse the args
bool cmake::SetCacheArgs(const std::vector<std::string>& args)
{
  auto findPackageMode = false;
  auto seenScriptOption = false;

  auto DefineLambda = [](std::string const& entry, cmake* state) -> bool {
    std::string var;
    std::string value;
    cmStateEnums::CacheEntryType type = cmStateEnums::UNINITIALIZED;
    if (cmState::ParseCacheEntry(entry, var, value, type)) {
#ifndef CMAKE_BOOTSTRAP
      state->UnprocessedPresetVariables.erase(var);
#endif
      state->ProcessCacheArg(var, value, type);
    } else {
      cmSystemTools::Error(cmStrCat("Parse error in command line argument: ",
                                    entry, "\n Should be: VAR:type=value\n"));
      return false;
    }
    return true;
  };

  auto WarningLambda = [](cm::string_view entry, cmake* state) -> bool {
    bool foundNo = false;
    bool foundError = false;

    if (cmHasLiteralPrefix(entry, "no-")) {
      foundNo = true;
      entry.remove_prefix(3);
    }

    if (cmHasLiteralPrefix(entry, "error=")) {
      foundError = true;
      entry.remove_prefix(6);
    }

    if (entry.empty()) {
      cmSystemTools::Error("No warning name provided.");
      return false;
    }

    std::string const name = std::string(entry);
    if (!foundNo && !foundError) {
      // -W<name>
      state->DiagLevels[name] = std::max(state->DiagLevels[name], DIAG_WARN);
    } else if (foundNo && !foundError) {
      // -Wno<name>
      state->DiagLevels[name] = DIAG_IGNORE;
    } else if (!foundNo && foundError) {
      // -Werror=<name>
      state->DiagLevels[name] = DIAG_ERROR;
    } else {
      // -Wno-error=<name>
      // This can downgrade an error to a warning, but should not enable
      // or disable a warning in the first place.
      auto dli = state->DiagLevels.find(name);
      if (dli != state->DiagLevels.end()) {
        dli->second = std::min(dli->second, DIAG_WARN);
      }
    }
    return true;
  };

  auto UnSetLambda = [](std::string const& entryPattern,
                        cmake* state) -> bool {
    cmsys::RegularExpression regex(
      cmsys::Glob::PatternToRegex(entryPattern, true, true));
    // go through all cache entries and collect the vars which will be
    // removed
    std::vector<std::string> entriesToDelete;
    std::vector<std::string> cacheKeys = state->State->GetCacheEntryKeys();
    for (std::string const& ck : cacheKeys) {
      cmStateEnums::CacheEntryType t = state->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) {
#ifndef CMAKE_BOOTSTRAP
      state->UnprocessedPresetVariables.erase(currentEntry);
#endif
      state->State->RemoveCacheEntry(currentEntry);
    }
    return true;
  };

  auto ScriptLambda = [&](std::string const& path, cmake* state) -> bool {
    // Register fake project commands that hint misuse in script mode.
    GetProjectCommandsInScriptMode(state->GetState());
    // Documented behavior of CMAKE{,_CURRENT}_{SOURCE,BINARY}_DIR is to be
    // set to $PWD for -P mode.
    state->SetHomeDirectory(cmSystemTools::GetCurrentWorkingDirectory());
    state->SetHomeOutputDirectory(cmSystemTools::GetCurrentWorkingDirectory());
    state->ReadListFile(args, path);
    seenScriptOption = true;
    return true;
  };

  auto PrefixLambda = [&](std::string const& path, cmake* state) -> bool {
    const std::string var = "CMAKE_INSTALL_PREFIX";
    cmStateEnums::CacheEntryType type = cmStateEnums::PATH;
    cmCMakePath absolutePath(path);
    if (absolutePath.IsAbsolute()) {
#ifndef CMAKE_BOOTSTRAP
      state->UnprocessedPresetVariables.erase(var);
#endif
      state->ProcessCacheArg(var, path, type);
      return true;
    }
    cmSystemTools::Error("Absolute paths are required for --install-prefix");
    return false;
  };

  auto ToolchainLambda = [&](std::string const& path, cmake* state) -> bool {
    const std::string var = "CMAKE_TOOLCHAIN_FILE";
    cmStateEnums::CacheEntryType type = cmStateEnums::FILEPATH;
#ifndef CMAKE_BOOTSTRAP
    state->UnprocessedPresetVariables.erase(var);
#endif
    state->ProcessCacheArg(var, path, type);
    return true;
  };

  std::vector<CommandArgument> arguments = {
    CommandArgument{ "-D", "-D must be followed with VAR=VALUE.",
                     CommandArgument::Values::One,
                     CommandArgument::RequiresSeparator::No, DefineLambda },
    CommandArgument{ "-W", "-W must be followed with [no-]<name>.",
                     CommandArgument::Values::One,
                     CommandArgument::RequiresSeparator::No, WarningLambda },
    CommandArgument{ "-U", "-U must be followed with VAR.",
                     CommandArgument::Values::One,
                     CommandArgument::RequiresSeparator::No, UnSetLambda },
    CommandArgument{
      "-C", "-C must be followed by a file name.",
      CommandArgument::Values::One, CommandArgument::RequiresSeparator::No,
      [&](std::string const& value, cmake* state) -> bool {
        if (value.empty()) {
          cmSystemTools::Error("No file name specified for -C");
          return false;
        }
        cmSystemTools::Stdout("loading initial cache file " + value + "\n");
        // Resolve script path specified on command line
        // relative to $PWD.
        auto path = cmSystemTools::CollapseFullPath(value);
        state->ReadListFile(args, path);
        return true;
      } },

    CommandArgument{ "-P", "-P must be followed by a file name.",
                     CommandArgument::Values::One,
                     CommandArgument::RequiresSeparator::No, ScriptLambda },
    CommandArgument{ "--toolchain", "No file specified for --toolchain",
                     CommandArgument::Values::One, ToolchainLambda },
    CommandArgument{ "--install-prefix",
                     "No install directory specified for --install-prefix",
                     CommandArgument::Values::One, PrefixLambda },
    CommandArgument{ "--find-package", CommandArgument::Values::Zero,
                     CommandArgument::setToTrue(findPackageMode) },
  };
  for (decltype(args.size()) i = 1; i < args.size(); ++i) {
    std::string const& arg = args[i];

    if (arg == "--" && seenScriptOption) {
      // Stop processing CMake args and avoid possible errors
      // when arbitrary args are given to CMake script.
      break;
    }
    for (auto const& m : arguments) {
      if (m.matches(arg)) {
        const bool parsedCorrectly = m.parse(arg, i, args, this);
        if (!parsedCorrectly) {
          return false;
        }
      }
    }
  }

  if (findPackageMode) {
    return this->FindPackage(args);
  }

  return true;
}

void cmake::ProcessCacheArg(const std::string& var, const std::string& value,
                            cmStateEnums::CacheEntryType 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 (cmValue v = this->State->GetInitializedCacheValue(var)) {
      haveValue = true;
      cachedValue = *v;
    }
  }

  this->AddCacheEntry(
    var, value, "No help, variable specified on the command line.", type);

  if (this->WarnUnusedCli) {
    if (!haveValue ||
        cachedValue != *this->State->GetInitializedCacheValue(var)) {
      this->WatchUnusedCli(var);
    }
  }
}

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();

  // if a generator was not specified use a generic one
  std::unique_ptr<cmGlobalGenerator> gen;
  if (!gg) {
    gen = cm::make_unique<cmGlobalGenerator>(this);
    gg = gen.get();
  }

  // read in the list file to fill the cache
  if (!path.empty()) {
    this->CurrentSnapshot = this->State->Reset();
    cmStateSnapshot snapshot = this->GetCurrentSnapshot();
    snapshot.GetDirectory().SetCurrentBinary(this->GetHomeOutputDirectory());
    snapshot.GetDirectory().SetCurrentSource(this->GetHomeDirectory());
    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);
    }
  }
}

bool cmake::FindPackage(const std::vector<std::string>& args)
{
  this->SetHomeDirectory(cmSystemTools::GetCurrentWorkingDirectory());
  this->SetHomeOutputDirectory(cmSystemTools::GetCurrentWorkingDirectory());

  this->SetGlobalGenerator(cm::make_unique<cmGlobalGenerator>(this));

  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();
  auto mfu = cm::make_unique<cmMakefile>(this->GetGlobalGenerator(), snapshot);
  cmMakefile* mf = mfu.get();
  this->GlobalGenerator->AddMakefile(std::move(mfu));

