Source/cmFindBase.cxx - third_party/cmake - Git at Google

 /*============================================================================
   CMake - Cross Platform Makefile Generator
   Copyright 2000-2009 Kitware, Inc., Insight Software Consortium

   Distributed under the OSI-approved BSD License (the "License");
   see accompanying file Copyright.txt for details.

   This software is distributed WITHOUT ANY WARRANTY; without even the
   implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
   See the License for more information.
 ============================================================================*/
 #include "cmFindBase.h"

 cmFindBase::cmFindBase()
 {
   this->AlreadyInCache = false;
   this->AlreadyInCacheWithoutMetaInfo = false;
   this->NamesPerDir = false;
   this->NamesPerDirAllowed = false;
 }

 //----------------------------------------------------------------------------
 bool cmFindBase::ParseArguments(std::vector<std::string> const& argsIn)
 {
   if(argsIn.size() < 2 )
     {
     this->SetError("called with incorrect number of arguments");
     return false;
     }

   // copy argsIn into args so it can be modified,
   // in the process extract the DOC "documentation"
   size_t size = argsIn.size();
   std::vector<std::string> args;
   bool foundDoc = false;
   for(unsigned int j = 0; j < size; ++j)
     {
     if(foundDoc  || argsIn[j] != "DOC" )
       {
       if(argsIn[j] == "ENV")
         {
         if(j+1 < size)
           {
           j++;
           cmSystemTools::GetPath(args, argsIn[j].c_str());
           }
         }
       else
         {
         args.push_back(argsIn[j]);
         }
       }
     else
       {
       if(j+1 < size)
         {
         foundDoc = true;
         this->VariableDocumentation = argsIn[j+1];
         j++;
         if(j >= size)
           {
           break;
           }
         }
       }
     }
   if(args.size() < 2 )
     {
     this->SetError("called with incorrect number of arguments");
     return false;
     }
   this->VariableName = args[0];
   if(this->CheckForVariableInCache())
     {
     this->AlreadyInCache = true;
     return true;
     }
   this->AlreadyInCache = false;

   // Find the current root path mode.
   this->SelectDefaultRootPathMode();

   // Find the current bundle/framework search policy.
   this->SelectDefaultMacMode();

   bool newStyle = false;
   enum Doing { DoingNone, DoingNames, DoingPaths, DoingPathSuffixes,
                DoingHints };
   Doing doing = DoingNames; // assume it starts with a name
   for (unsigned int j = 1; j < args.size(); ++j)
     {
     if(args[j] == "NAMES")
       {
       doing = DoingNames;
       newStyle = true;
       }
     else if (args[j] == "PATHS")
       {
       doing = DoingPaths;
       newStyle = true;
       }
     else if (args[j] == "HINTS")
       {
       doing = DoingHints;
       newStyle = true;
       }
     else if (args[j] == "PATH_SUFFIXES")
       {
       doing = DoingPathSuffixes;
       newStyle = true;
       }
     else if (args[j] == "NAMES_PER_DIR")
       {
       doing = DoingNone;
       if(this->NamesPerDirAllowed)
         {
         this->NamesPerDir = true;
         }
       else
         {
         this->SetError("does not support NAMES_PER_DIR");
         return false;
         }
       }
     else if (args[j] == "NO_SYSTEM_PATH")
       {
       doing = DoingNone;
       this->NoDefaultPath = true;
       }
     else if (this->CheckCommonArgument(args[j]))
       {
       doing = DoingNone;
       // Some common arguments were accidentally supported by CMake
       // 2.4 and 2.6.0 in the short-hand form of the command, so we
       // must support it even though it is not documented.
       }
     else if(doing == DoingNames)
       {
       this->Names.push_back(args[j]);
       }
     else if(doing == DoingPaths)
       {
       this->AddUserPath(args[j], this->UserPaths);
       }
     else if(doing == DoingHints)
       {
       this->AddUserPath(args[j], this->UserHints);
       }
     else if(doing == DoingPathSuffixes)
       {
       this->AddPathSuffix(args[j]);
       }
     }

