Re: [PATCH] Make ubsan tests less picky about ansi escape codes in diagnostics.

[Yury Gribov <y.gribov@samsung.com>]

On 09/03/2015 07:45 PM, Jonathan Roelofs wrote:
>
>
> On 9/3/15 10:17 AM, Jakub Jelinek wrote:
>> On Thu, Sep 03, 2015 at 10:15:02AM -0600, Jonathan Roelofs wrote:
>>> +kcc, mrs
>>>
>>> Ping
>>>
>>> On 8/27/15 4:44 PM, Jonathan Roelofs wrote:
>>>> The attached patch makes the ubsan tests agnostic to ansi escape codes
>>>> in their diagnostic output.
>>
>> It wouldn't hurt if you explained in detail what is the problem you are
>> trying to solve and why something that works for most people doesn't
>> work in
>> your case.
>
> Hi Jakub,
>
> AFAICT, there are two ways to suppress the emission of color codes from
> ubsan's diagnostics:
>
>    1) Set an environment variable.
>    2) Make the output stream not a tty.
>
> #1 doesn't seem to be possible in DejaGnu without hacks.

AFAIR it can't be done for remote targets due to DejaGnu design limitations.

> #2 doesn't work in our environment because DejaGnu attempts to make
> itself appear to the program under test as if it were a tty. This might
> be an artifact of the fact that all of our testing is remote testing
> (though that is just blind speculation on my part:

AFAIK that's indeed the case.

Added Max.

-Y