This value is only applied if Cmake_generator is set. Some generators may be additionally configured using the environment variables:ĭefault value for CMAKE_GENERATOR_INSTANCE if no Cache entry is present. Either way the resulting generator selection is stored in the CMAKE_GENERATOR variable. If the provided value doesn't name a generator known by CMake, the internal default is used. Specifies the CMake default generator to use when no generator is supplied with -G. On later runs in an existing build tree the value persists in the cache as CMAKE_EXPORT_COMPILE_COMMANDS. The default value for CMAKE_EXPORT_COMPILE_COMMANDS when there is no explicit configuration given on the first run while creating a new build tree.
The default build configuration for Build Tool Mode and ctest build handler when there is no explicit configuration given. The CMAKE_CONFIGURATION_TYPES environment variable specifies a default value for the CMAKE_CONFIGURATION_TYPES variable when there is no explicit configuration given on the first run while creating a new build tree. The CMAKE_BUILD_TYPE environment variable specifies a default value for the CMAKE_BUILD_TYPE variable when there is no explicit configuration given on the first run while creating a new build tree. If this variable is defined empty the native build tool's default number is used. Specifies the maximum number of concurrent processes to use when building using the cmake -build command line Build Tool Mode. The CMAKE_APPLE_SILICON_PROCESSOR normal variable, if set, overrides this environment variable. The value must be either arm64 or x86_64. On Apple Silicon hosts running macOS, set this environment variable to tell CMake what architecture to use for CMAKE_HOST_SYSTEM_PROCESSOR. Environment Variables That Control the Build Cmake_apple_silicon_processor See also the CMAKE_PREFIX_PATH CMake variable. This variable may hold a single prefix or a list of prefixes separated by : on UNIX or on Windows (the same as the PATH environment variable convention on those platforms). Each command will add appropriate subdirectories (like bin, lib, or include) as specified in its own documentation. The CMAKE_PREFIX_PATH environment variable may be set to a list of directories specifying installation prefixes to be searched by the find_package(), find_program(), find_library(), find_file(), and find_path() commands. Its initial value is taken from the calling process environment. Environment Variables That Change Behavior Cmake_prefix_path This page lists environment variables that have special meaning to CMake.įor general information on environment variables, see the Environment Variables section in the cmake-language manual.
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