the package; this avoids them getting created if you run pypy as root, which
results in pkg_delete leaving things behind. From maintainer Laurie Tratt.
python 2.7 to run the translations; this saves ~1.3GB RAM and runs much
faster. as this is optional, a new no_bootstrap pseudo-flavour allows
rebuilding bootstraps from scratch to help with flag days.
- also check early that the datasize limit is reasonable for the build;
no point swapping for ages and then running out of ram.
discussed with Laurie Tratt (maintainer).
"A fast, compliant alternative implementation of the Python language"
From Laurence Tratt with input from sthen@ and myself.
OK sthen@: "ok sthen who says that beck should add it to torture"
