Firefox 50.0_betaX ebuild in mozilla overlay depends on >=dev-libs/nss-3.25 But firefox wants 3.26.2 or higher: DEBUG: configure:12829: checking for nss-config DEBUG: configure:12864: checking for NSS - version >= 3.26.2 DEBUG: configure: error: you don't have NSS installed or your version is too old ERROR: old-configure failed
Thanks for reporting, I pushed the updated dep