/*=========================================================================

  Program:   CMake - Cross-Platform Makefile Generator
  Module:    $RCSfile$
  Language:  C++
  Date:      $Date$
  Version:   $Revision$

  Copyright (c) 2002 Kitware, Inc., Insight Consortium.  All rights reserved.
  See Copyright.txt or http://www.cmake.org/HTML/Copyright.html for details.

     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notices for more information.

=========================================================================*/
#include "cmGlobalGenerator.h"
#include "cmLocalGenerator.h"
#include "cmExternalMakefileProjectGenerator.h"
#include "cmake.h"
#include "cmMakefile.h"
#include "cmSourceFile.h"
#include "cmVersion.h"
#include "cmInstallExportGenerator.h"

#include <stdlib.h> // required for atof

#if defined(_WIN32) && !defined(__CYGWIN__)
#include <windows.h>
#endif

#include <assert.h>

cmGlobalGenerator::cmGlobalGenerator()
{
  // By default the .SYMBOLIC dependency is not needed on symbolic rules.
  this->NeedSymbolicMark = false;

  // by default use the native paths
  this->ForceUnixPaths = false;

  // By default do not try to support color.
  this->ToolSupportsColor = false;

  // By default do not use link scripts.
  this->UseLinkScript = false;

  // Whether an install target is needed.
  this->InstallTargetEnabled = false;

  // how long to let try compiles run
  this->TryCompileTimeout = 0;

  this->ExtraGenerator = 0;
}

cmGlobalGenerator::~cmGlobalGenerator()
{
  // Delete any existing cmLocalGenerators
  for (unsigned int i = 0; i < this->LocalGenerators.size(); ++i)
    {
    delete this->LocalGenerators[i];
    }
  this->LocalGenerators.clear();

  if (this->ExtraGenerator)
    {
    delete this->ExtraGenerator;
    }

  for (std::map<cmStdString, std::vector<cmTargetExport*> >::iterator 
       setIt = this->ExportSets.begin();
       setIt != this->ExportSets.end();
       ++setIt)
    {
      for (unsigned int i = 0; i < setIt->second.size(); ++i)
        {
        delete setIt->second[i];
        }
    }
}

// Find the make program for the generator, required for try compiles
void cmGlobalGenerator::FindMakeProgram(cmMakefile* mf)
{
  if(this->FindMakeProgramFile.size() == 0)
    {
    cmSystemTools::Error(
      "Generator implementation error, "
      "all generators must specify this->FindMakeProgramFile");
    }
  if(!mf->GetDefinition("CMAKE_MAKE_PROGRAM")
     || cmSystemTools::IsOff(mf->GetDefinition("CMAKE_MAKE_PROGRAM")))
    {
    std::string setMakeProgram =
      mf->GetModulesFile(this->FindMakeProgramFile.c_str());
    if(setMakeProgram.size())
      {
      mf->ReadListFile(0, setMakeProgram.c_str());
      }
    }
  if(!mf->GetDefinition("CMAKE_MAKE_PROGRAM")
     || cmSystemTools::IsOff(mf->GetDefinition("CMAKE_MAKE_PROGRAM")))
    {
    cmOStringStream err;
    err << "CMake was unable to find a build program corresponding to \""
        << this->GetName() << "\".  CMAKE_MAKE_PROGRAM is not set.  You "
        << "probably need to select a different build tool.";
    cmSystemTools::Error(err.str().c_str());
    cmSystemTools::SetFatalErrorOccured();
    return;
    }
  std::string makeProgram = mf->GetRequiredDefinition("CMAKE_MAKE_PROGRAM");
  // if there are spaces in the make program use short path
  // but do not short path the actual program name, as
  // this can cause trouble with VSExpress
  if(makeProgram.find(' ') != makeProgram.npos)
    {
    std::string dir;
    std::string file;
    cmSystemTools::SplitProgramPath(makeProgram.c_str(),
                                    dir, file);
    std::string saveFile = file;
    cmSystemTools::GetShortPath(makeProgram.c_str(), makeProgram);
    cmSystemTools::SplitProgramPath(makeProgram.c_str(),
                                    dir, file);
    makeProgram = dir;
    makeProgram += "/";
    makeProgram += saveFile;
    mf->AddCacheDefinition("CMAKE_MAKE_PROGRAM", makeProgram.c_str(),
                           "make program",
                           cmCacheManager::FILEPATH);
    }

  if(makeProgram.find("xcodebuild") != makeProgram.npos)
    {
    // due to the text file busy /bin/sh problem with xcodebuild
    // use the cmakexbuild wrapper instead.  This program
    // will run xcodebuild and if it sees the error text file busy
    // it will stop forwarding output, and let the build finish.
    // Then it will retry the build.  It will continue this
    // untill no text file busy errors occur.
    std::string cmakexbuild =
      this->CMakeInstance->GetCacheManager()->GetCacheValue("CMAKE_COMMAND");
    cmakexbuild = cmakexbuild.substr(0, cmakexbuild.length()-5);
    cmakexbuild += "cmakexbuild";

    mf->AddCacheDefinition("CMAKE_MAKE_PROGRAM",
                           cmakexbuild.c_str(),
                           "make program",
                           cmCacheManager::FILEPATH);
    }
}

// enable the given language
//
// The following files are loaded in this order:
//
// First figure out what OS we are running on:
//
// CMakeSystem.cmake - configured file created by CMakeDetermineSystem.cmake
//   CMakeDetermineSystem.cmake - figure out os info and create
//                                CMakeSystem.cmake IF CMAKE_HOST_SYSTEM_NAME
//                                not set
//   CMakeSystem.cmake - configured file created by
//                       CMakeDetermineSystem.cmake IFF CMAKE_SYSTEM_LOADED

// Next try and enable all languages found in the languages vector
//
// FOREACH LANG in languages
//   CMake(LANG)Compiler.cmake - configured file create by
//                               CMakeDetermine(LANG)Compiler.cmake
//     CMakeDetermine(LANG)Compiler.cmake - Finds compiler for LANG and
//                                          creates CMake(LANG)Compiler.cmake
//     CMake(LANG)Compiler.cmake - configured file created by
//                                 CMakeDetermine(LANG)Compiler.cmake
//
// CMakeSystemSpecificInformation.cmake
//   - includes Platform/${CMAKE_SYSTEM_NAME}.cmake
//     may use compiler stuff

// FOREACH LANG in languages
//   CMake(LANG)Information.cmake
//     - loads Platform/${CMAKE_SYSTEM_NAME}-${COMPILER}.cmake
//   CMakeTest(LANG)Compiler.cmake
//     - Make sure the compiler works with a try compile if
//       CMakeDetermine(LANG) was loaded
//
// Now load a few files that can override values set in any of the above
// CMake(PROJECTNAME)Compatibility.cmake
//   - load any backwards compatibility stuff for current project
// ${CMAKE_USER_MAKE_RULES_OVERRIDE}
//   - allow users a chance to override system variables
//
//

void
cmGlobalGenerator::EnableLanguage(std::vector<std::string>const& languages,
                                  cmMakefile *mf)
{
  if(languages.size() == 0)
    {
    cmSystemTools::Error("EnableLanguage must have a lang specified!");
    cmSystemTools::SetFatalErrorOccured();
    return;
    }
  mf->AddDefinition("RUN_CONFIGURE", true);
  std::string rootBin = mf->GetHomeOutputDirectory();
  rootBin += cmake::GetCMakeFilesDirectory();

