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/* 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 "cmStringAlgorithms.h"
#include "cmTarget.h"
#include <map>
#include <memory>
#include <utility>
cmExportTryCompileFileGenerator::cmExportTryCompileFileGenerator(
cmGlobalGenerator* gg, const std::vector<std::string>& targets,
cmMakefile* mf, std::set<std::string> const& langs)
: Languages(langs.begin(), langs.end())
{
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, te->GetType());
ImportPropertyMap properties;
for (std::string const& lang : this->Languages) {
#define FIND_TARGETS(PROPERTY) \
this->FindTargets("INTERFACE_" #PROPERTY, te, lang, 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::string const& language, std::set<cmGeneratorTarget const*>& emitted)
{
const char* prop = tgt->GetProperty(propName);
if (!prop) {
return std::string();
}
cmGeneratorExpression ge;
cmGeneratorExpressionDAGChecker dagChecker(tgt, propName, nullptr, nullptr);
std::unique_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, language);
const std::set<cmGeneratorTarget const*>& allTargets =
cge->GetAllTargetsSeen();
for (cmGeneratorTarget const* target : allTargets) {
if (emitted.insert(target).second) {
this->Exports.push_back(target);
}
}
return result;
}
void cmExportTryCompileFileGenerator::PopulateProperties(
const cmGeneratorTarget* target, ImportPropertyMap& properties,
std::set<cmGeneratorTarget const*>& emitted)
{
std::vector<std::string> props = target->GetPropertyKeys();
for (std::string const& p : props) {
properties[p] = target->GetProperty(p);
if (p.find("IMPORTED_LINK_INTERFACE_LIBRARIES") == 0 ||
p.find("IMPORTED_LINK_DEPENDENT_LIBRARIES") == 0 ||
p.find("INTERFACE_LINK_LIBRARIES") == 0) {
std::string evalResult =
this->FindTargets(p, target, std::string(), emitted);
std::vector<std::string> depends = cmExpandedList(evalResult);
for (std::string const& li : depends) {
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;
}
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