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Add Ruby support contributed by Masaki Fukushima.

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git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@518 626c5289-ae23-0410-ae9c-e8d60b6d4f22
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Thien-Thi Nguyen 2000-07-05 18:58:49 +00:00
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<head>
<title>SWIG:Examples:ruby</title>
</head>
<body bgcolor="#ffffff">
<H1>SWIG Ruby Examples</H1>
<tt>$Header$</tt><br>
<p>
The following examples illustrate the use of SWIG with Ruby.
<ul>
<li><a href="simple/index.html">simple</a>. A minimal example showing how SWIG can
be used to wrap a C function, a global variable, and a constant.
<li><a href="constants/index.html">constants</a>. This shows how preprocessor macros and
certain C declarations are turned into constants.
</ul>
<h2>Compilation Issues</h2>
<ul>
<li>To create a Ruby extension, SWIG is run with the following options:
<blockquote>
<pre>
% swig -ruby interface.i
</pre>
</blockquote>
<li>The compilation of examples is done using the file <tt>Example/Makefile</tt>. This
makefile performs a manual module compilation which is platform specific. Typically,
the steps look like this (Linux):
<blockquote>
<pre>
% swig -ruby interface.i
% gcc -fpic -c interface_wrap.c -I/usr/local/lib/ruby/1.4/i686-linux
% gcc -shared interface_wrap.o $(OBJS) -o interface.so
% ruby
require 'interface'
Interface.blah(...)
...
</pre>
</blockquote>
<li>The politically "correct" way to compile a Ruby extension is to follow the steps
described <tt>README.EXT</tt> in Ruby distribution:
<p>
<ol>
<li>Create a file called <tt>extconf.rb</tt> that looks like the following:
<blockquote>
<pre>
require 'mkmf'
create_makefile('interface')
</pre>
</blockquote>
<li>Type the following to build the extension:
<blockquote>
<pre>
% ruby extconf.rb
% make
</pre>
</blockquote>
</ol>
</ul>
<h2>Compatibility</h2>
The examples have been extensively tested on the following platforms:
<ul>
<li>Linux
</ul>
Your mileage may vary. If you experience a problem, please let us know by
sending a message to <a href="mailto:swig-dev@cs.uchicago.edu">swig-dev@cs.uchicago.edu</a>.
</body>
</html>