  // If the configuration files path has been set,
  // then we are in a try compile and need to copy the enable language
  // files from the parent cmake bin dir, into the try compile bin dir
  if(this->ConfiguredFilesPath.size())
    {
    for(std::vector<std::string>::const_iterator l = languages.begin();
        l != languages.end(); ++l)
      {
      if(*l == "NONE")
        {
        this->SetLanguageEnabled("NONE", mf);
        break;
        }
      }
    rootBin = this->ConfiguredFilesPath;
    }

  // set the dir for parent files so they can be used by modules
  mf->AddDefinition("CMAKE_PLATFORM_ROOT_BIN",rootBin.c_str());

  // find and make sure CMAKE_MAKE_PROGRAM is defined
  this->FindMakeProgram(mf);

  // try and load the CMakeSystem.cmake if it is there
  std::string fpath = rootBin;
  if(!mf->GetDefinition("CMAKE_SYSTEM_LOADED"))
    {
    fpath += "/CMakeSystem.cmake";
    if(cmSystemTools::FileExists(fpath.c_str()))
      {
      mf->ReadListFile(0,fpath.c_str());
      }
    }
  //  Load the CMakeDetermineSystem.cmake file and find out
  // what platform we are running on
  if (!mf->GetDefinition("CMAKE_HOST_SYSTEM_NAME"))
    {
#if defined(_WIN32) && !defined(__CYGWIN__)
    /* Windows version number data.  */
    OSVERSIONINFO osvi;
    ZeroMemory(&osvi, sizeof(osvi));
    osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
    GetVersionEx (&osvi);
    cmOStringStream windowsVersionString;
    windowsVersionString << osvi.dwMajorVersion << "." << osvi.dwMinorVersion;
    windowsVersionString.str();
    mf->AddDefinition("CMAKE_HOST_SYSTEM_VERSION", 
                      windowsVersionString.str().c_str());
#endif
    // Read the DetermineSystem file
    std::string systemFile = mf->GetModulesFile("CMakeDetermineSystem.cmake");
    mf->ReadListFile(0, systemFile.c_str());
    // load the CMakeSystem.cmake from the binary directory
    // this file is configured by the CMakeDetermineSystem.cmake file
    fpath = rootBin;
    fpath += "/CMakeSystem.cmake";
    mf->ReadListFile(0,fpath.c_str());
    }
  std::map<cmStdString, bool> needTestLanguage;
  std::map<cmStdString, bool> needSetLanguageEnabledMaps;
  // foreach language
  // load the CMakeDetermine(LANG)Compiler.cmake file to find
  // the compiler

  for(std::vector<std::string>::const_iterator l = languages.begin();
      l != languages.end(); ++l)
    {
    const char* lang = l->c_str();
    needSetLanguageEnabledMaps[lang] = false;
    if(*l == "NONE")
      {
      this->SetLanguageEnabled("NONE", mf);
      continue;
      }
    std::string loadedLang = "CMAKE_";
    loadedLang +=  lang;
    loadedLang += "_COMPILER_LOADED";
    // If the existing build tree was already configured with this
    // version of CMake then try to load the configured file first
    // to avoid duplicate compiler tests.
    unsigned int cacheMajor = mf->GetCacheMajorVersion();
    unsigned int cacheMinor = mf->GetCacheMinorVersion();
    unsigned int selfMajor = cmVersion::GetMajorVersion();
    unsigned int selfMinor = cmVersion::GetMinorVersion();
    if((this->CMakeInstance->GetIsInTryCompile() ||
        (selfMajor == cacheMajor && selfMinor == cacheMinor))
       && !mf->GetDefinition(loadedLang.c_str()))
      {
      fpath = rootBin;
      fpath += "/CMake";
      fpath += lang;
      fpath += "Compiler.cmake";
      if(cmSystemTools::FileExists(fpath.c_str()))
        {
        if(!mf->ReadListFile(0,fpath.c_str()))
          {
          cmSystemTools::Error("Could not find cmake module file:",
                               fpath.c_str());
          }
        // if this file was found then the language was already determined
        // to be working
        needTestLanguage[lang] = false;
        this->SetLanguageEnabledFlag(lang, mf);
        needSetLanguageEnabledMaps[lang] = true;
        // this can only be called after loading CMake(LANG)Compiler.cmake
        }
      }

    if(!this->GetLanguageEnabled(lang) )
      {
      if (this->CMakeInstance->GetIsInTryCompile())
        {
        cmSystemTools::Error("This should not have happen. "
                             "If you see this message, you are probably "
                             "using a broken CMakeLists.txt file or a "
                             "problematic release of CMake");
        }
      // if the CMake(LANG)Compiler.cmake file was not found then
      // load CMakeDetermine(LANG)Compiler.cmake
      std::string determineCompiler = "CMakeDetermine";
      determineCompiler += lang;
      determineCompiler += "Compiler.cmake";
      std::string determineFile =
        mf->GetModulesFile(determineCompiler.c_str());
      if(!mf->ReadListFile(0,determineFile.c_str()))
        {
        cmSystemTools::Error("Could not find cmake module file:",
                             determineFile.c_str());
        }
      needTestLanguage[lang] = true;
      // Some generators like visual studio should not use the env variables
      // So the global generator can specify that in this variable
      if(!mf->GetDefinition("CMAKE_GENERATOR_NO_COMPILER_ENV"))
        {
        // put ${CMake_(LANG)_COMPILER_ENV_VAR}=${CMAKE_(LANG)_COMPILER
        // into the environment, in case user scripts want to run
        // configure, or sub cmakes
        std::string compilerName = "CMAKE_";
        compilerName += lang;
        compilerName += "_COMPILER";
        std::string compilerEnv = "CMAKE_";
        compilerEnv += lang;
        compilerEnv += "_COMPILER_ENV_VAR";
        std::string envVar = mf->GetRequiredDefinition(compilerEnv.c_str());
        std::string envVarValue =
          mf->GetRequiredDefinition(compilerName.c_str());
        std::string env = envVar;
        env += "=";
        env += envVarValue;
        cmSystemTools::PutEnv(env.c_str());
        }

      // if determineLanguage was called then load the file it
      // configures CMake(LANG)Compiler.cmake
      fpath = rootBin;
      fpath += "/CMake";
      fpath += lang;
      fpath += "Compiler.cmake";
      if(!mf->ReadListFile(0,fpath.c_str()))
        {
        cmSystemTools::Error("Could not find cmake module file:",
                             fpath.c_str());
        }
      this->SetLanguageEnabledFlag(lang, mf);
      needSetLanguageEnabledMaps[lang] = true;
      // this can only be called after loading CMake(LANG)Compiler.cmake
      // the language must be enabled for try compile to work, but we do
      // not know if it is a working compiler yet so set the test language
      // flag
      needTestLanguage[lang] = true;
      } // end if(!this->GetLanguageEnabled(lang) )
    }  // end loop over languages