   if(this->VariableDocumentation.size() == 0)
     {
     this->VariableDocumentation = "Where can ";
     if(this->Names.size() == 0)
       {
       this->VariableDocumentation += "the (unknown) library be found";
       }
     else if(this->Names.size() == 1)
       {
       this->VariableDocumentation += "the "
         + this->Names[0] + " library be found";
       }
     else
       {
       this->VariableDocumentation += "one of the " + this->Names[0];
       for (unsigned int j = 1; j < this->Names.size() - 1; ++j)
         {
         this->VariableDocumentation += ", " + this->Names[j];
         }
       this->VariableDocumentation += " or "
         + this->Names[this->Names.size() - 1] + " libraries be found";
       }
     }

   // look for old style
   // FIND_*(VAR name path1 path2 ...)
   if(!newStyle)
     {
     // All the short-hand arguments have been recorded as names.
     std::vector<std::string> shortArgs = this->Names;
     this->Names.clear(); // clear out any values in Names
     this->Names.push_back(shortArgs[0]);
     for(unsigned int j = 1; j < shortArgs.size(); ++j)
       {
       this->AddUserPath(shortArgs[j], this->UserPaths);
       }
     }
   this->ExpandPaths();

   // Filter out ignored paths from the prefix list
   std::set<std::string> ignored;
   this->GetIgnoredPaths(ignored);
   this->FilterPaths(this->SearchPaths, ignored);

   this->ComputeFinalPaths();

   return true;
 }

 void cmFindBase::ExpandPaths()
 {
   this->AddCMakeVariablePath();
   this->AddCMakeEnvironmentPath();
   this->AddUserHintsPath();
   this->AddSystemEnvironmentPath();
   this->AddCMakeSystemVariablePath();
   this->AddUserGuessPath();

   // Add suffixes and clean up paths.
   this->AddPathSuffixes();
 }

 //----------------------------------------------------------------------------
 void cmFindBase::AddPrefixPaths(std::vector<std::string> const& in_paths,
                                 PathType pathType)
 {
   // default for programs
   std::string subdir = "bin";

   if (this->CMakePathName == "INCLUDE")
     {
     subdir = "include";
     }
   else if (this->CMakePathName == "LIBRARY")
     {
     subdir = "lib";
     }
   else if (this->CMakePathName == "FRAMEWORK")
     {
     subdir = "";  // ? what to do for frameworks ?
     }

   for(std::vector<std::string>::const_iterator it = in_paths.begin();
       it != in_paths.end(); ++it)
     {
     std::string dir = it->c_str();
     if(!subdir.empty() && !dir.empty() && dir[dir.size()-1] != '/')
       {
       dir += "/";
       }
     if(subdir == "include" || subdir == "lib")
       {
       const char* arch =
         this->Makefile->GetDefinition("CMAKE_LIBRARY_ARCHITECTURE");
       if(arch && *arch)
         {
         this->AddPathInternal(dir+subdir+"/"+arch, pathType);
         }
       }
     std::string add = dir + subdir;
     if(add != "/")
       {
       this->AddPathInternal(add, pathType);
       }
     if (subdir == "bin")
       {
       this->AddPathInternal(dir+"sbin", pathType);
       }
     if(!subdir.empty() && *it != "/")
       {
       this->AddPathInternal(*it, pathType);
       }
     }
 }

 //----------------------------------------------------------------------------
 void cmFindBase::AddCMakePrefixPath(const char* variable)
 {
   // Get a path from a CMake variable.
   if(const char* varPath = this->Makefile->GetDefinition(variable))
     {
     std::vector<std::string> tmp;
     cmSystemTools::ExpandListArgument(varPath, tmp);
     this->AddPrefixPaths(tmp, CMakePath);
     }
 }

