libpng Problem with self-compiled sim

[Sebastian Gutweiler <sebastian@gutweiler.net>]

Hi,

I compiled sim myself, and now I get many of these errors: 

libpng warning: Application was compiled with png.h from libpng-1.2.1
libpng warning: Application  is running with png.c from libpng-1.0.12
libpng error: Incompatible libpng version in application and library
 
The program doesn't show any png-pictures. I used Ralf Nolden's 3.1 packages
for compiling, but I don't know if the problem is in sim, the packages
or me. 

Can anybody help me?

Thanks!

Sebastian