Source/cmEnableLanguageCommand.h

   1 /*=========================================================================
   2
   3   Program:   CMake - Cross-Platform Makefile Generator
   4   Module:    $RCSfile: cmEnableLanguageCommand.h,v $
   5   Language:  C++
   6   Date:      $Date: 2009-09-03 19:29:29 $
   7   Version:   $Revision: 1.9 $
   8
   9   Copyright (c) 2002 Kitware, Inc., Insight Consortium.  All rights reserved.
  10   See Copyright.txt or http://www.cmake.org/HTML/Copyright.html for details.
  11
  12      This software is distributed WITHOUT ANY WARRANTY; without even
  13      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
  14      PURPOSE.  See the above copyright notices for more information.
  15
  16 =========================================================================*/
  17 #ifndef cmEnableLanguageCommand_h
  18 #define cmEnableLanguageCommand_h
  19
  20 #include "cmCommand.h"
  21
  22 /** \class cmEnableLanguageCommand
  23  * \brief Specify the name for this build project.
  24  *
  25  * cmEnableLanguageCommand is used to specify a name for this build project.
  26  * It is defined once per set of CMakeList.txt files (including
  27  * all subdirectories). Currently it just sets the name of the workspace
  28  * file for Microsoft Visual C++
  29  */
  30 class cmEnableLanguageCommand : public cmCommand
  31 {
  32 public:
  33   /**
  34    * This is a virtual constructor for the command.
  35    */
  36   virtual cmCommand* Clone()
  37     {
  38     return new cmEnableLanguageCommand;
  39     }
  40
  41   /**
  42    * This is called when the command is first encountered in
  43    * the CMakeLists.txt file.
  44    */
  45   virtual bool InitialPass(std::vector<std::string> const& args,
  46                            cmExecutionStatus &status);
  47
  48   /**
  49    * The name of the command as specified in CMakeList.txt.
  50    */
  51   virtual const char* GetName() {return "enable_language";}
  52
  53   /**
  54    * Succinct documentation.
  55    */
  56   virtual const char* GetTerseDocumentation()
  57     {
  58     return "Enable a language (CXX/C/Fortran/etc)";
  59     }
  60
  61   /**
  62    * More documentation.
  63    */
  64   virtual const char* GetFullDocumentation()
  65     {
  66     return
  67       "  enable_language(languageName [OPTIONAL] )\n"
  68       "This command enables support for the named language in CMake. "
  69       "This is the same as the project command but does not create "
  70       "any of the extra variables that are created by the project command. "
  71       "Example languages are CXX, C, Fortran. "
  72       "If OPTIONAL is used, use the CMAKE_<languageName>_COMPILER_WORKS "
  73       "variable to check whether the language has been enabled successfully.";
  74     }
  75
  76   cmTypeMacro(cmEnableLanguageCommand, cmCommand);
  77 };
  78
  79
  80
  81 #endif