  // **** Load the system specific information if not yet loaded
  if (!mf->GetDefinition("CMAKE_SYSTEM_SPECIFIC_INFORMATION_LOADED"))
    {
    fpath = mf->GetModulesFile("CMakeSystemSpecificInformation.cmake");
    if(!mf->ReadListFile(0,fpath.c_str()))
      {
      cmSystemTools::Error("Could not find cmake module file:",
                           fpath.c_str());
      }
    }
  // loop over languages again loading CMake(LANG)Information.cmake
  //
  for(std::vector<std::string>::const_iterator l = languages.begin();
      l != languages.end(); ++l)
    {
    const char* lang = l->c_str();
    if(*l == "NONE")
      {
      this->SetLanguageEnabled("NONE", mf);
      continue;
      }
    std::string langLoadedVar = "CMAKE_";
    langLoadedVar += lang;
    langLoadedVar += "_INFORMATION_LOADED";
    if (!mf->GetDefinition(langLoadedVar.c_str()))
      {
      fpath = "CMake";
      fpath +=  lang;
      fpath += "Information.cmake";
      fpath = mf->GetModulesFile(fpath.c_str());
      if(!mf->ReadListFile(0,fpath.c_str()))
        {
        cmSystemTools::Error("Could not find cmake module file:",
                             fpath.c_str());
        }
      }
    if (needSetLanguageEnabledMaps[lang])
      {
      this->SetLanguageEnabledMaps(lang, mf);
      }

    // Test the compiler for the language just setup
    // At this point we should have enough info for a try compile
    // which is used in the backward stuff
    // If the language is untested then test it now with a try compile.
    if(needTestLanguage[lang])
      {
      if (!this->CMakeInstance->GetIsInTryCompile())
        {
        std::string testLang = "CMakeTest";
        testLang += lang;
        testLang += "Compiler.cmake";
        std::string ifpath = mf->GetModulesFile(testLang.c_str());
        if(!mf->ReadListFile(0,ifpath.c_str()))
          {
          cmSystemTools::Error("Could not find cmake module file:",
                               ifpath.c_str());
          }
        std::string compilerWorks = "CMAKE_";
        compilerWorks += lang;
        compilerWorks += "_COMPILER_WORKS";
        // if the compiler did not work, then remove the
        // CMake(LANG)Compiler.cmake file so that it will get tested the
        // next time cmake is run
        if(!mf->IsOn(compilerWorks.c_str()))
          {
          fpath = rootBin;
          fpath += "/CMake";
          fpath += lang;
          fpath += "Compiler.cmake";
          cmSystemTools::RemoveFile(fpath.c_str());
          }
        else
          {
          // load backwards compatibility stuff for C and CXX
          // for old versions of CMake ListFiles C and CXX had some
          // backwards compatibility files they have to load
          // These files have a bunch of try compiles in them so
          // should only be done
          const char* versionValue
            = mf->GetDefinition("CMAKE_BACKWARDS_COMPATIBILITY");
          if (atof(versionValue) <= 1.4)
            {
            if(strcmp(lang, "C") == 0)
              {
              ifpath =
                mf->GetModulesFile("CMakeBackwardCompatibilityC.cmake");
              mf->ReadListFile(0,ifpath.c_str());
              }
            if(strcmp(lang, "CXX") == 0)
              {
              ifpath =
                mf->GetModulesFile("CMakeBackwardCompatibilityCXX.cmake");
              mf->ReadListFile(0,ifpath.c_str());
              }
            }
          }
        } // end if in try compile
      } // end need test language
    } // end for each language

  // Now load files that can override any settings on the platform or for
  // the project First load the project compatibility file if it is in
  // cmake
  std::string projectCompatibility = mf->GetDefinition("CMAKE_ROOT");
  projectCompatibility += "/Modules/";
  projectCompatibility += mf->GetSafeDefinition("PROJECT_NAME");
  projectCompatibility += "Compatibility.cmake";
  if(cmSystemTools::FileExists(projectCompatibility.c_str()))
    {
    mf->ReadListFile(0,projectCompatibility.c_str());
    }
}

//----------------------------------------------------------------------------
const char*
cmGlobalGenerator::GetLanguageOutputExtension(cmSourceFile const& source)
{
  if(const char* lang = source.GetLanguage())
    {
    if(this->LanguageToOutputExtension.count(lang) > 0)
      {
      return this->LanguageToOutputExtension[lang].c_str();
      }
    }
  else
    {
    // if no language is found then check to see if it is already an
    // ouput extension for some language.  In that case it should be ignored
    // and in this map, so it will not be compiled but will just be used.
    std::string const& ext = source.GetExtension();
    if(!ext.empty())
      {
      if(this->OutputExtensions.count(ext))
        {
        return ext.c_str();
        }
      }
    }
  return "";
}


const char* cmGlobalGenerator::GetLanguageFromExtension(const char* ext)
{
  // if there is an extension and it starts with . then move past the
  // . because the extensions are not stored with a .  in the map
  if(ext && *ext == '.')
    {
    ++ext;
    }
  if(this->ExtensionToLanguage.count(ext) > 0)
    {
    return this->ExtensionToLanguage[ext].c_str();
    }
  return 0;
}

/* SetLanguageEnabled() is now split in two parts:
at first the enabled-flag is set. This can then be used in EnabledLanguage()
for checking whether the language is already enabled. After setting this
flag still the values from the cmake variables have to be copied into the
internal maps, this is done in SetLanguageEnabledMaps() which is called
after the system- and compiler specific files have been loaded.
*/
void cmGlobalGenerator::SetLanguageEnabled(const char* l, cmMakefile* mf)
{
  this->SetLanguageEnabledFlag(l, mf);
  this->SetLanguageEnabledMaps(l, mf);
}

void cmGlobalGenerator::SetLanguageEnabledFlag(const char* l, cmMakefile*)
{
  this->LanguageEnabled[l] = true;
}

void cmGlobalGenerator::SetLanguageEnabledMaps(const char* l, cmMakefile* mf)
{
  // use LanguageToLinkerPreference to detect whether this functions has
  // run before
  if (this->LanguageToLinkerPreference.find(l) !=
                                        this->LanguageToLinkerPreference.end())
    {
    return;
    }

  std::string linkerPrefVar = std::string("CMAKE_") +
    std::string(l) + std::string("_LINKER_PREFERENCE");
  const char* linkerPref = mf->GetDefinition(linkerPrefVar.c_str());
  if(!linkerPref)
    {
    linkerPref = "None";
    }
  this->LanguageToLinkerPreference[l] = linkerPref;


  std::string outputExtensionVar = std::string("CMAKE_") +
    std::string(l) + std::string("_OUTPUT_EXTENSION");
  const char* outputExtension = mf->GetDefinition(outputExtensionVar.c_str());
  if(outputExtension)
    {
    this->LanguageToOutputExtension[l] = outputExtension;
    this->OutputExtensions[outputExtension] = outputExtension;
    if(outputExtension[0] == '.')
      {
      this->OutputExtensions[outputExtension+1] = outputExtension+1;
      }
    }

  std::string extensionsVar = std::string("CMAKE_") +
    std::string(l) + std::string("_SOURCE_FILE_EXTENSIONS");
  std::string ignoreExtensionsVar = std::string("CMAKE_") +
    std::string(l) + std::string("_IGNORE_EXTENSIONS");
  std::string ignoreExts = mf->GetSafeDefinition(ignoreExtensionsVar.c_str());
  std::string exts = mf->GetSafeDefinition(extensionsVar.c_str());
  std::vector<std::string> extensionList;
  cmSystemTools::ExpandListArgument(exts, extensionList);
  for(std::vector<std::string>::iterator i = extensionList.begin();
      i != extensionList.end(); ++i)
    {
    this->ExtensionToLanguage[*i] = l;
    }
  cmSystemTools::ExpandListArgument(ignoreExts, extensionList);
  for(std::vector<std::string>::iterator i = extensionList.begin();
      i != extensionList.end(); ++i)
    {
    this->IgnoreExtensions[*i] = true;
    }

