The list of required external deps is now confuse, libarchive and openssl.
libxbps now includes a wrapper for proplib prefixed with xbps_ rather than prop_.
Instead a two stage approach is necessary when packages for target arch
are installed:
- XBPS_TARGET_ARCH=arch xbps-install foo <- only unpack
- xbps-reconfigure -a <- configure natively or via an emulator