449 lines
14 KiB
C++
449 lines
14 KiB
C++
/*=========================================================================
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Program: Insight Segmentation & Registration Toolkit
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Module: $RCSfile$
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Language: C++
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Date: $Date$
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Version: $Revision$
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Copyright (c) 2002 Insight Consortium. All rights reserved.
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See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notices for more information.
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=========================================================================*/
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#include "cmake.h"
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#include "cmCacheManager.h"
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// include the generator
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#if defined(_WIN32) && !defined(__CYGWIN__)
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#include "cmMSProjectGenerator.h"
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#include "cmBorlandMakefileGenerator.h"
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#include "cmNMakeMakefileGenerator.h"
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#else
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#include "cmUnixMakefileGenerator.h"
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#endif
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cmake::cmake()
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{
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m_Verbose = false;
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#if defined(_WIN32) && !defined(__CYGWIN__)
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cmMakefileGenerator::RegisterGenerator(new cmMSProjectGenerator);
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cmMakefileGenerator::RegisterGenerator(new cmNMakeMakefileGenerator);
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cmMakefileGenerator::RegisterGenerator(new cmBorlandMakefileGenerator);
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#else
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cmMakefileGenerator::RegisterGenerator(new cmUnixMakefileGenerator);
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#endif
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}
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void cmake::Usage(const char* program)
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{
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std::cerr << "cmake version " << cmMakefile::GetMajorVersion()
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<< "." << cmMakefile::GetMinorVersion() << " - "
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<< cmMakefile::GetReleaseVersion() << "\n";
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std::cerr << "Usage: " << program << " [srcdir] [options]\n"
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<< "Where cmake is run from the directory where you want the object files written. If srcdir is not specified, the current directory is used for both source and object files.\n";
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std::cerr << "Options are:\n";
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std::cerr << "\n-i (puts cmake in wizard mode, not available for ccmake)\n";
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std::cerr << "\n-DVAR:TYPE=VALUE (create a cache file entry)\n";
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std::cerr << "\n-Cpath_to_initial_cache (a cmake list file that is used to pre-load the cache with values.)\n";
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std::cerr << "\n[-GgeneratorName] (where generator name can be one of these: ";
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std::vector<std::string> names;
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cmMakefileGenerator::GetRegisteredGenerators(names);
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for(std::vector<std::string>::iterator i =names.begin();
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i != names.end(); ++i)
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{
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std::cerr << "\"" << i->c_str() << "\" ";
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}
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std::cerr << ")\n";
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}
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// Parse the args
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void cmake::SetCacheArgs(cmMakefile& builder,
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const std::vector<std::string>& args)
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{
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for(unsigned int i=1; i < args.size(); ++i)
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{
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std::string arg = args[i];
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if(arg.find("-D",0) == 0)
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{
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std::string entry = arg.substr(2);
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std::string var, value;
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cmCacheManager::CacheEntryType type;
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if(cmCacheManager::ParseEntry(entry.c_str(), var, value, type))
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{
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cmCacheManager::GetInstance()->AddCacheEntry(
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var.c_str(),
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value.c_str(),
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"No help, variable specified on the command line.",
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type);
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}
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else
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{
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std::cerr << "Parse error in command line argument: " << arg << "\n"
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<< "Should be: VAR:type=value\n";
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}
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}
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else if(arg.find("-C",0) == 0)
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{
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std::string path = arg.substr(2);
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std::cerr << "loading initial cache file " << path.c_str() << "\n";
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if(!builder.ReadListFile(path.c_str()))
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{
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std::cerr << "Error in reading cmake initial cache file:"
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<< path.c_str() << "\n";
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}
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}
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}
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}
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// Parse the args
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void cmake::SetArgs(cmMakefile& builder, const std::vector<std::string>& args)
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{
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m_Local = false;
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bool directoriesSet = false;
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// watch for cmake and cmake srcdir invocations
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if (args.size() <= 2)
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{
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directoriesSet = true;
