building an extension

[Vlachidis Costas]

Hi
Trying to built an extension (image python) ,and after  make  -f
Makefile.pre.in boot
and again doing make ,I had the results
--first  imaging.c,decode.c,encode.c,map.c,display.c,path.c, are
compiled, and then
---during imaging.so linking I get the message
"/usr/i486-linux/bin/ld:cannot open -lz: Nosuch file or directory"
My system is a Suse6.0Linux on a pentium100
I apreciated if someone helped me
Thank you
Costas
vlachid at otenet.gr