}

bool cmGlobalGenerator::IgnoreFile(const char* l)
{
  if(this->GetLanguageFromExtension(l))
    {
    return false;
    }
  return (this->IgnoreExtensions.count(l) > 0);
}

bool cmGlobalGenerator::GetLanguageEnabled(const char* l)
{
  return (this->LanguageEnabled.count(l) > 0);
}

void cmGlobalGenerator::ClearEnabledLanguages()
{
  this->LanguageEnabled.clear();
}

bool cmGlobalGenerator::IsDependedOn(const char* project,
                                     cmTarget* targetIn)
{
  // Get all local gens for this project
  std::vector<cmLocalGenerator*>* gens = &this->ProjectMap[project];
  // loop over local gens and get the targets for each one
  for(unsigned int i = 0; i < gens->size(); ++i)
    {
    cmTargets& targets = (*gens)[i]->GetMakefile()->GetTargets();
    for (cmTargets::iterator l = targets.begin();
         l != targets.end(); l++)
      {
      cmTarget& target = l->second;
      std::set<cmStdString>::const_iterator pos =
        target.GetUtilities().find(targetIn->GetName());
      if(pos != target.GetUtilities().end())
        {
        return true;
        }
      }
    }
  return false;
}

void cmGlobalGenerator::Configure()
{
  // Delete any existing cmLocalGenerators
  unsigned int i;
  for (i = 0; i < this->LocalGenerators.size(); ++i)
    {
    delete this->LocalGenerators[i];
    }
  this->LocalGenerators.clear();
  this->TargetDependencies.clear();
  this->TotalTargets.clear();
  this->ImportedTotalTargets.clear();
  this->ProjectToTargetMap.clear();
  this->ProjectMap.clear();

  // start with this directory
  cmLocalGenerator *lg = this->CreateLocalGenerator();
  this->LocalGenerators.push_back(lg);

  // set the Start directories
  lg->GetMakefile()->SetStartDirectory
    (this->CMakeInstance->GetStartDirectory());
  lg->GetMakefile()->SetStartOutputDirectory
    (this->CMakeInstance->GetStartOutputDirectory());
  lg->GetMakefile()->MakeStartDirectoriesCurrent();

  // now do it
  lg->Configure();

  // update the cache entry for the number of local generators, this is used
  // for progress
  char num[100];
  sprintf(num,"%d",static_cast<int>(this->LocalGenerators.size()));
  this->GetCMakeInstance()->AddCacheEntry
    ("CMAKE_NUMBER_OF_LOCAL_GENERATORS", num,
     "number of local generators", cmCacheManager::INTERNAL);

  std::set<cmStdString> notFoundMap;
  // after it is all done do a ConfigureFinalPass
  cmCacheManager* manager = 0;
  for (i = 0; i < this->LocalGenerators.size(); ++i)
    {
    manager = this->LocalGenerators[i]->GetMakefile()->GetCacheManager();
    this->LocalGenerators[i]->ConfigureFinalPass();
    cmTargets & targets =
      this->LocalGenerators[i]->GetMakefile()->GetTargets();
    for (cmTargets::iterator l = targets.begin();
         l != targets.end(); l++)
      {
      cmTarget::LinkLibraryVectorType libs = l->second.GetLinkLibraries();
      for(cmTarget::LinkLibraryVectorType::iterator lib = libs.begin();
          lib != libs.end(); ++lib)
        {
        if(lib->first.size() > 9 &&
           cmSystemTools::IsNOTFOUND(lib->first.c_str()))
          {
          std::string varName = lib->first.substr(0, lib->first.size()-9);
          notFoundMap.insert(varName);
          }
        }
      std::vector<std::string>& incs =
        this->LocalGenerators[i]->GetMakefile()->GetIncludeDirectories();

      for( std::vector<std::string>::iterator lib = incs.begin();
           lib != incs.end(); ++lib)
        {
        if(lib->size() > 9 &&
           cmSystemTools::IsNOTFOUND(lib->c_str()))
          {
          std::string varName = lib->substr(0, lib->size()-9);
          notFoundMap.insert(varName);
          }
        }
      this->CMakeInstance->UpdateProgress
        ("Configuring", 0.9f+0.1f*(i+1.0f)/this->LocalGenerators.size());
      this->LocalGenerators[i]->GetMakefile()->CheckInfiniteLoops();
      }
    }

  if(notFoundMap.size())
    {
    std::string notFoundVars;
    for(std::set<cmStdString>::iterator ii = notFoundMap.begin();
        ii != notFoundMap.end(); ++ii)
      {
      notFoundVars += *ii;
      if(manager)
        {
        cmCacheManager::CacheIterator it =
          manager->GetCacheIterator(ii->c_str());
        if(it.GetPropertyAsBool("ADVANCED"))
          {
          notFoundVars += " (ADVANCED)";
          }
        }
      notFoundVars += "\n";
      }
    cmSystemTools::Error("This project requires some variables to be set,\n"
                         "and cmake can not find them.\n"
                         "Please set the following variables:\n",
                         notFoundVars.c_str());
    }
  // at this point this->LocalGenerators has been filled,
  // so create the map from project name to vector of local generators
    this->FillProjectMap();
  // now create project to target map
  // This will make sure that targets have all the
  // targets they depend on as part of the build.
    this->FillProjectToTargetMap();

  if ( !this->CMakeInstance->GetScriptMode() )
    {
    this->CMakeInstance->UpdateProgress("Configuring done", -1);
    }
}

void cmGlobalGenerator::Generate()
{
  // For each existing cmLocalGenerator
  unsigned int i;

  // Consolidate global targets
  cmTargets globalTargets;
  this->CreateDefaultGlobalTargets(&globalTargets);
  for (i = 0; i < this->LocalGenerators.size(); ++i)
    {
    cmTargets* targets =
      &(this->LocalGenerators[i]->GetMakefile()->GetTargets());
    cmTargets::iterator tarIt;
    for ( tarIt = targets->begin(); tarIt != targets->end(); ++ tarIt )
      {
      if ( tarIt->second.GetType() == cmTarget::GLOBAL_TARGET )
        {
        globalTargets[tarIt->first] = tarIt->second;
        }
      }
    }
  for (i = 0; i < this->LocalGenerators.size(); ++i)
    {
    cmMakefile* mf = this->LocalGenerators[i]->GetMakefile();
    cmTargets* targets = &(mf->GetTargets());
    cmTargets::iterator tit;
    for ( tit = globalTargets.begin(); tit != globalTargets.end(); ++ tit )
      {
      (*targets)[tit->first] = tit->second;
      (*targets)[tit->first].SetMakefile(mf);
      }
    }

  // Add generator specific helper commands
  for (i = 0; i < this->LocalGenerators.size(); ++i)
    {
    this->LocalGenerators[i]->AddHelperCommands();
    }

  // Trace the dependencies, after that no custom commands should be added
  // because their dependencies might not be handled correctly
  for (i = 0; i < this->LocalGenerators.size(); ++i)
    {
    this->LocalGenerators[i]->TraceDependencies();
    }

