Re: installing libpng.so

[Joerg Sonnenberger <joerg%bec.de@localhost>]

On Wed, Jul 18, 2018 at 12:33:50PM +0000, coypu%sdf.org@localhost wrote:
> On Wed, Jul 18, 2018 at 11:34:15AM +0200, Thomas Klausner wrote:
> > On Tue, Jul 17, 2018 at 09:14:49AM +0000, coypu%sdf.org@localhost wrote:
> > > Extra versioned bullshit is making using not-pkgsrc hard.
> > 
> > I haven't checked, but I thought that many distributions have the
> > versioned file only. Perhaps I'm mistaken, but it doesn't matter because of:
> > 
> > > We can strip the violent hacks we do in buildlink3.mk because the rest
> > > of the world installs with -lpng and now non-pkgsrc use will work again.
> > 
> > No, only ancient packages directly use -lpng, all the others use
> > pkg-config (as they should) and work fine.
> 
> You are concealing how many packages need this with having this violent
> hack:
> 
> BUILDLINK_TRANSFORM+=   l:png:png16

Seriously, you are barking at the wrong tree. We didn't invent this and
we are certainly not the only system doing it.

> I've personally had to explain to people that no, they can't just expect
> libraries to exist under the name they would be provided under on a
> default installation of libpng.

They already have to do that if they want to build on many Linux
systems. Red Hat, SuSE just to name two. 

Joerg