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Subject: Re: [hwloc-devel] [hwloc-svn] svn:hwloc r2975
From: Guy Streeter (streeter_at_[hidden])
Date: 2010-12-22 09:59:58


On 12/22/2010 02:36 AM, Brice Goglin wrote:
> I'll backport this in 1.1 later, in case somebody wants to fix the
> English speaking.
>
> Brice
>

For the benefit of the Perl and Python bindings efforts, it would be good if
we could query the runtime library for it's API version.
--Guy

>
>
> Le 22/12/2010 09:28, bgoglin_at_[hidden] a écrit :
>> Author: bgoglin
>> Date: 2010-12-22 03:28:55 EST (Wed, 22 Dec 2010)
>> New Revision: 2975
>> URL: https://svn.open-mpi.org/trac/hwloc/changeset/2975
>>
>> Log:
>> Add a FAQ entry about HWLOC_API_VERSION
>> Text files modified:
>> trunk/doc/hwloc.doxy | 36 ++++++++++++++++++++++++++++++++++++
>> 1 files changed, 36 insertions(+), 0 deletions(-)
>>
>> Modified: trunk/doc/hwloc.doxy
>> ==============================================================================
>> --- trunk/doc/hwloc.doxy (original)
>> +++ trunk/doc/hwloc.doxy 2010-12-22 03:28:55 EST (Wed, 22 Dec 2010)
>> @@ -1294,5 +1294,41 @@
>> (that may for instance be transmitted between applications through a socket).
>>
>>
>> +\section faq_upgrade How do I handle API upgrades?
>> +
>> +The hwloc interface is extended with every new major release.
>> +Any application using the hwloc API should be prepared to check at
>> +compile-time whether some features are available in the currently
>> +installed hwloc distribution.
>> +
>> +To check whether hwloc is at least 1.1, you should use:
>> +\verbatim
>> +#include<hwloc.h>
>> +#if HWLOC_API_VERSION>= 0x00010100
>> +...
>> +#endif
>> +\endverbatim