mirror of
https://github.com/reactos/CMake.git
synced 2025-02-10 13:53:56 +00:00
22c62c9e65
fix many bugs related to target names being computed inconsistently. - Centralized computation of a target's file name to a method in cmTarget. Now that global knowledge is always available the *_CMAKE_PATH cache variables are no longer needed. - Centralized computation of link library command lines and link directory search order. - Moved computation of link directories needed to link CMake targets to be after evaluation of linking dependencies. This also removed alot of duplicate code in which each version had its own bugs. This commit is surrounded by the tags CMake-TargetNameCentralization1-pre and CMake-TargetNameCentralization1-post so make the large set of changes easy to identify.
1317 lines
42 KiB
C++
1317 lines
42 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 "cmTarget.h"
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#include "cmMakefile.h"
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#include "cmSourceFile.h"
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#include "cmLocalGenerator.h"
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#include "cmGlobalGenerator.h"
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#include <map>
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#include <set>
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#include <queue>
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#include <stdlib.h> // required for atof
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//----------------------------------------------------------------------------
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cmTarget::cmTarget()
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{
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m_Makefile = 0;
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m_LinkLibrariesAnalyzed = false;
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m_LinkDirectoriesComputed = false;
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}
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void cmTarget::SetType(TargetType type, const char* name)
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{
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m_Name = name;
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// only add dependency information for library targets
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m_TargetType = type;
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if(m_TargetType >= STATIC_LIBRARY && m_TargetType <= MODULE_LIBRARY) {
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m_RecordDependencies = true;
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} else {
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m_RecordDependencies = false;
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}
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}
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void cmTarget::TraceVSDependencies(std::string projFile,
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cmMakefile *makefile)
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{
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// get the classes from the source lists then add them to the groups
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std::vector<cmSourceFile*> & classes = this->GetSourceFiles();
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// use a deck to keep track of processed source files
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std::queue<std::string> srcFilesToProcess;
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std::set<cmStdString> srcFilesQueued;
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std::string name;
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std::vector<cmSourceFile*> newClasses;
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for(std::vector<cmSourceFile*>::const_iterator i = classes.begin();
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i != classes.end(); ++i)
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{
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name = (*i)->GetSourceName();
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if ((*i)->GetSourceExtension() != "rule")
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{
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name += ".";
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name += (*i)->GetSourceExtension();
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}
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srcFilesToProcess.push(name);
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srcFilesQueued.insert(name);
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// does this sourcefile have object depends on it?
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// If so then add them as well
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const char* additionalDeps = (*i)->GetProperty("OBJECT_DEPENDS");
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std::vector<std::string> depends = (*i)->GetDepends();
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if (additionalDeps || depends.size())
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{
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if(additionalDeps)
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{
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cmSystemTools::ExpandListArgument(additionalDeps, depends);
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}
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for(std::vector<std::string>::iterator id = depends.begin();
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id != depends.end(); ++id)
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{
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// if there is a custom rule to generate that dependency
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// then add it to the list
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cmSourceFile* outsf =
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makefile->GetSourceFileWithOutput(id->c_str());
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// if a source file was found then add it
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if (outsf &&
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(std::find(classes.begin(),classes.end(),outsf) == classes.end()) &&
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(std::find(newClasses.begin(),newClasses.end(),outsf) == newClasses.end()))
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{
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// then add the source to this target and add it to the queue
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newClasses.push_back(outsf);
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name = outsf->GetSourceName();
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if (outsf->GetSourceExtension() != "rule")
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{
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name += ".";
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name += outsf->GetSourceExtension();
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}
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std::string temp =
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cmSystemTools::GetFilenamePath(outsf->GetFullPath());
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temp += "/";
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temp += name;
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// if it hasn't been processed
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if (srcFilesQueued.find(temp) == srcFilesQueued.end())
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{
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srcFilesToProcess.push(temp);
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srcFilesQueued.insert(temp);
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}
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}
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}
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}
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}
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for(std::vector<cmSourceFile*>::const_iterator i = newClasses.begin();
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i != newClasses.end(); ++i)
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{
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classes.push_back(*i);
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}
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// add in the project file itself
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if (projFile.size())
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{
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srcFilesToProcess.push(projFile);
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srcFilesQueued.insert(projFile);
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}
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// add in the library depends for custom targets
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if (this->GetType() == cmTarget::UTILITY)
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{
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for (std::vector<cmCustomCommand>::iterator ic =
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this->GetPostBuildCommands().begin();
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ic != this->GetPostBuildCommands().end(); ++ic)
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{
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cmCustomCommand &c = *ic;
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for (std::vector<std::string>::const_iterator i = c.GetDepends().begin();
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i != c.GetDepends().end(); ++i)
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{
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srcFilesToProcess.push(*i);
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srcFilesQueued.insert(*i);
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}
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}
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}
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while (!srcFilesToProcess.empty())
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{
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// is this source the output of a custom command
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cmSourceFile* outsf =
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makefile->GetSourceFileWithOutput(srcFilesToProcess.front().c_str());
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if (outsf)
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{
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// is it not already in the target?
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if (std::find(classes.begin(),classes.end(),outsf) == classes.end())
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{
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// then add the source to this target and add it to the queue
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classes.push_back(outsf);
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name = outsf->GetSourceName();
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if (outsf->GetSourceExtension() != "rule")
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{
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name += ".";
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name += outsf->GetSourceExtension();
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}
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std::string temp =
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cmSystemTools::GetFilenamePath(outsf->GetFullPath());
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temp += "/";
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temp += name;
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// if it hasn't been processed
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if (srcFilesQueued.find(temp) == srcFilesQueued.end())
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{
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srcFilesToProcess.push(temp);
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srcFilesQueued.insert(temp);
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}
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}
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// add its dependencies to the list to check
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unsigned int i;
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for (i = 0; i < outsf->GetCustomCommand()->GetDepends().size(); ++i)
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{
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std::string dep = cmSystemTools::GetFilenameName(
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outsf->GetCustomCommand()->GetDepends()[i]);
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if (cmSystemTools::GetFilenameLastExtension(dep) == ".exe")
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{
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dep = cmSystemTools::GetFilenameWithoutLastExtension(dep);
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}
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// watch for target dependencies,
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if(m_Makefile->GetLocalGenerator()->GetGlobalGenerator()->FindTarget(0, dep.c_str()))
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{
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// add the depend as a utility on the target
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this->AddUtility(dep.c_str());
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}
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else
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{
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if (srcFilesQueued.find(outsf->GetCustomCommand()->GetDepends()[i])
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== srcFilesQueued.end())
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{
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srcFilesToProcess.push(outsf->GetCustomCommand()->GetDepends()[i]);
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srcFilesQueued.insert(outsf->GetCustomCommand()->GetDepends()[i]);
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}
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}
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}
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}
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// finished with this SF move to the next
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srcFilesToProcess.pop();
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}
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// mark all custom commands in the targets list of source files as used.
