X-Authentication-Warning:	delorie.com: mail set sender to djgpp-bounces using -f
Message-Id:	<202310021803.392I3Ac1007702@delorie.com>
Date:	Mon, 2 Oct 2023 20:02:44 +0200
From:	"Juan Manuel Guerrero (juan DOT guerrero AT gmx DOT de) [via djgpp-announce AT delorie DOT com]" <djgpp-announce AT delorie DOT com>
To:	djgpp-announce AT delorie DOT com
Subject:	ANNOUNCE: DJGPP port of library PNG 1.6.40 uploaded.
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Reply-To:	djgpp AT delorie DOT com

This is a port of library PNG 1.6.40 to MSDOS/DJGPP.


  DJGPP specific changes.
  =======================

  As for all binaries and libraries that handle images of any kind, it should
  be noted that files (streams) are *ALWAYS* openend in binary mode with all
  the well known implications on a DOS of WINDOWS OS if the stream comes from
  STDIN and/or STDOUT when these are still connected to the console.
  For the DJGPP port, the "SIGINT" and "SIGQUIT" signals are reenabled when
  the stream is connected to a TTY.
  Apart from this change only the usual files needed for configuration with
  djgpp have been added. That files are stored in the /djgpp directory.
  To configure, compile and use the package you will have to install the zlib
  port available at ftp.delorie.com and mirrors as:
    http://ftp.delorie.com/pub/djgpp/current/v2tk/zlb1213b.zip
  Of course, you can download a newer version of zlib if available.

  To compile the source code LFN support is required.  I have build it on
  WinXP and Win98SE but I have never tried to build it on any other OS.


  As usual, all djgpp specific files (diffs, README files, etc.) are stored in
  the /djgpp directory.  The sources have been configured to be build in the
  "0build" directory.  If for some reason it does not work for you, delete its
  contents and configure from scratch again running the command:
    ..\djgpp\config.bat ../.

  For further information about library PNG please read the info docs and NEWS file.



  Here is an extract of the ANNOUNCE file showing the user visible changes
  from the last port (library PNG 1.6.39) to this one:

-------------------------------------------------------------------------------

Changes from version 1.6.39 to version 1.6.40
---------------------------------------------

 * Fixed the eXIf chunk multiplicity checks.
 * Fixed a memory leak in pCAL processing.
 * Corrected the validity report about tRNS inside png_get_valid().
 * Fixed various build issues on *BSD, Mac and Windows.
 * Updated the configurations and the scripts for continuous integration.
 * Cleaned up the code, the build scripts, and the documentation.


-------------------------------------------------------------------------------





  The port consists of the usual two packages that have been produced using
  djdev20X (CVS repository code) and can be downloaded from ftp.delorie.com
  and mirrors as (time stamp 2023-09-10):

    library PNG 1.6.40 scripts, headers, libs and man format documentation:
    http://ftp.delorie.com/pub/djgpp/current/v2tk/png1640b.zip

    library PNG 1.6.40 source:
    http://ftp.delorie.com/pub/djgpp/current/v2tk/png1640s.zip



  Send library PNG specific bug reports to <png-mng-implement AT lists DOT sourceforge DOT net>.
  Send suggestions and bug reports concerning the DJGPP port to
  comp.os.msdos.djgpp or <djgpp AT delorie DOT com>.


Enjoy.

    Guerrero, Juan Manuel <juan DOT guerrero AT gmx DOT de>

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