8 Experimental. Gated by ``CMAKE_EXPERIMENTAL_CXX_MODULE_CMAKE_API``
10 Semicolon-separated list of base directories of the target's default
11 C++ module set (i.e. the file set with name and type ``CXX_MODULES``). The
13 :manual:`generator expressions <cmake-generator-expressions(7)>`.
15 This property is normally only set by :command:`target_sources(FILE_SET)`
16 rather than being manipulated directly.
18 See :prop_tgt:`CXX_MODULE_DIRS_<NAME>` for the list of base directories in
19 other C++ module sets.