[Lazarus] startlazarus crash in Ubuntu 14:04

[Flávio Etrusco]

On Wed, Apr 23, 2014 at 12:56 PM, zeljko <zeljko at holobit.net> wrote:

> On 04/23/2014 10:14 AM, FreeMan wrote:
>
>> His problem is with 32 bit. I guess it's because of libpixman which
>>> crashes if it isn't compiled with -mstackrealign.We, lazarus
>>> developers cannot do anything about this problem.
>>>
>> Is this mean problem on just Ubuntu 14.04 - 32 bits gtk 2 ?
>>
>
> That means: any 32bit gtk2 application created by fpc compiler will crash
> on any distro which realigns stack (eg sse2/sse3) inside library.
> Currently libpixman.so is critical (but tomorrow any C lib can be
> critical), so such lib should be rebuilt with -mstackrealign passed to gcc
> or fpc devels should make some magic to avoid such problem.Maybe it will be
> good to open issue at fpc bugtracker about this.
>
>
>  second question if any application created other platform and
>> crosscompiled to linux 32bit, and this application has crash on Ubuntu
>> 14.04 - 32 bits gtk 2
>>
>
> Yes if we have above scenario. If you rebuild libpixman by yourself (with
> -mstackrealign passed to gcc) then it won't crash.
>
> There is already story about that problem:
> http://bugs.freepascal.org/view.php?id=15582
>
> zeljko


Do you think it's useful to vote "affects me" in
https://bugs.launchpad.net/ubuntu/+source/pixman/+bug/1297845 ?

-Flávio
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