511 lines
19 KiB
C++
511 lines
19 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 "cmMakefileLibraryTargetGenerator.h"
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#include "cmGeneratedFileStream.h"
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#include "cmGlobalGenerator.h"
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#include "cmLocalUnixMakefileGenerator3.h"
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#include "cmMakefile.h"
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#include "cmSourceFile.h"
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#include "cmTarget.h"
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//----------------------------------------------------------------------------
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void cmMakefileLibraryTargetGenerator::WriteRuleFiles()
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{
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// create the build.make file and directory, put in the common blocks
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this->CreateRuleFile();
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// Add in any rules for custom commands
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this->WriteCustomCommandsForTarget();
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// write in rules for object files
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this->WriteCommonCodeRules();
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// Write the dependency generation rule.
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this->WriteTargetDependRules();
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// write the link rules
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// Write the rule for this target type.
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switch(this->Target->GetType())
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{
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case cmTarget::STATIC_LIBRARY:
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this->WriteStaticLibraryRules();
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break;
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case cmTarget::SHARED_LIBRARY:
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this->WriteSharedLibraryRules(false);
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if(this->Target->NeedRelinkBeforeInstall())
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{
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// Write rules to link an installable version of the target.
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this->WriteSharedLibraryRules(true);
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}
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break;
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case cmTarget::MODULE_LIBRARY:
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this->WriteModuleLibraryRules(false);
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if(this->Target->NeedRelinkBeforeInstall())
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{
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// Write rules to link an installable version of the target.
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this->WriteModuleLibraryRules(true);
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}
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break;
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default:
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// If language is not known, this is an error.
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cmSystemTools::Error("Unknown Library Type");
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break;
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}
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// Write the requires target.
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this->WriteTargetRequiresRules();
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// Write clean target
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this->WriteTargetCleanRules();
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// close the streams
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this->CloseFileStreams();
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}
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//----------------------------------------------------------------------------
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void cmMakefileLibraryTargetGenerator::WriteStaticLibraryRules()
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{
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const char* linkLanguage =
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this->Target->GetLinkerLanguage(this->GlobalGenerator);
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std::string linkRuleVar = "CMAKE_";
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if (linkLanguage)
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{
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linkRuleVar += linkLanguage;
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}
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linkRuleVar += "_CREATE_STATIC_LIBRARY";
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std::string extraFlags;
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this->LocalGenerator->AppendFlags(extraFlags, this->Target->GetProperty("STATIC_LIBRARY_FLAGS"));
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this->WriteLibraryRules(linkRuleVar.c_str(), extraFlags.c_str(), false);
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}
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//----------------------------------------------------------------------------
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void cmMakefileLibraryTargetGenerator::WriteSharedLibraryRules(bool relink)
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{
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const char* linkLanguage =
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this->Target->GetLinkerLanguage(this->GlobalGenerator);
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std::string linkRuleVar = "CMAKE_";
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if (linkLanguage)
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{
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linkRuleVar += linkLanguage;
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}
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linkRuleVar += "_CREATE_SHARED_LIBRARY";
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std::string extraFlags;
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this->LocalGenerator->AppendFlags(extraFlags, this->Target->GetProperty("LINK_FLAGS"));
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this->LocalGenerator->AddConfigVariableFlags(extraFlags, "CMAKE_SHARED_LINKER_FLAGS",
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this->LocalGenerator->ConfigurationName.c_str());
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if(this->Makefile->IsOn("WIN32") && !(this->Makefile->IsOn("CYGWIN") || this->Makefile->IsOn("MINGW")))
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{
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const std::vector<cmSourceFile*>& sources = this->Target->GetSourceFiles();
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for(std::vector<cmSourceFile*>::const_iterator i = sources.begin();
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i != sources.end(); ++i)
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{
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if((*i)->GetSourceExtension() == "def")
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{
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extraFlags += " ";
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extraFlags += this->Makefile->GetSafeDefinition("CMAKE_LINK_DEF_FILE_FLAG");
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extraFlags +=
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this->Convert((*i)->GetFullPath().c_str(),cmLocalGenerator::START_OUTPUT,cmLocalGenerator::MAKEFILE);
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}
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}
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}
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this->WriteLibraryRules(linkRuleVar.c_str(), extraFlags.c_str(), relink);
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}
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//----------------------------------------------------------------------------
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void cmMakefileLibraryTargetGenerator::WriteModuleLibraryRules(bool relink)
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{
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const char* linkLanguage =
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this->Target->GetLinkerLanguage(this->GlobalGenerator);
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std::string linkRuleVar = "CMAKE_";
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if (linkLanguage)
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{
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linkRuleVar += linkLanguage;
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}
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linkRuleVar += "_CREATE_SHARED_MODULE";
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std::string extraFlags;
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this->LocalGenerator->AppendFlags(extraFlags, this->Target->GetProperty("LINK_FLAGS"));
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this->LocalGenerator->AddConfigVariableFlags(extraFlags, "CMAKE_MODULE_LINKER_FLAGS",
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this->LocalGenerator->ConfigurationName.c_str());
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// TODO: .def files should be supported here also.
