378 lines
10 KiB
C++
378 lines
10 KiB
C++
/*=========================================================================
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Program: CMake - Cross-Platform Makefile Generator
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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 Kitware, Inc., Insight Consortium. All rights reserved.
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See Copyright.txt or http://www.cmake.org/HTML/Copyright.html 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 "cmFindBase.h"
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cmFindBase::cmFindBase()
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{
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this->AlreadyInCache = false;
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this->NoSystemPath = false;
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this->NoCMakePath = false;
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this->NoCMakeEnvironmentPath = false;
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this->NoCMakeSystemPath = false;
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// default is to search frameworks first on apple
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#if defined(__APPLE__)
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this->SearchFrameworkFirst = true;
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#else
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this->SearchFrameworkFirst = false;
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#endif
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this->SearchFrameworkOnly = false;
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this->SearchFrameworkLast = false;
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}
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bool cmFindBase::ParseArguments(std::vector<std::string> const& argsIn)
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{
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if(argsIn.size() < 2 )
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{
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this->SetError("called with incorrect number of arguments");
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return false;
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}
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// copy argsIn into args so it can be modified,
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// in the process extract the DOC "documentation"
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size_t size = argsIn.size();
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std::vector<std::string> args;
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bool foundDoc = false;
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for(unsigned int j = 0; j < size; ++j)
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{
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if(foundDoc || argsIn[j] != "DOC" )
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{
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args.push_back(argsIn[j]);
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}
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else
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{
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if(j+1 < size)
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{
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foundDoc = true;
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this->VariableDocumentation = argsIn[j+1];
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j++;
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if(j >= size)
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{
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break;
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}
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}
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}
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}
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this->VariableName = args[0];
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if(this->CheckForVariableInCache())
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{
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this->AlreadyInCache = true;
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return true;
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}
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this->AlreadyInCache = false;
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std::vector<std::string> userPaths;
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std::string doc;
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bool foundName = false;
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bool doingNames = false;
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bool foundPaths = false;
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bool doingPaths = false;
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bool doingPathSuf = false;
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bool newStyle = false;
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for (unsigned int j = 1; j < args.size(); ++j)
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{
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if(args[j] == "NAMES")
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{
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doingNames = true;
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newStyle = true;
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doingPathSuf = false;
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doingPaths = false;
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}
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else if (args[j] == "PATHS")
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{
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doingPaths = true;
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newStyle = true;
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doingNames = false;
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doingPathSuf = false;
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}
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else if (args[j] == "PATH_SUFFIXES")
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{
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doingPathSuf = true;
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newStyle = true;
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doingNames = false;
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doingPaths = false;
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}
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else if (args[j] == "NO_SYSTEM_PATH")
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{
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this->NoSystemPath = true;
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}
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else if (args[j] == "NO_CMAKE_PATH")
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{
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this->NoCMakePath = true;
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}
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else if (args[j] == "NO_CMAKE_ENVIRONMENT_PATH")
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{
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this->NoCMakeEnvironmentPath = true;
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}
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else if (args[j] == "NO_CMAKE_SYSTEM_PATH")
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{
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this->NoCMakeSystemPath = true;
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}
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else
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{
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if(doingNames)
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{
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this->Names.push_back(args[j]);
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}
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else if(doingPaths)
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{
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userPaths.push_back(args[j]);
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}
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else if(doingPathSuf)
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{
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this->SearchPathSuffixes.push_back(args[j]);
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}
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}
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}
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if(this->VariableDocumentation.size() == 0)
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{
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this->VariableDocumentation = "Whare can ";
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if(this->Names.size() == 0)
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{
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this->VariableDocumentation += "the (unknown) library be found";
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}
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else if(this->Names.size() == 1)
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{
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this->VariableDocumentation += "the " + this->Names[0] + " library be found";
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}
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else
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{
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this->VariableDocumentation += "one of the " + this->Names[0];
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for (unsigned int j = 1; j < this->Names.size() - 1; ++j)
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{
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this->VariableDocumentation += ", " + this->Names[j];
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}
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this->VariableDocumentation += " or " + this->Names[this->Names.size() - 1] + " libraries be found";
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}
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}
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// look for old style
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// FIND_*(VAR name path1 path2 ...)
