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1 SWIG (Simplified Wrapper and Interface Generator)
3 Tagline: SWIG is a compiler that integrates C and C++ with languages
4 including Perl, Python, Tcl, Ruby, PHP, Java, C#, D, Go, Lua,
5 Octave, R, Scheme (Guile, MzScheme/Racket), Scilab, Ocaml.
6 SWIG can also export its parse tree into XML.
8 SWIG reads annotated C/C++ header files and creates wrapper code (glue
9 code) in order to make the corresponding C/C++ libraries available to
10 the listed languages, or to extend C/C++ programs with a scripting
13 Up-to-date SWIG related information can be found at
17 A SWIG FAQ and other hints can be found on the SWIG Wiki:
23 Please see the LICENSE file for details of the SWIG license. For
24 further insight into the license including the license of SWIG's
25 output code, please visit
29 Release Notes
31 Please see the CHANGES.current file for a detailed list of bug fixes and
32 new features for the current release. The CHANGES file contains bug fixes
33 and new features for older versions. A summary of changes in each release
34 can be found in the RELEASENOTES file.
38 The Doc/Manual directory contains the most recent set of updated
39 documentation for this release. The documentation is available in
40 three different formats, each of which contains identical content.
41 These format are, pdf (Doc/Manual/SWIGDocumentation.pdf), single
42 page html (Doc/Manual/SWIGDocumentation.html) or multiple page html
43 (other files in Doc/Manual). Please select your chosen format and
44 copy/install to wherever takes your fancy.
46 There is some technical developer documentation available in the
47 Doc/Devel subdirectory. This is not necessarily up-to-date, but it
48 has some information on SWIG internals.
50 Documentation is also online at https://www.swig.org/doc.html.
52 Backwards Compatibility
54 The developers strive their best to preserve backwards compatibility
55 between releases, but this is not always possible as the overriding
56 aim is to provide the best wrapping experience. Where backwards
57 compatibility is known to be broken, it is clearly marked as an
58 incompatibility in the CHANGES and CHANGES.current files.
60 See the documentation for details of the SWIG_VERSION preprocessor
61 symbol if you have backward compatibility issues and need to use more
62 than one version of SWIG.
66 Please read the Doc/Manual/Preface.html#Preface_installation for
67 full installation instructions for Windows, Unix and Mac OS X
68 using the release tarball/zip file. The INSTALL file has generic
69 build and installation instructions for Unix users.
70 Users wishing to build and install code from Github should
71 visit https://swig.org/svn.html to obtain the more detailed
72 instructions required for building code obtained from Github - extra
73 steps are required compared to building from the release tarball.
77 The typical 'make -k check' can be performed on Unix operating systems.
78 Please read Doc/Manual/Preface.html#Preface_testing for details.
82 The Examples directory contains a variety of examples of using SWIG
83 and it has some browsable documentation. Simply point your browser to
84 the file "Example/index.html".
86 The Examples directory also includes Visual C++ project 6 (.dsp) files for
87 building some of the examples on Windows. Later versions of Visual Studio
88 will convert these old style project files into a current solution file.
90 Known Issues
92 There are minor known bugs, details of which are in the bug tracker, see
97 In order to operate correctly, SWIG relies upon a set of library
98 files. If after building SWIG, you get error messages like this,
100 $ swig foo.i
101 :1. Unable to find 'swig.swg'
102 :3. Unable to find 'tcl8.swg'
104 it means that SWIG has either been incorrectly configured or
105 installed. To fix this:
107 1. Make sure you remembered to do a 'make install' and that
108 the installation actually worked. Make sure you have
109 write permission on the install directory.
111 2. If that doesn't work, type 'swig -swiglib' to find out
112 where SWIG thinks its library is located.
114 3. If the location is not where you expect, perhaps
115 you supplied a bad option to configure. Use
116 ./configure --prefix=pathname to set the SWIG install
117 location. Also, make sure you don't include a shell
118 escape character such as ~ when you specify the path.
120 4. The SWIG library can be changed by setting the SWIG_LIB
121 environment variable. However, you really shouldn't
122 have to do this.
124 If you are having other troubles, you might look at the SWIG Wiki at
129 Please report any errors and submit patches (if possible)! We only
130 have access to a limited variety of hardware (Linux, Solaris, OS-X,
131 and Windows). All contributions help.
133 If you would like to join the SWIG development team or contribute a
134 language module to the distribution, please contact the swig-devel
135 mailing list, details at https://www.swig.org/mail.html.
138 -- The SWIG Maintainers