h2xs
creates Perl extension module skeletons
TLDR
Create XS module skeleton
$ h2xs -A -n [Module::Name]
Create module from C header$ h2xs [header.h]
Create pure Perl module$ h2xs -AX -n [Module::Name]
Omit autoload$ h2xs -An [Module::Name]
SYNOPSIS
h2xs [options] [headers]
DESCRIPTION
h2xs creates Perl extension module skeletons. It generates XS code to wrap C libraries, making them accessible from Perl.
The tool creates directory structure, Makefile.PL, and stub files. It can generate bindings from C header files or create empty module templates.
PARAMETERS
HEADERS
C header files to wrap.-n NAME
Module name.-A
Omit Autoloader code.-X
Omit XS code (pure Perl).-c
Omit constant code.-O
Overwrite existing files.-b VER
Perl version compatibility.--help
Display help information.
CAVEATS
Generated code needs customization. Complex C APIs require manual XS. Understanding C/XS helpful.
HISTORY
h2xs has been part of Perl since version 5, providing the standard way to create XS extension modules.