 //----------------------------------------------------------------------------
 void cmFindBase::AddEnvPrefixPath(const char* variable)
 {
   // Get a path from the environment.
   std::vector<std::string> tmp;
   cmSystemTools::GetPath(tmp, variable);
   this->AddPrefixPaths(tmp, EnvPath);
 }

 //----------------------------------------------------------------------------
 void cmFindBase::AddCMakeEnvironmentPath()
 {
   if(!this->NoCMakeEnvironmentPath && !this->NoDefaultPath)
     {
     // Add CMAKE_*_PATH environment variables
     std::string var = "CMAKE_";
     var += this->CMakePathName;
     var += "_PATH";
     this->AddEnvPrefixPath("CMAKE_PREFIX_PATH");
     this->AddEnvPath(var.c_str());

     if(this->CMakePathName == "PROGRAM")
       {
       this->AddEnvPath("CMAKE_APPBUNDLE_PATH");
       }
     else
       {
       this->AddEnvPath("CMAKE_FRAMEWORK_PATH");
       }
     }
 }

 //----------------------------------------------------------------------------
 void cmFindBase::AddCMakeVariablePath()
 {
   if(!this->NoCMakePath && !this->NoDefaultPath)
     {
     // Add CMake varibles of the same name as the previous environment
     // varibles CMAKE_*_PATH to be used most of the time with -D
     // command line options
     std::string var = "CMAKE_";
     var += this->CMakePathName;
     var += "_PATH";
     this->AddCMakePrefixPath("CMAKE_PREFIX_PATH");
     this->AddCMakePath(var.c_str());

     if(this->CMakePathName == "PROGRAM")
       {
       this->AddCMakePath("CMAKE_APPBUNDLE_PATH");
       }
     else
       {
       this->AddCMakePath("CMAKE_FRAMEWORK_PATH");
       }
     }
 }

 //----------------------------------------------------------------------------
 void cmFindBase::AddSystemEnvironmentPath()
 {
   if(!this->NoSystemEnvironmentPath && !this->NoDefaultPath)
     {
     // Add LIB or INCLUDE
     if(!this->EnvironmentPath.empty())
       {
       this->AddEnvPath(this->EnvironmentPath.c_str());
       }
     // Add PATH
     this->AddEnvPath(0);
     }
 }

 //----------------------------------------------------------------------------
 void cmFindBase::AddCMakeSystemVariablePath()
 {
   if(!this->NoCMakeSystemPath && !this->NoDefaultPath)
     {
     std::string var = "CMAKE_SYSTEM_";
     var += this->CMakePathName;
     var += "_PATH";
     this->AddCMakePrefixPath("CMAKE_SYSTEM_PREFIX_PATH");
     this->AddCMakePath(var.c_str());

     if(this->CMakePathName == "PROGRAM")
       {
       this->AddCMakePath("CMAKE_SYSTEM_APPBUNDLE_PATH");
       }
     else
       {
       this->AddCMakePath("CMAKE_SYSTEM_FRAMEWORK_PATH");
       }
     }
 }

 //----------------------------------------------------------------------------
 void cmFindBase::AddUserHintsPath()
 {
   this->AddPathsInternal(this->UserHints, CMakePath);
 }

 //----------------------------------------------------------------------------
 void cmFindBase::AddUserGuessPath()
 {
   this->AddPathsInternal(this->UserPaths, CMakePath);
 }

