bin/watchman/libwatchman.a(watchman.pic.o):(.data+0x30e48): undefined reference to `typeinfo for subprocess::preexec_func::HolderBase'
bin/watchman/libwatchman.a(watchman.pic.o):(.data+0x31e28): undefined reference to `typeinfo for subprocess::preexec_func::HolderBase'
Otherwise errors such as
are reported