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for(std::vector<cmSourceFile*>::iterator i = m_SourceFiles.begin();
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i != m_SourceFiles.end(); ++i)
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{
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cmCustomCommand* cc = (*i)->GetCustomCommand();
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if(cc)
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{
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cc->Used();
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}
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}
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}
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void cmTarget::GenerateSourceFilesFromSourceLists( cmMakefile &mf)
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{
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// this is only done for non install targets
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if ((this->m_TargetType == cmTarget::INSTALL_FILES)
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|| (this->m_TargetType == cmTarget::INSTALL_PROGRAMS))
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{
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return;
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}
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// for each src lists add the classes
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for (std::vector<std::string>::const_iterator s = m_SourceLists.begin();
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s != m_SourceLists.end(); ++s)
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{
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int done = 0;
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// replace any variables
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std::string temps = *s;
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mf.ExpandVariablesInString(temps);
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// Next if one wasn't found then assume it is a single class
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// check to see if it is an existing source file
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if (!done)
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{
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cmSourceFile* sourceFile = mf.GetSource(temps.c_str());
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if ( sourceFile )
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{
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m_SourceFiles.push_back(sourceFile);
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done = 1;
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}
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}
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// if we still are not done, try to create the SourceFile structure
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if (!done)
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{
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cmSourceFile file;
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file.SetProperty("ABSTRACT","0");
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file.SetName(temps.c_str(), mf.GetCurrentDirectory(),
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mf.GetSourceExtensions(),
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mf.GetHeaderExtensions());
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m_SourceFiles.push_back(mf.AddSource(file));
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}
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}
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// expand any link library variables whle we are at it
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LinkLibraries::iterator p = m_LinkLibraries.begin();
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for (;p != m_LinkLibraries.end(); ++p)
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{
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mf.ExpandVariablesInString(p->first, true, true);
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}
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}
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void cmTarget::MergeLinkLibraries( cmMakefile& mf,
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const char *selfname,
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const LinkLibraries& libs )
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{
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// Only add on libraries we haven't added on before.
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// Assumption: the global link libraries could only grow, never shrink
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LinkLibraries::const_iterator i = libs.begin();
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i += m_PrevLinkedLibraries.size();
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for( ; i != libs.end(); ++i )
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{
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// We call this so that the dependencies get written to the cache
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this->AddLinkLibrary( mf, selfname, i->first.c_str(), i->second );
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}
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m_PrevLinkedLibraries = libs;
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}
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//----------------------------------------------------------------------------
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void cmTarget::AddLinkDirectory(const char* d)
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{
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// Make sure we don't add unnecessary search directories.
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if(std::find(m_ExplicitLinkDirectories.begin(),
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m_ExplicitLinkDirectories.end(), d)
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== m_ExplicitLinkDirectories.end() )
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{
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m_ExplicitLinkDirectories.push_back( d );
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m_LinkDirectoriesComputed = false;
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}
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}
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//----------------------------------------------------------------------------
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const std::vector<std::string>& cmTarget::GetLinkDirectories()
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{
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// Make sure all library dependencies have been analyzed.
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if(!m_LinkLibrariesAnalyzed && !m_LinkLibraries.empty())
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{
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cmSystemTools::Error(
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"cmTarget::GetLinkDirectories called before cmTarget::AnalyzeLibDependencies on target ",
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m_Name.c_str());
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}
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// Make sure the complete set of link directories has been computed.
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if(!m_LinkDirectoriesComputed)
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{
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// Compute the full set of link directories including the
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// locations of targets that have been linked in. Start with the
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// link directories given explicitly.
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m_LinkDirectories = m_ExplicitLinkDirectories;
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for(LinkLibraries::iterator ll = m_LinkLibraries.begin();
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ll != m_LinkLibraries.end(); ++ll)
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{
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// If this library is a CMake target then add its location as a
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// link directory.
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std::string lib = ll->first;
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cmTarget* tgt = 0;
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if(m_Makefile && m_Makefile->GetLocalGenerator() &&
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m_Makefile->GetLocalGenerator()->GetGlobalGenerator())
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{
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tgt = (m_Makefile->GetLocalGenerator()->GetGlobalGenerator()
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->FindTarget(0, lib.c_str()));
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}
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if(tgt)
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{
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// Add the directory only if it is not already present. This
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// is an N^2 algorithm for adding the directories, but N
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// should not get very big.
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const char* libpath = tgt->GetDirectory();
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if(std::find(m_LinkDirectories.begin(), m_LinkDirectories.end(),
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libpath) == m_LinkDirectories.end())
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{
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m_LinkDirectories.push_back(libpath);
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}
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}
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}
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// The complete set of link directories has now been computed.
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m_LinkDirectoriesComputed = true;
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}
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// Return the complete set of link directories.
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return m_LinkDirectories;
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}
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void cmTarget::ClearDependencyInformation( cmMakefile& mf, const char* target )
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{
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// Clear the dependencies. The cache variable must exist iff we are
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// recording dependency information for this target.
