Added in version 3.9.
Specify a <suffix> to tell the find_library() command to search in a lib<suffix> directory before each lib directory that would normally be searched.
<suffix>
find_library()
lib<suffix>
lib
This overrides the behavior of related global properties:
FIND_LIBRARY_USE_LIB32_PATHS
FIND_LIBRARY_USE_LIB64_PATHS
FIND_LIBRARY_USE_LIBX32_PATHS