[cairo] Crash of Racket on OpenBSD with Cairo 1.12.8

Juan Francisco Cantero Hurtado iam at juanfra.info
Fri Jan 11 14:48:45 PST 2013

On 01/10/13 02:32, Chris Wilson wrote:
> On Thu, 10 Jan 2013 02:02:36 +0100, Juan Francisco Cantero Hurtado <iam at juanfra.info> wrote:
>> I've problems compiling the gui-debugger of Racket on OpenBSD. I've been
>> trying different things the last month and the culprit is the update of
>> the OpenBSD port from 1.12.2 to 1.12.8. If I downgrade Cairo to the old
>> version, Racket compiles without problems. The crash only occurs on
>> i386, I can compile Racket on amd64. The funny thing is I doesn't have
>> this error on NetBSD with the same versions of Racket and Cairo.
>> I only want you confirms me if the bug is in Cairo or in Racket. Here
>> two backtraces of the crash but let me know if you need more info. Thanks!.
>> https://github.com/jasperla/openbsd-wip/blob/a1b5b22de241331e270700bad905376f52f04aef/lang/racket/backtrace-cairo_pango-i386.log
>> https://github.com/jasperla/openbsd-wip/blob/d022d83bc45e9a4dce20b7effe6defcfd80e2d4c/lang/racket/backtrace2-cairo_pango-i386.log
> It's the use of pixman-glyphs that was introduced in the update. Can you
> grab the debug symbols for pixman and a new backtrace?

Here is the new backtrace:

> Could be misdetection of features, or miscompilation, or just a plain
> old bug. At any rate it is cairo/pixman bug.
> -Chris

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