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builder.SetHomeOutputDirectory
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(cmSystemTools::GetCurrentWorkingDirectory().c_str());
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builder.SetStartOutputDirectory
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(cmSystemTools::GetCurrentWorkingDirectory().c_str());
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if (args.size() == 2)
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{
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builder.SetHomeDirectory
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(cmSystemTools::CollapseFullPath(args[1].c_str()).c_str());
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builder.SetStartDirectory
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(cmSystemTools::CollapseFullPath(args[1].c_str()).c_str());
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}
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else
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{
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builder.SetHomeDirectory
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(cmSystemTools::GetCurrentWorkingDirectory().c_str());
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builder.SetStartDirectory
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(cmSystemTools::GetCurrentWorkingDirectory().c_str());
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}
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}
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for(unsigned int i=1; i < args.size(); ++i)
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{
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std::string arg = args[i];
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if(arg.find("-H",0) == 0)
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{
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directoriesSet = true;
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std::string path = arg.substr(2);
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builder.SetHomeDirectory(path.c_str());
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}
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else if(arg.find("-S",0) == 0)
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{
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directoriesSet = true;
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m_Local = true;
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std::string path = arg.substr(2);
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builder.SetStartDirectory(path.c_str());
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}
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else if(arg.find("-O",0) == 0)
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{
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directoriesSet = true;
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std::string path = arg.substr(2);
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builder.SetStartOutputDirectory(path.c_str());
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}
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else if(arg.find("-B",0) == 0)
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{
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directoriesSet = true;
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std::string path = arg.substr(2);
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builder.SetHomeOutputDirectory(path.c_str());
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}
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else if(arg.find("-V",0) == 0)
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{
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m_Verbose = true;
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}
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else if(arg.find("-D",0) == 0)
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{
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// skip for now
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}
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else if(arg.find("-C",0) == 0)
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{
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// skip for now
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}
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else if(arg.find("-G",0) == 0)
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{
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std::string value = arg.substr(2);
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cmMakefileGenerator* gen =
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cmMakefileGenerator::CreateGenerator(value.c_str());
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if(!gen)
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{
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cmSystemTools::Error("Could not create named generator ",
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value.c_str());
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}
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else
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{
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builder.SetMakefileGenerator(gen);
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}
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}
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// no option assume it is the path to the source
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else
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{
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directoriesSet = true;
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builder.SetHomeOutputDirectory
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(cmSystemTools::GetCurrentWorkingDirectory().c_str());
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builder.SetStartOutputDirectory
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(cmSystemTools::GetCurrentWorkingDirectory().c_str());
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builder.SetHomeDirectory
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(cmSystemTools::CollapseFullPath(arg.c_str()).c_str());
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builder.SetStartDirectory
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(cmSystemTools::CollapseFullPath(arg.c_str()).c_str());
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}
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}
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if(!directoriesSet)
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{
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builder.SetHomeOutputDirectory
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(cmSystemTools::GetCurrentWorkingDirectory().c_str());
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builder.SetStartOutputDirectory
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(cmSystemTools::GetCurrentWorkingDirectory().c_str());
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builder.SetHomeDirectory
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(cmSystemTools::GetCurrentWorkingDirectory().c_str());
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builder.SetStartDirectory
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(cmSystemTools::GetCurrentWorkingDirectory().c_str());
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}
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if (!m_Local)
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{
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builder.SetStartDirectory(builder.GetHomeDirectory());
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builder.SetStartOutputDirectory(builder.GetHomeOutputDirectory());
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}
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}
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// at the end of this CMAKE_ROOT and CMAKE_COMMAND should be added to the cache
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void cmake::AddCMakePaths(const std::vector<std::string>& args)
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{
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// Find our own executable.
