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115 lines
3.8 KiB
115 lines
3.8 KiB
12 years ago
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/*============================================================================
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CMake - Cross Platform Makefile Generator
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Copyright 2013 Stephen Kelly <steveire@gmail.com>
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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 "cmExportTryCompileFileGenerator.h"
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#include "cmGeneratedFileStream.h"
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#include "cmGeneratorExpressionDAGChecker.h"
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//----------------------------------------------------------------------------
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bool cmExportTryCompileFileGenerator::GenerateMainFile(std::ostream& os)
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{
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std::set<cmTarget*> emitted;
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std::set<cmTarget*> emittedDeps;
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while(!this->Exports.empty())
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{
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cmTarget* te = this->Exports.back();
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this->Exports.pop_back();
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if (emitted.insert(te).second)
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{
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emittedDeps.insert(te);
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this->GenerateImportTargetCode(os, te);
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ImportPropertyMap properties;
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this->FindTargets("INTERFACE_INCLUDE_DIRECTORIES", te, emittedDeps);
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this->FindTargets("INTERFACE_COMPILE_DEFINITIONS", te, emittedDeps);
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this->PopulateProperties(te, properties, emittedDeps);
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this->GenerateInterfaceProperties(te, os, properties);
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}
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}
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return true;
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}
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std::string cmExportTryCompileFileGenerator::FindTargets(const char *propName,
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cmTarget *tgt,
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std::set<cmTarget*> &emitted)
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{
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const char *prop = tgt->GetProperty(propName);
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if(!prop)
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{
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return std::string();
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}
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cmListFileBacktrace lfbt;
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cmGeneratorExpression ge(lfbt);
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cmGeneratorExpressionDAGChecker dagChecker(lfbt,
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tgt->GetName(),
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propName, 0, 0);
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cmsys::auto_ptr<cmCompiledGeneratorExpression> cge = ge.Parse(prop);
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cmTarget dummyHead;
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dummyHead.SetType(cmTarget::EXECUTABLE, "try_compile_dummy_exe");
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dummyHead.SetMakefile(tgt->GetMakefile());
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std::string result = cge->Evaluate(tgt->GetMakefile(), this->Config,
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false, &dummyHead, tgt, &dagChecker);
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const std::set<cmTarget*> &allTargets = cge->GetAllTargetsSeen();
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for(std::set<cmTarget*>::const_iterator li = allTargets.begin();
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li != allTargets.end(); ++li)
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{
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if(emitted.insert(*li).second)
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{
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this->Exports.push_back(*li);
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}
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}
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return result;
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}
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//----------------------------------------------------------------------------
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void
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cmExportTryCompileFileGenerator::PopulateProperties(cmTarget* target,
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ImportPropertyMap& properties,
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std::set<cmTarget*> &emitted)
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{
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cmPropertyMap props = target->GetProperties();
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for(cmPropertyMap::const_iterator i = props.begin(); i != props.end(); ++i)
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{
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properties[i->first] = i->second.GetValue();
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if(i->first.find("IMPORTED_LINK_INTERFACE_LIBRARIES") == 0)
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{
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const std::string libs = i->second.GetValue();
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std::string evalResult = this->FindTargets(i->first.c_str(),
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target, emitted);
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std::vector<std::string> depends;
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cmSystemTools::ExpandListArgument(evalResult, depends);
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for(std::vector<std::string>::const_iterator li = depends.begin();
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li != depends.end(); ++li)
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{
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cmTarget *tgt = target->GetMakefile()->FindTargetToUse(li->c_str());
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if(tgt && emitted.insert(tgt).second)
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{
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this->Exports.push_back(tgt);
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}
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}
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}
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}
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}
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