 //----------------------------------------------------------------------------
 void cmFindBase::AddPathSuffixes()
 {
   std::vector<std::string>& paths = this->SearchPaths;
   std::vector<std::string> finalPath = paths;
   std::vector<std::string>::iterator i;
   // clear the path
   paths.clear();
   // convert all paths to unix slashes and add search path suffixes
   // if there are any
   for(i = finalPath.begin();
       i != finalPath.end(); ++i)
     {
     cmSystemTools::ConvertToUnixSlashes(*i);
     // copy each finalPath combined with SearchPathSuffixes
     // to the SearchPaths ivar
     for(std::vector<std::string>::iterator j =
           this->SearchPathSuffixes.begin();
         j != this->SearchPathSuffixes.end(); ++j)
       {
       // if *i is only / then do not add a //
       // this will get incorrectly considered a network
       // path on windows and cause huge delays.
       std::string p = *i;
       if(p.size() && p[p.size()-1] != '/')
         {
         p += std::string("/");
         }
       p +=  *j;
       // add to all paths because the search path may be modified
       // later with lib being replaced for lib64 which may exist
       paths.push_back(p);
       }
     // now put the path without the path suffixes in the SearchPaths
     paths.push_back(*i);
     }
 }

 void cmFindBase::PrintFindStuff()
 {
   std::cerr << "SearchFrameworkLast: " << this->SearchFrameworkLast << "\n";
   std::cerr << "SearchFrameworkOnly: " << this->SearchFrameworkOnly << "\n";
   std::cerr << "SearchFrameworkFirst: " << this->SearchFrameworkFirst << "\n";
   std::cerr << "SearchAppBundleLast: " << this->SearchAppBundleLast << "\n";
   std::cerr << "SearchAppBundleOnly: " << this->SearchAppBundleOnly << "\n";
   std::cerr << "SearchAppBundleFirst: " << this->SearchAppBundleFirst << "\n";
   std::cerr << "VariableName " << this->VariableName << "\n";
   std::cerr << "VariableDocumentation "
             << this->VariableDocumentation << "\n";
   std::cerr << "NoDefaultPath " << this->NoDefaultPath << "\n";
   std::cerr << "NoCMakeEnvironmentPath "
             << this->NoCMakeEnvironmentPath << "\n";
   std::cerr << "NoCMakePath " << this->NoCMakePath << "\n";
   std::cerr << "NoSystemEnvironmentPath "
             << this->NoSystemEnvironmentPath << "\n";
   std::cerr << "NoCMakeSystemPath " << this->NoCMakeSystemPath << "\n";
   std::cerr << "EnvironmentPath " << this->EnvironmentPath << "\n";
   std::cerr << "CMakePathName " << this->CMakePathName << "\n";
   std::cerr << "Names  ";
   for(unsigned int i =0; i < this->Names.size(); ++i)
     {
     std::cerr << this->Names[i] << " ";
     }
   std::cerr << "\n";
   std::cerr << "\n";
   std::cerr << "SearchPathSuffixes  ";
   for(unsigned int i =0; i < this->SearchPathSuffixes.size(); ++i)
     {
     std::cerr << this->SearchPathSuffixes[i] << "\n";
     }
   std::cerr << "\n";
   std::cerr << "SearchPaths\n";
   for(unsigned int i =0; i < this->SearchPaths.size(); ++i)
     {
     std::cerr << "[" << this->SearchPaths[i] << "]\n";
     }
 }

 bool cmFindBase::CheckForVariableInCache()
 {
   if(const char* cacheValue =
      this->Makefile->GetDefinition(this->VariableName.c_str()))
     {
     cmCacheManager::CacheIterator it =
       this->Makefile->GetCacheManager()->
       GetCacheIterator(this->VariableName.c_str());
     bool found = !cmSystemTools::IsNOTFOUND(cacheValue);
     bool cached = !it.IsAtEnd();
     if(found)
       {
       // If the user specifies the entry on the command line without a
       // type we should add the type and docstring but keep the
       // original value.  Tell the subclass implementations to do
       // this.
       if(cached && it.GetType() == cmCacheManager::UNINITIALIZED)
         {
         this->AlreadyInCacheWithoutMetaInfo = true;
         }
       return true;
       }
     else if(cached)
       {
       const char* hs = it.GetProperty("HELPSTRING");
       this->VariableDocumentation = hs?hs:"(none)";
       }
     }
   return false;
 }
	/*============================================================================
	CMake - Cross Platform Makefile Generator
	Copyright 2000-2009 Kitware, Inc., Insight Software Consortium

	Distributed under the OSI-approved BSD License (the "License");
	see accompanying file Copyright.txt for details.