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std::string depname = target;
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depname += "_LIB_DEPENDS";
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if (m_RecordDependencies)
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{
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mf.AddCacheDefinition(depname.c_str(), "",
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"Dependencies for target", cmCacheManager::STATIC);
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}
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else
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{
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if (mf.GetDefinition( depname.c_str() ))
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{
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std::string message = "Target ";
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message += target;
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message += " has dependency information when it shouldn't.\n";
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message += "Your cache is probably stale. Please remove the entry\n ";
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message += depname;
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message += "\nfrom the cache.";
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cmSystemTools::Error( message.c_str() );
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}
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}
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}
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void cmTarget::AddLinkLibrary(const std::string& lib,
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LinkLibraryType llt)
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{
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this->AddFramework(lib.c_str(), llt);
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m_LinkLibraries.push_back( std::pair<std::string, cmTarget::LinkLibraryType>(lib,llt) );
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}
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bool cmTarget::AddFramework(const std::string& libname, LinkLibraryType llt)
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{
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(void)llt; // TODO: What is this?
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if(cmSystemTools::IsPathToFramework(libname.c_str()))
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{
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std::string frameworkDir = libname;
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frameworkDir += "/../";
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frameworkDir = cmSystemTools::CollapseFullPath(frameworkDir.c_str());
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std::vector<std::string>::iterator i =
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std::find(m_Frameworks.begin(),
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m_Frameworks.end(), frameworkDir);
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if(i == m_Frameworks.end())
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{
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m_Frameworks.push_back(frameworkDir);
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}
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return true;
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}
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return false;
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}
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void cmTarget::AddLinkLibrary(cmMakefile& mf,
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const char *target, const char* lib,
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LinkLibraryType llt)
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{
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// Never add a self dependency, even if the user asks for it.
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if(strcmp( target, lib ) == 0)
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{
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return;
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}
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this->AddFramework(lib, llt);
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m_LinkLibraries.push_back( std::pair<std::string, cmTarget::LinkLibraryType>(lib,llt) );
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if(llt != cmTarget::GENERAL)
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{
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// Store the library's link type in the cache. If it is a
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// conflicting type then assume it is always used. This is the
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// case when the user sets the cache entries for debug and
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// optimized versions of the library to the same value.
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std::string linkTypeName = lib;
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linkTypeName += "_LINK_TYPE";
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switch(llt)
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{
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case cmTarget::DEBUG:
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{
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const char* def = mf.GetDefinition(linkTypeName.c_str());
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if(!def || strcmp(def, "debug") == 0)
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{
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mf.AddCacheDefinition(linkTypeName.c_str(),
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"debug", "Library is used for debug links only",
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cmCacheManager::STATIC);
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}
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else
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{
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mf.AddCacheDefinition(linkTypeName.c_str(),
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"general", "Library is used for both debug and optimized links",
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cmCacheManager::STATIC);
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}
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}
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break;
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case cmTarget::OPTIMIZED:
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{
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const char* def = mf.GetDefinition(linkTypeName.c_str());
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if(!def || strcmp(def, "optimized") == 0)
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{
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mf.AddCacheDefinition(linkTypeName.c_str(),
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"optimized", "Library is used for debug links only",
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cmCacheManager::STATIC);
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}
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else
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{
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mf.AddCacheDefinition(linkTypeName.c_str(),
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"general", "Library is used for both debug and optimized links",
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cmCacheManager::STATIC);
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}
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}
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break;
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case cmTarget::GENERAL:
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break;
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}
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}
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// Add the explicit dependency information for this target. This is
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// simply a set of libraries separated by ";". There should always
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// be a trailing ";". These library names are not canonical, in that
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// they may be "-framework x", "-ly", "/path/libz.a", etc.
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// We shouldn't remove duplicates here because external libraries
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// may be purposefully duplicated to handle recursive dependencies,
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// and we removing one instance will break the link line. Duplicates
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// will be appropriately eliminated at emit time.
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if(m_RecordDependencies)
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{
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std::string targetEntry = target;
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targetEntry += "_LIB_DEPENDS";
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std::string dependencies;
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const char* old_val = mf.GetDefinition( targetEntry.c_str() );
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if( old_val )
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{
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dependencies += old_val;
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}
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dependencies += lib;
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dependencies += ";";
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mf.AddCacheDefinition( targetEntry.c_str(), dependencies.c_str(),
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"Dependencies for the target",
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cmCacheManager::STATIC );
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}
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}
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|
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void
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cmTarget::AnalyzeLibDependencies( const cmMakefile& mf )
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{
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// There are two key parts of the dependency analysis: (1)
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// determining the libraries in the link line, and (2) constructing
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// the dependency graph for those libraries.
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//
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// The latter is done using the cache entries that record the
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// dependencies of each library.
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//
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// The former is a more thorny issue, since it is not clear how to
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// determine if two libraries listed on the link line refer to the a
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// single library or not. For example, consider the link "libraries"
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// /usr/lib/libtiff.so -ltiff
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// Is this one library or two? The solution implemented here is the
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// simplest (and probably the only practical) one: two libraries are
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// the same if their "link strings" are identical. Thus, the two
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// libraries above are considered distinct. This also means that for
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// dependency analysis to be effective, the CMake user must specify
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// libraries build by his project without using any linker flags or
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// file extensions. That is,
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// LINK_LIBRARIES( One Two )
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// instead of
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// LINK_LIBRARIES( -lOne ${binarypath}/libTwo.a )
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// The former is probably what most users would do, but it never
|
|
// hurts to document the assumptions. :-) Therefore, in the analysis
|
|
// code, the "canonical name" of a library is simply its name as
|
|
// given to a LINK_LIBRARIES command.
|
|
//
|
|
// Also, we will leave the original link line intact; we will just add any
|
|
// dependencies that were missing.
