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140 lines
4.5 KiB
140 lines
4.5 KiB
/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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file Copyright.txt or https://cmake.org/licensing for details. */
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#include "cmExportTryCompileFileGenerator.h"
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#include <map>
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#include <utility>
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#include <cm/memory>
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#include "cmGeneratorExpression.h"
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#include "cmGeneratorExpressionDAGChecker.h"
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#include "cmGeneratorTarget.h"
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#include "cmGlobalGenerator.h"
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#include "cmLocalGenerator.h"
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#include "cmMakefile.h"
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#include "cmProperty.h"
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#include "cmStateTypes.h"
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#include "cmStringAlgorithms.h"
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#include "cmTarget.h"
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cmExportTryCompileFileGenerator::cmExportTryCompileFileGenerator(
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cmGlobalGenerator* gg, const std::vector<std::string>& targets,
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cmMakefile* mf, std::set<std::string> const& langs)
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: Languages(langs.begin(), langs.end())
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{
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gg->CreateImportedGenerationObjects(mf, targets, this->Exports);
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}
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bool cmExportTryCompileFileGenerator::GenerateMainFile(std::ostream& os)
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{
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std::set<cmGeneratorTarget const*> emitted;
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std::set<cmGeneratorTarget const*> emittedDeps;
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while (!this->Exports.empty()) {
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cmGeneratorTarget const* 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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emittedDeps.insert(te);
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this->GenerateImportTargetCode(os, te, te->GetType());
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ImportPropertyMap properties;
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for (std::string const& lang : this->Languages) {
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#define FIND_TARGETS(PROPERTY) \
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this->FindTargets("INTERFACE_" #PROPERTY, te, lang, emittedDeps);
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CM_FOR_EACH_TRANSITIVE_PROPERTY_NAME(FIND_TARGETS)
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#undef FIND_TARGETS
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}
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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(
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const std::string& propName, cmGeneratorTarget const* tgt,
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std::string const& language, std::set<cmGeneratorTarget const*>& emitted)
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{
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cmProp prop = tgt->GetProperty(propName);
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if (!prop) {
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return std::string();
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}
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cmGeneratorExpression ge;
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std::unique_ptr<cmGeneratorExpressionDAGChecker> parentDagChecker;
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if (propName == "INTERFACE_LINK_OPTIONS") {
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// To please constraint checks of DAGChecker, this property must have
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// LINK_OPTIONS property as parent
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parentDagChecker = cm::make_unique<cmGeneratorExpressionDAGChecker>(
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tgt, "LINK_OPTIONS", nullptr, nullptr);
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}
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cmGeneratorExpressionDAGChecker dagChecker(tgt, propName, nullptr,
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parentDagChecker.get());
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std::unique_ptr<cmCompiledGeneratorExpression> cge = ge.Parse(*prop);
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cmTarget dummyHead("try_compile_dummy_exe", cmStateEnums::EXECUTABLE,
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cmTarget::VisibilityNormal, tgt->Target->GetMakefile(),
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cmTarget::PerConfig::Yes);
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cmGeneratorTarget gDummyHead(&dummyHead, tgt->GetLocalGenerator());
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std::string result = cge->Evaluate(tgt->GetLocalGenerator(), this->Config,
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&gDummyHead, &dagChecker, tgt, language);
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const std::set<cmGeneratorTarget const*>& allTargets =
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cge->GetAllTargetsSeen();
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for (cmGeneratorTarget const* target : allTargets) {
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if (emitted.insert(target).second) {
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this->Exports.push_back(target);
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}
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}
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return result;
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}
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void cmExportTryCompileFileGenerator::PopulateProperties(
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const cmGeneratorTarget* target, ImportPropertyMap& properties,
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std::set<cmGeneratorTarget const*>& emitted)
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{
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std::vector<std::string> props = target->GetPropertyKeys();
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for (std::string const& p : props) {
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properties[p] = *target->GetProperty(p);
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if (cmHasLiteralPrefix(p, "IMPORTED_LINK_INTERFACE_LIBRARIES") ||
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cmHasLiteralPrefix(p, "IMPORTED_LINK_DEPENDENT_LIBRARIES") ||
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cmHasLiteralPrefix(p, "INTERFACE_LINK_LIBRARIES")) {
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std::string evalResult =
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this->FindTargets(p, target, std::string(), emitted);
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std::vector<std::string> depends = cmExpandedList(evalResult);
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for (std::string const& li : depends) {
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cmGeneratorTarget* tgt =
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target->GetLocalGenerator()->FindGeneratorTargetToUse(li);
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if (tgt && emitted.insert(tgt).second) {
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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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std::string cmExportTryCompileFileGenerator::InstallNameDir(
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cmGeneratorTarget* target, const std::string& config)
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{
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std::string install_name_dir;
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cmMakefile* mf = target->Target->GetMakefile();
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if (mf->IsOn("CMAKE_PLATFORM_HAS_INSTALLNAME")) {
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install_name_dir = target->GetInstallNameDirForBuildTree(config);
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}
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return install_name_dir;
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}
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