  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"_s) {
    if (!quiet) {
      printf("%s found.\n", packageName.c_str());
    }
  } else if (mode == "COMPILE"_s) {
    std::string includes = mf->GetSafeDefinition("PACKAGE_INCLUDE_DIRS");
    std::vector<std::string> includeDirs = cmExpandedList(includes);

    this->GlobalGenerator->CreateGenerationObjects();
    const auto& lg = this->GlobalGenerator->LocalGenerators[0];
    std::string includeFlags =
      lg->GetIncludeFlags(includeDirs, nullptr, language, std::string());

    std::string definitions = mf->GetSafeDefinition("PACKAGE_DEFINITIONS");
    printf("%s %s\n", includeFlags.c_str(), definitions.c_str());
  } else if (mode == "LINK"_s) {
    const char* targetName = "dummy";
    std::vector<std::string> srcs;
    cmTarget* tgt = mf->AddExecutable(targetName, srcs, true);
    tgt->SetProperty("LINKER_LANGUAGE", language);

    std::string libs = mf->GetSafeDefinition("PACKAGE_LIBRARIES");
    std::vector<std::string> libList = cmExpandedList(libs);
    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;
    this->GlobalGenerator->CreateGenerationObjects();
    cmGeneratorTarget* gtgt =
      this->GlobalGenerator->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");
          }*/
  }

  return packageFound;
}

void cmake::LoadEnvironmentPresets()
{
  std::string envGenVar;
  bool hasEnvironmentGenerator = false;
  if (cmSystemTools::GetEnv("CMAKE_GENERATOR", envGenVar)) {
    hasEnvironmentGenerator = true;
    this->EnvironmentGenerator = envGenVar;
  }

  auto readGeneratorVar = [&](std::string const& name, std::string& key) {
    std::string varValue;
    if (cmSystemTools::GetEnv(name, varValue)) {
      if (hasEnvironmentGenerator) {
        key = varValue;
      } else if (!this->GetIsInTryCompile()) {
        std::string message =
          cmStrCat("Warning: Environment variable ", name,
                   " will be ignored, because CMAKE_GENERATOR is not set.");
        cmSystemTools::Message(message, "Warning");
      }
    }
  };

  readGeneratorVar("CMAKE_GENERATOR_INSTANCE", this->GeneratorInstance);
  readGeneratorVar("CMAKE_GENERATOR_PLATFORM", this->GeneratorPlatform);
  readGeneratorVar("CMAKE_GENERATOR_TOOLSET", this->GeneratorToolset);
}

namespace {
enum class ListPresets
{
  None,
  Configure,
  Build,
  Test,
  All,
};
}

// Parse the args
void cmake::SetArgs(const std::vector<std::string>& args)
{
  bool haveToolset = false;
  bool havePlatform = false;
  bool haveBArg = false;
  bool scriptMode = false;
  std::string possibleUnknownArg;
  std::string extraProvidedPath;
#if !defined(CMAKE_BOOTSTRAP)
  std::string profilingFormat;
  std::string profilingOutput;
  std::string presetName;

  ListPresets listPresets = ListPresets::None;
#endif

  auto EmptyStringArgLambda = [](std::string const&, cmake* state) -> bool {
    state->IssueMessage(
      MessageType::WARNING,
      "Ignoring empty string (\"\") provided on the command line.");
    return true;
  };

  auto SourceArgLambda = [](std::string const& value, cmake* state) -> bool {
    if (value.empty()) {
      cmSystemTools::Error("No source directory specified for -S");
      return false;
    }
    std::string path = cmSystemTools::CollapseFullPath(value);
    cmSystemTools::ConvertToUnixSlashes(path);

    state->SetHomeDirectoryViaCommandLine(path);
    return true;
  };

  auto BuildArgLambda = [&](std::string const& value, cmake* state) -> bool {
    if (value.empty()) {
      cmSystemTools::Error("No build directory specified for -B");
      return false;
    }
    std::string path = cmSystemTools::CollapseFullPath(value);
    cmSystemTools::ConvertToUnixSlashes(path);
    state->SetHomeOutputDirectory(path);
    haveBArg = true;
    return true;
  };

  auto PlatformLambda = [&](std::string const& value, cmake* state) -> bool {
    if (havePlatform) {
      cmSystemTools::Error("Multiple -A options not allowed");
      return false;
    }
    state->SetGeneratorPlatform(value);
    havePlatform = true;
    return true;
  };

  auto ToolsetLamda = [&](std::string const& value, cmake* state) -> bool {
    if (haveToolset) {
      cmSystemTools::Error("Multiple -T options not allowed");
      return false;
    }
    state->SetGeneratorToolset(value);
    haveToolset = true;
    return true;
  };

  std::vector<CommandArgument> arguments = {
    CommandArgument{ "", CommandArgument::Values::Zero, EmptyStringArgLambda },
    CommandArgument{ "-S", "No source directory specified for -S",
                     CommandArgument::Values::One,
                     CommandArgument::RequiresSeparator::No, SourceArgLambda },
    CommandArgument{ "-H", "No source directory specified for -H",
                     CommandArgument::Values::One,
                     CommandArgument::RequiresSeparator::No, SourceArgLambda },
    CommandArgument{ "-O", CommandArgument::Values::Zero,
                     IgnoreAndTrueLambda },
    CommandArgument{ "-B", "No build directory specified for -B",
                     CommandArgument::Values::One,
                     CommandArgument::RequiresSeparator::No, BuildArgLambda },
    CommandArgument{ "--fresh", CommandArgument::Values::Zero,
                     [](std::string const&, cmake* cm) -> bool {
                       cm->FreshCache = true;
                       return true;
                     } },
    CommandArgument{ "-P", "-P must be followed by a file name.",
                     CommandArgument::Values::One,
                     CommandArgument::RequiresSeparator::No,
                     CommandArgument::setToTrue(scriptMode) },
    CommandArgument{ "-D", "-D must be followed with VAR=VALUE.",
                     CommandArgument::Values::One,
                     CommandArgument::RequiresSeparator::No,
                     IgnoreAndTrueLambda },
    CommandArgument{ "-C", "-C must be followed by a file name.",
                     CommandArgument::Values::One,
                     CommandArgument::RequiresSeparator::No,
                     IgnoreAndTrueLambda },
    CommandArgument{
      "-U", "-U must be followed with VAR.", CommandArgument::Values::One,
      CommandArgument::RequiresSeparator::No, IgnoreAndTrueLambda },
    CommandArgument{ "-W", "-W must be followed with [no-]<name>.",
                     CommandArgument::Values::One,
                     CommandArgument::RequiresSeparator::No,
                     IgnoreAndTrueLambda },
    CommandArgument{ "-A", "No platform specified for -A",
                     CommandArgument::Values::One,
                     CommandArgument::RequiresSeparator::No, PlatformLambda },
    CommandArgument{ "-T", "No toolset specified for -T",
                     CommandArgument::Values::One,
                     CommandArgument::RequiresSeparator::No, ToolsetLamda },
    CommandArgument{ "--toolchain", "No file specified for --toolchain",
                     CommandArgument::Values::One, IgnoreAndTrueLambda },
    CommandArgument{ "--install-prefix",
                     "No install directory specified for --install-prefix",
                     CommandArgument::Values::One, IgnoreAndTrueLambda },

    CommandArgument{ "--check-build-system", CommandArgument::Values::Two,
                     [](std::string const& value, cmake* state) -> bool {
                       std::vector<std::string> values = cmExpandedList(value);
                       state->CheckBuildSystemArgument = values[0];
                       state->ClearBuildSystem = (atoi(values[1].c_str()) > 0);
                       return true;
                     } },
    CommandArgument{ "--check-stamp-file", CommandArgument::Values::One,
                     [](std::string const& value, cmake* state) -> bool {
                       state->CheckStampFile = value;
                       return true;
                     } },
    CommandArgument{ "--check-stamp-list", CommandArgument::Values::One,
                     [](std::string const& value, cmake* state) -> bool {
                       state->CheckStampList = value;
                       return true;
                     } },
    CommandArgument{ "--regenerate-during-build",
                     CommandArgument::Values::Zero,
                     [](std::string const&, cmake* state) -> bool {
                       state->RegenerateDuringBuild = true;
                       return true;
                     } },

    CommandArgument{ "--find-package", CommandArgument::Values::Zero,
                     IgnoreAndTrueLambda },

    CommandArgument{ "--graphviz", "No file specified for --graphviz",
                     CommandArgument::Values::One,
                     [](std::string const& value, cmake* state) -> bool {
                       std::string path =
                         cmSystemTools::CollapseFullPath(value);
                       cmSystemTools::ConvertToUnixSlashes(path);
                       state->GraphVizFile = path;
                       return true;
                     } },

    CommandArgument{ "--debug-trycompile", CommandArgument::Values::Zero,
                     [](std::string const&, cmake* state) -> bool {
                       std::cout << "debug trycompile on\n";
                       state->DebugTryCompileOn();
                       return true;
                     } },
    CommandArgument{ "--debug-output", CommandArgument::Values::Zero,
                     [](std::string const&, cmake* state) -> bool {
                       std::cout << "Running with debug output on.\n";
                       state->SetDebugOutputOn(true);
                       return true;
                     } },

    CommandArgument{ "--log-level", "Invalid level specified for --log-level",
                     CommandArgument::Values::One,
                     [](std::string const& value, cmake* state) -> bool {
                       const auto logLevel = StringToLogLevel(value);
                       if (logLevel == LogLevel::LOG_UNDEFINED) {
                         cmSystemTools::Error(
                           "Invalid level specified for --log-level");
                         return false;
                       }
                       state->SetLogLevel(logLevel);
                       state->LogLevelWasSetViaCLI = true;
                       return true;
                     } },
    // This is supported for backward compatibility. This option only
    // appeared in the 3.15.x release series and was renamed to
    // --log-level in 3.16.0
    CommandArgument{ "--loglevel", "Invalid level specified for --loglevel",
                     CommandArgument::Values::One,
                     [](std::string const& value, cmake* state) -> bool {
                       const auto logLevel = StringToLogLevel(value);
                       if (logLevel == LogLevel::LOG_UNDEFINED) {
                         cmSystemTools::Error(
                           "Invalid level specified for --loglevel");
                         return false;
                       }
                       state->SetLogLevel(logLevel);
                       state->LogLevelWasSetViaCLI = true;
                       return true;
                     } },

