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[Frama-c-discuss] Error on using pp-annot

  • Subject: [Frama-c-discuss] Error on using pp-annot
  • From: frank at strato.de (Frank Dordowsky)
  • Date: Tue, 1 Apr 2014 21:36:22 +0200 (CEST)
  • In-reply-to: <CAOH62JiHCiHPUJRidjsvkv_1USR_qsStz1CYgOPak+HM6MCnMw@mail.gmail.com>
  • References: <alpine.LNX.2.03.1403300940120.3220@strato.de> <CAOH62JhJErP1S-T80t6TTWDj4DB+89aGb3BHSNM3=vAKEJMz-Q@mail.gmail.com> <CAOH62JiriPFVqKf1-ynK_5BurCv8WR0kNDUECH-tG_4gSnvbBA@mail.gmail.com> <alpine.LNX.2.03.1403301438460.3899@dordowsky.de> <CAOH62JiHCiHPUJRidjsvkv_1USR_qsStz1CYgOPak+HM6MCnMw@mail.gmail.com>
That was a pointer to the right direction. However, the option -ffreestanding did not work. With help of a C guru at my office I
found another option that did the trick: -fpreprocessed <stdc-predef.h>. My complete command now reads:

frama-c -cpp-extra-args="-I `frama-c -print-share-path`/libc" 
-cpp-extra-args="-nostdinc" -cpp-extra-args="-fpreprocessed 
</path/to/stdc-predef.h>" -wp -wp-rte -pp-annot constant.c

So thanks again for your help.
Frank

On Sun, 30 Mar 2014, Pascal Cuoq wrote:

> On Sun, Mar 30, 2014 at 2:50 PM, Frank Dordowsky <frank at strato.de> wrote:
>
>       ? ? ? ? frama-c -cpp-extra-args="-nostdinc" -cpp-extra-args="-I
>       `frama-c -print-share-path`/libc" -pp-annot -wp -wp-rte
>       constant.c
>
>       There are no more warnings now (I skipped these in my previus
>       posting), but unfortunately the error remains:
>
>       [kernel] preprocessing with "gcc -C -E -I. -I
>       /usr/share/frama-c/libc -nostdinc -dD constant.c"
>       /usr/include/stdc-predef.h:1:[kernel] user error: unexpected
>       token '/'
>       [kernel] user error: skipping file "constant.c" that has errors.
>       [kernel] Frama-C aborted: invalid user input.
> 
> Is there still a mistake in the command?
> 
> 
> There is still something strange, which is that a header from /usr/include
> finds itself included when it shouldn't. Considering the name of the file,
> ?stdc-predef.h?, it may be a file that is systematically included before
> every pre-processed file, and that is not disabled by -nostdinc. This is
> between you and your compiler, I am afraid, but googling for ?stdc-predef.h?
> produces a list of results the first entry of which is a webpage containing
> the line:
> 
> As a workaround, the?stdc-predef.h?preinclude can be disabled with the use
> of - ffreestanding
> 
> This is the page the above sentence comes
> from:?http://gcc.gnu.org/gcc-4.8/porting_to.html
> 
> It seems worth a try.
> 
> Pascal
> 
> 
>

Frank Dordowsky
S?ntisstr. 37
81825 M?nchen
E-Mail: frank at dordowsky.de