Isabella Muerte via SG15 <sg15_at_[hidden]> writes:

> The current layout of a target tuplet is borrowed from clang, as it
> is more well defined than others.

You may find the long comment (starts at line 30) here informative:

https://git.build2.org/cgit/libbutl/tree/libbutl/target-triplet.mxx

This is the format we are using throughout build2. In particular,
the notion of a target class proved to be especially useful when
doing platform-specific stuff.