CMake/Source/cmExportTryCompileFileGenerator.cxx
2016-10-19 15:40:59 +02:00

131 lines
4.1 KiB
C++

/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file Copyright.txt or https://cmake.org/licensing for details. */
#include "cmExportTryCompileFileGenerator.h"
#include "cmGeneratorExpression.h"
#include "cmGeneratorExpressionDAGChecker.h"
#include "cmGeneratorTarget.h"
#include "cmGlobalGenerator.h"
#include "cmLocalGenerator.h"
#include "cmMakefile.h"
#include "cmStateTypes.h"
#include "cmSystemTools.h"
#include "cmTarget.h"
#include "cm_auto_ptr.hxx"
#include <map>
#include <utility>
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,
CM_NULLPTR, CM_NULLPTR);
CM_AUTO_PTR<cmCompiledGeneratorExpression> cge = ge.Parse(prop);
cmTarget dummyHead("try_compile_dummy_exe", cmStateEnums::EXECUTABLE,
cmTarget::VisibilityNormal, 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;
}