    CommandArgument{ "--log-context", CommandArgument::Values::Zero,
                     [](std::string const&, cmake* state) -> bool {
                       state->SetShowLogContext(true);
                       return true;
                     } },
    CommandArgument{
      "--debug-find", CommandArgument::Values::Zero,
      [](std::string const&, cmake* state) -> bool {
        std::cout << "Running with debug output on for the `find` commands.\n";
        state->SetDebugFindOutput(true);
        return true;
      } },
    CommandArgument{
      "--debug-find-pkg", "Provide a package argument for --debug-find-pkg",
      CommandArgument::Values::One, CommandArgument::RequiresSeparator::Yes,
      [](std::string const& value, cmake* state) -> bool {
        std::vector<std::string> find_pkgs(cmTokenize(value, ","));
        std::cout << "Running with debug output on for the 'find' commands "
                     "for package(s)";
        for (auto const& v : find_pkgs) {
          std::cout << " " << v;
          state->SetDebugFindOutputPkgs(v);
        }
        std::cout << ".\n";
        return true;
      } },
    CommandArgument{
      "--debug-find-var", CommandArgument::Values::One,
      CommandArgument::RequiresSeparator::Yes,
      [](std::string const& value, cmake* state) -> bool {
        std::vector<std::string> find_vars(cmTokenize(value, ","));
        std::cout << "Running with debug output on for the variable(s)";
        for (auto const& v : find_vars) {
          std::cout << " " << v;
          state->SetDebugFindOutputVars(v);
        }
        std::cout << ".\n";
        return true;
      } },
    CommandArgument{ "--trace-expand", CommandArgument::Values::Zero,
                     [](std::string const&, cmake* state) -> bool {
                       std::cout << "Running with expanded trace output on.\n";
                       state->SetTrace(true);
                       state->SetTraceExpand(true);
                       return true;
                     } },
    CommandArgument{ "--trace-format", CommandArgument::Values::One,
                     [](std::string const& value, cmake* state) -> bool {
                       state->SetTrace(true);
                       const auto traceFormat = StringToTraceFormat(value);
                       if (traceFormat == TraceFormat::TRACE_UNDEFINED) {
                         cmSystemTools::Error(
                           "Invalid format specified for --trace-format. "
                           "Valid formats are human, json-v1.");
                         return false;
                       }
                       state->SetTraceFormat(traceFormat);
                       return true;
                     } },
    CommandArgument{ "--trace-source", CommandArgument::Values::One,
                     [](std::string const& value, cmake* state) -> bool {
                       std::string file(value);
                       cmSystemTools::ConvertToUnixSlashes(file);
                       state->AddTraceSource(file);
                       state->SetTrace(true);
                       return true;
                     } },
    CommandArgument{ "--trace-redirect", CommandArgument::Values::One,
                     [](std::string const& value, cmake* state) -> bool {
                       std::string file(value);
                       cmSystemTools::ConvertToUnixSlashes(file);
                       state->SetTraceFile(file);
                       state->SetTrace(true);
                       return true;
                     } },
    CommandArgument{ "--trace", CommandArgument::Values::Zero,
                     [](std::string const&, cmake* state) -> bool {
                       std::cout << "Running with trace output on.\n";
                       state->SetTrace(true);
                       state->SetTraceExpand(false);
                       return true;
                     } },
    CommandArgument{ "--warn-uninitialized", CommandArgument::Values::Zero,
                     [](std::string const&, cmake* state) -> bool {
                       std::cout << "Warn about uninitialized values.\n";
                       state->SetWarnUninitialized(true);
                       return true;
                     } },
    CommandArgument{ "--warn-unused-vars", CommandArgument::Values::Zero,
                     IgnoreAndTrueLambda }, // Option was removed.
    CommandArgument{ "--no-warn-unused-cli", CommandArgument::Values::Zero,
                     [](std::string const&, cmake* state) -> bool {
                       std::cout
                         << "Not searching for unused variables given on the "
                         << "command line.\n";
                       state->SetWarnUnusedCli(false);
                       return true;
                     } },
    CommandArgument{
      "--check-system-vars", CommandArgument::Values::Zero,
      [](std::string const&, cmake* state) -> bool {
        std::cout << "Also check system files when warning about unused and "
                  << "uninitialized variables.\n";
        state->SetCheckSystemVars(true);
        return true;
      } },
    CommandArgument{
      "--compile-no-warning-as-error", CommandArgument::Values::Zero,
      [](std::string const&, cmake* state) -> bool {
        std::cout << "Ignoring COMPILE_WARNING_AS_ERROR target property and "
                  << "CMAKE_COMPILE_WARNING_AS_ERROR variable.\n";
        state->SetIgnoreWarningAsError(true);
        return true;
      } }
  };

#if defined(CMAKE_HAVE_VS_GENERATORS)
  arguments.emplace_back("--vs-solution-file", CommandArgument::Values::One,
                         [](std::string const& value, cmake* state) -> bool {
                           state->VSSolutionFile = value;
                           return true;
                         });
#endif

#if !defined(CMAKE_BOOTSTRAP)
  arguments.emplace_back("--profiling-format",
                         "No format specified for --profiling-format",
                         CommandArgument::Values::One,
                         [&](std::string const& value, cmake*) -> bool {
                           profilingFormat = value;
                           return true;
                         });
  arguments.emplace_back(
    "--profiling-output", "No path specified for --profiling-output",
    CommandArgument::Values::One,
    [&](std::string const& value, cmake*) -> bool {
      profilingOutput = cmSystemTools::CollapseFullPath(value);
      cmSystemTools::ConvertToUnixSlashes(profilingOutput);
      return true;
    });
  arguments.emplace_back("--preset", "No preset specified for --preset",
                         CommandArgument::Values::One,
                         [&](std::string const& value, cmake*) -> bool {
                           presetName = value;
                           return true;
                         });
  arguments.emplace_back(
    "--list-presets", CommandArgument::Values::ZeroOrOne,
    [&](std::string const& value, cmake*) -> bool {
      if (value.empty() || value == "configure") {
        listPresets = ListPresets::Configure;
      } else if (value == "build") {
        listPresets = ListPresets::Build;
      } else if (value == "test") {
        listPresets = ListPresets::Test;
      } else if (value == "all") {
        listPresets = ListPresets::All;
      } else {
        cmSystemTools::Error(
          "Invalid value specified for --list-presets.\n"
          "Valid values are configure, build, test, or all. "
          "When no value is passed the default is configure.");
        return false;
      }

      return true;
    });

#endif

  bool badGeneratorName = false;
  CommandArgument generatorCommand(
    "-G", "No generator specified for -G", CommandArgument::Values::One,
    CommandArgument::RequiresSeparator::No,
    [&](std::string const& value, cmake* state) -> bool {
      bool valid = state->CreateAndSetGlobalGenerator(value, true);
      badGeneratorName = !valid;
      return valid;
    });

  for (decltype(args.size()) i = 1; i < args.size(); ++i) {
    // iterate each argument
    std::string const& arg = args[i];

    if (scriptMode && arg == "--") {
      // Stop processing CMake args and avoid possible errors
      // when arbitrary args are given to CMake script.
      break;
    }

    // Generator flag has special handling for when to print help
    // so it becomes the exception
    if (generatorCommand.matches(arg)) {
      bool parsed = generatorCommand.parse(arg, i, args, this);
      if (!parsed && !badGeneratorName) {
        this->PrintGeneratorList();
        return;
      }
      continue;
    }

    bool matched = false;
    bool parsedCorrectly = true; // needs to be true so we can ignore
                                 // arguments so as -E
    for (auto const& m : arguments) {
      if (m.matches(arg)) {
        matched = true;
        parsedCorrectly = m.parse(arg, i, args, this);
        break;
      }
    }

    // We have an issue where arguments to a "-P" script mode
    // can be provided before the "-P" argument. This means
    // that we need to lazily check this argument after checking
    // all args.
    // Additionally it can't be the source/binary tree location
    if (!parsedCorrectly) {
      cmSystemTools::Error("Run 'cmake --help' for all supported options.");
      exit(1);
    } else if (!matched && cmHasLiteralPrefix(arg, "-")) {
      possibleUnknownArg = arg;
    } else if (!matched) {
      bool parsedDirectory = this->SetDirectoriesFromFile(arg);
      if (!parsedDirectory) {
        extraProvidedPath = arg;
      }
    }
  }

  if (!extraProvidedPath.empty() && !scriptMode) {
    this->IssueMessage(MessageType::WARNING,
                       cmStrCat("Ignoring extra path from command line:\n \"",
                                extraProvidedPath, "\""));
  }
  if (!possibleUnknownArg.empty() && !scriptMode) {
    cmSystemTools::Error(cmStrCat("Unknown argument ", possibleUnknownArg));
    cmSystemTools::Error("Run 'cmake --help' for all supported options.");
    exit(1);
  }

