[100%] Built target worldserver_pch_dephelp
[100%] Built target pch_Generate_worldserver
make[2]: *** No rule to make target `/usr/lib/libz.so', needed by `src/server/worldserver/worldserver'. Stop.
make[1]: *** [src/server/worldserver/CMakeFiles/worldserver.dir/all] Error 2
make: *** [all] Error 2
I use centos 5 32 bit
Who knows what the problem is?