[pombreda]

You wrote:

> It's just a single line of text might not be enough to encode build configurations.

that's the tough part, and IMHO outside of PURL? ... Note that for C/C++ code ... @alcroito mentions cps in the same comment page at https://news.ycombinator.com/item?id=44196246 ... and a quick glance is that this attempts to capture these details may be?

So it could be a happy combo?