[CentOS] installation needs libpng but rpm is there

Wed Feb 11 13:19:48 UTC 2009
Pintér Tibor <tibyke at tibyke.hu>

> configure: error: png library not found. please install libpng
> 
> but I check rpm is installed
> 
> libpng-1.2.10-7.1.el5_0.1
> 
> How can I do?

what do you install?
libpng-devel?

t