On Sun, Jan 10, 2016 at 9:49 PM, Ludovic Courtès <l...@gnu.org> wrote: > Federico Beffa <be...@ieee.org> skribis: > >> I've noticed that a derivation is a function of the order of the >> inputs. As an example, the following two input orders give rise to two >> distinct derivations: >> >> A) >> >> (inputs >> `(("texlive" ,texlive) >> ("texinfo" ,texinfo) >> ("m4" ,m4) >> ("libx11" ,libx11)) >> >> B) >> (inputs >> `(("texinfo" ,texinfo) >> ("texlive" ,texlive) >> ("m4" ,m4) >> ("libx11" ,libx11)) >> >> Is this intentional? > > Yes. There are several places where order matters, most importantly > search paths, and these are computed from the input lists.
If order matters, it would probably be more robust to force internally a specific order rather than relying on the (often random) order defined in a package recipe (possibly created by an importer, ...). Fede