  // Empty instance, platform and toolset if only a generator is specified
  if (this->GlobalGenerator) {
    this->GeneratorInstance = "";
    if (!this->GeneratorPlatformSet) {
      this->GeneratorPlatform = "";
    }
    if (!this->GeneratorToolsetSet) {
      this->GeneratorToolset = "";
    }
  }

#if !defined(CMAKE_BOOTSTRAP)
  if (!profilingOutput.empty() || !profilingFormat.empty()) {
    if (profilingOutput.empty()) {
      cmSystemTools::Error(
        "--profiling-format specified but no --profiling-output!");
      return;
    }
    if (profilingFormat == "google-trace"_s) {
      try {
        this->ProfilingOutput =
          cm::make_unique<cmMakefileProfilingData>(profilingOutput);
      } catch (std::runtime_error& e) {
        cmSystemTools::Error(
          cmStrCat("Could not start profiling: ", e.what()));
        return;
      }
    } else {
      cmSystemTools::Error("Invalid format specified for --profiling-format");
      return;
    }
  }
#endif

  const bool haveSourceDir = !this->GetHomeDirectory().empty();
  const bool haveBinaryDir = !this->GetHomeOutputDirectory().empty();
  const bool havePreset =
#ifdef CMAKE_BOOTSTRAP
    false;
#else
    !presetName.empty();
#endif

  if (this->CurrentWorkingMode == cmake::NORMAL_MODE && !haveSourceDir &&
      !haveBinaryDir && !havePreset) {
    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());
  }

#if !defined(CMAKE_BOOTSTRAP)
  if (listPresets != ListPresets::None || !presetName.empty()) {
    cmCMakePresetsGraph presetsGraph;
    auto result = presetsGraph.ReadProjectPresets(this->GetHomeDirectory());
    if (result != cmCMakePresetsGraph::ReadFileResult::READ_OK) {
      cmSystemTools::Error(
        cmStrCat("Could not read presets from ", this->GetHomeDirectory(),
                 ": ", cmCMakePresetsGraph::ResultToString(result)));
      return;
    }

    if (listPresets != ListPresets::None) {
      if (listPresets == ListPresets::Configure) {
        this->PrintPresetList(presetsGraph);
      } else if (listPresets == ListPresets::Build) {
        presetsGraph.PrintBuildPresetList();
      } else if (listPresets == ListPresets::Test) {
        presetsGraph.PrintTestPresetList();
      } else if (listPresets == ListPresets::All) {
        presetsGraph.PrintAllPresets();
      }

      this->SetWorkingMode(WorkingMode::HELP_MODE);
      return;
    }

    auto preset = presetsGraph.ConfigurePresets.find(presetName);
    if (preset == presetsGraph.ConfigurePresets.end()) {
      cmSystemTools::Error(cmStrCat("No such preset in ",
                                    this->GetHomeDirectory(), ": \"",
                                    presetName, '"'));
      this->PrintPresetList(presetsGraph);
      return;
    }
    if (preset->second.Unexpanded.Hidden) {
      cmSystemTools::Error(cmStrCat("Cannot use hidden preset in ",
                                    this->GetHomeDirectory(), ": \"",
                                    presetName, '"'));
      this->PrintPresetList(presetsGraph);
      return;
    }
    auto const& expandedPreset = preset->second.Expanded;
    if (!expandedPreset) {
      cmSystemTools::Error(cmStrCat("Could not evaluate preset \"",
                                    preset->second.Unexpanded.Name,
                                    "\": Invalid macro expansion"));
      return;
    }
    if (!expandedPreset->ConditionResult) {
      cmSystemTools::Error(cmStrCat("Could not use disabled preset \"",
                                    preset->second.Unexpanded.Name, "\""));
      return;
    }

    if (!this->State->IsCacheLoaded() && !haveBArg &&
        !expandedPreset->BinaryDir.empty()) {
      this->SetHomeOutputDirectory(expandedPreset->BinaryDir);
    }
    if (!this->GlobalGenerator && !expandedPreset->Generator.empty()) {
      if (!this->CreateAndSetGlobalGenerator(expandedPreset->Generator,
                                             false)) {
        return;
      }
    }
    this->UnprocessedPresetVariables = expandedPreset->CacheVariables;
    this->UnprocessedPresetEnvironment = expandedPreset->Environment;

    if (!expandedPreset->InstallDir.empty() &&
        !this->State->GetInitializedCacheValue("CMAKE_INSTALL_PREFIX")) {
      this->UnprocessedPresetVariables["CMAKE_INSTALL_PREFIX"] = {
        "PATH", expandedPreset->InstallDir
      };
    }
    if (!expandedPreset->ToolchainFile.empty() &&
        !this->State->GetInitializedCacheValue("CMAKE_TOOLCHAIN_FILE")) {
      this->UnprocessedPresetVariables["CMAKE_TOOLCHAIN_FILE"] = {
        "FILEPATH", expandedPreset->ToolchainFile
      };
    }

    if (!expandedPreset->ArchitectureStrategy ||
        expandedPreset->ArchitectureStrategy ==
          cmCMakePresetsGraph::ArchToolsetStrategy::Set) {
      if (!this->GeneratorPlatformSet) {
        this->SetGeneratorPlatform(expandedPreset->Architecture);
      }
    }
    if (!expandedPreset->ToolsetStrategy ||
        expandedPreset->ToolsetStrategy ==
          cmCMakePresetsGraph::ArchToolsetStrategy::Set) {
      if (!this->GeneratorToolsetSet) {
        this->SetGeneratorToolset(expandedPreset->Toolset);
      }
    }

    this->SetWarningFromPreset("dev", expandedPreset->WarnDev,
                               expandedPreset->ErrorDev);
    this->SetWarningFromPreset("deprecated", expandedPreset->WarnDeprecated,
                               expandedPreset->ErrorDeprecated);
    if (expandedPreset->WarnUninitialized == true) {
      this->SetWarnUninitialized(true);
    }
    if (expandedPreset->WarnUnusedCli == false) {
      this->SetWarnUnusedCli(false);
    }
    if (expandedPreset->WarnSystemVars == true) {
      this->SetCheckSystemVars(true);
    }
    if (expandedPreset->DebugOutput == true) {
      this->SetDebugOutputOn(true);
    }
    if (expandedPreset->DebugTryCompile == true) {
      this->DebugTryCompileOn();
    }
    if (expandedPreset->DebugFind == true) {
      this->SetDebugFindOutput(true);
    }
  }
#endif
}

cmake::LogLevel cmake::StringToLogLevel(const std::string& levelStr)
{
  using LevelsPair = std::pair<std::string, LogLevel>;
  static const std::vector<LevelsPair> levels = {
    { "error", LogLevel::LOG_ERROR },     { "warning", LogLevel::LOG_WARNING },
    { "notice", LogLevel::LOG_NOTICE },   { "status", LogLevel::LOG_STATUS },
    { "verbose", LogLevel::LOG_VERBOSE }, { "debug", LogLevel::LOG_DEBUG },
    { "trace", LogLevel::LOG_TRACE }
  };

  const auto levelStrLowCase = cmSystemTools::LowerCase(levelStr);

  const auto it = std::find_if(levels.cbegin(), levels.cend(),
                               [&levelStrLowCase](const LevelsPair& p) {
                                 return p.first == levelStrLowCase;
                               });
  return (it != levels.cend()) ? it->second : LogLevel::LOG_UNDEFINED;
}

cmake::TraceFormat cmake::StringToTraceFormat(const std::string& traceStr)
{
  using TracePair = std::pair<std::string, TraceFormat>;
  static const std::vector<TracePair> levels = {
    { "human", TraceFormat::TRACE_HUMAN },
    { "json-v1", TraceFormat::TRACE_JSON_V1 },
  };

  const auto traceStrLowCase = cmSystemTools::LowerCase(traceStr);

  const auto it = std::find_if(levels.cbegin(), levels.cend(),
                               [&traceStrLowCase](const TracePair& p) {
                                 return p.first == traceStrLowCase;
                               });
  return (it != levels.cend()) ? it->second : TraceFormat::TRACE_UNDEFINED;
}

void cmake::SetTraceFile(const std::string& file)
{
  this->TraceFile.close();
  this->TraceFile.open(file.c_str());
  if (!this->TraceFile) {
    std::stringstream ss;
    ss << "Error opening trace file " << file << ": "
       << cmSystemTools::GetLastSystemError();
    cmSystemTools::Error(ss.str());
    return;
  }
  std::cout << "Trace will be written to " << file << "\n";
}

void cmake::PrintTraceFormatVersion()
{
  if (!this->GetTrace()) {
    return;
  }

  std::string msg;

  switch (this->GetTraceFormat()) {
    case TraceFormat::TRACE_JSON_V1: {
#ifndef CMAKE_BOOTSTRAP
      Json::Value val;
      Json::Value version;
      Json::StreamWriterBuilder builder;
      builder["indentation"] = "";
      version["major"] = 1;
      version["minor"] = 2;
      val["version"] = version;
      msg = Json::writeString(builder, val);
#endif
      break;
    }
    case TraceFormat::TRACE_HUMAN:
      msg = "";
      break;
    case TraceFormat::TRACE_UNDEFINED:
      msg = "INTERNAL ERROR: Trace format is TRACE_UNDEFINED";
      break;
  }

