| /*============================================================================ |
| 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. |
| ============================================================================*/ |
| #ifndef cmSetCommand_h |
| #define cmSetCommand_h |
| |
| #include "cmCommand.h" |
| |
| /** \class cmSetCommand |
| * \brief Set a CMAKE variable |
| * |
| * cmSetCommand sets a variable to a value with expansion. |
| */ |
| class cmSetCommand : public cmCommand |
| { |
| public: |
| /** |
| * This is a virtual constructor for the command. |
| */ |
| virtual cmCommand* Clone() |
| { |
| return new cmSetCommand; |
| } |
| |
| /** |
| * 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); |
| |
| /** |
| * This determines if the command is invoked when in script mode. |
| */ |
| virtual bool IsScriptable() const { return true; } |
| |
| /** |
| * The name of the command as specified in CMakeList.txt. |
| */ |
| virtual const char* GetName() const {return "set";} |
| |
| /** |
| * Succinct documentation. |
| */ |
| virtual const char* GetTerseDocumentation() const |
| { |
| return "Set a CMAKE variable to a given value."; |
| } |
| |
| /** |
| * More documentation. |
| */ |
| virtual const char* GetFullDocumentation() const |
| { |
| return |
| " set(<variable> <value>\n" |
| " [[CACHE <type> <docstring> [FORCE]] | PARENT_SCOPE])\n" |
| "Within CMake sets <variable> to the value <value>. <value> is expanded" |
| " before <variable> is set to it. If CACHE is present, then the " |
| "<variable> is put in the cache. <type> and <docstring> are then " |
| "required. <type> is used by the CMake GUI to choose a widget with " |
| "which the user sets a value. The value for <type> may be one of\n" |
| " FILEPATH = File chooser dialog.\n" |
| " PATH = Directory chooser dialog.\n" |
| " STRING = Arbitrary string.\n" |
| " BOOL = Boolean ON/OFF checkbox.\n" |
| " INTERNAL = No GUI entry (used for persistent variables).\n" |
| "If <type> is INTERNAL, then the <value> is always written into the " |
| "cache, replacing any values existing in the cache. If it is not a " |
| "cache variable, then this always writes into the current makefile. The " |
| "FORCE option will overwrite the cache value removing any changes by " |
| "the user.\n" |
| "If PARENT_SCOPE is present, the variable will be set in the scope " |
| "above the current scope. Each new directory or function creates a new " |
| "scope. This command will set the value of a variable into the parent " |
| "directory or calling function (whichever is applicable to the case at " |
| "hand).\n" |
| "If <value> is not specified then the variable is removed " |
| "instead of set. See also: the unset() command.\n" |
| " set(<variable> <value1> ... <valueN>)\n" |
| "In this case <variable> is set to a semicolon separated list of " |
| "values.\n" |
| "<variable> can be an environment variable such as:\n" |
| " set( ENV{PATH} /home/martink )\n" |
| "in which case the environment variable will be set."; |
| } |
| |
| cmTypeMacro(cmSetCommand, cmCommand); |
| }; |
| |
| |
| |
| #endif |