// Version 1.1, October 2010

1. Extract the source in thirdparty/zlib/zlib-X.Y.Z
2. Set the current directory to jcl/source/windows/obj/zlib
3. Update the makefile jcl/source/windows/obj/zlib/makefile.mak
3. Execute makefile.mak
4. Update zconf.h and zlib.h in jcl/source/common