https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86534
--- Comment #2 from Дилян Палаузов <dilyan.palauzov at aegee dot org> --- I can pass --with-isl-lib=/usr/local/lib, I can also compile ld.gold to have implicit -L/usr/local/lib. But if gcc is supposed to be linkable with both ld.bfd and ld.gold, then --with-isl-lib shall not be necessary.