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if(!newStyle)
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{
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std::cerr << "oldstyle\n";
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this->Names.push_back(args[1]);
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for(unsigned int j = 2; j < args.size(); ++j)
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{
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userPaths.push_back(args[j]);
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}
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}
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this->ExpandPaths(userPaths);
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return true;
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}
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void cmFindBase::ExpandPaths(std::vector<std::string> userPaths)
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{
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// Add CMAKE_*_PATH environment variables
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if(!this->NoCMakeEnvironmentPath)
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{
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this->AddEnvironmentVairables();
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}
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// Add CMake varibles of the same name as the previous environment
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// varibles CMAKE_*_PATH to be used most of the time with -D
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// command line options
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if(!this->NoCMakePath)
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{
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this->AddCMakeVairables();
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}
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// add System environment PATH and (LIB or INCLUDE)
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if(!this->NoSystemPath)
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{
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this->AddSystemEnvironmentVairables();
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}
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// Add CMAKE_SYSTEM_*_PATH variables which are defined in platform files
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if(!this->NoCMakeSystemPath)
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{
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this->AddCMakeSystemVariables();
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}
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// add the paths specified in the FIND_* call
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for(unsigned int i =0; i < userPaths.size(); ++i)
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{
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this->SearchPaths.push_back(userPaths[i]);
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}
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// clean things up
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this->ExpandRegistryAndCleanPath();
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}
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void cmFindBase::AddEnvironmentVairables()
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{
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if(this->SearchFrameworkFirst || this->SearchFrameworkOnly)
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{
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cmSystemTools::GetPath(this->SearchPaths, "CMAKE_FRAMEWORK_PATH");
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}
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std::string var = "CMAKE_";
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var += this->CMakePathName;
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var += "_PATH";
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cmSystemTools::GetPath(this->SearchPaths, var.c_str());
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if(this->SearchFrameworkLast)
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{
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cmSystemTools::GetPath(this->SearchPaths, "CMAKE_FRAMEWORK_PATH");
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}
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}
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void cmFindBase::AddCMakeVairables()
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{
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if(this->SearchFrameworkFirst || this->SearchFrameworkOnly)
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{
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if(const char* path = m_Makefile->GetDefinition("CMAKE_FRAMEWORK_PATH"))
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{
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cmSystemTools::ExpandListArgument(path, this->SearchPaths);
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}
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}
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std::string var = "CMAKE_";
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var += this->CMakePathName;
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var += "_PATH";
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if(const char* path = m_Makefile->GetDefinition(var.c_str()))
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{
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cmSystemTools::ExpandListArgument(path, this->SearchPaths);
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}
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if(this->SearchFrameworkLast)
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{
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if(const char* path = m_Makefile->GetDefinition("CMAKE_FRAMEWORK_PATH"))
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{
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cmSystemTools::ExpandListArgument(path, this->SearchPaths);
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}
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}
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}
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void cmFindBase::AddSystemEnvironmentVairables()
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{
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// Add LIB or INCLUDE
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if(this->EnvironmentPath.size())
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{
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cmSystemTools::GetPath(this->SearchPaths, this->EnvironmentPath.c_str());
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}
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// Add PATH
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cmSystemTools::GetPath(this->SearchPaths);
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}
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void cmFindBase::AddCMakeSystemVariables()
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{
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if(this->SearchFrameworkFirst || this->SearchFrameworkOnly)
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{
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if(const char* path = m_Makefile->GetDefinition("CMAKE_SYSTEM_FRAMEWORK_PATH"))
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{
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cmSystemTools::ExpandListArgument(path, this->SearchPaths);
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}
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}
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std::string var = "CMAKE_SYSTEM_";
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var += this->CMakePathName;
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var += "_PATH";
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if(const char* path = m_Makefile->GetDefinition(var.c_str()))
