227 lines
8.0 KiB
C++
227 lines
8.0 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 "cmGlobalVisualStudioGenerator.h"
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#include "cmLocalGenerator.h"
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#include "cmMakefile.h"
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#include "cmTarget.h"
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//----------------------------------------------------------------------------
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cmGlobalVisualStudioGenerator::cmGlobalVisualStudioGenerator()
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{
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}
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//----------------------------------------------------------------------------
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cmGlobalVisualStudioGenerator::~cmGlobalVisualStudioGenerator()
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{
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}
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//----------------------------------------------------------------------------
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void cmGlobalVisualStudioGenerator::Generate()
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{
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// Add a special target that depends on ALL projects for easy build
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// of one configuration only.
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const char* no_working_dir = 0;
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std::vector<std::string> no_depends;
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cmCustomCommandLines no_commands;
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std::map<cmStdString, std::vector<cmLocalGenerator*> >::iterator it;
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for(it = this->ProjectMap.begin(); it!= this->ProjectMap.end(); ++it)
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{
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std::vector<cmLocalGenerator*>& gen = it->second;
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// add the ALL_BUILD to the first local generator of each project
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if(gen.size())
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{
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// Use no actual command lines so that the target itself is not
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// considered always out of date.
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gen[0]->GetMakefile()->
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AddUtilityCommand("ALL_BUILD", true, no_working_dir,
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no_depends, no_commands, false,
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"Build all projects");
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}
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}
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// Fix utility dependencies to avoid linking to libraries.
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this->FixUtilityDepends();
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// Run all the local generators.
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this->cmGlobalGenerator::Generate();
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}
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//----------------------------------------------------------------------------
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void cmGlobalVisualStudioGenerator::FixUtilityDepends()
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{
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// For VS versions before 8:
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//
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// When a target that links contains a project-level dependency on a
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// library target that library is automatically linked. In order to
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// allow utility-style project-level dependencies that do not
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// actually link we need to automatically insert an intermediate
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// custom target.
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//
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// Here we edit the utility dependencies of a target to add the
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// intermediate custom target when necessary.
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for(unsigned i = 0; i < this->LocalGenerators.size(); ++i)
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{
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cmTargets* targets =
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&(this->LocalGenerators[i]->GetMakefile()->GetTargets());
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for(cmTargets::iterator tarIt = targets->begin();
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tarIt != targets->end(); ++tarIt)
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{
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this->FixUtilityDependsForTarget(tarIt->second);
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}
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}
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}
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//----------------------------------------------------------------------------
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void
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cmGlobalVisualStudioGenerator::FixUtilityDependsForTarget(cmTarget& target)
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{
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// Only targets that link need to be fixed.
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if(target.GetType() != cmTarget::STATIC_LIBRARY &&
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target.GetType() != cmTarget::SHARED_LIBRARY &&
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target.GetType() != cmTarget::MODULE_LIBRARY &&
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target.GetType() != cmTarget::EXECUTABLE)
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{
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return;
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}
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// Look at each utility dependency.
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for(std::set<cmStdString>::const_iterator ui =
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target.GetUtilities().begin();
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ui != target.GetUtilities().end(); ++ui)
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{
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if(cmTarget* depTarget = this->FindTarget(0, ui->c_str(), false))
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{
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if(depTarget->GetType() == cmTarget::STATIC_LIBRARY ||
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depTarget->GetType() == cmTarget::SHARED_LIBRARY ||
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depTarget->GetType() == cmTarget::MODULE_LIBRARY)
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{
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// This utility dependency will cause an attempt to link. If
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// the depender does not already link the dependee we need an
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// intermediate target.
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if(!this->CheckTargetLinks(target, ui->c_str()))
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{
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this->CreateUtilityDependTarget(*depTarget);
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}
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}
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}
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}
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}
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//----------------------------------------------------------------------------
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void
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cmGlobalVisualStudioGenerator::CreateUtilityDependTarget(cmTarget& target)
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{
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// This target is a library on which a utility dependency exists.
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// We need to create an intermediate custom target to hook up the
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// dependency without causing a link.
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const char* altName = target.GetProperty("ALTERNATIVE_DEPENDENCY_NAME");
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if(!altName)
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{
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// Create the intermediate utility target.
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std::string altNameStr = target.GetName();
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altNameStr += "_UTILITY";
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const std::vector<std::string> no_depends;
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cmCustomCommandLines no_commands;
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const char* no_working_dir = 0;
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const char* no_comment = 0;
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target.GetMakefile()->AddUtilityCommand(altNameStr.c_str(), true,
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no_working_dir, no_depends,
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no_commands, false, no_comment);
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target.SetProperty("ALTERNATIVE_DEPENDENCY_NAME", altNameStr.c_str());
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// Most targets have a GUID created in ConfigureFinalPass. Since
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// that has already been called, create one for this target now.
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this->CreateGUID(altNameStr.c_str());
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// The intermediate target should depend on the original target.
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if(cmTarget* alt = this->FindTarget(0, altNameStr.c_str(), false))
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{
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alt->AddUtility(target.GetName());
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}
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}
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}
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//----------------------------------------------------------------------------
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bool cmGlobalVisualStudioGenerator::CheckTargetLinks(cmTarget& target,
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const char* name)
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{
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// Return whether the given target links to a target with the given name.
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if(target.GetType() == cmTarget::STATIC_LIBRARY)
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{
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// Static libraries never link to anything.
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return false;
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}
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cmTarget::LinkLibraryVectorType const& libs = target.GetLinkLibraries();
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for(cmTarget::LinkLibraryVectorType::const_iterator i = libs.begin();
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i != libs.end(); ++i)
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{
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if(i->first == name)
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{
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return true;
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}
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}
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return false;
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}
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//----------------------------------------------------------------------------
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const char*
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cmGlobalVisualStudioGenerator::GetUtilityForTarget(cmTarget& target,
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const char* name)
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{
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// Handle the external MS project special case.
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if(strncmp(name, "INCLUDE_EXTERNAL_MSPROJECT", 26) == 0)
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{
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// Note from Ken:
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// kind of weird removing the first 27 letters. my
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// recommendatsions: use cmCustomCommand::GetCommand() to get the
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// project name or get rid of the target name starting with
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// "INCLUDE_EXTERNAL_MSPROJECT_" and use another indicator/flag
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// somewhere. These external project names shouldn't conflict
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// with cmake target names anyways.
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return name+27;
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}
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// Possibly depend on an intermediate utility target to avoid
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// linking.
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if(target.GetType() == cmTarget::STATIC_LIBRARY ||
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target.GetType() == cmTarget::SHARED_LIBRARY ||
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target.GetType() == cmTarget::MODULE_LIBRARY ||
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target.GetType() == cmTarget::EXECUTABLE)
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{
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// The depender is a target that links. Lookup the dependee to
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// see if it provides an alternative dependency name.
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if(cmTarget* depTarget = this->FindTarget(0, name, false))
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{
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// Check for an alternative name created by FixUtilityDepends.
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if(const char* altName =
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depTarget->GetProperty("ALTERNATIVE_DEPENDENCY_NAME"))
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{
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// The alternative name is needed only if the depender does
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// not really link to the dependee.
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if(!this->CheckTargetLinks(target, name))
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{
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return altName;
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}
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}
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}
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}
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// No special case. Just use the original dependency name.
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return name;
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}
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