archiso # the official package does not build an iso on i686 cuda # cuda 9.0 is 64-bit only dmd # fails to build, upstream is unresponsive, see forum linux-hardened # not really useful on i686 + hard to maintain luxrays # does not compile on i686 - see FS#54960 python-pytorch # Gloo can only be built on 64-bit systems rubinius # Support for non-64bit platforms was deprecated 1 Jun 2016 and has now been removed. If non-64bit support is a critical feature for your application, please email contact@rubinius.com wiredtiger # WiredTiger requires a 64-bit build zcash # We don't yet support 32bit systems (and we won't by launch) but we can look into this after launch.