|
|
//
|
|
// There is a problem with recursive external libraries
|
|
// (i.e. libraries with no dependency information that are
|
|
// recursively dependent). We must make sure that the we emit one of
|
|
// the libraries twice to satisfy the recursion, but we shouldn't
|
|
// emit it more times than necessary. In particular, we must make
|
|
// sure that handling this improbable case doesn't cost us when
|
|
// dealing with the common case of non-recursive libraries. The
|
|
// solution is to assume that the recursion is satisfied at one node
|
|
// of the dependency tree. To illustrate, assume libA and libB are
|
|
// extrenal and mutually dependent. Suppose libX depends on
|
|
// libA, and libY on libA and libX. Then
|
|
// TARGET_LINK_LIBRARIES( Y X A B A )
|
|
// TARGET_LINK_LIBRARIES( X A B A )
|
|
// TARGET_LINK_LIBRARIES( Exec Y )
|
|
// would result in "-lY -lX -lA -lB -lA". This is the correct way to
|
|
// specify the dependencies, since the mutual dependency of A and B
|
|
// is resolved *every time libA is specified*.
|
|
//
|
|
// Something like
|
|
// TARGET_LINK_LIBRARIES( Y X A B A )
|
|
// TARGET_LINK_LIBRARIES( X A B )
|
|
// TARGET_LINK_LIBRARIES( Exec Y )
|
|
// would result in "-lY -lX -lA -lB", and the mutual dependency
|
|
// information is lost. This is because in some case (Y), the mutual
|
|
// dependency of A and B is listed, while in another other case (X),
|
|
// it is not. Depending on which line actually emits A, the mutual
|
|
// dependency may or may not be on the final link line. We can't
|
|
// handle this pathalogical case cleanly without emitting extra
|
|
// libraries for the normal cases. Besides, the dependency
|
|
// information for X is wrong anyway: if we build an executable
|
|
// depending on X alone, we would not have the mutual dependency on
|
|
// A and B resolved.
|
|
//
|
|
// IMPROVEMENTS:
|
|
// -- The current algorithm will not always pick the "optimal" link line
|
|
// when recursive dependencies are present. It will instead break the
|
|
// cycles at an aribtrary point. The majority of projects won't have
|
|
// cyclic dependencies, so this is probably not a big deal. Note that
|
|
// the link line is always correct, just not necessary optimal.
|
|
|
|
typedef std::vector< std::string > LinkLine;
|
|
|
|
// The dependency map.
|
|
DependencyMap dep_map;
|
|
|
|
// 1. Build the dependency graph
|
|
//
|
|
for(LinkLibraries::reverse_iterator lib = m_LinkLibraries.rbegin();
|
|
lib != m_LinkLibraries.rend(); ++lib)
|
|
{
|
|
this->GatherDependencies( mf, lib->first, dep_map );
|
|
}
|
|
|
|
// 2. Remove any dependencies that are already satisfied in the original
|
|
// link line.
|
|
//
|
|
for(LinkLibraries::iterator lib = m_LinkLibraries.begin();
|
|
lib != m_LinkLibraries.end(); ++lib)
|
|
{
|
|
for( LinkLibraries::iterator lib2 = lib;
|
|
lib2 != m_LinkLibraries.end(); ++lib2)
|
|
{
|
|
DeleteDependency( dep_map, lib->first, lib2->first );
|
|
}
|
|
}
|
|
|
|
|
|
// 3. Create the new link line by simply emitting any dependencies that are
|
|
// missing. Start from the back and keep adding.
|
|
//
|
|
std::set<cmStdString> done, visited;
|
|
std::vector<std::string> newLinkLibraries;
|
|
for(LinkLibraries::reverse_iterator lib = m_LinkLibraries.rbegin();
|
|
lib != m_LinkLibraries.rend(); ++lib)
|
|
{
|
|
// skip zero size library entries, this may happen
|
|
// if a variable expands to nothing.
|
|
if (lib->first.size() != 0)
|
|
{
|
|
Emit( lib->first, dep_map, done, visited, newLinkLibraries );
|
|
}
|
|
}
|
|
|
|
// 4. Add the new libraries to the link line.
|
|
//
|
|
for( std::vector<std::string>::reverse_iterator k = newLinkLibraries.rbegin();
|
|
k != newLinkLibraries.rend(); ++k )
|
|
{
|
|
std::string linkType = *k;
|
|
linkType += "_LINK_TYPE";
|
|
cmTarget::LinkLibraryType llt = cmTarget::GENERAL;
|
|
const char* linkTypeString = mf.GetDefinition( linkType.c_str() );
|
|
if(linkTypeString)
|
|
{
|
|
if(strcmp(linkTypeString, "debug") == 0)
|
|
{
|
|
llt = cmTarget::DEBUG;
|
|
}
|
|
if(strcmp(linkTypeString, "optimized") == 0)
|
|
{
|
|
llt = cmTarget::OPTIMIZED;
|
|
}
|
|
}
|
|
m_LinkLibraries.push_back( std::make_pair(*k,llt) );
|
|
}
|
|
m_LinkLibrariesAnalyzed = true;
|
|
}
|
|
|
|
|
|
void cmTarget::InsertDependency( DependencyMap& depMap,
|
|
const cmStdString& lib,
|
|
const cmStdString& dep )
|
|
{
|
|
depMap[lib].push_back(dep);
|
|
}
|
|
|
|
void cmTarget::DeleteDependency( DependencyMap& depMap,
|
|
const cmStdString& lib,
|
|
const cmStdString& dep )
|
|
{
|
|
// Make sure there is an entry in the map for lib. If so, delete all
|
|
// dependencies to dep. There may be repeated entries because of
|
|
// external libraries that are specified multiple times.
|
|
DependencyMap::iterator map_itr = depMap.find( lib );
|
|
if( map_itr != depMap.end() )
|
|
{
|
|
DependencyList& depList = map_itr->second;
|
|
DependencyList::iterator itr;
|
|
while( (itr = std::find(depList.begin(), depList.end(), dep)) != depList.end() )
|
|
{
|
|
depList.erase( itr );
|
|
}
|
|
}
|
|
}
|
|
|
|
void cmTarget::Emit( const std::string& lib,
|
|
const DependencyMap& dep_map,
|
|
std::set<cmStdString>& emitted,
|
|
std::set<cmStdString>& visited,
|
|
std::vector<std::string>& link_line )
|
|
{
|
|
// It's already been emitted
|
|
if( emitted.find(lib) != emitted.end() )
|
|
return;
|
|
|
|
// Emit the dependencies only if this library node hasn't been
|
|
// visited before. If it has, then we have a cycle. The recursion
|
|
// that got us here should take care of everything.
