On Wed, Nov 13, 2019 at 9:35 AM Richard Hector <rich...@walnut.gen.nz>
wrote:

> On 12/11/19 4:39 PM, Dan Hitt wrote:
> > I installed the package libmypaint1.3.0 on my debian 10 system.
>
> Best to copy & paste these things - I assume you mean libmypaint-1.3-0
>
> >
> > I can tell it is installed because when i run the command
> > sudo apt-get install libmypaint-1.3.0
>
> Different again :-)
>
> > the system responds with "libmypaint-1.3-0 is already the newest
> version".
> >
> > It also says "libmypaint-1.3-0 set to manually installed", which i do
> > not know how to interpret.
> >
> > Nevertheless, if i run the command
> > pkg-config --exists --print-errors "libmypaint >= 1.3.0"
> > i get the message "No package 'libmypaint' found" (and exit status 1).
>
> Note that the package name is "libmypaint-1.3-0", not "libmypaint", so
> that's what I would expect. Not that I'm familiar with pkg-config.
>
> Richard
>
>
Hi Richard,

Thanks for your mail!

You are right that i should have used copy/paste!  Actually, i normally do
exactly that, to avoid any chance of error.

Presumably there are two notions of package at work here: one with debian
names and one with pkg-config names (perhaps they could be called
"developer" names)?  Per The Wanderer (thanks again!) one can find the
debian package name with apt-file, and per Joe P (thanks Joe!) it would
probably suffice just for me to just install the developer name that
pkg-config is wanting (so that the right debian package will then be
installed which the pkg-config package depends on).

I appreciate everybody's help here!
dan

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