Source/cmAddSubDirectoryCommand.h

   1 /*=========================================================================
   2
   3   Program:   CMake - Cross-Platform Makefile Generator
   4   Module:    $RCSfile: cmAddSubDirectoryCommand.h,v $
   5   Language:  C++
   6   Date:      $Date: 2008-08-07 21:12:16 $
   7   Version:   $Revision: 1.8 $
   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 cmAddSubDirectoryCommand_h
  18 #define cmAddSubDirectoryCommand_h
  19
  20 #include "cmCommand.h"
  21
  22 /** \class cmAddSubDirectoryCommand
  23  * \brief Specify a subdirectory to build
  24  *
  25  * cmAddSubDirectoryCommand specifies a subdirectory to process
  26  * by CMake. CMake will descend
  27  * into the specified source directory and process any CMakeLists.txt found.
  28  */
  29 class cmAddSubDirectoryCommand : public cmCommand
  30 {
  31 public:
  32   /**
  33    * This is a virtual constructor for the command.
  34    */
  35   virtual cmCommand* Clone()
  36     {
  37     return new cmAddSubDirectoryCommand;
  38     }
  39
  40   /**
  41    * This is called when the command is first encountered in
  42    * the CMakeLists.txt file.
  43    */
  44   virtual bool InitialPass(std::vector<std::string> const& args,
  45                            cmExecutionStatus &status);
  46
  47   /**
  48    * The name of the command as specified in CMakeList.txt.
  49    */
  50   virtual const char* GetName() { return "add_subdirectory";}
  51
  52   /**
  53    * Succinct documentation.
  54    */
  55   virtual const char* GetTerseDocumentation()
  56     {
  57     return "Add a subdirectory to the build.";
  58     }
  59
  60   /**
  61    * More documentation.
  62    */
  63   virtual const char* GetFullDocumentation()
  64     {
  65     return
  66       "  add_subdirectory(source_dir [binary_dir] \n"
  67       "                   [EXCLUDE_FROM_ALL])\n"
  68       "Add a subdirectory to the build. The source_dir specifies the "
  69       "directory in which the source CmakeLists.txt and code files are "
  70       "located. If it is a relative "
  71       "path it will be evaluated with respect to the current "
  72       "directory (the typical usage), but it may also be an absolute path. "
  73       "The binary_dir specifies the directory in which to place the output "
  74       "files. If it is a relative path it will be evaluated with respect "
  75       "to the current output directory, but it may also be an absolute "
  76       "path. If binary_dir is not specified, the value of source_dir, "
  77       "before expanding any relative path, will be used (the typical usage). "
  78       "The CMakeLists.txt file in the specified source directory will "
  79       "be processed immediately by CMake before processing in the current "
  80       "input file continues beyond this command.\n"
  81
  82       "If the EXCLUDE_FROM_ALL argument is provided then targets in the "
  83       "subdirectory will not be included in the ALL target of the parent "
  84       "directory by default, and will be excluded from IDE project files.  "
  85       "Users must explicitly build targets in the subdirectory.  "
  86       "This is meant for use when the subdirectory contains a separate part "
  87       "of the project that is useful but not necessary, such as a set of "
  88       "examples.  "
  89       "Typically the subdirectory should contain its own project() command "
  90       "invocation so that a full build system will be generated in the "
  91       "subdirectory (such as a VS IDE solution file).  "
  92       "Note that inter-target dependencies supercede this exclusion.  "
  93       "If a target built by the parent project depends on a target in the "
  94       "subdirectory, the dependee target will be included in the parent "
  95       "project build system to satisfy the dependency."
  96       ;
  97     }
  98
  99   cmTypeMacro(cmAddSubDirectoryCommand, cmCommand);
 100 };
 101
 102
 103
 104 #endif