|
|
|
|
if( visited.insert(lib).second )
|
|
{
|
|
if( dep_map.find(lib) != dep_map.end() ) // does it have dependencies?
|
|
{
|
|
const DependencyList& dep_on = dep_map.find( lib )->second;
|
|
DependencyList::const_reverse_iterator i;
|
|
|
|
// To cater for recursive external libraries, we must emit
|
|
// duplicates on this link line *unless* they were emitted by
|
|
// some other node, in which case we assume that the recursion
|
|
// was resolved then. We making the simplifying assumption that
|
|
// any duplicates on a single link line are on purpose, and must
|
|
// be preserved.
|
|
|
|
// This variable will keep track of the libraries that were
|
|
// emitted directory from the current node, and not from a
|
|
// recursive call. This way, if we come across a library that
|
|
// has already been emitted, we repeat it iff it has been
|
|
// emitted here.
|
|
std::set<cmStdString> emitted_here;
|
|
for( i = dep_on.rbegin(); i != dep_on.rend(); ++i )
|
|
{
|
|
if( emitted_here.find(*i) != emitted_here.end() )
|
|
{
|
|
// a repeat. Must emit.
|
|
emitted.insert(*i);
|
|
link_line.push_back( *i );
|
|
}
|
|
else
|
|
{
|
|
// Emit only if no-one else has
|
|
if( emitted.find(*i) == emitted.end() )
|
|
{
|
|
// emit dependencies
|
|
Emit( *i, dep_map, emitted, visited, link_line );
|
|
// emit self
|
|
emitted.insert(*i);
|
|
emitted_here.insert(*i);
|
|
link_line.push_back( *i );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
void cmTarget::GatherDependencies( const cmMakefile& mf,
|
|
const std::string& lib,
|
|
DependencyMap& dep_map )
|
|
{
|
|
// If the library is already in the dependency map, then it has
|
|
// already been fully processed.
|
|
if( dep_map.find(lib) != dep_map.end() )
|
|
return;
|
|
|
|
const char* deps = mf.GetDefinition( (lib+"_LIB_DEPENDS").c_str() );
|
|
if( deps && strcmp(deps,"") != 0 )
|
|
{
|
|
// Make sure this library is in the map, even if it has an empty
|
|
// set of dependencies. This distinguishes the case of explicitly
|
|
// no dependencies with that of unspecified dependencies.
|
|
dep_map[lib];
|
|
|
|
// Parse the dependency information, which is simply a set of
|
|
// libraries separated by ";". There is always a trailing ";".
|
|
std::string depline = deps;
|
|
std::string::size_type start = 0;
|
|
std::string::size_type end;
|
|
end = depline.find( ";", start );
|
|
while( end != std::string::npos )
|
|
{
|
|
std::string l = depline.substr( start, end-start );
|
|
if( l.size() != 0 )
|
|
{
|
|
InsertDependency( dep_map, lib, l );
|
|
GatherDependencies( mf, l, dep_map );
|
|
}
|
|
start = end+1; // skip the ;
|
|
end = depline.find( ";", start );
|
|
}
|
|
DeleteDependency( dep_map, lib, lib); // cannot depend on itself
|
|
}
|
|
}
|
|
|
|
|
|
void cmTarget::SetProperty(const char* prop, const char* value)
|
|
{
|
|
if (!prop)
|
|
{
|
|
return;
|
|
}
|
|
if (!value)
|
|
{
|
|
value = "NOTFOUND";
|
|
}
|
|
m_Properties[prop] = value;
|
|
}
|
|
|
|
const char* cmTarget::GetDirectory()
|
|
{
|
|
switch( this->GetType() )
|
|
{
|
|
case cmTarget::STATIC_LIBRARY:
|
|
case cmTarget::MODULE_LIBRARY:
|
|
case cmTarget::SHARED_LIBRARY:
|
|
m_Directory = m_Makefile->GetSafeDefinition("LIBRARY_OUTPUT_PATH");
|
|
break;
|
|
case cmTarget::EXECUTABLE:
|
|
m_Directory = m_Makefile->GetSafeDefinition("EXECUTABLE_OUTPUT_PATH");
|
|
break;
|
|
default:
|
|
return 0;
|
|
}
|
|
if(m_Directory.empty())
|
|
{
|
|
m_Directory = m_Makefile->GetStartOutputDirectory();
|
|
}
|
|
return m_Directory.c_str();
|
|
}
|
|
|
|
const char* cmTarget::GetLocation(const char* config)
|
|
{
|
|
m_Location = this->GetDirectory();
|
|
if(!m_Location.empty())
|
|
{
|
|
m_Location += "/";
|
|
}
|
|
const char* cfgid = m_Makefile->GetDefinition("CMAKE_CFG_INTDIR");
|
|
if(cfgid && strcmp(cfgid, ".") != 0)
|
|
{
|
|
m_Location += cfgid;
|
|
m_Location += "/";
|
|
}
|
|
m_Location += this->GetFullName(config);
|
|
return m_Location.c_str();
|
|
}
|
|
|
|
void cmTarget::UpdateLocation()
|
|
{
|
|
// make sure we have a makefile
|
|
if (!m_Makefile)
|
|
{
|
|
return;
|
|
}
|
|
|
|
// set the LOCATION property of the target
|
|
std::string target_location;
|
|
switch( this->GetType() )
|
|
{
|
|
case cmTarget::STATIC_LIBRARY:
|
|
case cmTarget::MODULE_LIBRARY:
|
|
case cmTarget::SHARED_LIBRARY:
|
|
target_location =
|
|
m_Makefile->GetSafeDefinition("LIBRARY_OUTPUT_PATH");
|
|
break;
|
|
case cmTarget::EXECUTABLE:
|
|
target_location =
|
|
m_Makefile->GetSafeDefinition("EXECUTABLE_OUTPUT_PATH");