	This software is distributed WITHOUT ANY WARRANTY; without even the
	implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
	See the License for more information.
	============================================================================*/
	#include "cmFindBase.h"

	cmFindBase::cmFindBase()
	{
	this->AlreadyInCache = false;
	this->AlreadyInCacheWithoutMetaInfo = false;
	this->NamesPerDir = false;
	this->NamesPerDirAllowed = false;
	}

	//----------------------------------------------------------------------------
	bool cmFindBase::ParseArguments(std::vector<std::string> const& argsIn)
	{
	if(argsIn.size() < 2 )
	{
	this->SetError("called with incorrect number of arguments");
	return false;
	}

	// copy argsIn into args so it can be modified,
	// in the process extract the DOC "documentation"
	size_t size = argsIn.size();
	std::vector<std::string> args;
	bool foundDoc = false;
	for(unsigned int j = 0; j < size; ++j)
	{
	if(foundDoc \|\| argsIn[j] != "DOC" )
	{
	if(argsIn[j] == "ENV")
	{
	if(j+1 < size)
	{
	j++;
	cmSystemTools::GetPath(args, argsIn[j].c_str());
	}
	}
	else
	{
	args.push_back(argsIn[j]);
	}
	}
	else
	{
	if(j+1 < size)
	{
	foundDoc = true;
	this->VariableDocumentation = argsIn[j+1];
	j++;
	if(j >= size)
	{
	break;
	}
	}
	}
	}
	if(args.size() < 2 )
	{
	this->SetError("called with incorrect number of arguments");
	return false;
	}
	this->VariableName = args[0];
	if(this->CheckForVariableInCache())
	{
	this->AlreadyInCache = true;
	return true;
	}
	this->AlreadyInCache = false;

	// Find the current root path mode.
	this->SelectDefaultRootPathMode();

	// Find the current bundle/framework search policy.
	this->SelectDefaultMacMode();

	bool newStyle = false;
	enum Doing { DoingNone, DoingNames, DoingPaths, DoingPathSuffixes,
	DoingHints };
	Doing doing = DoingNames; // assume it starts with a name
	for (unsigned int j = 1; j < args.size(); ++j)
	{
	if(args[j] == "NAMES")
	{
	doing = DoingNames;
	newStyle = true;
	}
	else if (args[j] == "PATHS")
	{
	doing = DoingPaths;
	newStyle = true;
	}
	else if (args[j] == "HINTS")
	{
	doing = DoingHints;
	newStyle = true;
	}
	else if (args[j] == "PATH_SUFFIXES")
	{
	doing = DoingPathSuffixes;
	newStyle = true;
	}
	else if (args[j] == "NAMES_PER_DIR")
	{
	doing = DoingNone;
	if(this->NamesPerDirAllowed)
	{
	this->NamesPerDir = true;
	}
	else
	{
	this->SetError("does not support NAMES_PER_DIR");
	return false;
	}
	}
	else if (args[j] == "NO_SYSTEM_PATH")
	{
	doing = DoingNone;
	this->NoDefaultPath = true;
	}
	else if (this->CheckCommonArgument(args[j]))
	{
	doing = DoingNone;
	// Some common arguments were accidentally supported by CMake
	// 2.4 and 2.6.0 in the short-hand form of the command, so we
	// must support it even though it is not documented.
	}
	else if(doing == DoingNames)
	{
	this->Names.push_back(args[j]);
	}
	else if(doing == DoingPaths)
	{
	this->AddUserPath(args[j], this->UserPaths);
	}
	else if(doing == DoingHints)
	{
	this->AddUserPath(args[j], this->UserHints);
	}
	else if(doing == DoingPathSuffixes)
	{
	this->AddPathSuffix(args[j]);
	}
	}

