They are supporting libraries and as such, will need to be built/installed when MK_TESTS == no during buildworld, i.e., the "make libraries" phase. Otherwise, dependent components cannot rely on the libraries, like `cddl/usr.sbin/zfsd/tests`.
They are supporting libraries and as such, will need to be built/installed when MK_TESTS == no during buildworld, i.e., the "make libraries" phase. Otherwise, dependent components cannot rely on the libraries, like `cddl/usr.sbin/zfsd/tests`.