libpng.so.3 Dependency Issues - Swarm installation

[Geoff Wright]

Hi,

I am sorry if this is an inappropriate question but I am having problems 
installing Swarm on RedHat 7.3.

I need to install the libpng-...- library from Paul Johnson's site which 
includes the libpng.so.3 file.  However, when I attempt to rpm it, I get a 
"failed dependency" error.  That is, a number of applications require 
libpng.so.2. It seems that rpm wants to overwrite libpng.so.2 and I assume 
that this would not be good.

I don't fully understand the rpm tool and I suppose that I could always 
install swarm with the tarball.  However, before I go ahead with this more 
time-consuming task I am wondering if there is an easy fix for this problem.

I have encountered this before with other rpm's and a good strategy for 
dealing with it would make my life much more enjoyable. Any advice would be 
much appreciated.

Thanks and take care,
geoff

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