	if(this->VariableDocumentation.size() == 0)
	{
	this->VariableDocumentation = "Where can ";
	if(this->Names.size() == 0)
	{
	this->VariableDocumentation += "the (unknown) library be found";
	}
	else if(this->Names.size() == 1)
	{
	this->VariableDocumentation += "the "
	+ this->Names[0] + " library be found";
	}
	else
	{
	this->VariableDocumentation += "one of the " + this->Names[0];
	for (unsigned int j = 1; j < this->Names.size() - 1; ++j)
	{
	this->VariableDocumentation += ", " + this->Names[j];
	}
	this->VariableDocumentation += " or "
	+ this->Names[this->Names.size() - 1] + " libraries be found";
	}
	}

	// look for old style
	// FIND_*(VAR name path1 path2 ...)
	if(!newStyle)
	{
	// All the short-hand arguments have been recorded as names.
	std::vector<std::string> shortArgs = this->Names;
	this->Names.clear(); // clear out any values in Names
	this->Names.push_back(shortArgs[0]);
	for(unsigned int j = 1; j < shortArgs.size(); ++j)
	{
	this->AddUserPath(shortArgs[j], this->UserPaths);
	}
	}
	this->ExpandPaths();

	// Filter out ignored paths from the prefix list
	std::set<std::string> ignored;
	this->GetIgnoredPaths(ignored);
	this->FilterPaths(this->SearchPaths, ignored);

	this->ComputeFinalPaths();

	return true;
	}

	void cmFindBase::ExpandPaths()
	{
	this->AddCMakeVariablePath();
	this->AddCMakeEnvironmentPath();
	this->AddUserHintsPath();
	this->AddSystemEnvironmentPath();
	this->AddCMakeSystemVariablePath();
	this->AddUserGuessPath();

	// Add suffixes and clean up paths.
	this->AddPathSuffixes();
	}

	//----------------------------------------------------------------------------
	void cmFindBase::AddPrefixPaths(std::vector<std::string> const& in_paths,
	PathType pathType)
	{
	// default for programs
	std::string subdir = "bin";

	if (this->CMakePathName == "INCLUDE")
	{
	subdir = "include";
	}
	else if (this->CMakePathName == "LIBRARY")
	{
	subdir = "lib";
	}
	else if (this->CMakePathName == "FRAMEWORK")
	{
	subdir = ""; // ? what to do for frameworks ?
	}

	for(std::vector<std::string>::const_iterator it = in_paths.begin();
	it != in_paths.end(); ++it)
	{
	std::string dir = it->c_str();
	if(!subdir.empty() && !dir.empty() && dir[dir.size()-1] != '/')
	{
	dir += "/";
	}
	if(subdir == "include" \|\| subdir == "lib")
	{
	const char* arch =
	this->Makefile->GetDefinition("CMAKE_LIBRARY_ARCHITECTURE");
	if(arch && *arch)
	{
	this->AddPathInternal(dir+subdir+"/"+arch, pathType);
	}
	}
	std::string add = dir + subdir;
	if(add != "/")
	{
	this->AddPathInternal(add, pathType);
	}
	if (subdir == "bin")
	{
	this->AddPathInternal(dir+"sbin", pathType);
	}
	if(!subdir.empty() && *it != "/")
	{
	this->AddPathInternal(*it, pathType);
	}
	}
	}

	//----------------------------------------------------------------------------
	void cmFindBase::AddCMakePrefixPath(const char* variable)
	{
	// Get a path from a CMake variable.
	if(const char* varPath = this->Makefile->GetDefinition(variable))
	{
	std::vector<std::string> tmp;
	cmSystemTools::ExpandListArgument(varPath, tmp);
	this->AddPrefixPaths(tmp, CMakePath);
	}
	}

