Maxime Devos <maximede...@telenet.be> writes:
Nowhere. I tried implementing 'output', and noticed I just
ended up
with something equivalent to a simple call to 'gexp-input'
(hence,
‘this thing already exists’). 'gexp-input' can be found in
(guix
gexp).
I finally had a chance to mess around with this, and it
does, indeed, do the job. Since it wasn’t clear to me how
it worked, I’d like to document it here.
To accomplish the goal at the begging of this thread,
rather than using:
--8<---------------cut here---------------start------------->8---
(file-append #~#$gcc:lib “/lib”)
--8<---------------cut here---------------end--------------->8---
The “correct” way is this:
--8<---------------cut here---------------start------------->8---
(gexp-input (file-append gcc "/lib") "lib")
--8<---------------cut here---------------end--------------->8---
The name seems a little weird, since we’re selecting an
output, but it makes sense from the other end: we’re
creating an input for the higher-level expression (in this
case, the special-file-services-type).
Anyway, this works for me, so this ticket can probably be
closed.
-bjc