1 /*============================================================================
2 CMake - Cross Platform Makefile Generator
3 Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
5 Distributed under the OSI-approved BSD License (the "License");
6 see accompanying file Copyright.txt for details.
8 This software is distributed WITHOUT ANY WARRANTY; without even the
9 implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
10 See the License for more information.
11 ============================================================================*/
12 #ifndef cmOptionCommand_h
13 #define cmOptionCommand_h
15 #include "cmCommand.h"
17 /** \class cmOptionCommand
18 * \brief Provide an option to the user
20 * cmOptionCommand provides an option for the user to select
22 class cmOptionCommand : public cmCommand
26 * This is a virtual constructor for the command.
28 virtual cmCommand* Clone()
30 return new cmOptionCommand;
34 * This is called when the command is first encountered in
35 * the CMakeLists.txt file.
37 virtual bool InitialPass(std::vector<std::string> const& args,
38 cmExecutionStatus &status);
41 * The name of the command as specified in CMakeList.txt.
43 virtual const char* GetName() const {return "option";}
46 * Succinct documentation.
48 virtual const char* GetTerseDocumentation() const
50 return "Provides an option that the user can optionally select.";
56 virtual const char* GetFullDocumentation() const
59 " option(<option_variable> \"help string describing option\"\n"
61 "Provide an option for the user to select as ON or OFF. If no "
62 "initial value is provided, OFF is used.\n"
63 "If you have options that depend on the values of other "
64 "options, see the module help for CMakeDependentOption."
69 * This determines if the command is invoked when in script mode.
71 virtual bool IsScriptable() const { return true; }
73 cmTypeMacro(cmOptionCommand, cmCommand);