| /*========================================================================= |
| |
| Program: CMake - Cross-Platform Makefile Generator |
| Module: $RCSfile$ |
| Language: C++ |
| Date: $Date$ |
| Version: $Revision$ |
| |
| Copyright (c) 2002 Kitware, Inc., Insight Consortium. All rights reserved. |
| See Copyright.txt or http://www.cmake.org/HTML/Copyright.html for details. |
| |
| This software is distributed WITHOUT ANY WARRANTY; without even |
| the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR |
| PURPOSE. See the above copyright notices for more information. |
| |
| =========================================================================*/ |
| #ifndef cmVariableRequiresCommand_h |
| #define cmVariableRequiresCommand_h |
| |
| #include "cmCommand.h" |
| |
| /** \class cmVariableRequiresCommand |
| * \brief Displays a message to the user |
| * |
| */ |
| class cmVariableRequiresCommand : public cmCommand |
| { |
| public: |
| /** |
| * This is a virtual constructor for the command. |
| */ |
| virtual cmCommand* Clone() |
| { |
| return new cmVariableRequiresCommand; |
| } |
| |
| /** |
| * This is called when the command is first encountered in |
| * the CMakeLists.txt file. |
| */ |
| virtual bool InitialPass(std::vector<std::string> const& args, |
| cmExecutionStatus &status); |
| |
| /** |
| * The name of the command as specified in CMakeList.txt. |
| */ |
| virtual const char* GetName() { return "variable_requires";} |
| |
| /** |
| * Succinct documentation. |
| */ |
| virtual const char* GetTerseDocumentation() |
| { |
| return "Deprecated. Use the if() command instead."; |
| } |
| |
| /** |
| * More documentation. |
| */ |
| virtual const char* GetFullDocumentation() |
| { |
| return |
| "Assert satisfaction of an option's required variables.\n" |
| " variable_requires(TEST_VARIABLE RESULT_VARIABLE\n" |
| " REQUIRED_VARIABLE1\n" |
| " REQUIRED_VARIABLE2 ...)\n" |
| "The first argument (TEST_VARIABLE) is the name of the variable to be " |
| "tested, if that variable is false nothing else is done. If " |
| "TEST_VARIABLE is true, then " |
| "the next argument (RESULT_VARIABLE) is a variable that is set to true " |
| "if all the required variables are set. " |
| "The rest of the arguments are variables that must be true or not " |
| "set to NOTFOUND to avoid an error. If any are not true, an error " |
| "is reported."; |
| } |
| |
| /** This command is kept for compatibility with older CMake versions. */ |
| virtual bool IsDiscouraged() |
| { |
| return true; |
| } |
| |
| cmTypeMacro(cmVariableRequiresCommand, cmCommand); |
| }; |
| |
| |
| #endif |