# Pastebin FFBCp4JY gemConfig = defaultGemConfig // { opus-ruby = attrs: { dontBuild = false; postPatch = '' substituteInPlace lib/opus-ruby.rb \ --replace "ffi_lib 'opus'" \ "ffi_lib '${libopus}/lib/libopus${stdenv.hostPlatform.extensions.sharedLibrary}'" ''; }; };