  if (msg.empty()) {
    return;
  }

  auto& f = this->GetTraceFile();
  if (f) {
    f << msg << '\n';
  } else {
    cmSystemTools::Message(msg);
  }
}

bool cmake::SetDirectoriesFromFile(const std::string& arg)
{
  // Check if the argument refers to a CMakeCache.txt or
  // CMakeLists.txt file.
  std::string listPath;
  std::string cachePath;
  bool is_source_dir = false;
  bool is_empty_directory = false;
  if (cmSystemTools::FileIsDirectory(arg)) {
    std::string path = cmSystemTools::CollapseFullPath(arg);
    cmSystemTools::ConvertToUnixSlashes(path);
    std::string cacheFile = cmStrCat(path, "/CMakeCache.txt");
    std::string listFile = cmStrCat(path, "/CMakeLists.txt");

    is_empty_directory = true;
    if (cmSystemTools::FileExists(cacheFile)) {
      cachePath = path;
      is_empty_directory = false;
    }
    if (cmSystemTools::FileExists(listFile)) {
      listPath = path;
      is_empty_directory = false;
      is_source_dir = true;
    }
  } else if (cmSystemTools::FileExists(arg)) {
    std::string fullPath = cmSystemTools::CollapseFullPath(arg);
    std::string name = cmSystemTools::GetFilenameName(fullPath);
    name = cmSystemTools::LowerCase(name);
    if (name == "cmakecache.txt"_s) {
      cachePath = cmSystemTools::GetFilenamePath(fullPath);
    } else if (name == "cmakelists.txt"_s) {
      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"_s || name == "cmakelists.txt"_s) {
      listPath = cmSystemTools::GetFilenamePath(fullPath);
    } else {
      listPath = fullPath;
    }
  }

  // If there is a CMakeCache.txt file, use its settings.
  if (!cachePath.empty()) {
    if (this->LoadCache(cachePath)) {
      cmValue existingValue =
        this->State->GetCacheEntryValue("CMAKE_HOME_DIRECTORY");
      if (existingValue) {
        this->SetHomeOutputDirectory(cachePath);
        this->SetHomeDirectory(*existingValue);
        return true;
      }
    }
  }

  bool no_source_tree = this->GetHomeDirectory().empty();
  bool no_build_tree = this->GetHomeOutputDirectory().empty();

  // When invoked with a path that points to an existing CMakeCache
  // This function is called multiple times with the same path
  const bool passed_same_path = (listPath == this->GetHomeDirectory()) ||
    (listPath == this->GetHomeOutputDirectory());
  bool used_provided_path =
    (passed_same_path || is_source_dir || no_build_tree);

  // If there is a CMakeLists.txt file, use it as the source tree.
  if (!listPath.empty()) {
    // When invoked with a path that points to an existing CMakeCache
    // This function is called multiple times with the same path
    if (is_source_dir) {
      this->SetHomeDirectoryViaCommandLine(listPath);
      if (no_build_tree) {
        std::string cwd = cmSystemTools::GetCurrentWorkingDirectory();
        this->SetHomeOutputDirectory(cwd);
      }
    } else if (no_source_tree && no_build_tree) {
      this->SetHomeDirectory(listPath);

      std::string cwd = cmSystemTools::GetCurrentWorkingDirectory();
      this->SetHomeOutputDirectory(cwd);
    } else if (no_build_tree) {
      this->SetHomeOutputDirectory(listPath);
    }
  } else {
    if (no_source_tree) {
      // 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 (no_build_tree && !no_source_tree && is_empty_directory) {
      // passed `-S <path> <build_dir> when build_dir is an empty directory
      std::string full = cmSystemTools::CollapseFullPath(arg);
      this->SetHomeOutputDirectory(full);
    } else if (no_build_tree) {
      // 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);
      used_provided_path = false;
    }
  }

  return used_provided_path;
}

// 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(),
                      "Path to CMake executable.", cmStateEnums::INTERNAL);
#ifndef CMAKE_BOOTSTRAP
  this->AddCacheEntry("CMAKE_CTEST_COMMAND", cmSystemTools::GetCTestCommand(),
                      "Path to ctest program executable.",
                      cmStateEnums::INTERNAL);
  this->AddCacheEntry("CMAKE_CPACK_COMMAND", cmSystemTools::GetCPackCommand(),
                      "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(),
                      "Path to CMake installation.", cmStateEnums::INTERNAL);

  return 1;
}

void cmake::AddDefaultExtraGenerators()
{
#if !defined(CMAKE_BOOTSTRAP)
  this->ExtraGenerators.push_back(cmExtraCodeBlocksGenerator::GetFactory());
  this->ExtraGenerators.push_back(cmExtraCodeLiteGenerator::GetFactory());
  this->ExtraGenerators.push_back(cmExtraEclipseCDT4Generator::GetFactory());
  this->ExtraGenerators.push_back(cmExtraKateGenerator::GetFactory());
  this->ExtraGenerators.push_back(cmExtraSublimeTextGenerator::GetFactory());
#endif
}

void cmake::GetRegisteredGenerators(std::vector<GeneratorInfo>& generators,
                                    bool includeNamesWithPlatform) const
{
  for (const auto& gen : this->Generators) {
    std::vector<std::string> names = gen->GetGeneratorNames();

    if (includeNamesWithPlatform) {
      cm::append(names, gen->GetGeneratorNamesWithPlatform());
    }

    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<std::unique_ptr<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 { i->CreateExternalMakefileProjectGenerator(), generators.at(0) };
    }
    for (std::string const& g : generators) {
      const std::string fullName =
        cmExternalMakefileProjectGenerator::CreateFullGeneratorName(
          g, i->GetName());
      if (fullName == name) {
        return { i->CreateExternalMakefileProjectGenerator(), g };
      }
    }
  }
  return { nullptr, name };
}

std::unique_ptr<cmGlobalGenerator> cmake::CreateGlobalGenerator(
  const std::string& gname, bool allowArch)
{
  std::pair<std::unique_ptr<cmExternalMakefileProjectGenerator>, std::string>
    extra = createExtraGenerator(this->ExtraGenerators, gname);
  std::unique_ptr<cmExternalMakefileProjectGenerator>& extraGenerator =
    extra.first;
  const std::string& name = extra.second;

  std::unique_ptr<cmGlobalGenerator> generator;
  for (const auto& g : this->Generators) {
    generator = g->CreateGlobalGenerator(name, allowArch, this);
    if (generator) {
      break;
    }
  }

  if (generator) {
    generator->SetExternalMakefileProjectGenerator(std::move(extraGenerator));
  }

  return generator;
}

bool cmake::CreateAndSetGlobalGenerator(const std::string& name,
                                        bool allowArch)
{
  auto gen = this->CreateGlobalGenerator(name, allowArch);
  if (!gen) {
    std::string kdevError;
    std::string vsError;
    if (name.find("KDevelop3", 0) != std::string::npos) {
      kdevError = "\nThe KDevelop3 generator is not supported anymore.";
    }
    if (!allowArch && cmHasLiteralPrefix(name, "Visual Studio ") &&
        name.length() >= cmStrLen("Visual Studio xx xxxx ")) {
      vsError = "\nUsing platforms in Visual Studio generator names is not "
                "supported in CMakePresets.json.";
    }

    cmSystemTools::Error(
      cmStrCat("Could not create named generator ", name, kdevError, vsError));
    this->PrintGeneratorList();
    return false;
  }

  this->SetGlobalGenerator(std::move(gen));
  return true;
}

#ifndef CMAKE_BOOTSTRAP
void cmake::PrintPresetList(const cmCMakePresetsGraph& graph) const
{
  std::vector<GeneratorInfo> generators;
  this->GetRegisteredGenerators(generators, false);
  auto filter =
    [&generators](const cmCMakePresetsGraph::ConfigurePreset& preset) -> bool {
    if (preset.Generator.empty()) {
      return true;
    }
    auto condition = [&preset](const GeneratorInfo& info) -> bool {
      return info.name == preset.Generator;
    };
    auto it = std::find_if(generators.begin(), generators.end(), condition);
    return it != generators.end();
  };

  graph.PrintConfigurePresetList(filter);
}
#endif

void cmake::SetHomeDirectoryViaCommandLine(std::string const& path)
{
  if (path.empty()) {
    return;
  }

  auto prev_path = this->GetHomeDirectory();
  if (prev_path != path && !prev_path.empty()) {
    this->IssueMessage(MessageType::WARNING,
                       cmStrCat("Ignoring extra path from command line:\n \"",
                                prev_path, "\""));
  }
  this->SetHomeDirectory(path);
}

void cmake::SetHomeDirectory(const std::string& dir)
{
  this->State->SetSourceDirectory(dir);
  if (this->CurrentSnapshot.IsValid()) {
    this->CurrentSnapshot.SetDefinition("CMAKE_SOURCE_DIR", dir);
  }

  if (this->State->GetProjectKind() == cmState::ProjectKind::Normal) {
    this->Messenger->SetTopSource(this->GetHomeDirectory());
  } else {
    this->Messenger->SetTopSource(cm::nullopt);
  }
}