|
|
break;
|
|
default:
|
|
return;
|
|
}
|
|
if ( target_location.size() == 0 )
|
|
{
|
|
target_location += m_Makefile->GetStartOutputDirectory();
|
|
}
|
|
if ( target_location.size() > 0 )
|
|
{
|
|
target_location += "/";
|
|
}
|
|
const char* cfgid = m_Makefile->GetDefinition("CMAKE_CFG_INTDIR");
|
|
if ( cfgid && strcmp(cfgid, ".") != 0 )
|
|
{
|
|
target_location += cfgid;
|
|
target_location += "/";
|
|
}
|
|
target_location += this->GetFullName();
|
|
this->SetProperty("LOCATION",target_location.c_str());
|
|
}
|
|
|
|
const char *cmTarget::GetProperty(const char* prop)
|
|
{
|
|
// watch for special "computed" properties that are dependent on other
|
|
// properties or variables, always recompute them
|
|
if (!strcmp(prop,"LOCATION"))
|
|
{
|
|
this->UpdateLocation();
|
|
}
|
|
|
|
// the type property returns what type the target is
|
|
if (!strcmp(prop,"TYPE"))
|
|
{
|
|
switch( this->GetType() )
|
|
{
|
|
case cmTarget::STATIC_LIBRARY:
|
|
return "STATIC_LIBRARY";
|
|
break;
|
|
case cmTarget::MODULE_LIBRARY:
|
|
return "MODULE_LIBRARY";
|
|
break;
|
|
case cmTarget::SHARED_LIBRARY:
|
|
return "SHARED_LIBRARY";
|
|
break;
|
|
case cmTarget::EXECUTABLE:
|
|
return "EXECUTABLE";
|
|
break;
|
|
case cmTarget::UTILITY:
|
|
return "UTILITY";
|
|
break;
|
|
case cmTarget::INSTALL_FILES:
|
|
return "INSTALL_FILES";
|
|
break;
|
|
case cmTarget::INSTALL_PROGRAMS:
|
|
return "INSTALL_PROGRAMS";
|
|
break;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
std::map<cmStdString,cmStdString>::const_iterator i =
|
|
m_Properties.find(prop);
|
|
if (i != m_Properties.end())
|
|
{
|
|
return i->second.c_str();
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
bool cmTarget::GetPropertyAsBool(const char* prop)
|
|
{
|
|
std::map<cmStdString,cmStdString>::const_iterator i =
|
|
m_Properties.find(prop);
|
|
if (i != m_Properties.end())
|
|
{
|
|
return cmSystemTools::IsOn(i->second.c_str());
|
|
}
|
|
return false;
|
|
}
|
|
|
|
const char* cmTarget::GetLinkerLanguage(cmGlobalGenerator* gg)
|
|
{
|
|
if(this->GetProperty("HAS_CXX"))
|
|
{
|
|
const_cast<cmTarget*>(this)->SetProperty("LINKER_LANGUAGE", "CXX");
|
|
}
|
|
const char* linkerLang = this->GetProperty("LINKER_LANGUAGE");
|
|
if(linkerLang)
|
|
{
|
|
return linkerLang;
|
|
}
|
|
std::set<cmStdString> languages;
|
|
for(std::vector<cmSourceFile*>::const_iterator i = m_SourceFiles.begin();
|
|
i != m_SourceFiles.end(); ++i)
|
|
{
|
|
const char* lang =
|
|
gg->GetLanguageFromExtension((*i)->GetSourceExtension().c_str());
|
|
if(lang)
|
|
{
|
|
languages.insert(lang);
|
|
}
|
|
}
|
|
if(languages.size() == 0)
|
|
{
|
|
return 0;
|
|
}
|
|
if(languages.size() == 1)
|
|
{
|
|
const_cast<cmTarget*>(this)->SetProperty("LINKER_LANGUAGE", languages.begin()->c_str());
|
|
return this->GetProperty("LINKER_LANGUAGE");
|
|
}
|
|
const char* prefLang = 0;
|
|
for(std::set<cmStdString>::const_iterator s = languages.begin();
|
|
s != languages.end(); ++s)
|
|
{
|
|
const char* lpref = gg->GetLinkerPreference(s->c_str());
|
|
if(lpref[0] == 'P')
|
|
{
|
|
if(prefLang && !(*s == prefLang))
|
|
{
|
|
std::string m = "Error Target: ";
|
|
m += m_Name + " Contains more than one Prefered language: ";
|
|
m += *s;
|
|
m += " and ";
|
|
m += prefLang;
|
|
m += "\nYou must set the LINKER_LANGUAGE property for this target.";
|
|
cmSystemTools::Error(m.c_str());
|
|
}
|
|
else
|
|
{
|
|
prefLang = s->c_str();
|
|
}
|
|
}
|
|
}
|
|
if(!prefLang)
|
|
{
|
|
prefLang = languages.begin()->c_str();
|
|
}
|
|
const_cast<cmTarget*>(this)->SetProperty("LINKER_LANGUAGE", prefLang);
|
|
return this->GetProperty("LINKER_LANGUAGE");
|
|
}
|
|
|
|
const char* cmTarget::GetCreateRuleVariable()
|
|
{
|
|
switch(this->GetType())
|
|
{
|
|
case cmTarget::STATIC_LIBRARY:
|
|
return "_CREATE_STATIC_LIBRARY";
|
|
case cmTarget::SHARED_LIBRARY:
|
|
return "_CREATE_SHARED_LIBRARY";
|
|
case cmTarget::MODULE_LIBRARY:
|
|
return "_CREATE_SHARED_MODULE";
|
|
case cmTarget::EXECUTABLE:
|
|
return "_LINK_EXECUTABLE";
|
|
case cmTarget::UTILITY:
|
|
case cmTarget::INSTALL_FILES:
|
|
case cmTarget::INSTALL_PROGRAMS:
|
|
break;
|
|
}
|
|
return "";
|
|
}
|
|
|
|
const char* cmTarget::GetSuffixVariable()
|
|
{
|
|
return this->GetSuffixVariableInternal(this->GetType());
|
|
}
|
|
|
|
const char* cmTarget::GetSuffixVariableInternal(TargetType type)
|
|
{
|
|
switch(type)
|
|
{
|
|
case cmTarget::STATIC_LIBRARY:
|
|
return "CMAKE_STATIC_LIBRARY_SUFFIX";
