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Module::Install::XSUtil

NAME

Module::Install::XSUtil − Utility functions for XS modules

VERSION

This document describes Module::Install::XSUtil version 0.45.

SYNOPSIS

    # in Makefile.PL
    use inc::Module::Install;
    # Enables C compiler warnings
    cc_warnings;
    # Uses ppport.h
    # No need to include it. It's created here.
    use_ppport 3.19;
    # Sets C pre−processor macros.
    cc_define q{−DUSE_SOME_FEATURE=42};
    # Sets paths for header files
    cc_include_paths 'include'; # all the header files are in include/
    # Sets paths for source files
    cc_src_paths 'src'; # all the XS and C source files are in src/
    # Installs header files
    install_headers; # all the header files in @cc_include_paths

DESCRIPTION

Module::Install::XSUtil provides a set of utilities to setup distributions which include or depend on XS module.

See XS::MRO::Compat and Method::Cumulative for example.

FUNCTIONS

cc_available
Returns true if a C compiler is available. YOU DO NOT NEED TO CALL THIS FUNCTION YOURSELF: it will be called for you when this module is initialized, and your Makefile.PL process will exit with 0 status. Only explicitly call if you need to do some esoteric handling when no compiler is available (for example, when you have a pure perl alternative)

c99_available
Returns true if a C compiler is available and it supports C99 features.

want_xs ?$default
Returns true if the user asked for the XS version or pure perl version of the module.

Will return true if "−−xs" is explicitly specified as the argument to Makefile.PL, and false if "−−pp" is specified. If neither is explicitly specified, will return the value specified by $default. If you do not specify the value of $default, then it will be true.

use_ppport ?$version
Creates ppport.h using "Devel::PPPort::WriteFile()".

This command calls "configure_requires 'Devel::PPPort' => $version" and adds "−DUSE_PPPORT" to "MakeMaker"’s "DEFINE".

use_xshelper ?−clean|−realclean
Create sxshelper.h, which is a helper header file to include EXTERN .h, perl.h, XSUB .h and ppport.h, and defines some portability stuff which are not supported by ppport.h.

Optional argument "−clean" and "−realclean" set "clean_files" or "realclean_files" to the generated file xshelper.h respectably.

This command includes "use_ppport".

cc_warnings
Enables C compiler warnings.

cc_define @macros
Sets "cpp" macros as compiler options.

cc_src_paths @source_paths
Sets source file directories which include *.xs or *.c.

cc_include_paths @include_paths
Sets include paths for a C compiler.

cc_inc_paths @include_paths;
This was an alias to "cc_include_paths", but from 0.42, this is "Module::Install::Compiler::cc_inc_paths", which replaces the EUMM ’s "INC" parameter.

Don’t use this function. Use "cc_include_paths" instead.

cc_libs @libs
Sets "MakeMaker"’s "LIBS". If a name starts "−", it will be interpreted as is. Otherwise prefixed "−l".

e.g.:

    cc_libs −lfoo;
    cc_libs  'foo'; # ditto.
    cc_libs qw(−L/path/to/libs foo bar); # with library paths

cc_assert_lib %args
Checks if the given C library is installed via Devel::CheckLib. Takes exactly what Devel::CheckLib takes. Note that you must pass the path names explicitly.

requires_c99
Tells the build system to use C99 features.

requires_cplusplus
Tells the build system to use C ++ language.

install_headers ?@header_files
Declares providing header files, extracts functions from these header files, and adds these functions to "MakeMaker"’s "FUNCLIST".

If @header_files are omitted, all the header files in include paths will be installed.

cc_append_to_inc @include_paths
Low level API.

cc_append_to_libs @libraries
Low level API.

cc_append_to_ccflags @ccflags
Low level API.

cc_append_to_funclist @funclist
Low level API.

OPTIONS

Under the control of this module, Makefile.PL accepts "−g" option, which sets "MakeMaker"’s "OPTIMIE" "−g" (or something like). It will disable optimization and enable some debugging features.

DEPENDENCIES

Perl 5.5.3 or later.

NOTE

In Makefile.PL, you might want to use "author_requires", which is provided by "Module::Install::AuthorReauires", in order to tell co-developers that they need to install this plugin.

    author_requires 'Module::Install::XSUtil';

BUGS

No bugs have been reported.

Please report any bugs or feature requests to the author.

ACKNOWLEDGEMENT

Thanks to Taro Nishino for the test reports.

Tanks to lestrrat for the suggestions and patches.

AUTHOR

Goro Fuji (gfx) <gfuji(at)cpan.org>.

SEE ALSO

ExtUtils::Depends.

Module::Install.

Module::Install::CheckLib.

Devel::CheckLib.

ExtUtils::MakeMaker.

LICENSE AND COPYRIGHT

Copyright (c) 2009−2010, Goro Fuji (gfx). All rights reserved.

This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

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