	//----------------------------------------------------------------------------
	void cmFindBase::AddEnvPrefixPath(const char* variable)
	{
	// Get a path from the environment.
	std::vector<std::string> tmp;
	cmSystemTools::GetPath(tmp, variable);
	this->AddPrefixPaths(tmp, EnvPath);
	}

	//----------------------------------------------------------------------------
	void cmFindBase::AddCMakeEnvironmentPath()
	{
	if(!this->NoCMakeEnvironmentPath && !this->NoDefaultPath)
	{
	// Add CMAKE_*_PATH environment variables
	std::string var = "CMAKE_";
	var += this->CMakePathName;
	var += "_PATH";
	this->AddEnvPrefixPath("CMAKE_PREFIX_PATH");
	this->AddEnvPath(var.c_str());

	if(this->CMakePathName == "PROGRAM")
	{
	this->AddEnvPath("CMAKE_APPBUNDLE_PATH");
	}
	else
	{
	this->AddEnvPath("CMAKE_FRAMEWORK_PATH");
	}
	}
	}

	//----------------------------------------------------------------------------
	void cmFindBase::AddCMakeVariablePath()
	{
	if(!this->NoCMakePath && !this->NoDefaultPath)
	{
	// Add CMake varibles of the same name as the previous environment
	// varibles CMAKE_*_PATH to be used most of the time with -D
	// command line options
	std::string var = "CMAKE_";
	var += this->CMakePathName;
	var += "_PATH";
	this->AddCMakePrefixPath("CMAKE_PREFIX_PATH");
	this->AddCMakePath(var.c_str());

	if(this->CMakePathName == "PROGRAM")
	{
	this->AddCMakePath("CMAKE_APPBUNDLE_PATH");
	}
	else
	{
	this->AddCMakePath("CMAKE_FRAMEWORK_PATH");
	}
	}
	}

	//----------------------------------------------------------------------------
	void cmFindBase::AddSystemEnvironmentPath()
	{
	if(!this->NoSystemEnvironmentPath && !this->NoDefaultPath)
	{
	// Add LIB or INCLUDE
	if(!this->EnvironmentPath.empty())
	{
	this->AddEnvPath(this->EnvironmentPath.c_str());
	}
	// Add PATH
	this->AddEnvPath(0);
	}
	}

	//----------------------------------------------------------------------------
	void cmFindBase::AddCMakeSystemVariablePath()
	{
	if(!this->NoCMakeSystemPath && !this->NoDefaultPath)
	{
	std::string var = "CMAKE_SYSTEM_";
	var += this->CMakePathName;
	var += "_PATH";
	this->AddCMakePrefixPath("CMAKE_SYSTEM_PREFIX_PATH");
	this->AddCMakePath(var.c_str());

	if(this->CMakePathName == "PROGRAM")
	{
	this->AddCMakePath("CMAKE_SYSTEM_APPBUNDLE_PATH");
	}
	else
	{
	this->AddCMakePath("CMAKE_SYSTEM_FRAMEWORK_PATH");
	}
	}
	}

	//----------------------------------------------------------------------------
	void cmFindBase::AddUserHintsPath()
	{
	this->AddPathsInternal(this->UserHints, CMakePath);
	}

	//----------------------------------------------------------------------------
	void cmFindBase::AddUserGuessPath()
	{
	this->AddPathsInternal(this->UserPaths, CMakePath);
	}

