OptiPNG

OptiPNG version 0.7.7: Advanced PNG optimizer
=============================================

Copyright and licensing
-----------------------
Copyright (C) 2001-2017 Cosmin Truta and the Contributing Authors.
See the accompanying AUTHORS file.

This program is distributed under the zlib license.
See the accompanying LICENSE file.

This program uses third-party software released under various
open-source licenses.

Resources
---------
Home page:
http://optipng.sourceforge.net/

Download:
http://sourceforge.net/project/showfiles.php?group_id=151404

Announcements:
https://sourceforge.net/news/?group_id=151404

Support:
http://sourceforge.net/tracker/?group_id=151404
ctruta (at) gmail (dot) com

Build instructions
------------------
On Unix, or under a Bourne-compatible shell, run ./configure and make:
cd optipng-0.7.7/
./configure
make
make test

Alternatively, use a pre-configured makefile that matches your compiler;
e.g.:
cd optipng-0.7.7/
nmake -f build/visualc.mk
nmake -f build/visualc.mk test

Installation instructions
-------------------------
Build the program according to the instructions above.

On Unix:
- Make the "install" target:
sudo make install
- To uninstall, make the "uninstall" target:
sudo make uninstall

On Windows:
- Copy optipng.exe to a directory found in PATH.