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std::string cMakeSelf = args[0];
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cmSystemTools::ConvertToUnixSlashes(cMakeSelf);
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cMakeSelf = cmSystemTools::FindProgram(cMakeSelf.c_str());
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if(!cmSystemTools::FileExists(cMakeSelf.c_str()))
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{
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#ifdef CMAKE_BUILD_DIR
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cMakeSelf = CMAKE_BUILD_DIR;
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cMakeSelf += "/Source/cmake";
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#endif
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}
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#ifdef CMAKE_PREFIX
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if(!cmSystemTools::FileExists(cMakeSelf.c_str()))
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{
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cMakeSelf = CMAKE_PREFIX "/bin/cmake";
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}
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#endif
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if(!cmSystemTools::FileExists(cMakeSelf.c_str()))
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{
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cmSystemTools::Error("CMAKE can not find the command line program cmake. "
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"Attempted path: ", cMakeSelf.c_str());
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return;
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}
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// Save the value in the cache
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cmCacheManager::GetInstance()->AddCacheEntry
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("CMAKE_COMMAND",
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cmSystemTools::EscapeSpaces(cMakeSelf.c_str()).c_str(),
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"Path to CMake executable.",
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cmCacheManager::INTERNAL);
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// do CMAKE_ROOT, look for the environment variable first
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std::string cMakeRoot;
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std::string modules;
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if (getenv("CMAKE_ROOT"))
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{
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cMakeRoot = getenv("CMAKE_ROOT");
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modules = cMakeRoot + "/Modules/FindVTK.cmake";
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}
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if(!cmSystemTools::FileExists(modules.c_str()))
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{
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// next try exe/..
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cMakeRoot = cmSystemTools::GetProgramPath(cMakeSelf.c_str());
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std::string::size_type slashPos = cMakeRoot.rfind("/");
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if(slashPos != std::string::npos)
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{
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cMakeRoot = cMakeRoot.substr(0, slashPos);
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}
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// is there no Modules direcory there?
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modules = cMakeRoot + "/Modules/FindVTK.cmake";
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}
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if (!cmSystemTools::FileExists(modules.c_str()))
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{
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// try exe/../share/cmake
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cMakeRoot += "/share/CMake";
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modules = cMakeRoot + "/Modules/FindVTK.cmake";
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}
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#ifdef CMAKE_ROOT_DIR
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if (!cmSystemTools::FileExists(modules.c_str()))
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{
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// try compiled in root directory
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cMakeRoot = CMAKE_ROOT_DIR;
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modules = cMakeRoot + "/Modules/FindVTK.cmake";
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}
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#endif
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#ifdef CMAKE_PREFIX
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if (!cmSystemTools::FileExists(modules.c_str()))
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{
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// try compiled in install prefix
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cMakeRoot = CMAKE_PREFIX "/share/CMake";
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modules = cMakeRoot + "/Modules/FindVTK.cmake";
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}
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#endif
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if (!cmSystemTools::FileExists(modules.c_str()))
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{
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// try
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cMakeRoot = cmSystemTools::GetProgramPath(cMakeSelf.c_str());
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cMakeRoot += "/share/CMake";
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modules = cMakeRoot + "/Modules/FindVTK.cmake";
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}
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if (!cmSystemTools::FileExists(modules.c_str()))
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{
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// couldn't find modules
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cmSystemTools::Error("Could not find CMAKE_ROOT !!!\n",
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"Modules directory not in directory:\n",
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modules.c_str());
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return;
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}
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cmCacheManager::GetInstance()->AddCacheEntry
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("CMAKE_ROOT", cMakeRoot.c_str(),
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"Path to CMake installation.", cmCacheManager::INTERNAL);
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}
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int cmake::Generate(const std::vector<std::string>& args, bool buildMakefiles)
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{
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if(args.size() == 1 && !cmSystemTools::FileExists("CMakeLists.txt"))
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{
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this->Usage(args[0].c_str());
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return -1;
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}
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// look for obvious request for help
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for(unsigned int i=1; i < args.size(); ++i)
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{
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std::string arg = args[i];
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if(arg.find("-help",0) != std::string::npos ||
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arg.find("--help",0) != std::string::npos ||
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arg.find("/?",0) != std::string::npos ||
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arg.find("-usage",0) != std::string::npos)
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{