	//----------------------------------------------------------------------------
	void cmFindBase::AddPathSuffixes()
	{
	std::vector<std::string>& paths = this->SearchPaths;
	std::vector<std::string> finalPath = paths;
	std::vector<std::string>::iterator i;
	// clear the path
	paths.clear();
	// convert all paths to unix slashes and add search path suffixes
	// if there are any
	for(i = finalPath.begin();
	i != finalPath.end(); ++i)
	{
	cmSystemTools::ConvertToUnixSlashes(*i);
	// copy each finalPath combined with SearchPathSuffixes
	// to the SearchPaths ivar
	for(std::vector<std::string>::iterator j =
	this->SearchPathSuffixes.begin();
	j != this->SearchPathSuffixes.end(); ++j)
	{
	// if *i is only / then do not add a //
	// this will get incorrectly considered a network
	// path on windows and cause huge delays.
	std::string p = *i;
	if(p.size() && p[p.size()-1] != '/')
	{
	p += std::string("/");
	}
	p += *j;
	// add to all paths because the search path may be modified
	// later with lib being replaced for lib64 which may exist
	paths.push_back(p);
	}
	// now put the path without the path suffixes in the SearchPaths
	paths.push_back(*i);
	}
	}

	void cmFindBase::PrintFindStuff()
	{
	std::cerr << "SearchFrameworkLast: " << this->SearchFrameworkLast << "\n";
	std::cerr << "SearchFrameworkOnly: " << this->SearchFrameworkOnly << "\n";
	std::cerr << "SearchFrameworkFirst: " << this->SearchFrameworkFirst << "\n";
	std::cerr << "SearchAppBundleLast: " << this->SearchAppBundleLast << "\n";
	std::cerr << "SearchAppBundleOnly: " << this->SearchAppBundleOnly << "\n";
	std::cerr << "SearchAppBundleFirst: " << this->SearchAppBundleFirst << "\n";
	std::cerr << "VariableName " << this->VariableName << "\n";
	std::cerr << "VariableDocumentation "
	<< this->VariableDocumentation << "\n";
	std::cerr << "NoDefaultPath " << this->NoDefaultPath << "\n";
	std::cerr << "NoCMakeEnvironmentPath "
	<< this->NoCMakeEnvironmentPath << "\n";
	std::cerr << "NoCMakePath " << this->NoCMakePath << "\n";
	std::cerr << "NoSystemEnvironmentPath "
	<< this->NoSystemEnvironmentPath << "\n";
	std::cerr << "NoCMakeSystemPath " << this->NoCMakeSystemPath << "\n";
	std::cerr << "EnvironmentPath " << this->EnvironmentPath << "\n";
	std::cerr << "CMakePathName " << this->CMakePathName << "\n";
	std::cerr << "Names ";
	for(unsigned int i =0; i < this->Names.size(); ++i)
	{
	std::cerr << this->Names[i] << " ";
	}
	std::cerr << "\n";
	std::cerr << "\n";
	std::cerr << "SearchPathSuffixes ";
	for(unsigned int i =0; i < this->SearchPathSuffixes.size(); ++i)
	{
	std::cerr << this->SearchPathSuffixes[i] << "\n";
	}
	std::cerr << "\n";
	std::cerr << "SearchPaths\n";
	for(unsigned int i =0; i < this->SearchPaths.size(); ++i)
	{
	std::cerr << "[" << this->SearchPaths[i] << "]\n";
	}
	}

	bool cmFindBase::CheckForVariableInCache()
	{
	if(const char* cacheValue =
	this->Makefile->GetDefinition(this->VariableName.c_str()))
	{
	cmCacheManager::CacheIterator it =
	this->Makefile->GetCacheManager()->
	GetCacheIterator(this->VariableName.c_str());
	bool found = !cmSystemTools::IsNOTFOUND(cacheValue);
	bool cached = !it.IsAtEnd();
	if(found)
	{
	// If the user specifies the entry on the command line without a
	// type we should add the type and docstring but keep the
	// original value. Tell the subclass implementations to do
	// this.
	if(cached && it.GetType() == cmCacheManager::UNINITIALIZED)
	{
	this->AlreadyInCacheWithoutMetaInfo = true;
	}
	return true;
	}
	else if(cached)
	{
	const char* hs = it.GetProperty("HELPSTRING");
	this->VariableDocumentation = hs?hs:"(none)";
	}
	}
	return false;
	}