View the most recent changes for the byaccj port at: byaccj.darwinports.com/diff
Scroll down toward the bottom of the page to get installation instructions for byaccj.
The raw portfile for byaccj 1.15 is located here:
http://byaccj.darwinports.com/dports/devel/byaccj/Portfile
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Check for any related Fink projects here: pdb.finkproject.org/pdb/package.php/byaccj

The byaccj Portfile 44849 2009-01-03 17:52:03Z mww macports.org $

PortSystem 1.0

Name: byaccj
Version: 1.15
Category: devel java
Platform: darwin
Maintainers: mww
Description: yacc compatible parser generator with Java extension
Long Description: byacc/j is an extension to the Berkeley v1.8 yacc compatible parser generator. byacc/j not only can produce C/C++ source for a LALR-grammar parser, but also Java source.

Homepage: http://byaccj.sourceforge.net/
Master Sites: sourceforge
distname byaccj${version}_src
Checksums: sha1 eeabe2a3a3ca9cc56a777fa54238ab093fc525c7

use_configure no

worksrcdir byaccj${version}/src

destroot {
xinstall -m 755 -d ${destroot}${prefix}/share/doc/
file copy ${worksrcpath}/../docs ${destroot}${prefix}/share/doc/${name}
xinstall -W ${worksrcpath} new_features no_warranty ${destroot}${prefix}/share/doc/${name}/
xinstall -m 755 ${worksrcpath}/yacc ${destroot}${prefix}/bin/byaccj
xinstall -m 644 ${worksrcpath}/yacc.1 ${destroot}${prefix}/share/man/man1/byaccj.1
}

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/byaccj
%  sudo port install byaccj  
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 byaccj
--->  Verifying checksum for byaccj
--->  Extracting byaccj
--->  Configuring byaccj
--->  Building byaccj with target all

--->  Staging byaccj into destroot

--->  Installing byaccj

- 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 byaccj with these commands:

%  man byaccj
%  apropos byaccj
%  which byaccj
%  locate byaccj

 Where to find more information: