Supported Target Language Options -csharp - Generate C# wrappers -d - Generate D wrappers -go - Generate Go wrappers -guile - Generate Guile wrappers -java - Generate Java wrappers -javascript - Generate Javascript wrappers -lua - Generate Lua wrappers -octave - Generate Octave wrappers -perl5 - Generate Perl 5 wrappers -php7 - Generate PHP 8 or later wrappers -python - Generate Python wrappers -r - Generate R (aka GNU S) wrappers -ruby - Generate Ruby wrappers -scilab - Generate Scilab wrappers -tcl8 - Generate Tcl 8 wrappers -xml - Generate XML wrappers Experimental Target Language Options -c - Generate C wrappers -ocaml - Generate OCaml wrappers General Options -addextern - Add extra extern declarations -c++ - Enable C++ processing -co - Check out of the SWIG library -copyctor - Automatically generate copy constructors wherever possible -cpperraswarn - Treat the preprocessor #error statement as #warning (default) -cppext - Change file extension of generated C++ files to (default is cxx) -copyright - Display copyright notices -debug-classes - Display information about the classes found in the interface -debug-module - Display module parse tree at stages 1-4, is a csv list of stages -debug-symtabs - Display symbol tables information -debug-symbols - Display target language symbols in the symbol tables -debug-csymbols - Display C symbols in the symbol tables -debug-lsymbols - Display target language layer symbols -debug-quiet - Display less parse tree node debug info when using other -debug options -debug-tags - Display information about the tags found in the interface -debug-template - Display information for debugging templates -debug-top - Display entire parse tree at stages 1-4, is a csv list of stages -debug-typedef - Display information about the types and typedefs in the interface -debug-typemap - Display typemap debugging information -debug-tmsearch - Display typemap search debugging information -debug-tmused - Display typemaps used debugging information -directors - Turn on director mode for all the classes, mainly for testing -dirprot - Turn on wrapping of protected members for director classes (default) -D[=] - Define symbol (for conditional compilation) -E - Preprocess only, does not generate wrapper code -external-runtime [file] - Export the SWIG runtime stack -fakeversion - Make SWIG fake the program version number to -fcompact - Compile in compact mode -features - Set global features, where is a comma separated list of features, eg -features directors,autodoc=1 If no explicit value is given to the feature, a default of 1 is used -fastdispatch - Enable fast dispatch mode to produce faster overload dispatcher code -Fmicrosoft - Display error/warning messages in Microsoft format -Fstandard - Display error/warning messages in commonly used format -fvirtual - Compile in virtual elimination mode -help - Display help -I- - Don't search the current directory -I - Look for SWIG files in directory -ignoremissing - Ignore missing include files -importall - Follow all #include statements as imports -includeall - Follow all #include statements -l - Include SWIG library file -macroerrors - Report errors inside macros -M - List all dependencies -MD - Is equivalent to `-M -MF ', except `-E' is not implied -MF - Generate dependencies into and continue generating wrappers -MM - List dependencies, but omit files in SWIG library -MMD - Like `-MD', but omit files in SWIG library -module - Set module name to -MP - Generate phony targets for all dependencies -MT - Set the target of the rule emitted by dependency generation -nocontract - Turn off contract checking -nocpperraswarn - Do not treat the preprocessor #error statement as #warning -nodefaultctor - Do not generate implicit default constructors -nodefaultdtor - Do not generate implicit default destructors -nodirprot - Do not wrap director protected members -noexcept - Do not wrap exception specifiers -nofastdispatch - Disable fast dispatch mode (default) -nopreprocess - Skip the preprocessor step -notemplatereduce - Disable reduction of the typedefs in templates -O - Enable the optimization options: -fastdispatch -fvirtual -o - Set name of C/C++ output file to -oh - Set name of C++ output header file for directors to -outcurrentdir - Set default output dir to current dir instead of input file's path -outdir - Set language specific files output directory to -pcreversion - Display PCRE2 version information -small - Compile in virtual elimination and compact mode -std= - Set the C or C++ language for inputs -swiglib - Report location of SWIG library and exit -templatereduce - Reduce all the typedefs in templates -U - Undefine symbol -v - Run in verbose mode -version - Display SWIG version number -Wall - Remove all warning suppression, also implies -Wextra -Wallkw - Enable keyword warnings for all the supported languages -Werror - Treat warnings as errors -Wextra - Adds the following additional warnings: 309,403,405,512,321,322 -w - Suppress/add warning messages, eg -w401,+321 - see Warnings.html -xmlout - Write XML version of the parse tree to after normal processing Options can also be defined using the SWIG_FEATURES environment variable, for example: $ SWIG_FEATURES="-Wall" $ export SWIG_FEATURES $ swig -python interface.i is equivalent to: $ swig -Wall -python interface.i Arguments may also be passed in a file, separated by whitespace. For example: $ echo "-Wall -python interface.i" > args.txt $ swig @args.txt Note: 'swig - -help' displays options for a specific target language.