|
|
case cmTarget::SHARED_LIBRARY:
|
|
return "CMAKE_SHARED_LIBRARY_SUFFIX";
|
|
case cmTarget::MODULE_LIBRARY:
|
|
return "CMAKE_SHARED_MODULE_SUFFIX";
|
|
case cmTarget::EXECUTABLE:
|
|
return "CMAKE_EXECUTABLE_SUFFIX";
|
|
case cmTarget::UTILITY:
|
|
case cmTarget::INSTALL_FILES:
|
|
case cmTarget::INSTALL_PROGRAMS:
|
|
break;
|
|
}
|
|
return "";
|
|
}
|
|
|
|
|
|
const char* cmTarget::GetPrefixVariable()
|
|
{
|
|
return this->GetPrefixVariableInternal(this->GetType());
|
|
}
|
|
|
|
const char* cmTarget::GetPrefixVariableInternal(TargetType type)
|
|
{
|
|
switch(type)
|
|
{
|
|
case cmTarget::STATIC_LIBRARY:
|
|
return "CMAKE_STATIC_LIBRARY_PREFIX";
|
|
case cmTarget::SHARED_LIBRARY:
|
|
return "CMAKE_SHARED_LIBRARY_PREFIX";
|
|
case cmTarget::MODULE_LIBRARY:
|
|
return "CMAKE_SHARED_MODULE_PREFIX";
|
|
case cmTarget::EXECUTABLE:
|
|
case cmTarget::UTILITY:
|
|
case cmTarget::INSTALL_FILES:
|
|
case cmTarget::INSTALL_PROGRAMS:
|
|
break;
|
|
}
|
|
return "";
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
std::string cmTarget::GetFullName(const char* config)
|
|
{
|
|
return this->GetFullNameInternal(this->GetType(), config);
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
void cmTarget::GetFullName(std::string& prefix, std::string& base,
|
|
std::string& suffix, const char* config)
|
|
{
|
|
this->GetFullNameInternal(this->GetType(), config, prefix, base, suffix);
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
std::string cmTarget::GetFullPath(const char* config)
|
|
{
|
|
// Start with the output directory for the target.
|
|
std::string fpath = this->GetDirectory();
|
|
fpath += "/";
|
|
|
|
// Add the configuration's subdirectory. This may need to be replaced with
|
|
// a call into the generator found through m_Makefile so that each
|
|
// generator can map configuration names to output directories its own way.
|
|
if(config)
|
|
{
|
|
fpath += config;
|
|
fpath += "/";
|
|
}
|
|
|
|
// Add the full name of the target.
|
|
fpath += this->GetFullName(config);
|
|
return fpath;
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
std::string cmTarget::GetFullNameInternal(TargetType type, const char* config)
|
|
{
|
|
std::string prefix;
|
|
std::string base;
|
|
std::string suffix;
|
|
this->GetFullNameInternal(type, config, prefix, base, suffix);
|
|
return prefix+base+suffix;
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
void cmTarget::GetFullNameInternal(TargetType type,
|
|
const char* config,
|
|
std::string& outPrefix,
|
|
std::string& outBase,
|
|
std::string& outSuffix)
|
|
{
|
|
// Use just the target name for non-main target types.
|
|
if(type != cmTarget::STATIC_LIBRARY &&
|
|
type != cmTarget::SHARED_LIBRARY &&
|
|
type != cmTarget::MODULE_LIBRARY &&
|
|
type != cmTarget::EXECUTABLE)
|
|
{
|
|
outPrefix = "";
|
|
outBase = this->GetName();
|
|
outSuffix = "";
|
|
return;
|
|
}
|
|
|
|
// Compute the full name for main target types.
|
|
const char* targetPrefix = this->GetProperty("PREFIX");
|
|
const char* targetSuffix = this->GetProperty("SUFFIX");
|
|
const char* configPostfix = 0;
|
|
if(config && *config && type != cmTarget::EXECUTABLE)
|
|
{
|
|
std::string configVar = "CMAKE_";
|
|
configVar += config;
|
|
configVar += "_POSTFIX";
|
|
configVar = cmSystemTools::UpperCase(configVar);
|
|
configPostfix = m_Makefile->GetDefinition(configVar.c_str());
|
|
}
|
|
const char* prefixVar = this->GetPrefixVariableInternal(type);
|
|
const char* suffixVar = this->GetSuffixVariableInternal(type);
|
|
const char* ll =
|
|
this->GetLinkerLanguage(
|
|
m_Makefile->GetLocalGenerator()->GetGlobalGenerator());
|
|
// first try language specific suffix
|
|
if(ll)
|
|
{
|
|
if(!targetSuffix && suffixVar && *suffixVar)
|
|
{
|
|
std::string langSuff = suffixVar + std::string("_") + ll;
|
|
targetSuffix = m_Makefile->GetDefinition(langSuff.c_str());
|
|
}
|
|
if(!targetPrefix && prefixVar && *prefixVar)
|
|
{
|
|
std::string langPrefix = prefixVar + std::string("_") + ll;
|
|
targetPrefix = m_Makefile->GetDefinition(langPrefix.c_str());
|
|
}
|
|
}
|
|
|
|
// if there is no prefix on the target use the cmake definition
|
|
if(!targetPrefix && prefixVar)
|
|
{
|
|
targetPrefix = m_Makefile->GetSafeDefinition(prefixVar);
|
|
}
|
|
// if there is no suffix on the target use the cmake definition
|
|
if(!targetSuffix && suffixVar)
|
|
{
|
|
targetSuffix = m_Makefile->GetSafeDefinition(suffixVar);
|
|
}
|
|
|
|
// Begin the final name with the prefix.
