CMake/Source/cmDocumentVariables.cxx

594 lines
26 KiB
C++

#include "cmDocumentVariables.h"
#include "cmake.h"
void cmDocumentVariables::DefineVariables(cmake* cm)
{
// Subsection: variables defined by cmake, that give
// information about the project, and cmake
cm->DefineProperty
("CMAKE_COMMAND", cmProperty::VARIABLE,
"The full path to the cmake executable.",
"This is the full path to the CMake executable cmake which is "
"useful from custom commands that want to use the cmake -E "
"option for portable system commands. "
"(e.g. /usr/local/bin/cmake", false,
"Variables that Provide Information");
cm->DefineProperty
("CMAKE_BINARY_DIR", cmProperty::VARIABLE,
"The path to the top level of the build tree.",
"This is the full path to the top level of the current CMake "
"build tree. For an in-source build, this would be the same "
"as CMAKE_SOURCE_DIR. ", false,
"Variables that Provide Information");
cm->DefineProperty
("CMAKE_SOURCE_DIR", cmProperty::VARIABLE,
"The path to the top level of the source tree.",
"This is the full path to the top level of the current CMake "
"source tree. For an in-source build, this would be the same "
"as CMAKE_BINARY_DIR. ", false,
"Variables that Provide Information");
cm->DefineProperty
("CMAKE_CURRENT_BINARY_DIR", cmProperty::VARIABLE,
"The path to the binary directory currently being processed.",
"This the full path to the build directory that is currently "
"being processed by cmake. Each directory added by "
"add_subdirectory will create a binary directory in the build "
"tree, and as it is being processed this variable will be set. "
"For in-source builds this is the current source directory "
"being processed.", false,
"Variables that Provide Information");
cm->DefineProperty
("CMAKE_CURRENT_SOURCE_DIR", cmProperty::VARIABLE,
"The path to the source directory currently being processed.",
"This the full path to the source directory that is currently "
"being processed by cmake. ", false,
"Variables that Provide Information");
cm->DefineProperty
("CMAKE_CURRENT_LIST_FILE", cmProperty::VARIABLE,
"The path to the file currently being processed.",
"This the full path to the file that is currently "
"being processed by cmake. ", false,
"Variables that Provide Information");
cm->DefineProperty
("CMAKE_CURRENT_LIST_LINE", cmProperty::VARIABLE,
"The line number of the current file being processed.",
"This is the line number of the file currently being"
" processed by cmake.", false,
"Variables that Provide Information");
cm->DefineProperty
("CMAKE_BUILD_TOOL", cmProperty::VARIABLE,
"Tool used for the acutal build process.",
"This variable is set to the program that will be"
" needed to build the output of CMake. If the "
"generator selected was Visual Studio 6, the "
"CMAKE_MAKE_PROGRAM will be set to msdev, for "
"Unix makefiles it will be set to make or gmake, "
"and for Visual Studio 7 it set to devenv. For "
"Nmake Makefiles the value is nmake. This can be "
"useful for adding special flags and commands based"
" on the final build environment. ", false,
"Variables that Provide Information");
cm->DefineProperty
("CMAKE_CACHEFILE_DIR", cmProperty::VARIABLE,
"The directory with the CMakeCache.txt file.",
"This is the full path to the directory that has the "
"CMakeCache.txt file in it. This is the same as "
"CMAKE_BINARY_DIR.", false,
"Variables that Provide Information");
cm->DefineProperty
("CMAKE_CACHE_MAJOR_VERSION", cmProperty::VARIABLE,
"Major version of CMake used to create the CMakeCache.txt file",
"This is stores the major version of CMake used to "
"write a CMake cache file. It is only different when "
"a different version of CMake is run on a previously "
"created cache file.", false,
"Variables that Provide Information");
cm->DefineProperty
("CMAKE_CACHE_MINOR_VERSION", cmProperty::VARIABLE,
"Minor version of CMake used to create the CMakeCache.txt file",
"This is stores the minor version of CMake used to "
"write a CMake cache file. It is only different when "
"a different version of CMake is run on a previously "
"created cache file.", false,
"Variables that Provide Information");
cm->DefineProperty
("CMAKE_CACHE_RELEASE_VERSION", cmProperty::VARIABLE,
"Release version of CMake used to create the CMakeCache.txt file",
"This is stores the release version of CMake used to "
"write a CMake cache file. It is only different when "
"a different version of CMake is run on a previously "
"created cache file.", false,
"Variables that Provide Information");
cm->DefineProperty
("CMAKE_CFG_INTDIR", cmProperty::VARIABLE,
"Build time configuration directory for project.",
"This is a variable that is used to provide developers"
" access to the intermediate directory used by Visual "
