Re: __STRICT_ANSI__ checks in headers

From: Kyle Moffett
Date: Thu Oct 05 2006 - 04:57:29 EST


I'm away from my regular work systems at the moment, but I have a couple ideas:

On Oct 05, 2006, at 04:16:11, Ismail Donmez wrote:
01 Eki 2006 Paz 12:14 tarihinde, Sam Ravnborg ÅunlarÄ yazmÄÅtÄ:
On Sun, Oct 01, 2006 at 10:34:56AM +0300, Ismail Donmez wrote:
On Sunday 01 October 2006 08:20, Kyle Moffett wrote:
[...]
Just thinking about it we probably also need to educate sparse about
__extension__ too. Perhaps somebody could also add an sparse flag to
make it warn about nonportable constructs in exported header files.

I'd submit a patch but my knowledge of kernel makefiles and depmod is
somewhere between zero and none, exclusive.

Thanks, I will have a look at it.

I assume you will same errors from the in-kernel modpost.
If you do not do so then there is some inconsistency between depmod
and modpost that ougth to be fixed.

The problem shows itself in the modpost, somehow __extension__ clause seems to
foobar module CRC. I am not yet successfull on making modpost ignore
__extension__ .

Since GCC doesn't actually _do_ anything with __extension__ in the object output files, it must be a C-file-based parser problem, so you should probably be able to build one of the problematic modules and diff the resultant .cmd files, the .mod files, and the .mod.c files. Sorry I can't be of more help.

Cheers,
Kyle Moffett-
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