|
|
outPrefix = targetPrefix?targetPrefix:"";
|
|
|
|
// Append the target name or property-specified name. Support this
|
|
// only for executable targets.
|
|
const char* outname = this->GetProperty("OUTPUT_NAME");
|
|
if(outname && type == cmTarget::EXECUTABLE)
|
|
{
|
|
outBase = outname;
|
|
}
|
|
else
|
|
{
|
|
outBase = this->GetName();
|
|
}
|
|
|
|
// Append the per-configuration postfix.
|
|
outBase += configPostfix?configPostfix:"";
|
|
|
|
// Append the suffix.
|
|
outSuffix = targetSuffix?targetSuffix:"";
|
|
}
|
|
|
|
void cmTarget::GetLibraryNames(std::string& name,
|
|
std::string& soName,
|
|
std::string& realName,
|
|
const char* config)
|
|
{
|
|
// Get the names based on the real type of the library.
|
|
this->GetLibraryNamesInternal(name, soName, realName, this->GetType(),
|
|
config);
|
|
}
|
|
|
|
void cmTarget::GetLibraryCleanNames(std::string& staticName,
|
|
std::string& sharedName,
|
|
std::string& sharedSOName,
|
|
std::string& sharedRealName,
|
|
const char* config)
|
|
{
|
|
// Get the name as if this were a static library.
|
|
std::string soName;
|
|
std::string realName;
|
|
this->GetLibraryNamesInternal(staticName, soName, realName,
|
|
cmTarget::STATIC_LIBRARY, config);
|
|
|
|
// Get the names as if this were a shared library.
|
|
if(this->GetType() == cmTarget::STATIC_LIBRARY)
|
|
{
|
|
// Since the real type is static then the user either specified
|
|
// STATIC or did not specify a type. In the former case the
|
|
// shared library will never be present. In the latter case the
|
|
// type will never be MODULE. Either way the only names that
|
|
// might have to be cleaned are the shared library names.
|
|
this->GetLibraryNamesInternal(sharedName, sharedSOName,
|
|
sharedRealName, cmTarget::SHARED_LIBRARY,
|
|
config);
|
|
}
|
|
else
|
|
{
|
|
// Use the name of the real type of the library (shared or module).
|
|
this->GetLibraryNamesInternal(sharedName, sharedSOName,
|
|
sharedRealName, this->GetType(),
|
|
config);
|
|
}
|
|
}
|
|
|
|
void cmTarget::GetLibraryNamesInternal(std::string& name,
|
|
std::string& soName,
|
|
std::string& realName,
|
|
TargetType type,
|
|
const char* config)
|
|
{
|
|
// Construct the name of the soname flag variable for this language.
|
|
const char* ll =
|
|
this->GetLinkerLanguage(
|
|
m_Makefile->GetLocalGenerator()->GetGlobalGenerator());
|
|
std::string sonameFlag = "CMAKE_SHARED_LIBRARY_SONAME";
|
|
if(ll)
|
|
{
|
|
sonameFlag += "_";
|
|
sonameFlag += ll;
|
|
}
|
|
sonameFlag += "_FLAG";
|
|
|
|
// Check for library version properties.
|
|
const char* version = this->GetProperty("VERSION");
|
|
const char* soversion = this->GetProperty("SOVERSION");
|
|
if((type != cmTarget::SHARED_LIBRARY && type != cmTarget::MODULE_LIBRARY) ||
|
|
!m_Makefile->GetDefinition(sonameFlag.c_str()))
|
|
{
|
|
// Versioning is supported only for shared libraries and modules,
|
|
// and then only when the platform supports an soname flag.
|
|
version = 0;
|
|
soversion = 0;
|
|
}
|
|
if(version && !soversion)
|
|
{
|
|
// The soversion must be set if the library version is set. Use
|
|
// the library version as the soversion.
|
|
soversion = version;
|
|
}
|
|
|
|
// The library name.
|
|
name = this->GetFullNameInternal(type, config);
|
|
|
|
// The library's soname.
|
|
soName = name;
|
|
if(soversion)
|
|
{
|
|
soName += ".";
|
|
soName += soversion;
|
|
}
|
|
|
|
// The library's real name on disk.
|
|
realName = name;
|
|
if(version)
|
|
{
|
|
realName += ".";
|
|
realName += version;
|
|
}
|
|
else if(soversion)
|
|
{
|
|
realName += ".";
|
|
realName += soversion;
|
|
}
|
|
}
|
|
|
|
void cmTarget::GetExecutableNames(std::string& name,
|
|
std::string& realName,
|
|
const char* config)
|
|
{
|
|
// Get the names based on the real type of the executable.
|
|
this->GetExecutableNamesInternal(name, realName, this->GetType(), config);
|
|
}
|
|
|
|
void cmTarget::GetExecutableCleanNames(std::string& name,
|
|
std::string& realName,
|
|
const char* config)
|
|
{
|
|
// Get the name and versioned name of this executable.
|
|
this->GetExecutableNamesInternal(name, realName, cmTarget::EXECUTABLE,
|
|
config);
|
|
}
|
|
|
|
void cmTarget::GetExecutableNamesInternal(std::string& name,
|
|
std::string& realName,
|
|
TargetType type,
|
|
const char* config)
|
|
{
|
|
// This versioning is supported only for executables and then only
|
|
// when the platform supports symbolic links.
|
|
#if defined(_WIN32) && !defined(__CYGWIN__)
|
|
const char* version = 0;
|
|
#else
|
|
// Check for executable version properties.
|
|
const char* version = this->GetProperty("VERSION");
|
|
if(type != cmTarget::EXECUTABLE)
|
|
{
|
|
version = 0;
|
|
}
|
|
#endif
|
|
|
|
// The executable name.
|
|
name = this->GetFullNameInternal(type, config);
|
|
|
|
// The executable's real name on disk.
|
|
realName = name;
|
|
if(version)
|
|
{
|
|
realName += "-";
|
|
realName += version;
|
|
}
|
|
}
|