On 07/31/2014 03:54 AM, Mark Hills wrote:
> In our upgrade from SL 6.3 to 6.5, we experience a change to hwloc library 
> version, breaking binary applications.
> 
> My understanding was that I could expect ABI compatibility to be preserved 
> in an upgrade between minor releases like this. Are we incorrect to make 
> this assumption?
> 
> I found this document [1] from upstream which goes some way to documenting 
> the upstream version 7, is there similar documentation for version 6 or 
> SL6?
> 
> Many thanks
> 
> On SL 6.5:
> 
>   $ rpm -q hwloc
>   hwloc-1.5-1.el6.x86_64
> 
>   $ ls -l /usr/lib64/libhwloc.so.5*
>   lrwxrwxrwx 1 root root     17 Jul 27 23:58 /usr/lib64/libhwloc.so.5 -> libhwloc.so.5.1.0
>   -rwxr-xr-x 1 root root 166336 Feb 22  2013 /usr/lib64/libhwloc.so.5.1.0
> 
> On SL 6.3:
> 
>   $ rpm -q hwloc
>   hwloc-1.1-0.1.el6.x86_64
> 
>   $ ls -l /usr/lib64/libhwloc.so.1*
>   lrwxrwxrwx 1 root root     17 Jun 25 06:38 /usr/lib64/libhwloc.so.1 -> libhwloc.so.1.0.1
>   -rwxr-xr-x 1 root root 110392 May 20  2011 /usr/lib64/libhwloc.so.1.0.1
> 
> [1] https://access.redhat.com/articles/rhel-abi-compatibility
> 

FWIW - https://bugzilla.redhat.com/show_bug.cgi?id=797576 was the
request for an updated version.  No mention of ABI compatibility.


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Orion Poplawski
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