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496 lines
14 KiB
496 lines
14 KiB
/*============================================================================
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CMake - Cross Platform Makefile Generator
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Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
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Distributed under the OSI-approved BSD License (the "License");
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see accompanying file Copyright.txt for details.
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This software is distributed WITHOUT ANY WARRANTY; without even the
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implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the License 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->AlreadyInCacheWithoutMetaInfo = false;
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this->NamesPerDir = false;
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this->NamesPerDirAllowed = false;
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}
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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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if(argsIn[j] == "ENV")
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{
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if(j+1 < size)
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{
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j++;
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cmSystemTools::GetPath(args, argsIn[j].c_str());
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}
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}
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else
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{
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args.push_back(argsIn[j]);
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}
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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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if(args.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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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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// Find the current root path mode.
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this->SelectDefaultRootPathMode();
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// Find the current bundle/framework search policy.
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this->SelectDefaultMacMode();
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bool newStyle = false;
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enum Doing { DoingNone, DoingNames, DoingPaths, DoingPathSuffixes,
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DoingHints };
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Doing doing = DoingNames; // assume it starts with a name
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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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doing = DoingNames;
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newStyle = true;
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}
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else if (args[j] == "PATHS")
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{
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doing = DoingPaths;
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newStyle = true;
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}
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else if (args[j] == "HINTS")
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{
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doing = DoingHints;
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newStyle = true;
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}
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else if (args[j] == "PATH_SUFFIXES")
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{
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doing = DoingPathSuffixes;
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newStyle = true;
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}
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else if (args[j] == "NAMES_PER_DIR")
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{
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doing = DoingNone;
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if(this->NamesPerDirAllowed)
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{
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this->NamesPerDir = true;
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}
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else
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{
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this->SetError("does not support NAMES_PER_DIR");
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return false;
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}
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}
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else if (args[j] == "NO_SYSTEM_PATH")
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{
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doing = DoingNone;
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this->NoDefaultPath = true;
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}
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else if (this->CheckCommonArgument(args[j]))
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{
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doing = DoingNone;
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// Some common arguments were accidentally supported by CMake
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// 2.4 and 2.6.0 in the short-hand form of the command, so we
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// must support it even though it is not documented.
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}
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else if(doing == 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(doing == DoingPaths)
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{
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this->AddUserPath(args[j], this->UserPaths);
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}
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else if(doing == DoingHints)
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{
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this->AddUserPath(args[j], this->UserHints);
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}
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else if(doing == DoingPathSuffixes)
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{
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this->AddPathSuffix(args[j]);
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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 = "Where 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 "
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+ 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 "
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+ 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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// All the short-hand arguments have been recorded as names.
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std::vector<std::string> shortArgs = this->Names;
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this->Names.clear(); // clear out any values in Names
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this->Names.push_back(shortArgs[0]);
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for(unsigned int j = 1; j < shortArgs.size(); ++j)
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{
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this->AddUserPath(shortArgs[j], this->UserPaths);
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}
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}
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this->ExpandPaths();
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// Filter out ignored paths from the prefix list
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std::set<std::string> ignored;
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this->GetIgnoredPaths(ignored);
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this->FilterPaths(this->SearchPaths, ignored);
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this->ComputeFinalPaths();
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return true;
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}
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void cmFindBase::ExpandPaths()
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{
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this->AddCMakeVariablePath();
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this->AddCMakeEnvironmentPath();
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this->AddUserHintsPath();
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this->AddSystemEnvironmentPath();
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this->AddCMakeSystemVariablePath();
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this->AddUserGuessPath();
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// Add suffixes and clean up paths.
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this->AddPathSuffixes();
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}
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//----------------------------------------------------------------------------
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void cmFindBase::AddPrefixPaths(std::vector<std::string> const& in_paths,
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PathType pathType)
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{
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// default for programs
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std::string subdir = "bin";
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if (this->CMakePathName == "INCLUDE")
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{
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subdir = "include";
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}
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else if (this->CMakePathName == "LIBRARY")
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{
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subdir = "lib";
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}
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else if (this->CMakePathName == "FRAMEWORK")
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{
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subdir = ""; // ? what to do for frameworks ?
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}
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for(std::vector<std::string>::const_iterator it = in_paths.begin();
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it != in_paths.end(); ++it)
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{
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std::string dir = it->c_str();
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if(!subdir.empty() && !dir.empty() && dir[dir.size()-1] != '/')
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{
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dir += "/";
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}
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if(subdir == "include" || subdir == "lib")
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{
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const char* arch =
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this->Makefile->GetDefinition("CMAKE_LIBRARY_ARCHITECTURE");
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if(arch && *arch)
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{
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this->AddPathInternal(dir+subdir+"/"+arch, pathType);
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}
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}
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std::string add = dir + subdir;
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if(add != "/")
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{
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this->AddPathInternal(add, pathType);
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}
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if (subdir == "bin")
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{
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this->AddPathInternal(dir+"sbin", pathType);
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}
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if(!subdir.empty() && *it != "/")
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{
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this->AddPathInternal(*it, pathType);
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}
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}
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}
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//----------------------------------------------------------------------------
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void cmFindBase::AddCMakePrefixPath(const char* variable)
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{
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// Get a path from a CMake variable.
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if(const char* varPath = this->Makefile->GetDefinition(variable))
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{
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std::vector<std::string> tmp;
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cmSystemTools::ExpandListArgument(varPath, tmp);
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this->AddPrefixPaths(tmp, CMakePath);
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}
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}
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//----------------------------------------------------------------------------
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void cmFindBase::AddEnvPrefixPath(const char* variable)
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{
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// Get a path from the environment.