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this->Usage(args[0].c_str());
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return -1;
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}
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}
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// Create a makefile
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cmMakefile mf;
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// extract the directory arguments, could create a Generator
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this->SetArgs(mf, args);
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// Read and parse the input makefile
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mf.MakeStartDirectoriesCurrent();
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cmCacheManager::GetInstance()->LoadCache(&mf);
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// extract command line arguments that might add cache entries
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this->SetCacheArgs(mf, args);
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// no generator specified on the command line
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if(!mf.GetMakefileGenerator())
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{
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cmMakefileGenerator* gen;
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const char* genName = mf.GetDefinition("CMAKE_GENERATOR");
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if(genName)
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{
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gen = cmMakefileGenerator::CreateGenerator(genName);
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}
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else
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{
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#if defined(__BORLANDC__)
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gen = new cmBorlandMakefileGenerator;
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#elif defined(_WIN32) && !defined(__CYGWIN__)
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gen = new cmMSProjectGenerator;
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#else
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gen = new cmUnixMakefileGenerator;
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#endif
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}
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if(!gen)
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{
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cmSystemTools::Error("Could not create generator");
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return -1;
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}
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mf.SetMakefileGenerator(gen);
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// add the
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}
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cmMakefileGenerator* gen = mf.GetMakefileGenerator();
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gen->SetLocal(m_Local);
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if(!mf.GetDefinition("CMAKE_GENERATOR"))
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{
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mf.AddCacheDefinition("CMAKE_GENERATOR",
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gen->GetName(),
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"Name of generator.",
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cmCacheManager::INTERNAL);
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}
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// setup CMAKE_ROOT and CMAKE_COMMAND
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this->AddCMakePaths(args);
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// compute system info
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gen->ComputeSystemInfo();
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// Transfer the cache into the makefile's definitions.
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cmCacheManager::GetInstance()->DefineCache(&mf);
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std::string lf = mf.GetStartDirectory();
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lf += "/CMakeLists.txt";
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if(!mf.ReadListFile(lf.c_str()))
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{
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this->Usage(args[0].c_str());
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return -1;
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}
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// if buildMakefiles, then call GenerateMakefile
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if(buildMakefiles)
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{
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mf.GenerateMakefile();
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}
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else // do not build, but let the commands finalize
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{
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std::vector<cmMakefile*> makefiles;
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mf.FindSubDirectoryCMakeListsFiles(makefiles);
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for(std::vector<cmMakefile*>::iterator i = makefiles.begin();
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i != makefiles.end(); ++i)
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{
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cmMakefile* mf = *i;
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mf->FinalPass();
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delete mf;
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}
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mf.FinalPass();
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}
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// Before saving the cache
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// if the project did not define one of the entries below, add them now
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// so users can edit the values in the cache:
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// LIBRARY_OUTPUT_PATH
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// EXECUTABLE_OUTPUT_PATH
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if(!cmCacheManager::GetInstance()->GetCacheValue("LIBRARY_OUTPUT_PATH"))
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{
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cmCacheManager::GetInstance()->AddCacheEntry("LIBRARY_OUTPUT_PATH", "",
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"Single output directory for building all libraries.",
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cmCacheManager::PATH);
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}
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if(!cmCacheManager::GetInstance()->GetCacheValue("EXECUTABLE_OUTPUT_PATH"))
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{
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cmCacheManager::GetInstance()->AddCacheEntry("EXECUTABLE_OUTPUT_PATH", "",
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"Single output directory for building all executables.",
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cmCacheManager::PATH);
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}
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cmCacheManager::GetInstance()->SaveCache(&mf);
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if(m_Verbose)
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{
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cmCacheManager::GetInstance()->PrintCache(std::cout);
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}
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if(cmSystemTools::GetErrorOccuredFlag())
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{
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return -1;
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}
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return 0;
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}
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