Re: Q: Performer/Library version numbering: -set_version.

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Marcus Barnes (marcus++at++multigen.com)
Fri, 11 Apr 1997 11:57:07 -0700

On Apr 11, 2:31pm, Mark Baranowski wrote:
> Subject: Q: Performer/Library version numbering: -set_version.
>
> Can anyone explain the meaning of the different DSO/library versions
> (as used with the -set_version option to ld).

For the most part they represent sets of binary and/or link compatible DSO's.
Performer DSO's with different major versions (ie [234]) will not work
together.

> I am specifically interested in how they relate to Performer releases
> (i.e. is sgi3.0 Performer 2.1, sgi2.0 Performer 2.0 etc?).

Perf. | DSO IVERSION
=================================
2.0.X | sgi2.X
2.1.X | sgi3.X
2.2.X.Y | sgi4.X.Y*

* "X" denotes maintenance version
* "Y" denotes alpha version

/usr/include/Performer/pr.h defines two or three version symbols. The
maintenance symbol is not defined in 2.0, 2.0.1, 2.0.2.

#define PF_MAJOR_VERSION 2
#define PF_MINOR_VERSION 2
#define PF_MAINT_VERSION 0

> Do I need to use them if I am writing my own libraries?

Yes.

> If so what convention should I follow?

Use the same convention as Performer. Loader's in particular much match the
version string that pfdLoadFile is using.

Regards.

--
+ Marcus Barnes, Technical Staff        mailto:marcus++at++multigen.com +
+ Multigen Inc.                         http://www.multigen.com    +
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