[bug#27296] [PATCH 14/35] build-system: Add 'texlive-build-system'.

[ludo@gnu.org (Ludovic Courtès)]

Ricardo Wurmus <rekado@elephly.net> skribis:

> Ludovic Courtès <ludo@gnu.org> writes:
>
>> Ricardo Wurmus <rekado@elephly.net> skribis:
>>
>>> * guix/build-system/texlive.scm: New file.
>>> * guix/build/texlive-build-system.scm: New file.
>>> * Makefile.am (MODULES): Add them.
>>> * doc/guix.texi (Build Systems): Document it.
>>> * gnu/packages/tex.scm (%texlive-tag, %texlive-revision): Remove variables.
>>> (texlife-ref): Remove procedure.
>>
>> [...]
>>
> […]
>>> +(define* (build #:key inputs build-targets tex-format #:allow-other-keys)
>>> +  ;; Find additional tex and sty files
>>> +  (setenv "TEXINPUTS"
>>> +          (string-append
>>> +           (getcwd) ":" (getcwd) "/build:"
>>> +           (string-join
>>> +            (append-map (match-lambda
>>> +                          ((_ . dir)
>>> +                           (find-files dir
>>> +                                       (lambda (_ stat)
>>> +                                         (eq? 'directory (stat:type stat)))
>>> +                                       #:directories? #t
>>> +                                       #:stat stat)))
>>> +                        inputs)
>>> +            ":")))
>>> +  (setenv "TEXFORMATS"
>>> +          (string-append (assoc-ref inputs "texlive-latex-base")
>>> +                         "/share/texmf-dist/web2c/"))
>>> +  (setenv "LUAINPUTS"
>>> +          (string-append (assoc-ref inputs "texlive-latex-base")
>>> +                         "/share/texmf-dist/tex/latex/base/"))
>>
>> Should these variables be declared as search paths somewhere?
>
> I don’t think they should.  There are many more environment variables
> needed by a usual TeX Live installation, but they are usually configured
> in “texmf.cnf” and with special syntax e.g. to permit recursive
> traversal (ending on “//”).  These three variables are just the bare
> minimum I needed to run “latex” or “luatex” on the packages up to this
> point.
>
> If we really do need more in the future it might be better to create a
> custom “texmf.cnf” and set the TEXMFCNF variable to use it.

OK, makes sense.

Ludo’.