"Studio IDE projects. For example, if building "
"Debug all executables and libraries end up in a "
"Debug directory. On UNIX systems this variable "
"is set to \".\". However, with Visual Studio this "
"variable is set to $(IntDir). $(IntDir) is expanded "
"by the IDE only. So this variable should only be "
"used in custom commands that will be run during "
"the build process. This variable should not be "
"used directly in a CMake command. CMake has no "
"way of knowing if Debug or Release will be picked "
"by the IDE for a build type. If a program needs to "
"know the directory it was built in, it can use "
"CMAKE_INTDIR. CMAKE_INTDIR is a C/C++ preprocessor "
"macro that is defined on the command line of the "
"compiler. If it has a value, it will be the "
"intermediate directory used to build the file. "
"This way an executable or a library can find files "
"that are located in the build directory.",false,
"Variables that Provide Information");
cm->DefineProperty
("CMAKE_CTEST_COMMAND", cmProperty::VARIABLE,
"Full path to ctest command installed with cmake.",
"This is the full path to the CTest executable ctest "
"which is useful from custom commands that want "
" to use the cmake -E option for portable system "
"commands.",false,
"Variables that Provide Information");
cm->DefineProperty
("CMAKE_DL_LIBS", cmProperty::VARIABLE,
"Name of library containing dlopen and dlcose.",
"The name of the library that has dlopen and "
"dlclose in it, usually -ldl on most UNIX machines.",false,
"Variables that Provide Information");
cm->DefineProperty
("CMAKE_EDIT_COMMAND", cmProperty::VARIABLE,
"Full path to CMakeSetup or ccmake.",
"This is the full path to the CMake executable "
"that can graphically edit the cache. For example,"
" CMakeSetup, ccmake, or cmake -i.",false,
"Variables that Provide Information");
cm->DefineProperty
("CMAKE_GENERATOR", cmProperty::VARIABLE,
"The generator used to build the project.",
"The name of the generator that is being used to generate the "
"build files. (e.g. \"Unix Makefiles\", "
"\"Visual Studio 6\", etc.)",false,
"Variables that Provide Information");
cm->DefineProperty
("CMAKE_HOME_DIRECTORY", cmProperty::VARIABLE,
"Path to top of source tree.",
"This is the path to the top level of the source tree.",false,
"Variables that Provide Information");
cm->DefineProperty
("CMAKE_LINK_LIBRARY_SUFFIX", cmProperty::VARIABLE,
"The suffix for libraries that you link to.",
"The suffix to use for the end of a library, .lib on Windows.",false,
"Variables that Provide Information");
cm->DefineProperty
("CMAKE_MAJOR_VERSION", cmProperty::VARIABLE,
"The Major version of cmake (i.e. the 2 in 2.X.X)",
"This specifies the major version of the CMake executable"
" being run.",false,
"Variables that Provide Information");
cm->DefineProperty
("CMAKE_MAKE_PROGRAM", cmProperty::VARIABLE,
"See CMAKE_BUILD_TOOL.",
"This variable is around for backwards compatibility, "
"see CMAKE_BUILD_TOOL.",false,
"Variables that Provide Information");
cm->DefineProperty
("CMAKE_MINOR_VERSION", cmProperty::VARIABLE,
"The Minor version of cmake (i.e. the 4 in X.4.X).",
"This specifies the minor version of the CMake"
" executable being run.",false,
"Variables that Provide Information");
cm->DefineProperty
("CMAKE_PROJECT_NAME", cmProperty::VARIABLE,
"The name of the current project.",
"This specifies name of the current project from"
" the closest inherited PROJECT command.",false,
"Variables that Provide Information");
cm->DefineProperty
("CMAKE_RANLIB", cmProperty::VARIABLE,
"Name of randomizing tool for static libraries.",
"This specifies name of the program that randomizes "
"libraries on UNIX, not used on Windows, but may be present.",false,
"Variables that Provide Information");
cm->DefineProperty
("CMAKE_ROOT", cmProperty::VARIABLE,
"Install directory for running cmake.",
"This is the install root for the running CMake and"
" the Modules directory can be found here. This is"
" commonly used in this format: ${CMAKE_ROOT}/Modules",false,
"Variables that Provide Information");
cm->DefineProperty
("CMAKE_SIZEOF_VOID_P", cmProperty::VARIABLE,
"Size of a void pointer.",
"This is set to the size of a pointer on the machine, "
"and is determined by a try compile. If a 64 bit size "
"is found, then the library search path is modified to "
"look for 64 bit libraries first.",false,
"Variables that Provide Information");
cm->DefineProperty
("CMAKE_SKIP_RPATH", cmProperty::VARIABLE,
"If true, do not add run time path information.",
"If this is set to TRUE, then the rpath information "
"is not added to compiled executables. The default"
"is to add rpath information if the platform supports it."