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 = cmStrCat(cachePath, "/CMakeCache.txt");
  if (!cmSystemTools::FileExists(cacheFile)) {
    // search in parent directories for cache
    std::string cmakeFiles = cmStrCat(cachePath, "/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(std::unique_ptr<cmGlobalGenerator> gg)
{
  if (!gg) {
    cmSystemTools::Error("Error SetGlobalGenerator called with null");
    return;
  }
  if (this->GlobalGenerator) {
    // restore the original environment variables CXX and CC
    std::string env = "CC=";
    if (!this->CCEnvironment.empty()) {
      env += this->CCEnvironment;
      cmSystemTools::PutEnv(env);
    } else {
      cmSystemTools::UnPutEnv(env);
    }
    env = "CXX=";
    if (!this->CXXEnvironment.empty()) {
      env += this->CXXEnvironment;
      cmSystemTools::PutEnv(env);
    } else {
      cmSystemTools::UnPutEnv(env);
    }
  }

  // set the new
  this->GlobalGenerator = std::move(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 = cmStrCat(this->GetHomeDirectory(), "/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 =
      cmStrCat(*this->State->GetInitializedCacheValue("CMAKE_HOME_DIRECTORY"),
               "/CMakeLists.txt");
    std::string currentStart =
      cmStrCat(this->GetHomeDirectory(), "/CMakeLists.txt");
    if (!cmSystemTools::SameFile(cacheStart, currentStart)) {
      std::string message =
        cmStrCat("The source \"", currentStart,
                 "\" does not match the source \"", cacheStart,
                 "\" used to generate cache.  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 = cmExpandedList(var, true);
  // erase the property to avoid infinite recursion
  this->State->SetGlobalProperty("__CMAKE_DELETE_CACHE_CHANGE_VARS_", "");
  if (this->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 (auto i = argsSplit.begin(); i != argsSplit.end(); ++i) {
    SaveCacheEntry save;
    save.key = *i;
    warning << *i << "= ";
    i++;
    if (i != argsSplit.end()) {
      save.value = *i;
      warning << *i << "\n";
    } else {
      warning << "\n";
      i -= 1;
    }
    cmValue existingValue = this->State->GetCacheEntryValue(save.key);
    if (existingValue) {
      save.type = this->State->GetCacheEntryType(save.key);
      if (cmValue help =
            this->State->GetCacheEntryProperty(save.key, "HELPSTRING")) {
        save.help = *help;
      }
    } else {
      save.type = cmStateEnums::CacheEntryType::UNINITIALIZED;
    }
    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, 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;

    cmValue cachedWarnDeprecated =
      this->State->GetCacheEntryValue("CMAKE_WARN_DEPRECATED");
    cmValue 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.
  cmValue value = this->State->GetCacheEntryValue("CMAKE_WARN_DEPRECATED");
  this->Messenger->SetSuppressDeprecatedWarnings(value && cmIsOff(*value));

  value = this->State->GetCacheEntryValue("CMAKE_ERROR_DEPRECATED");
  this->Messenger->SetDeprecatedWarningsAsErrors(cmIsOn(value));

  value = this->State->GetCacheEntryValue("CMAKE_SUPPRESS_DEVELOPER_WARNINGS");
  this->Messenger->SetSuppressDevWarnings(cmIsOn(value));

  value = this->State->GetCacheEntryValue("CMAKE_SUPPRESS_DEVELOPER_ERRORS");
  this->Messenger->SetDevWarningsAsErrors(value && cmIsOff(*value));

  int ret = this->ActualConfigure();
  cmValue delCacheVars =
    this->State->GetGlobalProperty("__CMAKE_DELETE_CACHE_CHANGE_VARS_");
  if (delCacheVars && !delCacheVars->empty()) {
    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(),
      "Source directory with the top level CMakeLists.txt file for this "
      "project",
      cmStateEnums::INTERNAL);
  }

  // We want to create the package redirects directory as early as possible,
  // but not before pre-configure checks have passed. This ensures we get
  // errors about inappropriate source/binary directories first.
  const auto redirectsDir =
    cmStrCat(this->GetHomeOutputDirectory(), "/CMakeFiles/pkgRedirects");
  cmSystemTools::RemoveADirectory(redirectsDir);
  if (!cmSystemTools::MakeDirectory(redirectsDir)) {
    cmSystemTools::Error(
      "Unable to (re)create the private pkgRedirects directory:\n" +
      redirectsDir);
    return -1;
  }
  this->AddCacheEntry("CMAKE_FIND_PACKAGE_REDIRECTS_DIR", redirectsDir,
                      "Value Computed by CMake.", cmStateEnums::STATIC);

  // no generator specified on the command line
  if (!this->GlobalGenerator) {
    cmValue genName = this->State->GetInitializedCacheValue("CMAKE_GENERATOR");
    cmValue 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;
    }
  }

  cmValue genName = this->State->GetInitializedCacheValue("CMAKE_GENERATOR");
  if (genName) {
    if (!this->GlobalGenerator->MatchesGeneratorName(*genName)) {
      std::string message =
        cmStrCat("Error: generator : ", this->GlobalGenerator->GetName(),
                 "\nDoes not match the generator used previously: ", *genName,
                 "\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(),
                        "Name of generator.", cmStateEnums::INTERNAL);
    this->AddCacheEntry(
      "CMAKE_EXTRA_GENERATOR", this->GlobalGenerator->GetExtraGeneratorName(),
      "Name of external makefile project generator.", cmStateEnums::INTERNAL);

    if (!this->State->GetInitializedCacheValue("CMAKE_TOOLCHAIN_FILE")) {
      std::string envToolchain;
      if (cmSystemTools::GetEnv("CMAKE_TOOLCHAIN_FILE", envToolchain) &&
          !envToolchain.empty()) {
        this->AddCacheEntry("CMAKE_TOOLCHAIN_FILE", envToolchain,
                            "The CMake toolchain file",
                            cmStateEnums::FILEPATH);
      }
    }
  }

  if (cmValue instance =
        this->State->GetInitializedCacheValue("CMAKE_GENERATOR_INSTANCE")) {
    if (this->GeneratorInstanceSet && this->GeneratorInstance != *instance) {
      std::string message =
        cmStrCat("Error: generator instance: ", this->GeneratorInstance,
                 "\nDoes not match the instance used previously: ", *instance,
                 "\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,
                        "Generator instance identifier.",
                        cmStateEnums::INTERNAL);
  }

  if (cmValue platformName =
        this->State->GetInitializedCacheValue("CMAKE_GENERATOR_PLATFORM")) {
    if (this->GeneratorPlatformSet &&
        this->GeneratorPlatform != *platformName) {
      std::string message = cmStrCat(
        "Error: generator platform: ", this->GeneratorPlatform,
        "\nDoes not match the platform used previously: ", *platformName,
        "\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,
                        "Name of generator platform.", cmStateEnums::INTERNAL);
  }

  if (cmValue tsName =
        this->State->GetInitializedCacheValue("CMAKE_GENERATOR_TOOLSET")) {
    if (this->GeneratorToolsetSet && this->GeneratorToolset != *tsName) {
      std::string message =
        cmStrCat("Error: generator toolset: ", this->GeneratorToolset,
                 "\nDoes not match the toolset used previously: ", *tsName,
                 "\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,
                        "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->GetIsInTryCompile()) {
    this->GlobalGenerator->ClearEnabledLanguages();

    this->TruncateOutputLog("CMakeOutput.log");
    this->TruncateOutputLog("CMakeError.log");
  }

#if !defined(CMAKE_BOOTSTRAP)
  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);
    }
  }

  const auto& 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->Messenger.get());
  this->SaveCache(this->GetHomeOutputDirectory());
  if (cmSystemTools::GetErrorOccuredFlag()) {
    return -1;
  }
  return 0;
}

std::unique_ptr<cmGlobalGenerator> cmake::EvaluateDefaultGlobalGenerator()
{
  if (!this->EnvironmentGenerator.empty()) {
    auto gen = this->CreateGlobalGenerator(this->EnvironmentGenerator);
    if (!gen) {
      cmSystemTools::Error("CMAKE_GENERATOR was set but the specified "
                           "generator doesn't exist. Using CMake default.");
    } else {
      return gen;
    }
  }
#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(17).IsVSInstalled()) {
    found = "Visual Studio 17 2022";
  } else 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;
          }
        }
      }
    }
  }
  auto gen = this->CreateGlobalGenerator(found);
  if (!gen) {
    gen = cm::make_unique<cmGlobalNMakeMakefileGenerator>(this);
  }
  return std::unique_ptr<cmGlobalGenerator>(std::move(gen));
#elif defined(CMAKE_BOOTSTRAP_NINJA)
  return std::unique_ptr<cmGlobalGenerator>(
    cm::make_unique<cmGlobalNinjaGenerator>(this));
#else
  return std::unique_ptr<cmGlobalGenerator>(
    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(std::move(gen));
}

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 (this->GetWorkingMode() == HELP_MODE) {
    return 0;
  }

  // Log the trace format version to the desired output
  if (this->GetTrace()) {
    this->PrintTraceFormatVersion();
  }

  // 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) {
    if (this->FreshCache) {
      this->DeleteCache(this->GetHomeOutputDirectory());
    }
    // load the cache
    if (this->LoadCache() < 0) {
      cmSystemTools::Error("Error executing cmake::LoadCache(). Aborting.\n");
      return -1;
    }
  } else {
    if (this->FreshCache) {
      cmSystemTools::Error("--fresh allowed only when configuring a project");
      return -1;
    }
    this->AddCMakePaths();
  }

