Problem with building a non-shareable QKDRIVER

[Hamilton, Allison]

The dalock objects should be built with DECC since at least 710Gn on both
platforms.  We no longer use VAXC.

-----Original Message-----
From: Chris Sharman [mailto:Chris.Sharman@ccagroup.co.uk]
Sent: Thursday, May 03, 2001 6:34 AM
To: RessingM@unive.nl
Cc: Chris.Sharman@ccagroup.co.uk; powerh-l@lists.swau.edu
Subject: RE: Problem with building a non-shareable QKDRIVER



> we are using PH 7.10F2 on Open VMS for Alpha 7.1.
> Because we are having some trouble with external routines (C-routines) we
> tried to build the QKDRIVER as non-shareable instead of shareable. 
> We didn't manage to do that because after calling 'buildexternal' with the
> '/noshare' flag we get the following error:

Non-shareable won't work.
An image is either shareable or executable, and you can only run one
executable
at a time (eg QUICKA710F.EXE) - the images it links to must be shareable.
Shareable images by definition don't (mustn't) have a main() program, just
some
functions of global scope, declared as universal by a symbol_vector in the
linker options file.

I've never used buildexternal myself: I just link my own shareable images,
and
I've never had any trouble.

In the past I've used ph_location:dalock.aobj (which I don't recommend).
I've run into conflict between VAXC & DECC. (I think DALOCK used to be
VAXC).

I used to use the following in my linker options files:

 sys$share:vaxcrtl/share
 psect_attr=userbreak,noshr     ! from DALOCK/VAXC

but no longer need it, apparently (710G3, Alpha VMS 7.1).
We're mostly Pascal here, rather than C, but we do have one DECC module I
can
think of which we've successfully put into a QKDRIVER image & called from
Quick.

If you need more specific help, you'll have to more clearly describe your
problems.

Regards,
Chris Sharman
_______________________________________________________________________
Chris.Sharman@CCAgroup.co.uk		http://www.ccagroup.co.uk/
CCA Stationery Ltd, Eastway, Fulwood, Preston, Lancashire, PR2 9WS.


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