"This allows for easy running from the build tree.",false,
"Variables that Provide Information");
cm->DefineProperty
("CMAKE_SOURCE_DIR", cmProperty::VARIABLE,
"Source directory for project.",
"This is the top level source directory for the project. "
"It corresponds to the source directory given to "
"CMakeSetup or ccmake.",false,
"Variables that Provide Information");
cm->DefineProperty
("CMAKE_STANDARD_LIBRARIES", cmProperty::VARIABLE,
"Libraries linked into every executable and shared library.",
"This is the list of libraries that are linked "
"into all executables and libraries.",false,
"Variables that Provide Information");
cm->DefineProperty
("CMAKE_USING_VC_FREE_TOOLS", cmProperty::VARIABLE,
"True if free visual studio tools being used.",
"This is set to true if the compiler is Visual "
"Studio free tools.",false,
"Variables that Provide Information");
cm->DefineProperty
("CMAKE_VERBOSE_MAKEFILE", cmProperty::VARIABLE,
"Create verbose makefiles if on.",
"This variable defaults to false. You can set "
"this variable to true to make CMake produce verbose "
"makefiles that show each command line as it is used.",false,
"Variables that Provide Information");
cm->DefineProperty
("PROJECT_BINARY_DIR", cmProperty::VARIABLE,
"Full path to build directory for project.",
"This is the binary directory of the most recent "
"PROJECT command.",false,"Variables that Provide Information");
cm->DefineProperty
("PROJECT_NAME", cmProperty::VARIABLE,
"Name of the project given to the project command.",
"This is the name given to the most "
"recent PROJECT command. ",false,
"Variables that Provide Information");
cm->DefineProperty
("PROJECT_SOURCE_DIR", cmProperty::VARIABLE,
"Top level source directory for the current project.",
"This is the source directory of the most recent "
"PROJECT command.",false,
"Variables that Provide Information");
cm->DefineProperty
("[Project name]_BINARY_DIR", cmProperty::VARIABLE,
"Top level binary directory for the named project.",
"A variable is created with the name used in the PROJECT "
"command, and is the binary directory for the project. "
" This can be useful when SUBDIR is used to connect "
"several projects.",false,
"Variables that Provide Information");
cm->DefineProperty
("[Project name]_SOURCE_DIR", cmProperty::VARIABLE,
"Top level source directory for the named project.",
"A variable is created with the name used in the PROJECT "
"command, and is the source directory for the project."
" This can be useful when add_subdirectory "
"is used to connect several projects.",false,
"Variables that Provide Information");
// Variables defined by cmake, that change the behavior
// of cmake
cm->DefineProperty
("CMAKE_BUILD_TYPE", cmProperty::VARIABLE,
"Specifies the build type for make based generators.",
"This specifies what build type will be built in this tree. "
" Possible values are empty, Debug, Release, RelWithDebInfo"
" and MinSizeRel. This variable is only supported for "
"make based generators. If this variable is supported, "
"then CMake will also provide initial values for the "
"variables with the name "
" CMAKE_C_FLAGS_[Debug|Release|RelWithDebInfo|MinSizeRel]."
