#!/usr/bin/env perl

package main v0.1.0;

use strict;
use warnings;

use Inline(
    CPP => <<'CPP',
#undef seekdir

#include <sstream>
CPP
    # ccflags           => '-std=c++11',
    ccflags           => '-std=gnu++11',
	clean_after_build => 0,
    clean_build_area  => 0,
);

1;
__END__

##</code><code>##

D:\devel\perl\perl\lib\CORE/perl.h:3544:45: error: expected ')' before '*' token
 #    define PERL_GET_THX  ((PerlInterpreter *)PERL_GET_CONTEXT)
                                             ^
D:\devel\perl\perl\lib\CORE/perl.h:3544:45: error: expected ')' before '*' token
D:\devel\perl\perl\lib\CORE/perl.h:3544:45: error: expected ')' before '*' token
D:\devel\perl\perl\lib\CORE/perl.h:3544:45: error: expected ')' before '*' token
D:\devel\perl\perl\lib\CORE/perl.h:3544:29: error: expected ';' at end of member declaration
 #    define PERL_GET_THX  ((PerlInterpreter *)PERL_GET_CONTEXT)

... and so on ...