[Nexus] Mac OSX 64 Bit NeXus Libraries

[Akeroyd, FA (Freddie)]

Stefan,

The new NeXus OSX package was not really a "new version" - it was just a
rebuild of the previous kit to add java; thus I should not actually have
incremented the patch number. As far as I know macosx ignores the patch
number anyway, so I have reverted back to "4.2.0" and will call the
files "4.2.0-n" in future to signify any rebuilds.

I have now managed to generate a combined 32bit / 64bit universal binary
and put it at
http://download.nexusformat.org/kits/macosx/NeXus-4.2.0-2.dmg
Previously I had issues with getting HDF to build this way as HDF makes
decisions about type sizes etc. at the ./configure script stage and
hence you could be using incorrect answers for some of your
32bit/64bit/intel/ppc cross compiles. I believe I have sorted out these
issues, but I do not have a 64bit OSX system to test this and so would
be grateful for any feedback.

Regards,

Freddie Akeroyd


> -----Original Message-----
> From: nexus-bounces at nexusformat.org [mailto:nexus-
> bounces at nexusformat.org] On Behalf Of Stefan Flemming
> Sent: 30 June 2009 11:26
> To: nexus at nexusformat.org
> Subject: [Nexus] Mac OSX 64 Bit NeXus Libraries
> 
> Hello,
> 
> I realized that a new OSX Package is ready to download.
> Apart from the fact that the version String was not updated in the
> text file, shown by the installer I have a second issue.
> 
> Apple stopped to publish Java Virtual Machines for 32 bit in the end
> of 2008.
> So all operating systems that are shipped with new hardware have a
> preinstalled Java 6 VM with 64 bit only.
> 
> While Sun publishes the VM for all other operating systems with 32 and
> 64 bit support, they are not responsible for the VM on OSX.
> 
> My problem is now, that a 64 bit Java VM is definitely not able to
> load 32 bit libraries. I was able to test this on Windows, Linux and
> Mac OS
> and have response by the Java Community.
> 
> The latest Nexus package seems to be shipped with 32 bit binaries and
> so, they are not usable with 64 bit systems.
> 
> So my appeal, could you please ship your NeXus Library additionally
> with 64 Bit libraries to make them usable on all my 64 bit systems?
> 
> Regards,
> 
> Stefan Flemming
> 
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