[tex-live] [XeTeX] TeXLive Pretest - XeTeX segfaults on LInux 64

[Peter Breitenlohner]

On Mon, 19 Jul 2010, ulrik.vieth at arcor.de wrote:

> The segfault did occur with the latest XeTeX version 0.9997.4.
>
> Updating from 0.9997.3 to 0.9997.4 changed it from segfaulting
> immediately when loading unciode-math to segfaulting only in
> certain situation, depending on what kind of formulas you typeset.
>
>> with fontconfig-2.7.3 (libfontconfig.so.1.4.3).
>
> Ubuntu 10.4 ships with fontconfig-2.8 rather than fontconfig-2.7.x.
> Could there be compatibility issues with that?

Hi Ulrik,

in principle yes, although libfontconfig.so.1.4.3 (from 2.7.3) and
libfontconfig.so.1.4.4 (from 2.8.0) both use the same soname and thus ought
to be compatible.

I could try to build (actually already done) and install fontconfig-2.8.0,
but should then first upgrade freetype-2.3.11 => freetype-2.3.12 or maybe
even to freetype-2.4.1.

Moreover there are zlib-1.2.3/1.2.4/1.2.5!

Which versions are used by Ubuntu 10.4?

> Would it be better to use a static version of libfontconfig?

Reinhard has answered this.

> P.S: As I wrote earlier, my self-compiled version did not segfault
> when compiled on Ubuntu 10.4, but it did not work correctly either.
> As for the latter, I suspect another issue which may be unrelated
> to the segfaults.

Could this different behaviour be due to different gcc (and glibc?)
versions -- caused in both cases by some obscure bug?

Regards
Peter