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this->WriteLibraryRules(linkRuleVar.c_str(), extraFlags.c_str(), relink);
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}
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//----------------------------------------------------------------------------
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void cmMakefileLibraryTargetGenerator::WriteLibraryRules
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(const char* linkRuleVar, const char* extraFlags, bool relink)
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{
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// TODO: Merge the methods that call this method to avoid
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// code duplication.
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std::vector<std::string> commands;
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std::string relPath = this->LocalGenerator->GetHomeRelativeOutputPath();
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std::string objTarget;
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// Build list of dependencies.
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std::vector<std::string> depends;
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for(std::vector<std::string>::const_iterator obj = this->Objects.begin();
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obj != this->Objects.end(); ++obj)
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{
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objTarget = relPath;
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objTarget += *obj;
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depends.push_back(objTarget);
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}
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// Add dependencies on targets that must be built first.
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this->AppendTargetDepends(depends);
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// Add a dependency on the rule file itself.
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this->LocalGenerator->AppendRuleDepend(depends,
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this->BuildFileNameFull.c_str());
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for(std::vector<std::string>::const_iterator obj
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= this->ExternalObjects.begin();
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obj != this->ExternalObjects.end(); ++obj)
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{
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depends.push_back(*obj);
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}
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// Get the language to use for linking this library.
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const char* linkLanguage =
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this->Target->GetLinkerLanguage(this->GlobalGenerator);
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// Make sure we have a link language.
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if(!linkLanguage)
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{
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cmSystemTools::Error("Cannot determine link language for target \"",
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this->Target->GetName(), "\".");
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return;
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}
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// Create set of linking flags.
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std::string linkFlags;
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this->LocalGenerator->AppendFlags(linkFlags, extraFlags);
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// Construct the name of the library.
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std::string targetName;
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std::string targetNameSO;
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std::string targetNameReal;
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std::string targetNameImport;
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this->Target->GetLibraryNames(
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targetName, targetNameSO, targetNameReal, targetNameImport,
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this->LocalGenerator->ConfigurationName.c_str());
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// Construct the full path version of the names.
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std::string outpath = this->LocalGenerator->LibraryOutputPath;
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if(outpath.length() == 0)
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{
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outpath = this->Makefile->GetStartOutputDirectory();
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outpath += "/";
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}
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if(relink)
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{
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outpath = this->Makefile->GetStartOutputDirectory();
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outpath += "/CMakeFiles/CMakeRelink.dir";
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cmSystemTools::MakeDirectory(outpath.c_str());
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outpath += "/";
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}
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std::string targetFullPath = outpath + targetName;
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std::string targetFullPathSO = outpath + targetNameSO;
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std::string targetFullPathReal = outpath + targetNameReal;
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std::string targetFullPathImport = outpath + targetNameImport;
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// Construct the output path version of the names for use in command
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// arguments.
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std::string targetOutPath =
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this->Convert(targetFullPath.c_str(),cmLocalGenerator::START_OUTPUT,
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cmLocalGenerator::MAKEFILE);
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std::string targetOutPathSO =
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this->Convert(targetFullPathSO.c_str(),cmLocalGenerator::START_OUTPUT,
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cmLocalGenerator::MAKEFILE);
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std::string targetOutPathReal =
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this->Convert(targetFullPathReal.c_str(),cmLocalGenerator::START_OUTPUT,
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cmLocalGenerator::MAKEFILE);
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std::string targetOutPathImport =
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this->Convert(targetFullPathImport.c_str(),cmLocalGenerator::START_OUTPUT,
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cmLocalGenerator::MAKEFILE);
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// Add the link message.
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std::string buildEcho = "Linking ";
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buildEcho += linkLanguage;
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const char* forbiddenFlagVar = 0;
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switch(this->Target->GetType())
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{
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case cmTarget::STATIC_LIBRARY:
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buildEcho += " static library ";
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break;
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case cmTarget::SHARED_LIBRARY:
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forbiddenFlagVar = "_CREATE_SHARED_LIBRARY_FORBIDDEN_FLAGS";
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buildEcho += " shared library ";
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break;
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case cmTarget::MODULE_LIBRARY:
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forbiddenFlagVar = "_CREATE_SHARED_MODULE_FORBIDDEN_FLAGS";
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buildEcho += " shared module ";
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break;
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default:
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buildEcho += " library ";
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break;
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}
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buildEcho += targetOutPath.c_str();
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this->LocalGenerator->AppendEcho(commands, buildEcho.c_str());
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// Construct a list of files associated with this library that may
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// need to be cleaned.