#ifndef CMAKE_BOOTSTRAP
  this->ProcessPresetVariables();
  this->ProcessPresetEnvironment();
#endif
  // Add any cache args
  if (!this->SetCacheArgs(args)) {
    cmSystemTools::Error("Run 'cmake --help' for all supported options.");
    return -1;
  }
#ifndef CMAKE_BOOTSTRAP
  this->PrintPresetVariables();
  this->PrintPresetEnvironment();
#endif

  // 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 =
        cm::static_reference_cast<cmGlobalVisualStudioGenerator>(
          this->GlobalGenerator);
      gg.CallVisualStudioMacro(cmGlobalVisualStudioGenerator::MacroStop,
                               this->VSSolutionFile);
    }
#endif
    return ret;
  }
  ret = this->Generate();
  if (ret) {
    cmSystemTools::Message("CMake Generate step failed.  "
                           "Build files cannot be regenerated correctly.");
    return ret;
  }
  std::string message = cmStrCat("Build files have been written to: ",
                                 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);
  }
  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_BOOTSTRAP)
  this->FileAPI->WriteReplies();
#endif

  return 0;
}

void cmake::AddCacheEntry(const std::string& key, cmValue value,
                          const char* helpString, int type)
{
  this->State->AddCacheEntry(key, value, helpString,
                             static_cast<cmStateEnums::CacheEntryType>(type));
  this->UnwatchUnusedCli(key);

  if (key == "CMAKE_WARN_DEPRECATED"_s) {
    this->Messenger->SetSuppressDeprecatedWarnings(value && cmIsOff(value));
  } else if (key == "CMAKE_ERROR_DEPRECATED"_s) {
    this->Messenger->SetDeprecatedWarningsAsErrors(cmIsOn(value));
  } else if (key == "CMAKE_SUPPRESS_DEVELOPER_WARNINGS"_s) {
    this->Messenger->SetSuppressDevWarnings(cmIsOn(value));
  } else if (key == "CMAKE_SUPPRESS_DEVELOPER_ERRORS"_s) {
    this->Messenger->SetDevWarningsAsErrors(value && cmIsOff(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, this->Messenger.get());
}

std::vector<std::string> cmake::GetAllExtensions() const
{
  std::vector<std::string> allExt = this->CLikeSourceFileExtensions.ordered;
  allExt.insert(allExt.end(), this->HeaderFileExtensions.ordered.begin(),
                this->HeaderFileExtensions.ordered.end());
  // cuda extensions are also in SourceFileExtensions so we ignore it here
  allExt.insert(allExt.end(), this->FortranFileExtensions.ordered.begin(),
                this->FortranFileExtensions.ordered.end());
  allExt.insert(allExt.end(), this->HipFileExtensions.ordered.begin(),
                this->HipFileExtensions.ordered.end());
  allExt.insert(allExt.end(), this->ISPCFileExtensions.ordered.begin(),
                this->ISPCFileExtensions.ordered.end());
  return allExt;
}

std::string cmake::StripExtension(const std::string& file) const
{
  auto dotpos = file.rfind('.');
  if (dotpos != std::string::npos) {
#if defined(_WIN32) || defined(__APPLE__)
    auto ext = cmSystemTools::LowerCase(file.substr(dotpos + 1));
#else
    auto ext = cm::string_view(file).substr(dotpos + 1);
#endif
    if (this->IsAKnownExtension(ext)) {
      return file.substr(0, dotpos);
    }
  }
  return file;
}

cmValue cmake::GetCacheDefinition(const std::string& name) const
{
  return this->State->GetInitializedCacheValue(name);
}

void cmake::AddScriptingCommands() const
{
  GetScriptingCommands(this->GetState());
}

void cmake::AddProjectCommands() const
{
  GetProjectCommands(this->GetState());
}

void cmake::AddDefaultGenerators()
{
#if defined(_WIN32) && !defined(__CYGWIN__)
#  if !defined(CMAKE_BOOT_MINGW)
  this->Generators.push_back(
    cmGlobalVisualStudioVersionedGenerator::NewFactory17());
  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());
#  endif
  this->Generators.push_back(cmGlobalMSYSMakefileGenerator::NewFactory());
  this->Generators.push_back(cmGlobalMinGWMakefileGenerator::NewFactory());
#endif
#if !defined(CMAKE_BOOTSTRAP)
#  if (defined(__linux__) && !defined(__ANDROID__)) || defined(_WIN32)
  this->Generators.push_back(cmGlobalGhsMultiGenerator::NewFactory());
#  endif
  this->Generators.push_back(cmGlobalUnixMakefileGenerator3::NewFactory());
  this->Generators.push_back(cmGlobalNinjaGenerator::NewFactory());
  this->Generators.push_back(cmGlobalNinjaMultiGenerator::NewFactory());
#elif defined(CMAKE_BOOTSTRAP_NINJA)
  this->Generators.push_back(cmGlobalNinjaGenerator::NewFactory());
#elif defined(CMAKE_BOOTSTRAP_MAKEFILES)
  this->Generators.push_back(cmGlobalUnixMakefileGenerator3::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 =
      cmStrCat(this->GetHomeOutputDirectory(), "/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->GetIsInTryCompile()) {
    this->ProgressCallback(msg, prog);
  }
}

bool cmake::GetIsInTryCompile() const
{
  return this->State->GetProjectKind() == cmState::ProjectKind::TryCompile;
}

void cmake::AppendGlobalGeneratorsDocumentation(
  std::vector<cmDocumentationEntry>& v)
{
  const auto defaultGenerator = this->EvaluateDefaultGlobalGenerator();
  const std::string defaultName = defaultGenerator->GetName();
  bool foundDefaultOne = false;

  for (const auto& g : this->Generators) {
    cmDocumentationEntry e;
    g->GetDocumentation(e);
    if (!foundDefaultOne && cmHasPrefix(e.Name, defaultName)) {
      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()
{
#ifndef CMAKE_BOOTSTRAP
  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:
  cmValue 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;
      std::string 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) {
      cmSystemTools::Stdout("Re-run cmake no build system arguments\n");
    }
    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.
    std::string genName = mf.GetSafeDefinition("CMAKE_DEPENDS_GENERATOR");
    if (!cmNonempty(genName)) {
      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());
      auto 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;
  mf.GetDefExpandList("CMAKE_MAKEFILE_PRODUCTS", 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;
  if (mf.GetDefExpandList("CMAKE_MAKEFILE_DEPENDS", depends)) {
    mf.GetDefExpandList("CMAKE_MAKEFILE_OUTPUTS", outputs);
  }
  if (depends.empty() || outputs.empty()) {
    // Not enough information was provided to do the test.  Just rerun.
    if (verbose) {
      cmSystemTools::Stdout("Re-run cmake no CMAKE_MAKEFILE_DEPENDS "
                            "or CMAKE_MAKEFILE_OUTPUTS :\n");
    }
    return 1;
  }

  // Find the newest dependency.
  auto dep = depends.begin();
  std::string dep_newest = *dep++;
  for (; dep != depends.end(); ++dep) {
    int result = 0;
    if (this->FileTimeCache->Compare(dep_newest, *dep, &result)) {
      if (result < 0) {
        dep_newest = *dep;
      }
    } else {
      if (verbose) {
        cmSystemTools::Stdout(
          "Re-run cmake: build system dependency is missing\n");
      }
      return 1;
    }
  }

  // Find the oldest output.
  auto out = outputs.begin();
  std::string out_oldest = *out++;
  for (; out != outputs.end(); ++out) {
    int result = 0;
    if (this->FileTimeCache->Compare(out_oldest, *out, &result)) {
      if (result > 0) {
        out_oldest = *out;
      }
    } else {
      if (verbose) {
        cmSystemTools::Stdout(
          "Re-run cmake: build system output is missing\n");
      }
      return 1;
    }
  }

  // If any output is older than any dependency then rerun.
  {
    int result = 0;
    if (!this->FileTimeCache->Compare(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 = cmStrCat(this->GetHomeOutputDirectory(), '/', 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;
  }
}

void cmake::MarkCliAsUsed(const std::string& variable)
{
  this->UsedCliVariables[variable] = true;
}

void cmake::GenerateGraphViz(const std::string& fileName) const
{
#ifndef CMAKE_BOOTSTRAP
  cmGraphVizWriter gvWriter(fileName, this->GetGlobalGenerator());

  std::string settingsFile =
    cmStrCat(this->GetHomeOutputDirectory(), "/CMakeGraphVizOptions.cmake");
  std::string fallbackSettingsFile =
    cmStrCat(this->GetHomeDirectory(), "/CMakeGraphVizOptions.cmake");

  gvWriter.ReadSettings(settingsFile, fallbackSettingsFile);

  gvWriter.Write();

