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Examples/ruby/index.html
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matoro
Update examples to recommend compiling with -fPIC instead of -fpic
23 июл 2024, 00:46
23 июл 2024, 00:46
16129d9
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<html> <head> <title>SWIG:Examples:ruby</title> </head> <body bgcolor="#ffffff"> <H1>SWIG Ruby Examples</H1> <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. <li><a href="variables/index.html">variables</a>. An example showing how to access C global variables from Ruby. <li><a href="value/index.html">value</a>. How to pass and return structures by value. <li><a href="class/index.html">class</a>. Wrapping a simple C++ class. <li><a href="reference/index.html">reference</a>. C++ references. <li><a href="pointer/index.html">pointer</a>. Simple pointer handling. <li><a href="funcptr/index.html">funcptr</a>. Pointers to functions. <li><a href="enum/index.html">enum</a>. Enumeration. </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> Please see the <a href="../../Doc/Manual/Windows.html">Windows</a> page in the main manual for information on using the examples on Windows. <p> </li> <li>On Unix 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 contacting us on the <a href="https://www.swig.org/mail.html">mailing lists</a>. </body> </html>