XSUBPP(1) Perl Programmers Reference Guide XSUBPP(1)
xsubpp - compiler to convert Perl XS code into C code
xsubpp [-v] [-C++] [-csuffix csuffix] [-except] [-s pattern] [-prototypes] [-noversioncheck] [-nolinenumbers] [-nooptim- ize] [-typemap typemap] ... file.xs
This compiler is typically run by the makefiles created by ExtUtils::MakeMaker. 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. ../../../typemap:../../typemap:../typemap:typemap
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. -csuffix csuffix Set the suffix used for the generated C or C++ code. Defaults to '.c' (even with -C++), but some platforms might want to have e.g. '.cpp'. Don't forget the '.' from the front. -hiertype Retains '::' in type names so that C++ hierachical types can be mapped. -except Adds exception handling stubs to the C code. -typemap typemap Indicates that a user-supplied typemap should take pre- cedence 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. perl v5.8.8 2006-06-30 1 XSUBPP(1) Perl Programmers Reference Guide XSUBPP(1) -prototypes By default xsubpp will not automatically generate pro- totype code for all xsubs. This flag will enable proto- types. -noversioncheck 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. -nolinenumbers Prevents the inclusion of `#line' directives in the output. -nooptimize 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. -noinout Disable recognition of "IN", "OUT_LIST" and "INOUT_LIST" declarations. -noargtypes Disable recognition of ANSI-like descriptions of func- tion signature.
No environment variables are used.
See the file changes.pod.
perl(1), perlxs(1), perlxstut(1) perl v5.8.8 2006-06-30 2
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