  // Compute the manifest of main targets generated.
  for (i = 0; i < this->LocalGenerators.size(); ++i)
    {
    this->LocalGenerators[i]->GenerateTargetManifest(this->TargetManifest);
    }

  // Generate project files
  for (i = 0; i < this->LocalGenerators.size(); ++i)
    {
    this->LocalGenerators[i]->Generate();
    this->LocalGenerators[i]->GenerateInstallRules();
    this->LocalGenerators[i]->GenerateTestFiles();
    this->CMakeInstance->UpdateProgress("Generating",
                                    (i+1.0f)/this->LocalGenerators.size());
    }

  if (this->ExtraGenerator != 0)
    {
    this->ExtraGenerator->Generate();
    }

  this->CMakeInstance->UpdateProgress("Generating done", -1);
}

int cmGlobalGenerator::TryCompile(const char *srcdir, const char *bindir,
                                  const char *projectName,
                                  const char *target,
                                  std::string *output, cmMakefile *mf)
{
  std::string makeCommand = this->CMakeInstance->
    GetCacheManager()->GetCacheValue("CMAKE_MAKE_PROGRAM");
  if(makeCommand.size() == 0)
    {
    cmSystemTools::Error(
      "Generator cannot find the appropriate make command.");
    return 1;
    }

  std::string newTarget;
  if (target && strlen(target))
    {
    newTarget += target;
#if 0
#if defined(_WIN32) || defined(__CYGWIN__)
    std::string tmp = target;
    // if the target does not already end in . something
    // then assume .exe
    if(tmp.size() < 4 || tmp[tmp.size()-4] != '.')
      {
      newTarget += ".exe";
      }
#endif // WIN32
#endif
    }
  const char* config = mf->GetDefinition("CMAKE_TRY_COMPILE_CONFIGURATION");
  return this->Build(srcdir,bindir,projectName,
                     newTarget.c_str(),
                     output,makeCommand.c_str(),config,false,true,
                     this->TryCompileTimeout);
}

std::string cmGlobalGenerator
::GenerateBuildCommand(const char* makeProgram, const char *projectName,
                       const char* additionalOptions, const char *targetName,
                       const char* config, bool ignoreErrors, bool)
{
  // Project name and config are not used yet.
  (void)projectName;
  (void)config;

  std::string makeCommand =
    cmSystemTools::ConvertToUnixOutputPath(makeProgram);

  // Since we have full control over the invocation of nmake, let us
  // make it quiet.
  if ( strcmp(this->GetName(), "NMake Makefiles") == 0 )
    {
    makeCommand += " /NOLOGO ";
    }
  if ( ignoreErrors )
    {
    makeCommand += " -i";
    }
  if ( additionalOptions )
    {
    makeCommand += " ";
    makeCommand += additionalOptions;
    }
  if ( targetName )
    {
    makeCommand += " ";
    makeCommand += targetName;
    }
  return makeCommand;
}

int cmGlobalGenerator::Build(
  const char *, const char *bindir,
  const char *projectName, const char *target,
  std::string *output,
  const char *makeCommandCSTR,
  const char *config,
  bool clean, bool fast,
  double timeout)
{
  *output += "\nTesting TryCompileWithoutMakefile\n";

  /**
   * Run an executable command and put the stdout in output.
   */
  std::string cwd = cmSystemTools::GetCurrentWorkingDirectory();
  cmSystemTools::ChangeDirectory(bindir);

  int retVal;
  bool hideconsole = cmSystemTools::GetRunCommandHideConsole();
  cmSystemTools::SetRunCommandHideConsole(true);

  // should we do a clean first?
  if (clean)
    {
    std::string cleanCommand =
      this->GenerateBuildCommand(makeCommandCSTR, projectName,
      0, "clean", config, false, fast);
    if (!cmSystemTools::RunSingleCommand(cleanCommand.c_str(), output,
                                         &retVal, 0, false, timeout))
      {
      cmSystemTools::SetRunCommandHideConsole(hideconsole);
      cmSystemTools::Error("Generator: execution of make clean failed.");
      if (output)
        {
        *output += "\nGenerator: execution of make clean failed.\n";
        }

      // return to the original directory
      cmSystemTools::ChangeDirectory(cwd.c_str());
      return 1;
      }
    }

  // now build
  std::string makeCommand =
    this->GenerateBuildCommand(makeCommandCSTR, projectName,
                               0, target, config, false, fast);

  if (!cmSystemTools::RunSingleCommand(makeCommand.c_str(), output,
                                       &retVal, 0, false, timeout))
    {
    cmSystemTools::SetRunCommandHideConsole(hideconsole);
    cmSystemTools::Error
      ("Generator: execution of make failed. Make command was: ",
       makeCommand.c_str());
    if (output)
      {
      *output += "\nGenerator: execution of make failed. Make command was: "
        + makeCommand + "\n";
      }

    // return to the original directory
    cmSystemTools::ChangeDirectory(cwd.c_str());
    return 1;
    }

  cmSystemTools::SetRunCommandHideConsole(hideconsole);

  // The SGI MipsPro 7.3 compiler does not return an error code when
  // the source has a #error in it!  This is a work-around for such
  // compilers.
  if((retVal == 0) && (output->find("#error") != std::string::npos))
    {
    retVal = 1;
    }

  cmSystemTools::ChangeDirectory(cwd.c_str());
  return retVal;
}

void cmGlobalGenerator::AddLocalGenerator(cmLocalGenerator *lg)
{
  this->LocalGenerators.push_back(lg);

  // update progress
  // estimate how many lg there will be
  const char *numGenC =
    this->CMakeInstance->GetCacheManager()->GetCacheValue
    ("CMAKE_NUMBER_OF_LOCAL_GENERATORS");

  if (!numGenC)
    {
    return;
    }

  int numGen = atoi(numGenC);
  float prog = 0.9f*this->LocalGenerators.size()/numGen;
  if (prog > 0.9f)
    {
    prog = 0.9f;
    }
  this->CMakeInstance->UpdateProgress("Configuring", prog);
}

void cmGlobalGenerator::AddInstallComponent(const char* component)
{
  if(component && *component)
    {
    this->InstallComponents.insert(component);
    }
}

void cmGlobalGenerator::AddTargetToExports(const char* exportSetName, 
                                           cmTarget* target, 
                                           cmInstallTargetGenerator* archive,
                                           cmInstallTargetGenerator* runTime,
                                           cmInstallTargetGenerator* library)
{
  if ((exportSetName) && (*exportSetName) && (target))
    {
    cmTargetExport* te = new cmTargetExport(target, archive, runTime, library);
    this->ExportSets[exportSetName].push_back(te);
    }
}

const std::vector<cmTargetExport*>* cmGlobalGenerator::GetExportSet(
                                                        const char* name) const
{
  std::map<cmStdString, std::vector<cmTargetExport*> >::const_iterator 
                                     exportSetIt = this->ExportSets.find(name);
  if (exportSetIt != this->ExportSets.end())
    {
    return &exportSetIt->second;
    }

  return 0;
}


void cmGlobalGenerator::EnableInstallTarget()
{
  this->InstallTargetEnabled = true;
}

cmLocalGenerator *cmGlobalGenerator::CreateLocalGenerator()
{
  cmLocalGenerator *lg = new cmLocalGenerator;
  lg->SetGlobalGenerator(this);
  return lg;
}

void cmGlobalGenerator::EnableLanguagesFromGenerator(cmGlobalGenerator *gen )
{
  std::string cfp = gen->GetCMakeInstance()->GetHomeOutputDirectory();
  cfp += cmake::GetCMakeFilesDirectory();
  this->SetConfiguredFilesPath(cfp.c_str());
  const char* make =
    gen->GetCMakeInstance()->GetCacheDefinition("CMAKE_MAKE_PROGRAM");
  this->GetCMakeInstance()->AddCacheEntry("CMAKE_MAKE_PROGRAM", make,
                                          "make program",
                                          cmCacheManager::FILEPATH);
  // copy the enabled languages
  this->LanguageEnabled = gen->LanguageEnabled;
  this->ExtensionToLanguage = gen->ExtensionToLanguage;
  this->IgnoreExtensions = gen->IgnoreExtensions;
  this->LanguageToOutputExtension = gen->LanguageToOutputExtension;
  this->LanguageToLinkerPreference = gen->LanguageToLinkerPreference;
  this->OutputExtensions = gen->OutputExtensions;
}

