PPS So far we have received a VERY limited response to this call. Please see a nice hint from Bill Scott if you are in doubt whether your Mac is capable of running 64-bit applications:

Hi Eugene:

If there are many people who think they need 32-bit support, you might want to request they issue the command

  % sysctl hw |grep 64bit

If it comes back with a "1", i.e.,

   hw.cpu64bit_capable: 1

then they can still run the 64-bit binaries even if they are running a 32-bit kernel (eg: on 10.6.8).

The very old white iMac and the first-generation white and black macbooks are the only ones I am aware.

Bill

Begin forwarded message:

Date: 12 July 2013 14:09:25 GMT+01:00
To: CCP4BB <[log in to unmask]<mailto:[log in to unmask]>>
Subject: Fwd: [ccp4bb] CCP4 Support 32 bit OSX - request for feedback

PS Please consult http://support.apple.com/kb/ht3696 for how to determine your CPU type. Many thanks -- Eugene

Begin forwarded message:

From: Eugene Krissinel <[log in to unmask]<mailto:[log in to unmask]>>
Date: 12 July 2013 12:47:26 GMT+01:00
To: <[log in to unmask]<mailto:[log in to unmask]>>
Subject: [ccp4bb] CCP4 Support 32 bit OSX - request for feedback
Reply-To: Eugene Krissinel <[log in to unmask]<mailto:[log in to unmask]>>

Dear CCP4 Users,

CCP4 Core Team is in final stages for 6.4.0 Release. Every release and subsequent support takes a considerable effort, which scales linearly with the number of supported platforms. This makes us to periodically revise the scope of support we can offer to community.

Since at least 4 years ago, Apple stopped manufacturing and support of 32-bit architectures, both on hardware and software side. This means that further support of 32-bit Macs by CCP4 will be completely unjustified in some future, and may be uneconomical already today.

Yet, before taking any radical actions, we would like to estimate the number of actual 32-bit Mac OSX users of CCP4. I therefore solicit a feedback from everybody who:

a) has a 32-bit Mac machine running CCP4                                 AND
b) uses this machine for CCP4ing routinely                                  AND
c) has no plans to acquire a 64-bit equivalent in 6 months time.

It would help us greatly to estimate the demand, if all such users send content-less e-mails to

mail-to:    [log in to unmask]<mailto:[log in to unmask]>
Subject:   32-bit Mac:  YES  [system]

where [system] is your Mac OSX release, such as 10.4, 10.5 or 10.6.

PLEASE DO NOT CC THIS TO THE WHOLE CCP4BB BY MERE REPLYING TO THIS E-MAIL!

I appreciate your time and willingness to help.

Many thanks,

Eugene Krissinel.


Begin forwarded message:

Date: 10 July 2013 16:35:44 GMT+01:00
To: hari jayaram <[log in to unmask]<mailto:[log in to unmask]>>
Cc: <[log in to unmask]<mailto:[log in to unmask]>>
Subject: Re: [ccp4bb] CCP4 package manager not available for 32 bit OSX?

Sadly not, we are dropping support for 32-bit Macs. You can still install 32-bit CCP4 6.3.0 from dmg.

Sorry -- Eugene

On 10 Jul 2013, at 16:04, hari jayaram wrote:

Hi ,
I am trying to use the CCP4 package manager on my 32 bit OSX 10.6.8 running laptop and it complains

"/bin/sh: Volume/setup/.pm/Setup.app/Contents/MacOS/Setup: Bad CPU type in executable.

Is there a 32 bit package manager available...
Thanks
Hari

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