[bug#44590] [WIP PATCH CORE-UPDATES] build/python: Check for cythonized files.

[Efraim Flashner]

On Sun, Dec 13, 2020 at 11:53:31AM -0500, Simon South wrote:
> Efraim,
> 
> I'm seeing an issue I think is related to this change. Trying to build
> glib in core-updates today fails for me with "Unbound variable: warning"
> in python-build-system.scm:
> 
>     starting phase `ensure-no-cythonized-files'
>     Backtrace:
>                9 (primitive-load "/gnu/store/ycv4j8dqk44g6d72m2ykvlwb9wc?")
>     In ice-9/eval.scm:
>        191:35  8 (_ _)
>     In guix/build/gnu-build-system.scm:
>         886:2  7 (gnu-build #:source _ #:outputs _ #:inputs _ #:phases . #)
>     In ice-9/boot-9.scm:
>       1736:10  6 (with-exception-handler _ _ #:unwind? _ # _)
>     In srfi/srfi-1.scm:
>         634:9  5 (for-each #<procedure 7ffff4f662e0 at guix/build/gnu-b?> ?)
>     In guix/build/gnu-build-system.scm:
>        895:33  4 (_ _)
>     In guix/build/python-build-system.scm:
>         272:2  3 (ensure-no-cythonized-files . _)
>     In srfi/srfi-1.scm:
>         634:9  2 (for-each #<procedure 7ffff5ad3978 at guix/build/pytho?> ?)
>     In guix/build/python-build-system.scm:
>        277:10  1 (_ _)
>     In ice-9/boot-9.scm:
>       1669:16  0 (raise-exception _ #:continuable? _)
> 
>     ice-9/boot-9.scm:1669:16: In procedure raise-exception:
>     Unbound variable: warning
>     builder for 
> `/gnu/store/cgmgrddwjvryxmj4nn3naiwy42yi3wzn-meson-for-build-0.55.1.drv' 
> failed with exit code 1
>     build of 
> /gnu/store/cgmgrddwjvryxmj4nn3naiwy42yi3wzn-meson-for-build-0.55.1.drv failed
>     View build log at 
> '/var/log/guix/drvs/cg/mgrddwjvryxmj4nn3naiwy42yi3wzn-meson-for-build-0.55.1.drv.bz2'.
>     cannot build derivation 
> `/gnu/store/a00wr5wj4cd0b98ixxynyxgbw2nyv8kg-glib-2.62.6.drv': 1 dependencies 
> couldn't be built
>     guix build: error: build of 
> `/gnu/store/a00wr5wj4cd0b98ixxynyxgbw2nyv8kg-glib-2.62.6.drv' failed
> 
> And in fact building python-build-system.scm shows
> 
>     [100%] GUILEC   guix/build/python-build-system.go
>     WARNING: (guix build python-build-system): imported module (guix build 
> utils) overrides core binding `delete'
>     guix/build/python-build-system.scm:277:10: warning: possibly unbound 
> variable `warning'
>     guix/build/python-build-system.scm:277:19: warning: possibly unbound 
> variable `G_'
> 
> Adding use-module directives for (guix diagnostics) and (guix i18n) to
> the module doesn't seem to fix the problem, presumably (if I understand
> correctly) because these modules are not then also imported on the build
> side of things.
> 
> Are you aware of this issue?
> 

I tested it mostly against master. I'll see if I can figure out how I
broke it.

-- 
Efraim Flashner   <efraim@flashner.co.il>   אפרים פלשנר
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