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{
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cmSystemTools::ExpandListArgument(path, this->SearchPaths);
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}
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if(this->SearchFrameworkLast)
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{
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if(const char* path = m_Makefile->GetDefinition("CMAKE_SYSTEM_FRAMEWORK_PATH"))
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{
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cmSystemTools::ExpandListArgument(path, this->SearchPaths);
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}
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}
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}
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void cmFindBase::ExpandRegistryAndCleanPath()
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{
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std::vector<std::string> finalPath;
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std::vector<std::string>::iterator i;
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for(i = this->SearchPaths.begin();
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i != this->SearchPaths.end(); ++i)
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{
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cmSystemTools::ExpandRegistryValues(*i);
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cmSystemTools::GlobDirs(i->c_str(), finalPath);
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}
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this->SearchPaths.clear();
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// convert all paths to unix slashes
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for(i = finalPath.begin();
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i != finalPath.end(); ++i)
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{
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cmSystemTools::ConvertToUnixSlashes(*i);
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// copy each finalPath combined with SearchPathSuffixes
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// to the SearchPaths ivar
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for(std::vector<std::string>::iterator j = this->SearchPathSuffixes.begin();
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j != this->SearchPathSuffixes.end(); ++j)
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{
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std::string p = *i + std::string("/") + *j;
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if(cmSystemTools::FileIsDirectory(p.c_str()))
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{
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this->SearchPaths.push_back(p);
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}
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}
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}
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// now put the path without the path suffixes in the SearchPaths
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for(i = finalPath.begin();
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i != finalPath.end(); ++i)
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{
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if(cmSystemTools::FileIsDirectory(i->c_str()))
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{
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this->SearchPaths.push_back(*i);
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}
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}
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}
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void cmFindBase::PrintFindStuff()
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{
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std::cerr << "VariableName " << this->VariableName << "\n";
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std::cerr << "VariableDocumentation " << this->VariableDocumentation << "\n";
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std::cerr << "NoSystemPath " << this->NoSystemPath << "\n";
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std::cerr << "NoCMakeEnvironmentPath " << this->NoCMakeEnvironmentPath << "\n";
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std::cerr << "NoCMakePath " << this->NoCMakePath << "\n";
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std::cerr << "NoCMakeSystemPath " << this->NoCMakeSystemPath << "\n";
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std::cerr << "EnvironmentPath " << this->EnvironmentPath << "\n";
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std::cerr << "CMakePathName " << this->CMakePathName << "\n";
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std::cerr << "Names ";
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for(unsigned int i =0; i < this->Names.size(); ++i)
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{
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std::cerr << this->Names[i] << " ";
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}
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std::cerr << "\n";
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std::cerr << "\n";
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std::cerr << "SearchPathSuffixes ";
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for(unsigned int i =0; i < this->SearchPathSuffixes.size(); ++i)
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{
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std::cerr << this->SearchPathSuffixes[i] << "\n";
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}
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std::cerr << "\n";
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std::cerr << "SearchPaths\n";
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for(unsigned int i =0; i < this->SearchPaths.size(); ++i)
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{
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std::cerr << "[" << this->SearchPaths[i] << "]\n";
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}
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}
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bool cmFindBase::CheckForVariableInCache()
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{
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std::cerr << "CheckForVariableInCache " << this->VariableName << "\n";
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const char* cacheValue
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= m_Makefile->GetDefinition(this->VariableName.c_str());
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if(cacheValue && !cmSystemTools::IsNOTFOUND(cacheValue))
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{
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return true;
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}
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if(cacheValue)
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{
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std::cerr << "Cachevalue " << cacheValue << "\n";
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cmCacheManager::CacheIterator it =
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m_Makefile->GetCacheManager()->GetCacheIterator(this->VariableName.c_str());
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if(!it.IsAtEnd())
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{
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const char* hs = it.GetProperty("HELPSTRING");
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this->VariableDocumentation = hs?hs:"(none)";
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}
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}
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return false;
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}
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