toolchain's output depends on toolchain used to build the compiler?
Shachar Shemesh
shachar at shemesh.biz
Tue Feb 9 10:52:53 IST 2010
ronys wrote:
> Hi Shachar,
>
> Interesting problem. Here are some thoughts:
>
> Can you control the level of optimization used by the customer? Does
> -O0 create identical object code?
>
Havn't tested yet, but my gut feeling is "yes".
> What are the differences in code? Perhaps they're related to the
> different paths? (If the lengths of the paths are different, and
> they're stored somewhere in the object code, that'll change the results)
The question is why should identical source code produce different paths
when compiled with the same compiler?
>
> You might also want to compare the assembly-language output (-S) to
> narrow down the problem.
-d is better, as it does not overlay the source. If you read what I
wrote - that was what I was doing.
>
> If the customer needs cygwin for internal use, I'd suggest using a
> virtualization solution such as VirtualBox instead - the integration
> with Windows is quite impressive.
At this point in time, it will have to remain a dual environment.
Shachar
--
Shachar Shemesh
Lingnu Open Source Consulting Ltd.
http://www.lingnu.com
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mailman.cs.huji.ac.il/pipermail/linux-il/attachments/20100209/0540d387/attachment.html>
More information about the Linux-il
mailing list