Method SetModuleVariables

Source/cmFindPackageCommand.cxx:1436–1517

}

void cmFindPackageCommand::SetModuleVariables()
{
  this->AddFindDefinition("CMAKE_FIND_PACKAGE_NAME", this->Name);

  // Nested find calls are not automatically required.
  this->AddFindDefinition("CMAKE_FIND_REQUIRED", ""_s);

  // Store the list of components and associated variable definitions.
  std::string components_var = this->Name + "_FIND_COMPONENTS";
  this->AddFindDefinition(components_var, this->Components);
  for (auto const& component : this->OptionalComponents) {
    this->AddFindDefinition(
      cmStrCat(this->Name, "_FIND_REQUIRED_"_s, component), "0"_s);
  }
  for (auto const& component : this->RequiredComponents) {
    this->AddFindDefinition(
      cmStrCat(this->Name, "_FIND_REQUIRED_"_s, component), "1"_s);
  }

  if (this->Quiet) {
    // Tell the module that is about to be read that it should find
    // quietly.
    std::string quietly = cmStrCat(this->Name, "_FIND_QUIETLY");
    this->AddFindDefinition(quietly, "1"_s);
  }

  if (this->IsRequired()) {
    // Tell the module that is about to be read that it should report
    // a fatal error if the package is not found.
    std::string req = cmStrCat(this->Name, "_FIND_REQUIRED");
    this->AddFindDefinition(req, "1"_s);
  }

  if (!this->VersionComplete.empty()) {
    std::string req = cmStrCat(this->Name, "_FIND_VERSION_COMPLETE");
    this->AddFindDefinition(req, this->VersionComplete);
  }

  // Tell the module that is about to be read what version of the
  // package has been requested.
  auto addDefinition = [this](std::string const& variable,
                              cm::string_view value) {
    this->AddFindDefinition(variable, value);
  };

  if (!this->Version.empty()) {
    auto prefix = cmStrCat(this->Name, "_FIND_VERSION"_s);
    this->SetVersionVariables(addDefinition, prefix, this->Version,
                              this->VersionCount, this->VersionMajor,
                              this->VersionMinor, this->VersionPatch,
                              this->VersionTweak);

    // Tell the module whether an exact version has been requested.
    auto exact = cmStrCat(this->Name, "_FIND_VERSION_EXACT");
    this->AddFindDefinition(exact, this->VersionExact ? "1"_s : "0"_s);
  }
  if (!this->VersionRange.empty()) {
    auto prefix = cmStrCat(this->Name, "_FIND_VERSION_MIN"_s);