mirror of
https://github.com/Kitware/CMake.git
synced 2026-05-03 21:00:01 -05:00
Brad King
b87d7a60a0
This library type can compile sources to object files but does not link or archive them. It will be useful to reference from executable and normal library targets for direct inclusion of object files in them. Diagnose and reject the following as errors: * An OBJECT library may not be referenced in target_link_libraries. * An OBJECT library may contain only compiling sources and supporting headers and custom commands. Other source types that are not normally ignored are not allowed. * An OBJECT library may not have PRE_BUILD, PRE_LINK, or POST_BUILD commands. * An OBJECT library may not be installed, exported, or imported. Some of these cases may be supported in the future but are not for now. Teach the VS generator that OBJECT_LIBRARY targets are "linkable" just like STATIC_LIBRARY targets for the LinkLibraryDependencies behavior.
96 lines
3.3 KiB
C++
96 lines
3.3 KiB
C++
/*============================================================================
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CMake - Cross Platform Makefile Generator
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Copyright 2000-2012 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 "cmGeneratorTarget.h"
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#include "cmTarget.h"
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#include "cmMakefile.h"
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#include "cmLocalGenerator.h"
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#include "cmGlobalGenerator.h"
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#include "cmSourceFile.h"
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//----------------------------------------------------------------------------
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cmGeneratorTarget::cmGeneratorTarget(cmTarget* t): Target(t)
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{
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this->Makefile = this->Target->GetMakefile();
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this->LocalGenerator = this->Makefile->GetLocalGenerator();
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this->GlobalGenerator = this->LocalGenerator->GetGlobalGenerator();
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this->ClassifySources();
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}
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//----------------------------------------------------------------------------
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void cmGeneratorTarget::ClassifySources()
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{
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bool isObjLib = this->Target->GetType() == cmTarget::OBJECT_LIBRARY;
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std::vector<cmSourceFile*> badObjLib;
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std::vector<cmSourceFile*> const& sources = this->Target->GetSourceFiles();
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for(std::vector<cmSourceFile*>::const_iterator si = sources.begin();
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si != sources.end(); ++si)
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{
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cmSourceFile* sf = *si;
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cmTarget::SourceFileFlags tsFlags =
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this->Target->GetTargetSourceFileFlags(sf);
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if(sf->GetCustomCommand())
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{
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this->CustomCommands.push_back(sf);
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}
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else if(tsFlags.Type != cmTarget::SourceFileTypeNormal)
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{
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this->OSXContent.push_back(sf);
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if(isObjLib) { badObjLib.push_back(sf); }
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}
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else if(sf->GetPropertyAsBool("HEADER_FILE_ONLY"))
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{
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this->HeaderSources.push_back(sf);
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}
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else if(sf->GetPropertyAsBool("EXTERNAL_OBJECT"))
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{
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this->ExternalObjects.push_back(sf);
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if(isObjLib) { badObjLib.push_back(sf); }
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}
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else if(cmSystemTools::LowerCase(sf->GetExtension()) == "def")
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{
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this->ModuleDefinitionFile = sf->GetFullPath();
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if(isObjLib) { badObjLib.push_back(sf); }
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}
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else if(this->GlobalGenerator->IgnoreFile(sf->GetExtension().c_str()))
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{
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// We only get here if a source file is not an external object
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// and has an extension that is listed as an ignored file type.
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// No message or diagnosis should be given.
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}
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else if(sf->GetLanguage())
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{
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this->ObjectSources.push_back(sf);
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}
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else
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{
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this->ExtraSources.push_back(sf);
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if(isObjLib) { badObjLib.push_back(sf); }
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}
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}
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if(!badObjLib.empty())
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{
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cmOStringStream e;
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e << "OBJECT library \"" << this->Target->GetName() << "\" contains:\n";
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for(std::vector<cmSourceFile*>::iterator i = badObjLib.begin();
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i != badObjLib.end(); ++i)
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{
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e << " " << (*i)->GetLocation().GetName() << "\n";
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}
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e << "but may contain only headers and sources that compile.";
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this->GlobalGenerator->GetCMakeInstance()
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->IssueMessage(cmake::FATAL_ERROR, e.str(),
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this->Target->GetBacktrace());
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}
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}
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