//----------------------------------------------------------------------------
void cmGlobalGenerator::GetDocumentation(cmDocumentationEntry& entry) const
{
  entry.name = this->GetName();
  entry.brief = "";
  entry.full = "";
}

bool cmGlobalGenerator::IsExcluded(cmLocalGenerator* root,
                                   cmLocalGenerator* gen)
{
  if(gen == root)
    {
    return false;
    }
  cmLocalGenerator* cur = gen->GetParent();
  while(cur && cur != root)
    {
    if(cur->GetMakefile()->GetPropertyAsBool("EXCLUDE_FROM_ALL"))
      {
      return true;
      }
    cur = cur->GetParent();
    }
  return gen->GetMakefile()->GetPropertyAsBool("EXCLUDE_FROM_ALL");
}


void cmGlobalGenerator::GetEnabledLanguages(std::vector<std::string>& lang)
{
  for(std::map<cmStdString, bool>::iterator i =
        this->LanguageEnabled.begin(); i != this->LanguageEnabled.end(); ++i)
    {
    lang.push_back(i->first);
    }
}

const char* cmGlobalGenerator::GetLinkerPreference(const char* lang)
{
  if(this->LanguageToLinkerPreference.count(lang))
    {
    return this->LanguageToLinkerPreference[lang].c_str();
    }
  return "None";
}

void cmGlobalGenerator::FillProjectMap()
{
  this->ProjectMap.clear(); // make sure we start with a clean map
  unsigned int i;
  for(i = 0; i < this->LocalGenerators.size(); ++i)
    {
    // for each local generator add all projects
    cmLocalGenerator *lg = this->LocalGenerators[i];
    std::string name;
    do
      {
      if (name != lg->GetMakefile()->GetProjectName())
        {
        name = lg->GetMakefile()->GetProjectName();
        this->ProjectMap[name].push_back(this->LocalGenerators[i]);
        }
      lg = lg->GetParent();
      }
    while (lg);
    }
}


// Build a map that contains a the set of targets used by each project
void cmGlobalGenerator::FillProjectToTargetMap()
{
  // loop over each project in the build
  for(std::map<cmStdString,
        std::vector<cmLocalGenerator*> >::iterator m =
        this->ProjectMap.begin();
      m != this->ProjectMap.end(); ++m)
    {
    std::vector<cmLocalGenerator*>& lgs = m->second;
    if(lgs.size() == 0)
      {
      continue;
      }
    cmStdString const & projectName = m->first;
    cmMakefile* projectMakefile = lgs[0]->GetMakefile();
    // get the current EXCLUDE_FROM_ALL value from projectMakefile
    const char* exclude = 0;
    std::string excludeSave;
    bool chain = false;
    exclude =
      projectMakefile->GetProperties().
      GetPropertyValue("EXCLUDE_FROM_ALL",
                       cmProperty::DIRECTORY, chain);
    if(exclude)
      {
      excludeSave = exclude;
      }
    // Set EXCLUDE_FROM_ALL to FALSE for the top level makefile because
    // in the current project nothing is excluded yet
    projectMakefile->SetProperty("EXCLUDE_FROM_ALL", "FALSE");
    // now loop over all cmLocalGenerators in this project and pull
    // out all the targets that depend on each other, even if those
    // targets come from a target that is excluded.
    for(std::vector<cmLocalGenerator*>::iterator lg =
          lgs.begin(); lg != lgs.end(); ++lg)
      {
      cmMakefile* mf = (*lg)->GetMakefile();
      cmTargets& targets = mf->GetTargets();
      for(cmTargets::iterator t = targets.begin();
          t != targets.end(); ++t)
        {
        cmTarget& target = t->second;
        // if the target is in all then add it to the project
        if(!target.GetPropertyAsBool("EXCLUDE_FROM_ALL"))
          {
          // add this target to the project
          this->ProjectToTargetMap[projectName].insert(&target);
          // get the target's dependencies
          std::vector<cmTarget *>& tgtdeps = this->GetTargetDepends(target);
          this->ProjectToTargetMap[projectName].insert(tgtdeps.begin(),
                                                       tgtdeps.end());
          }
        }
      }
    // Now restore the EXCLUDE_FROM_ALL property on the project top
    // makefile
    if(exclude)
      {
      exclude = excludeSave.c_str();
      }
    projectMakefile->SetProperty("EXCLUDE_FROM_ALL", exclude);
    }
  // dump the map for debug purposes
  // right now this map is not being used, but it was
  // checked in to avoid constant conflicts.
  // It is also the first step to creating sub projects
  // that contain all of the targets they need.
#if 0
  std::map<cmStdString, std::set<cmTarget*> >::iterator i =
    this->ProjectToTargetMap.begin();
  for(; i != this->ProjectToTargetMap.end(); ++i)
    {
    std::cerr << i->first << "\n";
    std::set<cmTarget*>::iterator t = i->second.begin();
    for(; t != i->second.end(); ++t)
      {
      cmTarget* target = *t;
      std::cerr << "\t" << target->GetName() << "\n";
      }
    }
#endif
}


///! Find a local generator by its startdirectory
cmLocalGenerator* cmGlobalGenerator::FindLocalGenerator(const char* start_dir)
{
  std::vector<cmLocalGenerator*>* gens = &this->LocalGenerators;
  for(unsigned int i = 0; i < gens->size(); ++i)
    {
    std::string sd = (*gens)[i]->GetMakefile()->GetStartDirectory();
    if (sd == start_dir)
      {
      return (*gens)[i];
      }
    }
  return 0;
}


cmTarget* cmGlobalGenerator::FindTarget(const char* project,
                                        const char* name,
                                        bool useImportedTargets)
{
  // if project specific
  if(project)
    {
    std::vector<cmLocalGenerator*>* gens = &this->ProjectMap[project];
    for(unsigned int i = 0; i < gens->size(); ++i)
      {
      cmTarget* ret = (*gens)[i]->GetMakefile()->FindTarget(name,
                                                            useImportedTargets);
      if(ret)
        {
        return ret;
        }
      }
    }
  // if all projects/directories
  else
    {
    std::map<cmStdString,cmTarget *>::iterator i =
      this->TotalTargets.find ( name );
    if ( i != this->TotalTargets.end() )
      {
      return i->second;
      }

    if ( useImportedTargets )
      {
      std::map<cmStdString,cmTarget *>::iterator importedTarget =
        this->ImportedTotalTargets.find ( name );
      if ( importedTarget != this->ImportedTotalTargets.end() )
        {
        return importedTarget->second;
        }
      }
    }
  return 0;
}

inline std::string removeQuotes(const std::string& s)
{
  if(s[0] == '\"' && s[s.size()-1] == '\"')
    {
    return s.substr(1, s.size()-2);
    }
  return s;
}

void cmGlobalGenerator::SetCMakeInstance(cmake* cm)
{
  // Store a pointer to the cmake object instance.
  this->CMakeInstance = cm;
}

void cmGlobalGenerator::CreateDefaultGlobalTargets(cmTargets* targets)
{
  cmMakefile* mf = this->LocalGenerators[0]->GetMakefile();
  const char* cmakeCfgIntDir = this->GetCMakeCFGInitDirectory();
  const char* cmakeCommand = mf->GetRequiredDefinition("CMAKE_COMMAND");

