CMake/Source/cmEnableLanguageCommand.cxx

/*============================================================================
  CMake - Cross Platform Makefile Generator
  Copyright 2000-2009 Kitware, Inc., Insight Software Consortium

  Distributed under the OSI-approved BSD License (the "License");
  see accompanying file Copyright.txt for details.

  This software is distributed WITHOUT ANY WARRANTY; without even the
  implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  See the License for more information.
============================================================================*/
#include "cmEnableLanguageCommand.h"

// cmEnableLanguageCommand
bool cmEnableLanguageCommand::InitialPass(std::vector<std::string> const& args,
                                          cmExecutionStatus&)
{
  bool optional = false;
  std::vector<std::string> languages;
  if (args.empty()) {
    this->SetError("called with incorrect number of arguments");
    return false;
  }
  for (std::vector<std::string>::const_iterator it = args.begin();
       it != args.end(); ++it) {
    if ((*it) == "OPTIONAL") {
      optional = true;
    } else {
      languages.push_back(*it);
    }
  }

  this->Makefile->EnableLanguage(languages, optional);
  return true;
}