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NAME    [Toc]    [Back]

       xsubpp - compiler to convert Perl XS code into C code

SYNOPSIS    [Toc]    [Back]

       xsubpp [-v] [-C++] [-except] [-s pattern] [-prototypes]
       [-noversioncheck] [-nolinenumbers] [-nooptimize] [-typemap
       typemap] ... file.xs

DESCRIPTION    [Toc]    [Back]

       This compiler is typically run by the makefiles created by

       xsubpp will compile XS code into C code by embedding the
       constructs necessary to let C functions manipulate Perl
       values and creates the glue necessary to let Perl access
       those functions.  The compiler uses typemaps to determine
       how to map C function parameters and variables to Perl

       The compiler will search for typemap files called typemap.
       It will use the following search path to find default
       typemaps, with the rightmost typemap taking precedence.


OPTIONS    [Toc]    [Back]

       Note that the "XSOPT" MakeMaker option may be used to add
       these options to any makefiles generated by MakeMaker.

       -C++ Adds ``extern "C"'' to the C code.

            Retains '::' in type names so that C++ hierachical
            types can be mapped.

            Adds exception handling stubs to the C code.

       -typemap typemap
            Indicates that a user-supplied typemap should take
            precedence over the default typemaps.  This option
            may be used multiple times, with the last typemap
            having the highest precedence.

       -v   Prints the xsubpp version number to standard output,
            then exits.

            By default xsubpp will not automatically generate
            prototype code for all xsubs. This flag will enable

            Disables the run time test that determines if the
            object file (derived from the ".xs" file) and the
            ".pm" files have the same version number.

            Prevents the inclusion of `#line' directives in the

            Disables certain optimizations.  The only optimization
 that is currently affected is the use of targets
            by the output C code (see perlguts).  This may significantly
 slow down the generated code, but this is
            the way xsubpp of 5.005 and earlier operated.

            Disable recognition of "IN", "OUT_LIST" and
            "INOUT_LIST" declarations.

            Disable recognition of ANSI-like descriptions of
            function signature.

ENVIRONMENT    [Toc]    [Back]

       No environment variables are used.

AUTHOR    [Toc]    [Back]

       Larry Wall


       See the file changes.pod.

SEE ALSO    [Toc]    [Back]

       perl(1), perlxs(1), perlxstut(1)

perl v5.8.5                 2002-11-06                          2
[ Back ]
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