2010-12-07  Peter Breitenlohner  <peb@mppmu.mpg.de>

	* configure.ac, Makefile.am: Remove obsolete zlib-1.2.3.

2010-09-27  Peter Breitenlohner  <peb@mppmu.mpg.de>

	Import zlib-1.2.5.

2010-04-04  Peter Breitenlohner  <peb@mppmu.mpg.de>

	Prepare for zlib-1.2.4
	* configure.ac, Makefile.am: Use AC_CONFIG_COMMANDS to create
	zconf.h.

2009-01-28  Peter Breitenlohner  <peb@mppmu.mpg.de>

	Adapt to TL2009 build system.
	Add a test case for 'make check'.