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/*============================================================================
CMake - Cross Platform Makefile Generator
Copyright 2013 Stephen Kelly <steveire@gmail.com>
Distributed under the OSI-approved BSD License (the "License");
see accompanying file Copyright.txt for details.
This software is distributed WITHOUT ANY WARRANTY; without even the
implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the License for more information.
============================================================================*/
#include "cmExportTryCompileFileGenerator.h"
#include "cmGeneratedFileStream.h"
#include "cmGeneratorExpressionDAGChecker.h"
//----------------------------------------------------------------------------
bool cmExportTryCompileFileGenerator::GenerateMainFile(std::ostream& os)
{
std::set<cmTarget const*> emitted;
std::set<cmTarget const*> emittedDeps;
while(!this->Exports.empty())
{
cmTarget const* te = this->Exports.back();
this->Exports.pop_back();
if (emitted.insert(te).second)
{
emittedDeps.insert(te);
this->GenerateImportTargetCode(os, te);
ImportPropertyMap properties;
#define FIND_TARGETS(PROPERTY) \
this->FindTargets("INTERFACE_" #PROPERTY, te, emittedDeps);
CM_FOR_EACH_TRANSITIVE_PROPERTY_NAME(FIND_TARGETS)
this->PopulateProperties(te, properties, emittedDeps);
this->GenerateInterfaceProperties(te, os, properties);
}
}
return true;
}
std::string cmExportTryCompileFileGenerator::FindTargets(const char *propName,
cmTarget const* tgt,
std::set<cmTarget const*> &emitted)
{
const char *prop = tgt->GetProperty(propName);
if(!prop)
{
return std::string();
}
cmListFileBacktrace lfbt;
cmGeneratorExpression ge(lfbt);
cmGeneratorExpressionDAGChecker dagChecker(lfbt,
tgt->GetName(),
propName, 0, 0);
cmsys::auto_ptr<cmCompiledGeneratorExpression> cge = ge.Parse(prop);
cmTarget dummyHead;
dummyHead.SetType(cmTarget::EXECUTABLE, "try_compile_dummy_exe");
dummyHead.SetMakefile(tgt->GetMakefile());
std::string result = cge->Evaluate(tgt->GetMakefile(), this->Config,
false, &dummyHead, tgt, &dagChecker);
const std::set<cmTarget const*> &allTargets = cge->GetAllTargetsSeen();
for(std::set<cmTarget const*>::const_iterator li = allTargets.begin();
li != allTargets.end(); ++li)
{
if(emitted.insert(*li).second)
{
this->Exports.push_back(*li);
}
}
return result;
}
//----------------------------------------------------------------------------
void
cmExportTryCompileFileGenerator::PopulateProperties(cmTarget const* target,
ImportPropertyMap& properties,
std::set<cmTarget const*> &emitted)
{
cmPropertyMap props = target->GetProperties();
for(cmPropertyMap::const_iterator i = props.begin(); i != props.end(); ++i)
{
properties[i->first] = i->second.GetValue();
if(i->first.find("IMPORTED_LINK_INTERFACE_LIBRARIES") == 0
|| i->first.find("IMPORTED_LINK_DEPENDENT_LIBRARIES") == 0
|| i->first.find("INTERFACE_LINK_LIBRARIES") == 0)
{
const std::string libs = i->second.GetValue();
std::string evalResult = this->FindTargets(i->first.c_str(),
target, emitted);
std::vector<std::string> depends;
cmSystemTools::ExpandListArgument(evalResult, depends);
for(std::vector<std::string>::const_iterator li = depends.begin();
li != depends.end(); ++li)
{
cmTarget *tgt = target->GetMakefile()->FindTargetToUse(li->c_str());
if(tgt && emitted.insert(tgt).second)
{
this->Exports.push_back(tgt);
}
}
}
}
}
std::string
cmExportTryCompileFileGenerator::InstallNameDir(cmTarget* target,
const std::string& config)
{
std::string install_name_dir;
cmMakefile* mf = target->GetMakefile();
if(mf->IsOn("CMAKE_PLATFORM_HAS_INSTALLNAME"))
{
install_name_dir =
target->GetInstallNameDirForBuildTree(config.c_str());
}
return install_name_dir;
}
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