Method InitialPass

Source/cmFindPackageCommand.cxx:626–1080

}

bool cmFindPackageCommand::InitialPass(std::vector<std::string> const& args)
{
  if (args.empty()) {
    this->SetError("called with incorrect number of arguments");
    return false;
  }

  if (this->Makefile->GetStateSnapshot().GetUnwindState() ==
      cmStateEnums::UNWINDING) {
    this->SetError("called while already in an UNWIND state");
    return false;
  }

  // Lookup required version of CMake.
  if (cmValue const rv =
        this->Makefile->GetDefinition("CMAKE_MINIMUM_REQUIRED_VERSION")) {
    unsigned int v[3] = { 0, 0, 0 };
    std::sscanf(rv->c_str(), "%u.%u.%u", &v[0], &v[1], &v[2]);
    this->RequiredCMakeVersion = CMake_VERSION_ENCODE(v[0], v[1], v[2]);
  }

  // Lookup target architecture, if any.
  if (cmValue const arch =
        this->Makefile->GetDefinition("CMAKE_LIBRARY_ARCHITECTURE")) {
    this->LibraryArchitecture = *arch;
  }

  // Lookup whether lib32 paths should be used.
  if (this->Makefile->PlatformIs32Bit() &&
      this->Makefile->GetState()->GetGlobalPropertyAsBool(
        "FIND_LIBRARY_USE_LIB32_PATHS")) {
    this->UseLib32Paths = true;
  }

  // Lookup whether lib64 paths should be used.
  if (this->Makefile->PlatformIs64Bit() &&
      this->Makefile->GetState()->GetGlobalPropertyAsBool(
        "FIND_LIBRARY_USE_LIB64_PATHS")) {
    this->UseLib64Paths = true;
  }

  // Lookup whether libx32 paths should be used.
  if (this->Makefile->PlatformIsx32() &&
      this->Makefile->GetState()->GetGlobalPropertyAsBool(
        "FIND_LIBRARY_USE_LIBX32_PATHS")) {
    this->UseLibx32Paths = true;
  }

  // Check if User Package Registry should be disabled
  // The `CMAKE_FIND_USE_PACKAGE_REGISTRY` has
  // priority over the deprecated CMAKE_FIND_PACKAGE_NO_PACKAGE_REGISTRY
  if (cmValue const def =
        this->Makefile->GetDefinition("CMAKE_FIND_USE_PACKAGE_REGISTRY")) {
    this->NoUserRegistry = !def.IsOn();
  } else if (this->Makefile->IsOn("CMAKE_FIND_PACKAGE_NO_PACKAGE_REGISTRY")) {
    this->NoUserRegistry = true;
  }