For installation instructions see the Section called Installing Zlib-1.1.4 in Chapter 6.
Zlib (1.1.4):
http://www.gzip.org/zlib/
Zlib Patch (1.1.4):
http://downloads.linuxfromscratch.org/
(Last checked against version 1.1.4.)
The Zlib package contains the zlib library, which is used by many programs for its compression and uncompression functions.
Zlib installs the following:
libz[a,so]
(Last checked against version 1.1.4.)
libz contains compression and uncompression functions used by some programs.
(Not checked yet.)