XSUBPP(1) Perl Programmers Reference Guide XSUBPP(1)NAMExsubpp - compiler to convert Perl XS code into C code
SYNOPSISxsubpp [-v] [-C++] [-except] [-s pattern] [-prototypes]
[-noversioncheck] [-nolinenumbers] [-nooptimize] [-typemap
typemap] ... file.xs
DESCRIPTION
This compiler is typically run by the makefiles created by
the ExtUtils::MakeMaker manpage.
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
OPTIONS
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.
-except
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.
-prototypes
By default xsubpp will not automatically generate
prototype code for all xsubs. This flag will enable
prototypes.
-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 optimiza
tion that is currently affected is the use of targets
by the output C code (see the perlguts manpage).
This may significantly slow down the generated code,
but this is the way xsubpp of 5.005 and earlier oper
ated.
-noinout
Disable recognition of "IN", "OUT_LIST" and
"INOUT_LIST" declarations.
-noargtypes
Disable recognition of ANSI-like descriptions of
function signature.
ENVIRONMENT
No environment variables are used.
AUTHOR
Larry Wall
MODIFICATION HISTORY
See the file changes.pod.
SEE ALSOperl(1), perlxs(1), perlxstut(1)2001-02-22 perl v5.6.1 XSUBPP(1)