  // CPack
  cmCustomCommandLines cpackCommandLines;
  std::vector<std::string> depends;
  cmCustomCommandLine singleLine;
  singleLine.push_back(this->GetCMakeInstance()->GetCPackCommand());
  if ( cmakeCfgIntDir && *cmakeCfgIntDir && cmakeCfgIntDir[0] != '.' )
    {
    singleLine.push_back("-C");
    singleLine.push_back(cmakeCfgIntDir);
    }
  singleLine.push_back("--config");
  std::string configFile = mf->GetStartOutputDirectory();;
  configFile += "/CPackConfig.cmake";
  singleLine.push_back(configFile);
  cpackCommandLines.push_back(singleLine);
  if ( this->GetPreinstallTargetName() )
    {
    depends.push_back("preinstall");
    }
  if(cmSystemTools::FileExists(configFile.c_str()))
    {
    (*targets)[this->GetPackageTargetName()]
      = this->CreateGlobalTarget(this->GetPackageTargetName(),
                                 "Run CPack packaging tool...",
                                 &cpackCommandLines, depends);
    }
  // CPack source
  const char* packageSourceTargetName = this->GetPackageSourceTargetName();
  if ( packageSourceTargetName )
    {
    cpackCommandLines.erase(cpackCommandLines.begin(),
                            cpackCommandLines.end());
    singleLine.erase(singleLine.begin(), singleLine.end());
    depends.erase(depends.begin(), depends.end());
    singleLine.push_back(this->GetCMakeInstance()->GetCPackCommand());
    singleLine.push_back("--config");
    configFile = mf->GetStartOutputDirectory();;
    configFile += "/CPackSourceConfig.cmake";
    if(cmSystemTools::FileExists(configFile.c_str()))
      {
      singleLine.push_back(configFile);
      cpackCommandLines.push_back(singleLine);
      (*targets)[packageSourceTargetName]
        = this->CreateGlobalTarget(packageSourceTargetName,
                                   "Run CPack packaging tool for source...",
                                   &cpackCommandLines, depends);
      }
    }

  // Test
  if(mf->IsOn("CMAKE_TESTING_ENABLED"))
    {
    cpackCommandLines.erase(cpackCommandLines.begin(),
                            cpackCommandLines.end());
    singleLine.erase(singleLine.begin(), singleLine.end());
    depends.erase(depends.begin(), depends.end());
    singleLine.push_back(this->GetCMakeInstance()->GetCTestCommand());
    singleLine.push_back("--force-new-ctest-process");
    if(cmakeCfgIntDir && *cmakeCfgIntDir && cmakeCfgIntDir[0] != '.')
      {
      singleLine.push_back("-C");
      singleLine.push_back(cmakeCfgIntDir);
      }
    else // TODO: This is a hack. Should be something to do with the generator
      {
      singleLine.push_back("$(ARGS)");
      }
    cpackCommandLines.push_back(singleLine);
    (*targets)[this->GetTestTargetName()]
      = this->CreateGlobalTarget(this->GetTestTargetName(),
        "Running tests...", &cpackCommandLines, depends);
    }

  //Edit Cache
  const char* editCacheTargetName = this->GetEditCacheTargetName();
  if ( editCacheTargetName )
    {
    cpackCommandLines.erase(cpackCommandLines.begin(),
                            cpackCommandLines.end());
    singleLine.erase(singleLine.begin(), singleLine.end());
    depends.erase(depends.begin(), depends.end());

    // Use CMAKE_EDIT_COMMAND for the edit_cache rule if it is defined.
    // Otherwise default to the interactive command-line interface.
    if(mf->GetDefinition("CMAKE_EDIT_COMMAND"))
      {
      singleLine.push_back(mf->GetDefinition("CMAKE_EDIT_COMMAND"));
      singleLine.push_back("-H$(CMAKE_SOURCE_DIR)");
      singleLine.push_back("-B$(CMAKE_BINARY_DIR)");
      cpackCommandLines.push_back(singleLine);
      (*targets)[editCacheTargetName] =
        this->CreateGlobalTarget(
          editCacheTargetName, "Running CMake cache editor...",
          &cpackCommandLines, depends);
      }
    else
      {
      singleLine.push_back(cmakeCommand);
      singleLine.push_back("-i");
      singleLine.push_back(".");
      cpackCommandLines.push_back(singleLine);
      (*targets)[editCacheTargetName] =
        this->CreateGlobalTarget(
          editCacheTargetName,
          "Running interactive CMake command-line interface...",
          &cpackCommandLines, depends);
      }
    }

  //Rebuild Cache
  const char* rebuildCacheTargetName = this->GetRebuildCacheTargetName();
  if ( rebuildCacheTargetName )
    {
    cpackCommandLines.erase(cpackCommandLines.begin(),
                            cpackCommandLines.end());
    singleLine.erase(singleLine.begin(), singleLine.end());
    depends.erase(depends.begin(), depends.end());
    singleLine.push_back(cmakeCommand);
    singleLine.push_back("-H$(CMAKE_SOURCE_DIR)");
    singleLine.push_back("-B$(CMAKE_BINARY_DIR)");
    cpackCommandLines.push_back(singleLine);
    (*targets)[rebuildCacheTargetName] =
      this->CreateGlobalTarget(
        rebuildCacheTargetName, "Running CMake to regenerate build system...",
        &cpackCommandLines, depends);
    }

