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[Frama-c-discuss] patchFile

  • Subject: [Frama-c-discuss] patchFile
  • From: WPineault at xprt.dsci.com (Wayne Pineault)
  • Date: Wed, 11 Apr 2012 20:44:04 +0000
  • In-reply-to: <CABbVA-C4bBkwoUEe0KA6hDtN9ScXiDofvyyQe6q=6d_Kaa4abA@mail.gmail.com>
  • References: <C7C9CF2CAED7624F9C0B900A19A24EEE047208DA@njcorpmb1.dscinjcorp.com>, <CABbVA-C4bBkwoUEe0KA6hDtN9ScXiDofvyyQe6q=6d_Kaa4abA@mail.gmail.com>
Hi Boris,

I have made huge changes to the share directory .c and .h files to get some of my plugins to work correctly.

I have tried the -nostdinc directive (and this was my 4'th worst fix) but I currently have 12424 headers in my /usr/include directories and didn't want to provide a copy of all of these!

I think that what I will do is edit the files that I need and save them in /tmp and then run frama-c on those files from their originating directory since it seems that the local include files will still be used.

I am still on Fedora 14, I tried to compile Boron on a Fedora core 16 and the libraries that it needed were not found.  What Linux version does Nitrogen compile on?

Thanks,

Wayne
________________________________________
From: frama-c-discuss-bounces at lists.gforge.inria.fr [frama-c-discuss-bounces at lists.gforge.inria.fr] on behalf of Boris Yakobowski [boris at yakobowski.org]
Sent: Wednesday, April 11, 2012 2:04 PM
To: Frama-C public discussion
Subject: Re: [Frama-c-discuss] patchFile

Hi,

On Wed, Apr 11, 2012 at 4:20 PM, Wayne Pineault <WPineault at xprt.dsci.com> wrote:
> My goal is to analyse C code without modifying the original source code.  I
> want to get rid of all the #include <filename.h> directives since Frama-C
> value analysis does not work properly with these files included.

Not including headers is a bad idea in general. Although Frama-C may
parse a code in which a function is used before having been declared,
the implicit declaration mechanism present in ANSI C will sometimes
lead to subtly broken abstract syntax trees.

Are the <filename.h> files you wish to skip those of the standard C
library? If so, did you try gcc's option "-nostdinc" (or the
equivalent one for your preprocessor); using the headers of your
system is almost always a bad idea. You can also try to include the
standard library which is packaged by Frama-C (and installed in
$SHARE/frama-c/libc), but before doing so, you should really upgrade
to Nitrogen.

Hope this helps,

--
Boris

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