Function cmProjectCommand

Source/cmProjectCommand.cxx:59–327

} // namespace

bool cmProjectCommand(std::vector<std::string> const& args,
                      cmExecutionStatus& status)
{
  std::vector<std::string> unparsedArgs;
  std::vector<cm::string_view> missingValueKeywords;
  std::vector<cm::string_view> parsedKeywords;
  ProjectArguments prArgs;
  ProjectArgumentParser parser;
  parser.BindKeywordMissingValue(missingValueKeywords)
    .BindParsedKeywords(parsedKeywords)
    .Bind("VERSION"_s, prArgs.Version)
    .Bind("COMPAT_VERSION"_s, prArgs.CompatVersion)
    .Bind("SPDX_LICENSE"_s, prArgs.License)
    .Bind("DESCRIPTION"_s, prArgs.Description)
    .Bind("HOMEPAGE_URL"_s, prArgs.HomepageURL)
    .Bind("LANGUAGES"_s, prArgs.Languages);

  if (args.empty()) {
    status.SetError("PROJECT called with incorrect number of arguments");
    return false;
  }

  cmMakefile& mf = status.GetMakefile();
  std::string const& projectName = args[0];
  if (parser.HasKeyword(projectName)) {
    mf.IssueMessage(
      MessageType::AUTHOR_WARNING,
      cmStrCat(
        "project() called with '", projectName,
        "' as first argument. The first parameter should be the project name, "
        "not a keyword argument. See the cmake-commands(7) manual for correct "
        "usage of the project() command."));
  }

  parser.Parse(cmMakeRange(args).advance(1), &unparsedArgs, 1);

  if (mf.IsRootMakefile() &&
      !mf.GetDefinition("CMAKE_MINIMUM_REQUIRED_VERSION")) {
    mf.IssueMessage(
      MessageType::AUTHOR_WARNING,
      "cmake_minimum_required() should be called prior to this top-level "
      "project() call. Please see the cmake-commands(7) manual for usage "
      "documentation of both commands.");
  }

  if (!IncludeByVariable(status, "CMAKE_PROJECT_INCLUDE_BEFORE")) {
    return false;
  }

  if (!IncludeByVariable(status,
                         "CMAKE_PROJECT_" + projectName + "_INCLUDE_BEFORE")) {
    return false;
  }

  mf.SetProjectName(projectName);

  cmPolicies::PolicyStatus cmp0180 = mf.GetPolicyStatus(cmPolicies::CMP0180);