[mesa-users] pgstar won't store files

[Craig Stephen Lage]

Thanks, Jonathan.  This helped, but I still don't have it fixed.  I
re-loaded libpng to version 1.5, and re-compiled, but I still have the
issue.  There are multiple versions of 1.2 scattered about - it must still
be finding one of them.  I'll keep trying. I have a work-around, in that it
will successfully store the images as .ps files.

Thanks,
Craig

On Sun, Apr 29, 2012 at 2:36 PM, Richard Townsend
<townsend at astro.wisc.edu>wrote:

> Hi Craig & Jonathan --
>
> I had hoped to solve this problem in the SDK by statically linking the PNG
> libraries. But this doesn't appear to be working. I'll have to look into
> the issue.
>
> cheers,
>
> Rich
>
> On Apr 29, 2012, at 11:38 AM, Jonathan Stott SJ wrote:
>
> > Hi Craig,
> >
> > I've had the same error (I'm on a Mac, but any OS with shared libraries
> will do).
> >
> > The problem is you have multiple copies of the dynamic libpng in your
> system and you're compiling against one set of headers but linking at
> runtime against the library from a different version.  In my case, there
> was a copy (v1.2.x) in /usr/local/lib and a different version (v1.5.x) in
> /usr/X11/lib.  I deleted the older copy in /usr/local/lib, recompiled the
> executable because I'm paranoid, and everything has worked fine since.
> >
> > Jonathan
> >
> > On Apr 29, 2012, at 10:27 AM, Craig Stephen Lage wrote:
> >
> >> All,
> >>
> >> I loaded mesa star using the mesasdk.  Everything seems to be running
> fine, and with pgstar I can see  the windows on the screen.  However, when
> I try to store the pgstar output, I get the following error:
> >>
> >> libpng warning: Application built with libpng-1.2.10 but running with
> 1.5.6
> >> PGPLOT /png: error in libpng while writing file
> pgstar_out/abund00021.png, plotting disabled
> >>
> >> I haven't been able to figure out where the problem is.  Any advice
> would be appreciated.
> >>
> >> Thanks,
> >> Craig Lage - NYU
> >>
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