398 lines
11 KiB
C++
398 lines
11 KiB
C++
/*============================================================================
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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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#include "cmAlgorithms.h"
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#include "cmState.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->UserGuessArgs.push_back(args[j]);
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}
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else if(doing == DoingHints)
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{
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this->UserHintsArgs.push_back(args[j]);
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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.empty())
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{
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this->VariableDocumentation = "Where can ";
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if(this->Names.empty())
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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 ";
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this->VariableDocumentation +=
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cmJoin(cmMakeRange(this->Names).retreat(1), ", ");
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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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this->UserGuessArgs.insert(this->UserGuessArgs.end(),
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shortArgs.begin() + 1, shortArgs.end());
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}
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this->ExpandPaths();
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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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if(!this->NoDefaultPath)
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{
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if(!this->NoCMakePath)
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{
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this->FillCMakeVariablePath();
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}
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if(!this->NoCMakeEnvironmentPath)
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{
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this->FillCMakeEnvironmentPath();
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}
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}
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this->FillUserHintsPath();
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if(!this->NoDefaultPath)
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{
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if(!this->NoSystemEnvironmentPath)
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{
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this->FillSystemEnvironmentPath();
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}
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if(!this->NoCMakeSystemPath)
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{
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this->FillCMakeSystemVariablePath();
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}
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}
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this->FillUserGuessPath();
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}
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//----------------------------------------------------------------------------
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void cmFindBase::FillCMakeEnvironmentPath()
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{
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cmSearchPath &paths = this->LabeledPaths[PathLabel::CMakeEnvironment];
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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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paths.AddEnvPrefixPath("CMAKE_PREFIX_PATH");
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paths.AddEnvPath(var);
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if(this->CMakePathName == "PROGRAM")
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{
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paths.AddEnvPath("CMAKE_APPBUNDLE_PATH");
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}
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else
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{
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paths.AddEnvPath("CMAKE_FRAMEWORK_PATH");
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}
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paths.AddSuffixes(this->SearchPathSuffixes);
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}
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//----------------------------------------------------------------------------
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void cmFindBase::FillCMakeVariablePath()
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{
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cmSearchPath &paths = this->LabeledPaths[PathLabel::CMake];
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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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paths.AddCMakePrefixPath("CMAKE_PREFIX_PATH");
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paths.AddCMakePath(var);
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if(this->CMakePathName == "PROGRAM")
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{
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paths.AddCMakePath("CMAKE_APPBUNDLE_PATH");
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}
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else
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{
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paths.AddCMakePath("CMAKE_FRAMEWORK_PATH");
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}
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paths.AddSuffixes(this->SearchPathSuffixes);
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}
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//----------------------------------------------------------------------------
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void cmFindBase::FillSystemEnvironmentPath()
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{
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cmSearchPath &paths = this->LabeledPaths[PathLabel::SystemEnvironment];
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// Add LIB or INCLUDE
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if(!this->EnvironmentPath.empty())
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{
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paths.AddEnvPath(this->EnvironmentPath);
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paths.AddEnvPrefixPath("PATH", true);
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}
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// Add PATH
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paths.AddEnvPath("PATH");
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paths.AddSuffixes(this->SearchPathSuffixes);
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}
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//----------------------------------------------------------------------------
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void cmFindBase::FillCMakeSystemVariablePath()
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{
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cmSearchPath &paths = this->LabeledPaths[PathLabel::CMakeSystem];
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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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paths.AddCMakePrefixPath("CMAKE_SYSTEM_PREFIX_PATH");
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paths.AddCMakePath(var);
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if(this->CMakePathName == "PROGRAM")
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{
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paths.AddCMakePath("CMAKE_SYSTEM_APPBUNDLE_PATH");
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}
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else
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{
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paths.AddCMakePath("CMAKE_SYSTEM_FRAMEWORK_PATH");
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}
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paths.AddSuffixes(this->SearchPathSuffixes);
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}
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//----------------------------------------------------------------------------
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void cmFindBase::FillUserHintsPath()
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{
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cmSearchPath &paths = this->LabeledPaths[PathLabel::Hints];
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for(std::vector<std::string>::const_iterator p = this->UserHintsArgs.begin();
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p != this->UserHintsArgs.end(); ++p)
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{
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paths.AddUserPath(*p);
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}
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paths.AddSuffixes(this->SearchPathSuffixes);
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}
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//----------------------------------------------------------------------------
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void cmFindBase::FillUserGuessPath()
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{
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cmSearchPath &paths = this->LabeledPaths[PathLabel::Guess];
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for(std::vector<std::string>::const_iterator p = this->UserGuessArgs.begin();
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p != this->UserGuessArgs.end(); ++p)
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{
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paths.AddUserPath(*p);
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}
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paths.AddSuffixes(this->SearchPathSuffixes);
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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 " << cmJoin(this->Names, " ") << "\n";
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std::cerr << "\n";
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std::cerr << "SearchPathSuffixes ";
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std::cerr << cmJoin(this->SearchPathSuffixes, "\n") << "\n";
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std::cerr << "SearchPaths\n";
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std::cerr << cmWrap("[", this->SearchPaths, "]", "\n") << "\n";
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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))
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{
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cmState* state = this->Makefile->GetState();
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const char* cacheEntry = state->GetCacheEntryValue(this->VariableName);
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bool found = !cmSystemTools::IsNOTFOUND(cacheValue);
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bool cached = cacheEntry ? true : false;
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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 && state->GetCacheEntryType(this->VariableName)
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== cmState::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 = state->GetCacheEntryProperty(this->VariableName,
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"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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