CMAKE_<LANG>_IMPLICIT_LINK_FRAMEWORK_DIRECTORIES
Implicit linker framework search path detected for language <LANG>.
These paths are implicit linker framework search directories for the compiler’s language. CMake automatically detects these directories for each language and reports the results in this variable.
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Licensed under the BSD 3-clause License.
    https://cmake.org/cmake/help/v3.5/variable/CMAKE_LANG_IMPLICIT_LINK_FRAMEWORK_DIRECTORIES.html