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std::vector<std::string> libCleanFiles;
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{
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std::string cleanStaticName;
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std::string cleanSharedName;
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std::string cleanSharedSOName;
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std::string cleanSharedRealName;
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std::string cleanImportName;
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this->Target->GetLibraryCleanNames(
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cleanStaticName,
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cleanSharedName,
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cleanSharedSOName,
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cleanSharedRealName,
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cleanImportName,
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this->LocalGenerator->ConfigurationName.c_str());
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std::string cleanFullStaticName = outpath + cleanStaticName;
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std::string cleanFullSharedName = outpath + cleanSharedName;
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std::string cleanFullSharedSOName = outpath + cleanSharedSOName;
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std::string cleanFullSharedRealName = outpath + cleanSharedRealName;
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std::string cleanFullImportName = outpath + cleanImportName;
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libCleanFiles.push_back
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(this->Convert(cleanFullStaticName.c_str(),cmLocalGenerator::START_OUTPUT,
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cmLocalGenerator::UNCHANGED));
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if(cleanSharedRealName != cleanStaticName)
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{
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libCleanFiles.push_back(this->Convert(cleanFullSharedRealName.c_str(),
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cmLocalGenerator::START_OUTPUT,
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cmLocalGenerator::UNCHANGED));
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}
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if(cleanSharedSOName != cleanStaticName &&
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cleanSharedSOName != cleanSharedRealName)
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{
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libCleanFiles.push_back(this->Convert(cleanFullSharedSOName.c_str(),
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cmLocalGenerator::START_OUTPUT,
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cmLocalGenerator::UNCHANGED));
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}
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if(cleanSharedName != cleanStaticName &&
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cleanSharedName != cleanSharedSOName &&
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cleanSharedName != cleanSharedRealName)
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{
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libCleanFiles.push_back(this->Convert(cleanFullSharedName.c_str(),
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cmLocalGenerator::START_OUTPUT,
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cmLocalGenerator::UNCHANGED));
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}
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if(!cleanImportName.empty() &&
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cleanImportName != cleanStaticName &&
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cleanImportName != cleanSharedSOName &&
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cleanImportName != cleanSharedRealName &&
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cleanImportName != cleanSharedName)
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{
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libCleanFiles.push_back(this->Convert(cleanFullImportName.c_str(),
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cmLocalGenerator::START_OUTPUT,
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cmLocalGenerator::UNCHANGED));
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}
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}
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// Add a command to remove any existing files for this library.
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std::vector<std::string> commands1;
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this->LocalGenerator->AppendCleanCommand(commands1, libCleanFiles,
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*this->Target, "target");
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this->LocalGenerator->CreateCDCommand(commands1,
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this->Makefile->GetStartOutputDirectory(),
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this->Makefile->GetHomeOutputDirectory());
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commands.insert(commands.end(), commands1.begin(), commands1.end());
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commands1.clear();
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// Add the pre-build and pre-link rules building but not when relinking.
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if(!relink)
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{
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this->LocalGenerator
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->AppendCustomCommands(commands, this->Target->GetPreBuildCommands());
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this->LocalGenerator
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->AppendCustomCommands(commands, this->Target->GetPreLinkCommands());
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}
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// Construct the main link rule.
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std::string linkRule = this->Makefile->GetRequiredDefinition(linkRuleVar);
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cmSystemTools::ExpandListArgument(linkRule, commands1);
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this->LocalGenerator->CreateCDCommand(commands1,
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this->Makefile->GetStartOutputDirectory(),
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this->Makefile->GetHomeOutputDirectory());
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commands.insert(commands.end(), commands1.begin(), commands1.end());
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// Add a rule to create necessary symlinks for the library.
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if(targetOutPath != targetOutPathReal)
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{
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std::string symlink = "$(CMAKE_COMMAND) -E cmake_symlink_library ";
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symlink += targetOutPathReal;
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symlink += " ";
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symlink += targetOutPathSO;
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symlink += " ";
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symlink += targetOutPath;
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commands1.clear();
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commands1.push_back(symlink);
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this->LocalGenerator->CreateCDCommand(commands1,
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this->Makefile->GetStartOutputDirectory(),
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this->Makefile->GetHomeOutputDirectory());
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commands.insert(commands.end(), commands1.begin(), commands1.end());
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}
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// Add the post-build rules when building but not when relinking.
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if(!relink)
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{
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this->LocalGenerator->
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AppendCustomCommands(commands, this->Target->GetPostBuildCommands());
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}
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// Collect up flags to link in needed libraries.
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cmOStringStream linklibs;
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this->LocalGenerator->OutputLinkLibraries(linklibs, *this->Target, relink);
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// Construct object file lists that may be needed to expand the
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// rule.
