Of course !!! I did know about it, I just forget it... Damn brain!
Thank you for your quick answers ! So cool. I appreciate the three options you gave Julien. Helpful! I can realize now how much my lack of curioisity cost. Haha awesome feedback for me. Thank you again. Jérémy Le 1 mars 2020 15:50:28 GMT+01:00, Julien Lepiller <[email protected]> a écrit : >Le 1 mars 2020 07:58:27 GMT-05:00, "Jérémy Korwin-Zmijowski" ><[email protected]> a écrit : >>Hey Guixters ! >> >>I am experimenting one way to learn how to use Guix for packaging. >> >>I've a package dummy definition in /tmp/def.scm: >> >>(use-modules >> (guix packages) >> (guix build-system emacs) >> (guix licenses) >> (guix git-download)) >> >>(define-public ac-geiser >> (package >> (name "") >> (version "") >> (source >> (origin >> (uri >> (git-reference (url "") >> (commit ""))) >> (method git-fetch) >> (sha256 (base32 "")))) >> (build-system emacs-build-system) >> (synopsis "") >> (description "") >> (license bsd-3) >> (home-page ""))) >> >>Then when I do : >> >>./pre-inst-env guix build -f /tmp/def.scm >> >>I get : >> >>guix build: error: #<unspecified>: not something we can build >> >>What is Guix trying to tell yo me ? I have no clue... >> >>Does anybody have one ? >> >>Cheers > >I knew it was going to happen :) > >That message is indeed not very helpful. Internally, guix evaluates the >file and uses its return value (the value the last expression evaluates >to). Here, your last expression is a define-public which does not >return any value (in other languages, it's called unit or void, in >guile it's #<unspecified>). The solution is to make sure your last >expression evaluates to a package object. Three solutions: > >1. Add a new line on which you put the name of the variable you define, >so it evaluates to its content, the package object. > >2. Do not wrap the package definition in a define-public, but use >package directly, so that it evaluates to a package expression >directly. > >3. Define your file as a module, and use -L to add it to load path. >Then guix will be able to necognise all your packages in that file by >their name, instead of only the last one (ex: guix build -L . >ac-geiser), although your package has no name yet, so it can't be found >by guix that way currently. -- Envoyé de mon appareil Android avec Courriel K-9 Mail. Veuillez excuser ma brièveté.
