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[Frama-c-discuss] [Why3-club] Using Why3 api in frama-c plugin

  • Subject: [Frama-c-discuss] [Why3-club] Using Why3 api in frama-c plugin
  • From: Claude.Marche at inria.fr (Claude Marche)
  • Date: Mon, 08 Sep 2014 20:36:47 +0200
  • In-reply-to: <CAM1QBJNq7FHApsRb59nRDFPHThJ7XN+99UyFxJDfAn=Q-iLDNA@mail.gmail.com>
  • References: <CAM1QBJPSxOFR_XFUxaUmoyso-_kZDP6ZBLeN-ytmTaVEEuBiMA@mail.gmail.com> <5408B32C.70704@inria.fr> <CAM1QBJPA65qKmKLMP3=qdRrX=5ncdRiWu9fYPgHabKrADPpHig@mail.gmail.com> <5409FF58.6010202@inria.fr> <CAM1QBJO7cPFcwN6gJd1B85Pa6dZAObFnXQqLtn7SfdjxQn+CTA@mail.gmail.com> <20140905235422.09bdaf1e@gavalla> <CAM1QBJNq7FHApsRb59nRDFPHThJ7XN+99UyFxJDfAn=Q-iLDNA@mail.gmail.com>
I don't think this could be the reason. The Why3 library packs all its 
Ocaml modules into a main module called "Why3", so no name conflicts 
should occur.

I recommend that you set

VERBOSEMAKE=yes

in your Makefile, and send us the exact command line that generates a 
compilation error.

By the way, I have a possible explanation, because I faced that issue: 
with the last version 0.84 of Why3, if you enable the use of the camlzip 
library for file compression, then you may not be able to load the 
generated plug-in dynamically. In that case, a solution is to configure 
Why3 with option --disable-zip before its compilation.

- Claude

On 09/08/2014 05:07 PM, Jos? Pinheiro wrote:
> Ah, that should be the issue. Thank you for all of your inputs.
>
> Cheers,
> Jos? Pinheiro
>
> 2014-09-05 22:54 GMT+01:00 Virgile Prevosto <virgile.prevosto at m4x.org
> <mailto:virgile.prevosto at m4x.org>>:
>
>     Hello,
>
>     Le ven. 05 sept. 2014 21:41:39 CEST,
>     Jos? Pinheiro <7jpinheiro at gmail.com <mailto:7jpinheiro at gmail.com>> a
>     ?crit :
>
>     > Yes, i checked they are correctly installed and i also tested using
>     > the $(shell frama-c -print-lib-path) and  $(shell frama-c
>     > -print-share-path) accordingly.
>     >
>     > I was able to fix the error, by opening on the source code of the
>     > plugin both the modules Plugin and Printer.  For some reason this two
>     > modules now require that i explicitly open them in the source code,
>     > all the other modules are working normally without the need to
>     > explicit opening them in the source code.
>     >
>
>     The issue is very probably that Why3 also has modules called Plugin and
>     Printer, a situation which confuses OCaml when it is asked to search
>     for .cmi in both Why3 and Frama-C library directories. There's little
>     that can be done short of renaming or packing the files (in particular,
>     I wouldn't bet that your fix will work consistently across various
>     OCaml versions).
>
>     Best regards,
>     --
>     E tutto per oggi, a la prossima volta.
>     Virgile
>
>     _______________________________________________
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>
>
>
>
> --
> Cumprimentos,
> Jos? Pinheiro
>
>
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