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XSUBPP(1)	       Perl Programmers Reference Guide		     XSUBPP(1)

       xsubpp - compiler to convert Perl XS code into C code

       xsubpp [-v] [-except] [-s pattern] [-prototypes] [-noversioncheck]
       [-nolinenumbers] [-nooptimize] [-typemap typemap] [-output filename]...

       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 values.

       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.


       It will also use a default typemap installed as "ExtUtils::typemap".

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

	    Retains '::' in type names so that C++ hierarchical types can be

	    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.

       -output filename
	    Specifies the name of the output file to generate.	If no file is
	    specified, output will be written to standard output.

       -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 prototypes.

	    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 output.

	    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"

	    Disable recognition of ANSI-like descriptions of function

       -C++ Currently doesn't do anything at all.  This flag has been a no-op
	    for many versions of perl, at least as far back as perl5.003_07.
	    It's allowed here for backwards compatibility.

       No environment variables are used.

       Originally by Larry Wall.  Turned into the "ExtUtils::ParseXS" module
       by Ken Williams.

       See the file Changes.

       perl(1), perlxs(1), perlxstut(1), ExtUtils::ParseXS

perl v5.12.2			  2011-02-27			     XSUBPP(1)
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