Function AppendCustomCommandToOutput

Source/cmLocalGenerator.cxx:5104–5148

}

void AppendCustomCommandToOutput(cmLocalGenerator& lg,
                                 cmListFileBacktrace const& lfbt,
                                 std::string const& output,
                                 std::vector<std::string> const& depends,
                                 cmImplicitDependsList const& implicit_depends,
                                 cmCustomCommandLines const& commandLines)
{
  // Lookup an existing command.
  cmSourceFile* sf = nullptr;
  if (cmGeneratorExpression::Find(output) == std::string::npos) {
    sf = lg.GetSourceFileWithOutput(output);
  } else {
    // This output path has a generator expression.  Evaluate it to
    // find the output for any configurations.
    for (std::string const& out :
         lg.ExpandCustomCommandOutputGenex(output, lfbt)) {
      sf = lg.GetSourceFileWithOutput(out);
      if (sf) {
        break;
      }
    }
  }

  if (sf) {
    if (cmCustomCommand* cc = sf->GetCustomCommand()) {
      cc->AppendCommands(commandLines);
      cc->AppendDepends(depends);
      if (cc->GetCodegen() && !implicit_depends.empty()) {
        lg.GetCMakeInstance()->IssueMessage(
          MessageType::FATAL_ERROR,
          "Cannot append IMPLICIT_DEPENDS to existing CODEGEN custom "
          "command.");
      }
      cc->AppendImplicitDepends(implicit_depends);
      return;
    }
  }

  // No existing command found.
  lg.GetCMakeInstance()->IssueMessage(
    MessageType::FATAL_ERROR,
    cmStrCat("Attempt to APPEND to custom command with output\n  ", output,
             "\nwhich is not already a custom command output."),
    lfbt);
}

void AddUtilityCommand(cmLocalGenerator& lg, cmCommandOrigin origin,
                       cmTarget* target, std::unique_ptr<cmCustomCommand> cc)