#endif
}

void cmake::SetProperty(const std::string& prop, const char* value)
{
  this->State->SetGlobalProperty(prop, value);
}
void cmake::SetProperty(const std::string& prop, cmValue value)
{
  this->State->SetGlobalProperty(prop, value);
}

void cmake::AppendProperty(const std::string& prop, const std::string& value,
                           bool asString)
{
  this->State->AppendGlobalProperty(prop, value, asString);
}

cmValue 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)
{
  auto 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
{
  auto 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 (cmHasLiteralPrefix(arg, "-G")) {
      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];
      }
      auto gen = this->CreateGlobalGenerator(value);
      if (!gen) {
        cmSystemTools::Error("Could not create named generator " + value);
        this->PrintGeneratorList();
      } else {
        this->SetGlobalGenerator(std::move(gen));
      }
    }
    // no option assume it is the output file
    else {
      if (!cmSystemTools::FileIsFullPath(arg)) {
        resultFile = cmStrCat(cwd, '/');
      }
      resultFile += arg;
      writeToStdout = false;
    }
  }

  // we have to find the module directory, so we can copy the files
  this->AddCMakePaths();
  std::string modulesPath =
    cmStrCat(cmSystemTools::GetCMakeRoot(), "/Modules");
  std::string inFile = cmStrCat(modulesPath, "/SystemInformation.cmake");
  std::string outFile = cmStrCat(destPath, "/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 = cmStrCat(cwd, "/__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)
{
  // 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 = cmStrCat(stampName, ".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.
  {
    cmFileTimeCache ftc;
    std::string dep;
    while (cmSystemTools::GetLineFromStream(fin, dep)) {
      int result;
      if (!dep.empty() && dep[0] != '#' &&
          (!ftc.Compare(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";
  }
  std::string err;
  if (cmSystemTools::RenameFile(stampTemp, stampName,
                                cmSystemTools::Replace::Yes, &err) ==
      cmSystemTools::RenameResult::Success) {
    // CMake does not need to re-run because the stamp file is up-to-date.
    return true;
  }
  cmSystemTools::RemoveFile(stampTemp);
  cmSystemTools::Error(
    cmStrCat("Cannot restore timestamp \"", stampName, "\": ", err));
  return false;
}

static bool cmakeCheckStampList(const std::string& stampList)
{
  // 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)) {
      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 (cmValue config_list =
        this->State->GetGlobalProperty("DEBUG_CONFIGURATIONS")) {
    // Expand the specified list and convert to upper-case.
    cmExpandList(*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;
}

int cmake::Build(int jobs, std::string dir, std::vector<std::string> targets,
                 std::string config, std::vector<std::string> nativeOptions,
                 cmBuildOptions& buildOptions, bool verbose,
                 const std::string& presetName, bool listPresets)
{
  this->SetHomeDirectory("");
  this->SetHomeOutputDirectory("");

#if !defined(CMAKE_BOOTSTRAP)
  if (!presetName.empty() || listPresets) {
    this->SetHomeDirectory(cmSystemTools::GetCurrentWorkingDirectory());
    this->SetHomeOutputDirectory(cmSystemTools::GetCurrentWorkingDirectory());

    cmCMakePresetsGraph settingsFile;
    auto result = settingsFile.ReadProjectPresets(this->GetHomeDirectory());
    if (result != cmCMakePresetsGraph::ReadFileResult::READ_OK) {
      cmSystemTools::Error(
        cmStrCat("Could not read presets from ", this->GetHomeDirectory(),
                 ": ", cmCMakePresetsGraph::ResultToString(result)));
      return 1;
    }

    if (listPresets) {
      settingsFile.PrintBuildPresetList();
      return 0;
    }

    auto presetPair = settingsFile.BuildPresets.find(presetName);
    if (presetPair == settingsFile.BuildPresets.end()) {
      cmSystemTools::Error(cmStrCat("No such build preset in ",
                                    this->GetHomeDirectory(), ": \"",
                                    presetName, '"'));
      settingsFile.PrintBuildPresetList();
      return 1;
    }

    if (presetPair->second.Unexpanded.Hidden) {
      cmSystemTools::Error(cmStrCat("Cannot use hidden build preset in ",
                                    this->GetHomeDirectory(), ": \"",
                                    presetName, '"'));
      settingsFile.PrintBuildPresetList();
      return 1;
    }

    auto const& expandedPreset = presetPair->second.Expanded;
    if (!expandedPreset) {
      cmSystemTools::Error(cmStrCat("Could not evaluate build preset \"",
                                    presetName,
                                    "\": Invalid macro expansion"));
      settingsFile.PrintBuildPresetList();
      return 1;
    }

    if (!expandedPreset->ConditionResult) {
      cmSystemTools::Error(cmStrCat("Cannot use disabled build preset in ",
                                    this->GetHomeDirectory(), ": \"",
                                    presetName, '"'));
      settingsFile.PrintBuildPresetList();
      return 1;
    }

    auto configurePresetPair =
      settingsFile.ConfigurePresets.find(expandedPreset->ConfigurePreset);
    if (configurePresetPair == settingsFile.ConfigurePresets.end()) {
      cmSystemTools::Error(cmStrCat("No such configure preset in ",
                                    this->GetHomeDirectory(), ": \"",
                                    expandedPreset->ConfigurePreset, '"'));
      this->PrintPresetList(settingsFile);
      return 1;
    }

    if (configurePresetPair->second.Unexpanded.Hidden) {
      cmSystemTools::Error(cmStrCat("Cannot use hidden configure preset in ",
                                    this->GetHomeDirectory(), ": \"",
                                    expandedPreset->ConfigurePreset, '"'));
      this->PrintPresetList(settingsFile);
      return 1;
    }

    auto const& expandedConfigurePreset = configurePresetPair->second.Expanded;
    if (!expandedConfigurePreset) {
      cmSystemTools::Error(cmStrCat("Could not evaluate configure preset \"",
                                    expandedPreset->ConfigurePreset,
                                    "\": Invalid macro expansion"));
      return 1;
    }

    if (!expandedConfigurePreset->BinaryDir.empty()) {
      dir = expandedConfigurePreset->BinaryDir;
    }

    this->UnprocessedPresetEnvironment = expandedPreset->Environment;
    this->ProcessPresetEnvironment();

    if ((jobs == cmake::DEFAULT_BUILD_PARALLEL_LEVEL ||
         jobs == cmake::NO_BUILD_PARALLEL_LEVEL) &&
        expandedPreset->Jobs) {
      jobs = *expandedPreset->Jobs;
    }

    if (targets.empty()) {
      targets.insert(targets.begin(), expandedPreset->Targets.begin(),
                     expandedPreset->Targets.end());
    }

    if (config.empty()) {
      config = expandedPreset->Configuration;
    }

    if (!buildOptions.Clean && expandedPreset->CleanFirst) {
      buildOptions.Clean = *expandedPreset->CleanFirst;
    }

    if (buildOptions.ResolveMode == PackageResolveMode::Default &&
        expandedPreset->ResolvePackageReferences) {
      buildOptions.ResolveMode = *expandedPreset->ResolvePackageReferences;
    }

    if (!verbose && expandedPreset->Verbose) {
      verbose = *expandedPreset->Verbose;
    }

    if (nativeOptions.empty()) {
      nativeOptions.insert(nativeOptions.begin(),
                           expandedPreset->NativeToolOptions.begin(),
                           expandedPreset->NativeToolOptions.end());
    }
  }
#endif

  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;
  }
  cmValue cachedGenerator = this->State->GetCacheEntryValue("CMAKE_GENERATOR");
  if (!cachedGenerator) {
    std::cerr << "Error: could not find CMAKE_GENERATOR in Cache\n";
    return 1;
  }
  auto gen = this->CreateGlobalGenerator(*cachedGenerator);
  if (!gen) {
    std::cerr << "Error: could not create CMAKE_GENERATOR \""
              << *cachedGenerator << "\"\n";
    return 1;
  }
  this->SetGlobalGenerator(std::move(gen));
  cmValue cachedGeneratorInstance =
    this->State->GetCacheEntryValue("CMAKE_GENERATOR_INSTANCE");
  if (cachedGeneratorInstance) {
    cmMakefile mf(this->GetGlobalGenerator(), this->GetCurrentSnapshot());
    if (!this->GlobalGenerator->SetGeneratorInstance(*cachedGeneratorInstance,
                                                     &mf)) {
      return 1;
    }
  }
  cmValue cachedGeneratorPlatform =
    this->State->GetCacheEntryValue("CMAKE_GENERATOR_PLATFORM");
  if (cachedGeneratorPlatform) {
    cmMakefile mf(this->GetGlobalGenerator(), this->GetCurrentSnapshot());
    if (!this->GlobalGenerator->SetGeneratorPlatform(*cachedGeneratorPlatform,
                                                     &mf)) {
      return 1;
    }
  }
  cmValue cachedGeneratorToolset =
    this->State->GetCacheEntryValue("CMAKE_GENERATOR_TOOLSET");
  if (cachedGeneratorToolset) {
    cmMakefile mf(this->GetGlobalGenerator(), this->GetCurrentSnapshot());
    if (!this->GlobalGenerator->SetGeneratorToolset(*cachedGeneratorToolset,
                                                    true, &mf)) {
      return 1;
    }
  }
  std::string output;
  std::string projName;
  cmValue 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;

  if (cmIsOn(this->State->GetCacheEntryValue("CMAKE_VERBOSE_MAKEFILE"))) {
    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)) {
      // Correctly initialize the home (=source) and home output (=binary)
      // directories, which is required for running the generation step.