" For example, if CMAKE_BUILD_TYPE is Debug, then "
"CMAKE_C_FLAGS_DEBUG will be added to the CMAKE_C_FLAGS.",false,
"Variables That Change Behavior");
cm->DefineProperty
("CMAKE_BACKWARDS_COMPATIBILITY", cmProperty::VARIABLE,
"Version of cmake required to build project",
"From the point of view of backwards compatibility, this "
"specifies what version of CMake should be supported. By "
"default this value is the version number of CMake that "
"you are running. You can set this to an older version of"
" CMake to support deprecated commands of CMake in projects"
" that were written to use older versions of CMake. This "
"can be set by the user or set at the beginning of a "
"CMakeLists file.",false,
"Variables That Change Behavior");
cm->DefineProperty
("CMAKE_INSTALL_PREFIX", cmProperty::VARIABLE,
"Install directory used by install.",
"If \"make install\" is invoked or INSTALL is built"
", this directory is pre-pended onto all install "
"directories. This variable defaults to /usr/local"
" on UNIX and c:/Program Files on Windows.",false,
"Variables That Change Behavior");
cm->DefineProperty
("CMAKE_USER_MAKE_RULES_OVERRIDE", cmProperty::VARIABLE,
"Specify a file that can change the build rule variables.",
"If this variable is set, it should to point to a "
"CMakeLists.txt file that will be read in by CMake "
"after all the system settings have been set, but "
"before they have been used. This would allow you "
"to override any variables that need to be changed "
"for some special project. ",false,
"Variables That Change Behavior");
cm->DefineProperty
("BUILD_SHARED_LIBS", cmProperty::VARIABLE,
"Global flag to cause add_library to create shared libraries if on.",
"If present and true, this will cause all libraries to be "
"built shared unless the library was explicitly added as a "
"static library. This variable is often added to projects "
"as an OPTION so that each user of a project can decide if "
"they want to build the project using shared or static "
"libraries.",false,
"Variables That Change Behavior");
cm->DefineProperty
("CMAKE_NOT_USING_CONFIG_FLAGS", cmProperty::VARIABLE,
"Skip _BUILD_TYPE flags if true.",
"This is an internal flag used by the generators in "
"CMake to tell CMake to skip the _BUILD_TYPE flags.",false,
"Variables That Change Behavior");
cm->DefineProperty
("CMAKE_MFC_FLAG", cmProperty::VARIABLE,
"Tell cmake to use MFC for an executable or dll.",
"This can be set in a CMakeLists.txt file and will "
"enable MFC in the application. It should be set "
"to 1 for static the static MFC library, and 2 for "
"the shared MFC library. This is used in visual "
"studio 6 and 7 project files. The CMakeSetup "
"dialog uses MFC and the CMakeLists.txt looks like this:\n"
"ADD_DEFINITIONS(-D_AFXDLL)\n"
"set(CMAKE_MFC_FLAG 2)\n"
"add_executable(CMakeSetup WIN32 ${SRCS})\n",false,
"Variables That Change Behavior");
// Variables defined by CMake that describe the system
cm->DefineProperty
("CMAKE_SYSTEM", cmProperty::VARIABLE,
"Name of system cmake is being run on.",
"This variable is the composite of CMAKE_SYSTEM_NAME"
"and CMAKE_SYSTEM_VERSION, like this "
"${CMAKE_SYSTEM_NAME}-${CMAKE_SYSTEM_VERSION}. "
"If CMAKE_SYSTEM_VERSION is not set, then "
"CMAKE_SYSTEM is the same as CMAKE_SYSTEM_NAME.",false,
"Variables That Describe the System");
cm->DefineProperty
("CMAKE_SYSTEM_NAME", cmProperty::VARIABLE,
"Name of the OS CMake is running on.",
"This is the name of the operating system on "
"which CMake is running. On systems that "
"have the uname command, this variable is set "
"to the output of uname -s. Linux, Windows, "
" and Darwin for Mac OSX are the values found "
" on the big three operating systems." ,false,
"Variables That Describe the System");
cm->DefineProperty
("CMAKE_SYSTEM_PROCESSOR", cmProperty::VARIABLE,
"The name of the CPU CMake is running on.",
"On systems that support uname, this variable is "
"set to the output of uname -p, on windows it is "
"set to the value of the environment variable "
