[Infrastructures] make install only?

[Daniel Hagerty]

 > and actually running it from a third. What's more, work standards
 > strictly prohibit an installed package making any reference to the
 > build or install-staging areas.

    At some level of remove, this is what any RPM package (or other
packaging system) is going to do with python modules.  Consider taking
apart a few source packages to see how they deal with this problem in
a systematic way.