[Qt-jambi-interest] qt-jambi rpm

[chris at schlagmichtod.de]

Do i get this right, does this mean you have some QT-Libs two times on the System then!?
One "regular" QT-version with MMX etc. and one without, built for use with QtJambi!?

Gosh...

Does anyone know if the actual OpenJDK-Build (OpenJDK6) also suffers from this BUG?
As OpenJDK now even made it into Debian SID, i guess there should not be many (legal)issues preventing its use with Jambi... 

Just a suggestion...

greetings,
Chris

"Alexander Egger" <alexander.egger at gmail.com> schrieb am 15.07.2008 10:23:
> 
I started creating a RPM at opensuse build service. But was not able
to get it working by now.

On thing I found out is, that you should not try to reuse the existing
QT installation of the distribution to compile against.

The main reason for this is that the QT for qtjambi has to be compiled
using --no-mmx etc (see documentation of qtjambi).

So to build the rpm you have to first build qt and then to build qtjambi.

If you are interested in the spec file I created (although its not
ready now) I will send it to you.

Alexander

On Tue, Jul 15, 2008 at 8:37 AM, Eskil Abrahamsen Blomfeldt
<eblomfel at trolltech.com> wrote:
> Markus Walser wrote:
>> Since currently no distribution is delivering qtjambi-4.4 and I
>> couldn't find an rpm, II was thinking a bit how to
>> organize such a rpm structure. One basic question that raised: Would
>> it be possible to use the normal qt
>> libraries form "/usr/lib " instead of putting a copy of the nativ
>> libraries to ".../jvm/java/jre/lib/..." ? Or may I run
>> then into a java VM boundry problem?
>
>
> Hi, Markus.
>
> You should be able to run Qt Jambi against any Qt distribution as long
> as the versions match and Qt Jambi is built from source against the
> actual configuration of Qt against which you are running it.
>
> However, one problem I do foresee, is that there is a bug in the JVM
> causing it to crash at random when running with code that uses SSE or
> MMX instructions. Therefore, to protect yourself against these crashes,
> the Qt version against which you run Qt Jambi should be configured with
> the options:
>
>    -no-mmx -no-sse -no-sse2 -no-3dnow
>
> As far as we know, this is a problem exclusive to Sun's Virtual Machine
> version 1.5, so hopefully it should not occur if you use any other
> implementation.
>
> -- Eskil
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>



-- 
Dr. Alexander Egger, Studiengang IT & IT-Marketing
CAMPUS 02 Fachhochschule der Wirtschaft GmbH
Körblergasse 126, 8021 Graz, Austria/EUROPE
T:+43 316 6002 395 M:+43 699 14102026

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