"PROCESSOR_ARCHITECTURE",false,
"Variables That Describe the System");
cm->DefineProperty
("CMAKE_SYSTEM_VERSION", cmProperty::VARIABLE,
"OS version.",
"A numeric version string for the system, on "
"systems that support uname, this variable is "
"set to the output of uname -r. On other "
"systems this is set to major-minor version numbers.",false,
"Variables That Describe the System");
cm->DefineProperty
("APPLE", cmProperty::VARIABLE,
"True if running on Mac OSX.",
"Set to true on Mac OSX.",false,
"Variables That Describe the System");
cm->DefineProperty
("BORLAND", cmProperty::VARIABLE,
"True of the borland compiler is being used.",
"This is set to true if the Borland compiler is being used.",false,
"Variables That Describe the System");
cm->DefineProperty
("CYGWIN", cmProperty::VARIABLE,
"True for cygwin.",
"Set to true when using CYGWIN.",false,
"Variables That Describe the System");
cm->DefineProperty
("UNIX", cmProperty::VARIABLE,
"True for UNIX and UNIX like operating systems.",
"Set to true when the system is UNIX or UNIX like "
"(i.e. APPLE and CYGWIN).",false,
"Variables That Describe the System");
cm->DefineProperty
("WIN32", cmProperty::VARIABLE,
"Tru on windows systems, including win64.",
"Set to true when the system is Windows and on cygwin.",false,
"Variables That Describe the System");
// Variables that affect the building of object files and
// targets.
//
cm->DefineProperty
("CMAKE_EXE_LINKER_FLAGS", cmProperty::VARIABLE,
"Linker flags used to create executables.",
"Flags used by the linker when creating an executable.",false,
"Variables that Control the Build");
cm->DefineProperty
("CMAKE_EXE_LINKER_FLAGS_[CMAKE_BUILD_TYPE]", cmProperty::VARIABLE,
"Flag used when linking an executable.",
"Same as CMAKE_C_FLAGS_* but used by the linker "
"when creating executables.",false,
"Variables that Control the Build");
cm->DefineProperty
("CMAKE_LIBRARY_PATH_FLAG", cmProperty::VARIABLE,
"The flag used to add a library search path to a compiler.",
"The flag used to specify a library directory to the compiler. "
"On most compilers this is \"-L\".",false,
"Variables that Control the Build");
cm->DefineProperty
("CMAKE_LINK_DEF_FILE_FLAG ", cmProperty::VARIABLE,
"Linker flag used to specify a .def file for dll creation.",
"The flag used to add a .def file when creating "
"a dll on Windows, this is only defined on Windows.",false,
"Variables that Control the Build");
cm->DefineProperty
("CMAKE_LINK_LIBRARY_FLAG", cmProperty::VARIABLE,
"Flag used to link a library into an executable.",
"The flag used to specify a library to link to an executable. "
"On most compilers this is \"-l\".",false,
"Variables that Control the Build");
cm->DefineProperty
("CMAKE_USE_RELATIVE_PATHS", cmProperty::VARIABLE,
"Use relative paths (May not work!).",
"If this is set to TRUE, then the CMake will use "
"relative paths between the source and binary tree. "
"This option does not work for more complicated "
"projects, and relative paths are used when possible. "
"In general, it is not possible to move CMake generated"
" makefiles to a different location regardless "
"of the value of this variable.",false,
"Variables that Control the Build");
cm->DefineProperty
("EXECUTABLE_OUTPUT_PATH", cmProperty::VARIABLE,
"Location for all executables in a project.",
"If set, this is the directory where all executables "
"built during the build process will be placed.",false,
"Variables that Control the Build");
cm->DefineProperty
("LIBRARY_OUTPUT_PATH", cmProperty::VARIABLE,
"Location for all libraries in a project.",
"If set, this is the directory where all the libraries "
"built during the build process will be placed.",false,
"Variables that Control the Build");
// Variables defined when the a language is enabled These variables will
// also be defined whenever CMake has loaded its support for compiling (LANG)
// programs. This support will be loaded whenever CMake is used to compile
// (LANG) files. C and CXX are examples of the most common values for (LANG).
