CMake/Source/cmExportTryCompileFileGener...

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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 "cmGlobalGenerator.h"
#include "cmLocalGenerator.h"
#include "cmGeneratorExpressionDAGChecker.h"
//----------------------------------------------------------------------------
cmExportTryCompileFileGenerator::cmExportTryCompileFileGenerator(
cmGlobalGenerator* gg,
const std::vector<std::string>& targets,
cmMakefile* mf)
{
gg->CreateImportedGenerationObjects(mf, targets, this->Exports);
}
bool cmExportTryCompileFileGenerator::GenerateMainFile(std::ostream& os)
{
std::set<cmGeneratorTarget const*> emitted;
std::set<cmGeneratorTarget const*> emittedDeps;
while(!this->Exports.empty())
{
cmGeneratorTarget 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)
#undef FIND_TARGETS
this->PopulateProperties(te, properties, emittedDeps);
this->GenerateInterfaceProperties(te, os, properties);
}
}
return true;
}
std::string cmExportTryCompileFileGenerator::FindTargets(
const std::string& propName,
cmGeneratorTarget const* tgt,
std::set<cmGeneratorTarget const*> &emitted)
{
const char *prop = tgt->GetProperty(propName);
if(!prop)
{
return std::string();
}
cmGeneratorExpression ge;
cmGeneratorExpressionDAGChecker dagChecker(
tgt->GetName(),
propName, 0, 0);
cmsys::auto_ptr<cmCompiledGeneratorExpression> cge = ge.Parse(prop);
cmTarget dummyHead;
dummyHead.SetType(cmState::EXECUTABLE, "try_compile_dummy_exe");
dummyHead.SetMakefile(tgt->Target->GetMakefile());
cmGeneratorTarget gDummyHead(&dummyHead, tgt->GetLocalGenerator());
std::string result = cge->Evaluate(tgt->GetLocalGenerator(), this->Config,
false, &gDummyHead,
tgt, &dagChecker);
const std::set<cmGeneratorTarget const*> &allTargets =
cge->GetAllTargetsSeen();
for(std::set<cmGeneratorTarget 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(
const cmGeneratorTarget* target,
ImportPropertyMap& properties,
std::set<cmGeneratorTarget const*> &emitted)
{
std::vector<std::string> props = target->GetPropertyKeys();
for(std::vector<std::string>::const_iterator i = props.begin();
i != props.end(); ++i)
{
properties[*i] = target->GetProperty(*i);
if(i->find("IMPORTED_LINK_INTERFACE_LIBRARIES") == 0
|| i->find("IMPORTED_LINK_DEPENDENT_LIBRARIES") == 0
|| i->find("INTERFACE_LINK_LIBRARIES") == 0)
{
std::string evalResult = this->FindTargets(*i,
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)
{
cmGeneratorTarget *tgt =
target->GetLocalGenerator()->FindGeneratorTargetToUse(*li);
if(tgt && emitted.insert(tgt).second)
{
this->Exports.push_back(tgt);
}
}
}
}
}
std::string
cmExportTryCompileFileGenerator::InstallNameDir(cmGeneratorTarget* target,
const std::string& config)
{
std::string install_name_dir;
cmMakefile* mf = target->Target->GetMakefile();
if(mf->IsOn("CMAKE_PLATFORM_HAS_INSTALLNAME"))
{
install_name_dir =
target->GetInstallNameDirForBuildTree(config);
}
return install_name_dir;
}