libpng  most recent diff

View the most recent changes for the libpng port at: libpng.darwinports.com/diff
Scroll down toward the bottom of the page to get installation instructions for libpng.
The raw portfile for libpng 1.2.29 is located here:
http://libpng.darwinports.com/dports/graphics/libpng/Portfile
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# $Id: Portfile 36856 2008-05-16 21:18:17Z waqar macports.org $

PortSystem 1.0

Name: libpng
Version: 1.2.29
Category: graphics
Maintainers: ryandesign waqar macports.org
Platform: darwin openbsd freebsd sunos linux
Homepage: http://www.libpng.org/pub/png/
use_bzip2 yes
use_parallel_build yes
master_sites sourceforge

Description: Library for manipulating PNG images

Long Description: Libpng was written as a companion to the PNG specification, as a way to reduce the amount of time and effort it takes to support the PNG file format in application programs. Most users will not have to modify the library significantly, advanced users may want to modify it more. The library was coded for both users. All attempts were made to make it as complete as possible, while keeping the code easy to understand. Currently, this library only supports C. Support for other languages is being considered.

checksums md5 f588cb4ee39e3a333604096f937ea157 sha1 ddd4c92d029705d81ba97679d1e6ee84a33057db rmd160 c255340e6b89494d3ebc08069e2beba309effdfe

depends_lib port:zlib

use_parallel_build yes

test.run yes
test.target check

post-destroot {
system "ranlib ${destroot}${prefix}/lib/libpng12.a"
set docdir ${prefix}/share/doc/${name}-${version}
xinstall -d ${destroot}${docdir}/examples
xinstall -m 0644 -W ${worksrcpath} ANNOUNCE CHANGES KNOWNBUG LICENSE README TODO ${destroot}${docdir}
xinstall -m 0644 ${worksrcpath}/example.c ${destroot}${docdir}/examples
}

If you haven't already installed Darwin Ports, you can find easy instructions for doing so at the main Darwin Ports page.
Once Darwin Ports has been installed, in a terminal window and while online, type the following and hit return:

%  cd /opt/local/bin/portslocation/dports/libpng
%  sudo port install libpng  
Password: 

You will then be prompted for your root password, which you should enter. You may have to wait for a few minutes while the software is retrieved from the network and installed for you. Y ou should see something that looks similar to:

--->  Fetching libpng
--->  Verifying checksum for libpng
--->  Extracting libpng
--->  Configuring libpng
--->  Building libpng with target all

--->  Staging libpng into destroot

--->  Installing libpng

- Make sure that you do not close the terminal window while Darwin Ports is working. Once the software has been installed, you can find further information about using libpng with these commands:

%  man libpng
%  apropos libpng
%  which libpng
%  locate libpng

 Where to find more information: