[m-users.] ODBC library

[Volker Wysk]

Hi Julien!

Am Montag, dem 17.01.2022 um 03:21 +1100 schrieb Julien Fischer:
> Hi Volker,
> 
> On Sun, 16 Jan 2022, Volker Wysk wrote:
> 
> > Am Sonntag, dem 16.01.2022 um 16:35 +1100 schrieb Julien Fischer:
> > > I will rename the Mercury library to libmercury_odbc, which should
> > > avoid that problem (and will hopefully assist in reducing confusion).
> > 
> > You haven't done that yet,
> 
> No, I was trying (and failing) to get unixODBC to talk to the
> DB installed on my desktop instead :-(
> 
> > right now, in Git. I'd like to volunteer to do
> > this. All the prefixes "odbc." need to be changed to "mercury_odbc.". Okay?
> 
> The odbc module doesn't need to be changed at all; none of the symbol
> names it exports should overlap with those in unixODBC.  (The mercury
> symbols will all be prefix with 'mercury__' and those defined in
> foreign_code pragmas should be be prefixed with 'MODBC_'.)
> 
> To rename the library, all you need to do is add a dummy module named
> mercury_odbc that imports the odbc module and adjust the Mmakefile etc
> to build mercury_odbc instead.  The contents of mercury_odbc, just 
> need to be
> 
>      :- module mercury_odbc.
>      :- interface
>      :- import odbc.
> 
> This is the approach that is used in many of the other extras
> (e.g. extras/cgi or extras/graphics/mercury_opengl).

I've already done what I've volunteered for, and changed the odbc.m
(renamed) and odbc_test.m files. Works well. Now I'll throw that away. (It's
not much of it).

I leave it to be done your way to you, since it's little to do, and I don't
know Mmakefiles.

Regards, Volker
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