cm->DefineProperty
("CMAKE_<LANG>_COMPILER", cmProperty::VARIABLE,
"The full path to the compiler for LANG.",
"This is the command that will be used as the <LANG> compiler. "
"Once set, you can not change this variable.",false,
"Variables for Languages");
cm->DefineProperty
("CMAKE_COMPILER_IS_GNU<LANG>", cmProperty::VARIABLE,
"True if the compiler is GNU.",
"If the selected <LANG> compiler is the GNU "
"compiler then this is TRUE, if not it is FALSE.",false,
"Variables for Languages");
cm->DefineProperty
("CMAKE_<LANG>_FLAGS_DEBUG", cmProperty::VARIABLE,
"Flags for Debug build type or configuration.",
"<LANG> flags used when CMAKE_BUILD_TYPE is Debug.",false,
"Variables for Languages");
cm->DefineProperty
("CMAKE_<LANG>_FLAGS_MINSIZEREL", cmProperty::VARIABLE,
"Flags for MinSizeRel build type or configuration.",
"<LANG> flags used when CMAKE_BUILD_TYPE is MinSizeRel."
"Short for minimum size release.",false,
"Variables for Languages");
cm->DefineProperty
("CMAKE_<LANG>_FLAGS_RELEASE", cmProperty::VARIABLE,
"Flags for Release build type or configuration.",
"<LANG> flags used when CMAKE_BUILD_TYPE is Release",false,
"Variables for Languages");
cm->DefineProperty
("CMAKE_<LANG>_FLAGS_RELWITHDEBINFO", cmProperty::VARIABLE,
"Flags for RelWithDebInfo type or configuration.",
"<LANG> flags used when CMAKE_BUILD_TYPE is RelWithDebInfo. "
"Short for Release With Debug Information.",false,
"Variables for Languages");
cm->DefineProperty
("CMAKE_<LANG>_COMPILE_OBJECT", cmProperty::VARIABLE,
"Rule variable to compile a single object file.",
"This is a rule variable that tells CMake how to "
"compile a single object file for for the language <LANG>.",false,
"Variables for Languages");
cm->DefineProperty
("CMAKE_<LANG>_CREATE_SHARED_LIBRARY", cmProperty::VARIABLE,
"Rule variable to create a shared library.",
"This is a rule variable that tells CMake how to "
"create a shared library for the language <LANG>.",false,
"Variables for Languages");
cm->DefineProperty
("CMAKE_<LANG>_CREATE_SHARED_MODULE", cmProperty::VARIABLE,
"Rule variable to create a shared module.",
"This is a rule variable that tells CMake how to "
"create a shared library for the language <LANG>.",false,
"Variables for Languages");
cm->DefineProperty
("CMAKE_<LANG>_CREATE_STATIC_LIBRARY", cmProperty::VARIABLE,
"Rule variable to create a static library.",
"This is a rule variable that tells CMake how "
"to create a static library for the language <LANG>.",false,
"Variables for Languages");
cm->DefineProperty
("CMAKE_<LANG>_IGNORE_EXTENSIONS", cmProperty::VARIABLE,
"File extensions that should be ignored by the build.",
"This is a list of file extensions that may be "
"part of a project for a given language but are not compiled. ",false,
"Variables for Languages");
cm->DefineProperty
("CMAKE_<LANG>_LINKER_PREFERENCE", cmProperty::VARIABLE,
"Determine if a language should be used for linking.",
"If this is \"Preferred\" then if there is a mixed "
"language shared library or executable, then this "
"languages linker command will be used.",false,
"Variables for Languages");
cm->DefineProperty
("CMAKE_<LANG>_LINK_EXECUTABLE ", cmProperty::VARIABLE,
"Rule variable to link and executable.",
"Rule variable to link and executable for the given language.",false,
"Variables for Languages");
cm->DefineProperty
("CMAKE_<LANG>_OUTPUT_EXTENSION", cmProperty::VARIABLE,
"Extension for the output of a compile for a single file.",
"This is the extension for an object file for "
"the given <LANG>. For example .obj for C on Windows.",false,
"Variables for Languages");
cm->DefineProperty
("CMAKE_<LANG>_SOURCE_FILE_EXTENSIONS", cmProperty::VARIABLE,
"Extensions of source files for the given language.",
"This is the list of extensions for a "
"given languages source files.",false,"Variables for Languages");
}