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std::vector<std::string> tmp;
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cmSystemTools::GetPath(tmp, variable);
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this->AddPrefixPaths(tmp, EnvPath);
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}
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//----------------------------------------------------------------------------
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void cmFindBase::AddCMakeEnvironmentPath()
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{
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if(!this->NoCMakeEnvironmentPath && !this->NoDefaultPath)
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{
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// Add CMAKE_*_PATH environment variables
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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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this->AddEnvPrefixPath("CMAKE_PREFIX_PATH");
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this->AddEnvPath(var.c_str());
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if(this->CMakePathName == "PROGRAM")
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{
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this->AddEnvPath("CMAKE_APPBUNDLE_PATH");
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}
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else
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{
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this->AddEnvPath("CMAKE_FRAMEWORK_PATH");
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}
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}
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}
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//----------------------------------------------------------------------------
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void cmFindBase::AddCMakeVariablePath()
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{
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if(!this->NoCMakePath && !this->NoDefaultPath)
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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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std::string var = "CMAKE_";
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var += this->CMakePathName;
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var += "_PATH";
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this->AddCMakePrefixPath("CMAKE_PREFIX_PATH");
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this->AddCMakePath(var.c_str());
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if(this->CMakePathName == "PROGRAM")
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{
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this->AddCMakePath("CMAKE_APPBUNDLE_PATH");
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}
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else
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{
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this->AddCMakePath("CMAKE_FRAMEWORK_PATH");
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}
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}
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}
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//----------------------------------------------------------------------------
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void cmFindBase::AddSystemEnvironmentPath()
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{
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if(!this->NoSystemEnvironmentPath && !this->NoDefaultPath)
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{
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// Add LIB or INCLUDE
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if(!this->EnvironmentPath.empty())
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{
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this->AddEnvPath(this->EnvironmentPath.c_str());
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}
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// Add PATH
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this->AddEnvPath(0);
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}
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}
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//----------------------------------------------------------------------------
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void cmFindBase::AddCMakeSystemVariablePath()
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{
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if(!this->NoCMakeSystemPath && !this->NoDefaultPath)
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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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this->AddCMakePrefixPath("CMAKE_SYSTEM_PREFIX_PATH");
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this->AddCMakePath(var.c_str());
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if(this->CMakePathName == "PROGRAM")
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{
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this->AddCMakePath("CMAKE_SYSTEM_APPBUNDLE_PATH");
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}
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else
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{
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this->AddCMakePath("CMAKE_SYSTEM_FRAMEWORK_PATH");
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}
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}
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}
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//----------------------------------------------------------------------------
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void cmFindBase::AddUserHintsPath()
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{
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this->AddPathsInternal(this->UserHints, CMakePath);
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}
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//----------------------------------------------------------------------------
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void cmFindBase::AddUserGuessPath()
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{
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this->AddPathsInternal(this->UserPaths, CMakePath);
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}
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//----------------------------------------------------------------------------
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void cmFindBase::AddPathSuffixes()
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{
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std::vector<std::string>& paths = this->SearchPaths;
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std::vector<std::string> finalPath = paths;
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std::vector<std::string>::iterator i;
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// clear the path
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paths.clear();
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// convert all paths to unix slashes and add search path suffixes
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// if there are any
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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 =
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this->SearchPathSuffixes.begin();
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j != this->SearchPathSuffixes.end(); ++j)
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{
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// if *i is only / then do not add a //
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// this will get incorrectly considered a network
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// path on windows and cause huge delays.
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std::string p = *i;
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if(p.size() && p[p.size()-1] != '/')
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{
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p += std::string("/");
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}
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p += *j;
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// add to all paths because the search path may be modified
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// later with lib being replaced for lib64 which may exist
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paths.push_back(p);
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}
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// now put the path without the path suffixes in the SearchPaths
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paths.push_back(*i);
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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 << "SearchFrameworkLast: " << this->SearchFrameworkLast << "\n";
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std::cerr << "SearchFrameworkOnly: " << this->SearchFrameworkOnly << "\n";
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std::cerr << "SearchFrameworkFirst: " << this->SearchFrameworkFirst << "\n";
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std::cerr << "SearchAppBundleLast: " << this->SearchAppBundleLast << "\n";
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std::cerr << "SearchAppBundleOnly: " << this->SearchAppBundleOnly << "\n";
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std::cerr << "SearchAppBundleFirst: " << this->SearchAppBundleFirst << "\n";
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std::cerr << "VariableName " << this->VariableName << "\n";
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std::cerr << "VariableDocumentation "
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<< this->VariableDocumentation << "\n";
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std::cerr << "NoDefaultPath " << this->NoDefaultPath << "\n";
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std::cerr << "NoCMakeEnvironmentPath "
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<< this->NoCMakeEnvironmentPath << "\n";
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std::cerr << "NoCMakePath " << this->NoCMakePath << "\n";
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std::cerr << "NoSystemEnvironmentPath "
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<< this->NoSystemEnvironmentPath << "\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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if(const char* cacheValue =
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this->Makefile->GetDefinition(this->VariableName.c_str()))
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{
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cmCacheManager::CacheIterator it =
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this->Makefile->GetCacheManager()->
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GetCacheIterator(this->VariableName.c_str());
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bool found = !cmSystemTools::IsNOTFOUND(cacheValue);
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bool cached = !it.IsAtEnd();
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if(found)
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{
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// If the user specifies the entry on the command line without a
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// type we should add the type and docstring but keep the
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// original value. Tell the subclass implementations to do
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// this.
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if(cached && it.GetType() == cmCacheManager::UNINITIALIZED)
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{
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this->AlreadyInCacheWithoutMetaInfo = true;
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}
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return true;
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}
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else if(cached)
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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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