[NeXus-tech] library versioning by file name

[Peterson, Peter F.]

I like the choice where libtool does most of the work (4:2:4 option). We may still want to change things in v4.3, but lets talk about that separately.

P^2

On Feb 24, 2010, at 4:01 PM, Pete R. Jemian wrote:

> As we say: "I have no dog in this fight."
> Sounds OK by me.
> 
> On 2/24/2010 8:24 PM, freddie.akeroyd at stfc.ac.uk wrote:
>> These are the notes for using libtool to do it
>> 
>> http://www.gnu.org/software/libtool/manual/html_node/Versioning.html#Versioning
>> 
>> http://www.gnu.org/software/libtool/manual/html_node/Release-numbers.html#Release-numbers
>> 
>> we have currently been using a default -version-info of “0:0:0” (hence
>> libNeXus.so.0.0.0 and an internal soname of libNeXus.so.0)
>> 
>> If I set the -version-info to “4:2:4” then we get a library name of
>> libNeXus.so.0.4.2 with an internal soname also of libNeXus.so.0 and
>> hence no break in previous application compatibility
>> 
>> If we want to have libNeXus.so.4.2.0 then we need to do it by hand and
>> set an soname of libNeXus.so.4 (but leaving a libnexus.so.0 around so as
>> not to break compatibility). The advantage of libtool is that it will
>> handle windows and mac versioning for us, but at the expense of slightly
>> worse visible version numbers.
>> 
>> What do people think
>> 
>> BTW I have added a NXgetversion function
>> 
>> Freddie
>> 
>> 
>> --
>> Scanned by iCritical.
>> 
>> 
>> 
>> 
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> 
> -- 
> ----------------------------------------------------------
>  Pete R. Jemian, Ph.D.                <jemian at anl.gov>
>  Beam line Controls and Data Acquisition, Group Leader
>  Advanced Photon Source,   Argonne National Laboratory
>  Argonne, IL  60439                   630 - 252 - 3189
> -----------------------------------------------------------
>     Education is the one thing for which people
>        are willing to pay yet not receive.
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