  //Install
  if(this->InstallTargetEnabled)
    {
    if(!cmakeCfgIntDir || !*cmakeCfgIntDir || cmakeCfgIntDir[0] == '.')
      {
      std::set<cmStdString>* componentsSet = &this->InstallComponents;
      cpackCommandLines.erase(cpackCommandLines.begin(),
        cpackCommandLines.end());
      depends.erase(depends.begin(), depends.end());
      cmOStringStream ostr;
      if ( componentsSet->size() > 0 )
        {
        ostr << "Available install components are:";
        std::set<cmStdString>::iterator it;
        for (
          it = componentsSet->begin();
          it != componentsSet->end();
          ++ it )
          {
          ostr << " \"" << it->c_str() << "\"";
          }
        }
      else
        {
        ostr << "Only default component available";
        }
      singleLine.push_back(ostr.str().c_str());
      (*targets)["list_install_components"]
        = this->CreateGlobalTarget("list_install_components",
          ostr.str().c_str(),
          &cpackCommandLines, depends);
      }
    std::string cmd;
    cpackCommandLines.erase(cpackCommandLines.begin(),
      cpackCommandLines.end());
    singleLine.erase(singleLine.begin(), singleLine.end());
    depends.erase(depends.begin(), depends.end());
    if ( this->GetPreinstallTargetName() )
      {
      depends.push_back(this->GetPreinstallTargetName());
      }
    else
      {
      const char* noall =
        mf->GetDefinition("CMAKE_SKIP_INSTALL_ALL_DEPENDENCY");
      if(!noall || cmSystemTools::IsOff(noall))
        {
        depends.push_back(this->GetAllTargetName());
        }
      }
    if(mf->GetDefinition("CMake_BINARY_DIR"))
      {
      // We are building CMake itself.  We cannot use the original
      // executable to install over itself.
      cmd = mf->GetDefinition("EXECUTABLE_OUTPUT_PATH");
      if(cmakeCfgIntDir && *cmakeCfgIntDir && cmakeCfgIntDir[0] != '.')
        {
        cmd += "/";
        cmd += cmakeCfgIntDir;
        }
      cmd += "/cmake";
      }
    else
      {
      cmd = cmakeCommand;
      }
    singleLine.push_back(cmd.c_str());
    if ( cmakeCfgIntDir && *cmakeCfgIntDir && cmakeCfgIntDir[0] != '.' )
      {
      std::string cfgArg = "-DBUILD_TYPE=";
      cfgArg += mf->GetDefinition("CMAKE_CFG_INTDIR");
      singleLine.push_back(cfgArg);
      }
    singleLine.push_back("-P");
    singleLine.push_back("cmake_install.cmake");
    cpackCommandLines.push_back(singleLine);
    (*targets)[this->GetInstallTargetName()] =
      this->CreateGlobalTarget(
        this->GetInstallTargetName(), "Install the project...",
        &cpackCommandLines, depends);

    // install_local
    if(const char* install_local = this->GetInstallLocalTargetName())
      {
      cmCustomCommandLine localCmdLine = singleLine;

      localCmdLine.insert(localCmdLine.begin()+1, "-DCMAKE_INSTALL_LOCAL_ONLY=1");
      cpackCommandLines.erase(cpackCommandLines.begin(),
        cpackCommandLines.end());
      cpackCommandLines.push_back(localCmdLine);

      (*targets)[install_local] =
        this->CreateGlobalTarget(
          install_local, "Installing only the local directory...",
          &cpackCommandLines, depends);
      }

    // install_strip
    const char* install_strip = this->GetInstallStripTargetName();
    if((install_strip !=0) && (mf->IsSet("CMAKE_STRIP")))
      {
      cmCustomCommandLine stripCmdLine = singleLine;

      stripCmdLine.insert(stripCmdLine.begin()+1,"-DCMAKE_INSTALL_DO_STRIP=1");
      cpackCommandLines.erase(cpackCommandLines.begin(),
        cpackCommandLines.end());
      cpackCommandLines.push_back(stripCmdLine);

      (*targets)[install_strip] =
        this->CreateGlobalTarget(
          install_strip, "Installing the project stripped...",
          &cpackCommandLines, depends);
      }
    }
}

cmTarget cmGlobalGenerator::CreateGlobalTarget(
  const char* name, const char* message,
  const cmCustomCommandLines* commandLines,
  std::vector<std::string> depends,
  bool depends_on_all /* = false */)
{
  // Package
  cmTarget target;
  target.GetProperties().SetCMakeInstance(this->CMakeInstance);
  target.SetType(cmTarget::GLOBAL_TARGET, name);
  target.SetProperty("EXCLUDE_FROM_ALL","TRUE");

  std::vector<std::string> no_outputs;
  std::vector<std::string> no_depends;
  // Store the custom command in the target.
  cmCustomCommand cc(no_outputs, no_depends, *commandLines, 0, 0);
  target.GetPostBuildCommands().push_back(cc);
  target.SetProperty("EchoString", message);
  if ( depends_on_all )
    {
    target.AddUtility("all");
    }
  std::vector<std::string>::iterator dit;
  for ( dit = depends.begin(); dit != depends.end(); ++ dit )
    {
    target.AddUtility(dit->c_str());
    }
  return target;
}

//----------------------------------------------------------------------------
void cmGlobalGenerator::AppendDirectoryForConfig(const char*, const char*,
                                                 const char*, std::string&)
{
  // Subclasses that support multiple configurations should implement
  // this method to append the subdirectory for the given build
  // configuration.
}

//----------------------------------------------------------------------------
void cmGlobalGenerator::CheckMultipleOutputs(cmMakefile*, bool)
{
  // Only certain generators need this check.  They define this
  // method.
}

//----------------------------------------------------------------------------
std::vector<cmTarget *>& cmGlobalGenerator
::GetTargetDepends(cmTarget& target)
{
  // if the depends are already in the map then return
  std::map<cmStdString, std::vector<cmTarget *> >::iterator tgtI =
    this->TargetDependencies.find(target.GetName());
  if (tgtI != this->TargetDependencies.end())
    {
    return tgtI->second;
    }

  // A target should not depend on itself.
  std::set<cmStdString> emitted;
  emitted.insert(target.GetName());

  // the vector of results
  std::vector<cmTarget *>& result =
    this->TargetDependencies[target.GetName()];

  // Loop over all library dependencies but not for static libs
  if (target.GetType() != cmTarget::STATIC_LIBRARY)
    {
    const cmTarget::LinkLibraryVectorType& tlibs = target.GetLinkLibraries();
    for(cmTarget::LinkLibraryVectorType::const_iterator lib = tlibs.begin();
        lib != tlibs.end(); ++lib)
      {
      // Don't emit the same library twice for this target.
      if(emitted.insert(lib->first).second)
        {
        cmTarget *target2 =
          target.GetMakefile()->FindTarget(lib->first.c_str(), false);

        // search each local generator until a match is found
        if (!target2)
          {
          target2 = this->FindTarget(0,lib->first.c_str(), false);
          }

        // if a match was found then ...
        if (target2)
          {
          // Add this dependency.
          result.push_back(target2);
          }
        }
      }
    }

  // Loop over all utility dependencies.
  const std::set<cmStdString>& tutils = target.GetUtilities();
  for(std::set<cmStdString>::const_iterator util = tutils.begin();
      util != tutils.end(); ++util)
    {
    // Don't emit the same utility twice for this target.
    if(emitted.insert(*util).second)
      {
      cmTarget *target2 = target.GetMakefile()->FindTarget(util->c_str(), false);

      // search each local generator until a match is found
      if (!target2)
        {
        target2 = this->FindTarget(0,util->c_str(), false);
        }

      // if a match was found then ...
      if (target2)
        {
        // Add this dependency.
        result.push_back(target2);
        }
      }
    }
  return result;
}

void cmGlobalGenerator::AddTarget(cmTargets::value_type &v)
{
  if (v.second.IsImported())
    {
    this->ImportedTotalTargets[v.first] = &v.second;
    }
  else
    {
    this->TotalTargets[v.first] = &v.second;
    }
}

void cmGlobalGenerator::SetExternalMakefileProjectGenerator(
                            cmExternalMakefileProjectGenerator *extraGenerator)
{
  this->ExtraGenerator = extraGenerator;
  if (this->ExtraGenerator!=0)
    {
    this->ExtraGenerator->SetGlobalGenerator(this);
    }
}

const char* cmGlobalGenerator::GetExtraGeneratorName() const
{
  return this->ExtraGenerator==0 ? 0 : this->ExtraGenerator->GetName();
}