Method GenerateMainFile

Source/cmExportInstallCMakeConfigGenerator.cxx:49–137

}

bool cmExportInstallCMakeConfigGenerator::GenerateMainFile(std::ostream& os)
{
  std::vector<cmTargetExport const*> allTargets;
  {
    std::string expectedTargets;
    std::string sep;
    auto visitor = [&](cmTargetExport const* te) {
      allTargets.push_back(te);
      expectedTargets += sep + this->Namespace + te->Target->GetExportName();
      sep = " ";
    };

    if (!this->CollectExports(visitor)) {
      return false;
    }

    this->GenerateExpectedTargetsCode(os, expectedTargets);
  }

  // Compute the relative import prefix for the file
  this->GenerateImportPrefix(os);

  bool requiresConfigFiles = false;
  // Create all the imported targets.
  for (cmTargetExport const* te : allTargets) {
    cmGeneratorTarget* gt = te->Target;
    cmStateEnums::TargetType targetType = this->GetExportTargetType(te);

    requiresConfigFiles =
      requiresConfigFiles || targetType != cmStateEnums::INTERFACE_LIBRARY;

    this->GenerateImportTargetCode(os, gt, targetType);

    ImportPropertyMap properties;
    if (!this->PopulateInterfaceProperties(te, properties)) {
      return false;
    }

    if (this->PopulateInterfaceLinkLibrariesProperty(
          gt, cmGeneratorExpression::InstallInterface, properties) &&
        !this->ExportOld) {
      this->SetRequiredCMakeVersion(2, 8, 12);
    }
    if (targetType == cmStateEnums::INTERFACE_LIBRARY) {
      this->SetRequiredCMakeVersion(3, 0, 0);
    }
    if (gt->GetProperty("INTERFACE_SOURCES")) {
      // We can only generate INTERFACE_SOURCES in CMake 3.3, but CMake 3.1
      // can consume them.
      this->SetRequiredCMakeVersion(3, 1, 0);
    }

    this->GenerateInterfaceProperties(gt, os, properties);

    this->GenerateTargetFileSets(gt, os, te);
  }

  this->LoadConfigFiles(os);