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[Frama-c-discuss] "Re: How to ignore Incompatible declarations without emitting errors?"

  • Subject: [Frama-c-discuss] "Re: How to ignore Incompatible declarations without emitting errors?"
  • From: dmentre at linux-france.org (David MENTRE)
  • Date: Thu, 12 Sep 2013 13:59:22 +0200
  • In-reply-to: <523199BD.7010705@gmail.com>
  • References: <mailman.29.1378980073.12435.frama-c-discuss@lists.gforge.inria.fr> <523199BD.7010705@gmail.com>
Hello David,

2013/9/12 David <abiao.yang at gmail.com>:
> I was wondering whether i could pre-process c file by include frama-c
> library without -nostdinc flag, i.e. using frama-c share library along with
> including system headers by the following command :
> gcc -C -E -I/usr/local/share/frama-c/libc -I. test.c

I don't think so. For me this is complicated (a system header might
use another system header the defines a symbol identical to one in
Frama-C's header, even if at first sight both first level included
files are different) and risky (you might think that a symbol is
defined by a system header while in fact it is defined by a Frama-C
one, or vice versa).

It is probably better to use only Frama-C headers, maybe augmented by
copied/pasted and annotated version of system ones if Frama-C headers
are lacking some features.

Best regards,
david