https://bugzilla.redhat.com/show_bug.cgi?id=1136340
--- Comment #12 from Chris chrisburel@gmail.com --- I could never figure out if the normal workflow is to run make install before or after make test. So I added a config var for it. When running cmake, you can specify -DUSE_BUILD_DIR_FOR_TESTS=TRUE, and then it should adjust the PERL5LIB for you.