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std::string variableName;
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std::string variableNameExternal;
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this->WriteObjectsVariable(variableName, variableNameExternal);
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std::string buildObjs = "$(";
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buildObjs += variableName;
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buildObjs += ") $(";
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buildObjs += variableNameExternal;
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buildObjs += ")";
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std::string cleanObjs = "$(";
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cleanObjs += variableName;
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cleanObjs += ")";
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cmLocalGenerator::RuleVariables vars;
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vars.Language = linkLanguage;
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vars.Objects = buildObjs.c_str();
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vars.Target = targetOutPathReal.c_str();
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std::string linkString = linklibs.str();
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vars.LinkLibraries = linkString.c_str();
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vars.ObjectsQuoted = buildObjs.c_str();
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vars.TargetSOName= targetNameSO.c_str();
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vars.LinkFlags = linkFlags.c_str();
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// Compute the directory portion of the install_name setting.
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std::string install_name_dir;
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if(this->Target->GetType() == cmTarget::SHARED_LIBRARY)
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{
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// Select whether to generate an install_name directory for the
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// install tree or the build tree.
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const char* config = this->LocalGenerator->ConfigurationName.c_str();
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if(this->Target->GetPropertyAsBool("BUILD_WITH_INSTALL_RPATH"))
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{
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install_name_dir =
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this->Target->GetInstallNameDirForInstallTree(config);
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}
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else
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{
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install_name_dir =
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this->Target->GetInstallNameDirForBuildTree(config);
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}
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// Set the rule variable replacement value.
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if(install_name_dir.empty())
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{
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vars.TargetInstallNameDir = "";
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}
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else
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{
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// Convert to a path for the native build tool.
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install_name_dir =
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this->LocalGenerator->Convert(install_name_dir.c_str(),
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cmLocalGenerator::FULL,
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cmLocalGenerator::SHELL, false);
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// The Convert method seems to strip trailing slashes, which should
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// probably be fixed. Since the only platform supporting install_name
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// right now uses forward slashes just add one.
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install_name_dir += "/";
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vars.TargetInstallNameDir = install_name_dir.c_str();
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}
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}
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std::string langFlags;
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this->LocalGenerator
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->AddLanguageFlags(langFlags, linkLanguage,
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this->LocalGenerator->ConfigurationName.c_str());
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// remove any language flags that might not work with the
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// particular os
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if(forbiddenFlagVar)
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{
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this->RemoveForbiddenFlags(forbiddenFlagVar,
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linkLanguage, langFlags);
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}
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vars.LanguageCompileFlags = langFlags.c_str();
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// Expand placeholders in the commands.
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this->LocalGenerator->TargetImplib = targetOutPathImport;
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for(std::vector<std::string>::iterator i = commands.begin();
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i != commands.end(); ++i)
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{
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this->LocalGenerator->ExpandRuleVariables(*i, vars);
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}
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this->LocalGenerator->TargetImplib = "";
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// Write the build rule.
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this->LocalGenerator->WriteMakeRule(*this->BuildFileStream, 0,
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targetFullPathReal.c_str(),
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depends, commands, false);
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// The symlink names for the target should depend on the real target
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// so if the target version changes it rebuilds and recreates the
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// symlinks.
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if(targetFullPathSO != targetFullPathReal)
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{
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depends.clear();
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commands.clear();
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depends.push_back(targetFullPathReal.c_str());
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this->LocalGenerator->WriteMakeRule(*this->BuildFileStream, 0,
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targetFullPathSO.c_str(),
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depends, commands, false);
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}
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if(targetFullPath != targetFullPathSO)
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{
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depends.clear();
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commands.clear();
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depends.push_back(targetFullPathSO.c_str());
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this->LocalGenerator->WriteMakeRule(*this->BuildFileStream, 0,
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targetFullPath.c_str(),
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depends, commands, false);
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}
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// Write convenience targets.
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std::string dir = this->Makefile->GetStartOutputDirectory();
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dir += "/";
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dir += this->LocalGenerator->GetTargetDirectory(*this->Target);
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std::string buildTargetRuleName = dir;
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buildTargetRuleName += relink?"/preinstall":"/build";
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buildTargetRuleName =
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this->Convert(buildTargetRuleName.c_str(),
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cmLocalGenerator::HOME_OUTPUT,cmLocalGenerator::MAKEFILE);
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this->LocalGenerator->WriteConvenienceRule(*this->BuildFileStream,
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targetFullPath.c_str(),
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buildTargetRuleName.c_str());
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// Clean all the possible library names and symlinks and object files.
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this->CleanFiles.insert(this->CleanFiles.end(),
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libCleanFiles.begin(),libCleanFiles.end());
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this->CleanFiles.insert(this->CleanFiles.end(),
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this->Objects.begin(),
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this->Objects.end());
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}
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