CMAKE_<LANG>_FLAGS_<CONFIG>_INIT

CMAKE_<LANG>FLAGS<CONFIG>_INIT

.. versionadded:: 3.11

Value used to initialize the :variable:CMAKE_<LANG>_FLAGS_<CONFIG> cache entry the first time a build tree is configured for language <LANG>. This variable is meant to be set by a :variable:toolchain file <CMAKE_TOOLCHAIN_FILE>. CMake may prepend or append content to the value based on the environment and target platform.

See also :variable:CMAKE_<LANG>_FLAGS_INIT.