2020-12-03  Karl Berry  <karl@freefriends.org>

	* configure.ac (CFLAGS): do not force -O3 if gcc; there are endless
	optimization options these days.
	(AC_HEADER_STDC): remove since it will be a no-op in the upcoming
	autoconf-2.70, and is presumably not needed; do not explicitly test
	$ac_cv_header_stdc since it won't be defined.

2017-01-15  Akira Kakuto  <kakuto@fuk.kindai.ac.jp>

	Import zlib-1.2.11.

2017-01-03  Akira Kakuto  <kakuto@fuk.kindai.ac.jp>

	Import zlib-1.2.10.

2016-02-15  Karl Berry  <karl@tug.org>

	* zlib-src: rename dir from zlib-1.2.8.
	* zlib-PATCHES: rename dir from zlib-1.2.8-PATCHES.

2015-07-06  Peter Breitenlohner  <peb@mppmu.mpg.de>

	* Makefile.am: Better dependencies for 'make check'.

2015-02-16  Peter Breitenlohner  <peb@mppmu.mpg.de>

	* Makefile.am: Use the fragment ../../am/dist_hook.am.

2014-12-03  Peter Breitenlohner  <peb@mppmu.mpg.de>

	* configure.ac: Added KPSE_COMPILER_VISIBILITY.
	* Makefile.am [AM_CFLAGS]: Added $(VISIBILITY_CFLAGS).

2014-06-16  Peter Breitenlohner  <peb@mppmu.mpg.de>

	* Makefile.am: Drop the obsolete ACLOCAL_AMFLAGS.

2012-07-06  Peter Breitenlohner  <peb@mppmu.mpg.de>

	* Makefile.am: Use ../../am/rebuild.am.

2012-07-05  Peter Breitenlohner  <peb@mppmu.mpg.de>

	* include/Makefile.am: Moved Makefile fragments to ../../am/.

2012-05-18  Peter Breitenlohner  <peb@mppmu.mpg.de>

	Import zlib-1.2.8.
	* version.ac: Adapt.

2013-01-29  Peter Breitenlohner  <peb@mppmu.mpg.de>

	* Makefile.am: Allow subdir-objects.

2012-12-15  Peter Breitenlohner  <peb@mppmu.mpg.de>

	* configure.ac: Use KPSE_BASIC to enable silent rules.

2012-11-16  Peter Breitenlohner  <peb@mppmu.mpg.de>

	* Makefile.am: Avoid use of deprecated INCLUDES.

2012-05-03  Peter Breitenlohner  <peb@mppmu.mpg.de>

	Import zlib-1.2.7.
	* version.ac: Adapt.

2012-03-28  Karl Berry  <karl@tug.org>

	* zlib*/doc/rfc*: remove (to save hassle downstream), these are
	nonfree.

2012-02-24  Peter Breitenlohner  <peb@mppmu.mpg.de>

	* include/Makefile.am: Use ../am/hdr_links.am.

2012-02-16  Peter Breitenlohner  <peb@mppmu.mpg.de>

	* ac/zlib.ac: Drop requirement for zlib-1.2.6 or later.

2012-02-13  Peter Breitenlohner  <peb@mppmu.mpg.de>

	* ac/zlib.ac: Require zlib-1.2.6 or later (for XeTeX).

2012-02-10  Peter Breitenlohner  <peb@mppmu.mpg.de>

	Import zlib-1.2.6.
	* version.ac: New file defining the zlib version.
	* Makefile.am, configure.ac: Adapt.

2011-05-05  Peter Breitenlohner  <peb@mppmu.mpg.de>

	* configure.ac [WIN32]: Don't use visibility attribute.

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'.
