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        print $fh $test_code;
        close $fh;
        my ( $ofh, $out ) = tempfile( UNLINK => 1 );
        close $ofh;

        # Try without -lrt (list-form system to avoid shell injection)
        open( my $devnull, '>', '/dev/null' ) if $^O ne 'MSWin32';
        my $old_stdout = select $devnull      if $devnull;
        system( $cc, '-o', $out, $src );
        select $old_stdout if $old_stdout;
        close $devnull     if $devnull;
        return ''          if $? == 0;

        # Try with -lrt
        open( $devnull, '>', '/dev/null' ) if $^O ne 'MSWin32';
        $old_stdout = select $devnull      if $devnull;
        system( $cc, '-o', $out, $src, '-lrt' );
        select $old_stdout if $old_stdout;
        close $devnull     if $devnull;
        return '-lrt'      if $? == 0;
        return '';
    }

    sub command_exists {
        my ($cmd) = @_;
        if ( $Config{osname} eq 'MSWin32' ) {
            return system( 'where', $cmd ) == 0;
        }
        else {
            return system( 'command', '-v', $cmd ) == 0;
        }
    }

    method step_affix {
        $self->step_infix;
        my $cwd = cwd->absolute;
        my @objs;
        require ExtUtils::CBuilder;
        my %config = %Config;
        if ($debug) {
            $config{ldflags}   =~ s/-s //g;
            $config{ldflags}   =~ s/ -s//g;
            $config{lddlflags} =~ s/-s //g;
            $config{lddlflags} =~ s/ -s//g;
        }
        my $builder = ExtUtils::CBuilder->new( quiet => !$verbose, config => \%config );
        my $pre     = $cwd->child(qw[blib arch auto])->absolute;
        require DynaLoader;
        my $mod2fname = defined &DynaLoader::mod2fname ? \&DynaLoader::mod2fname : sub { return $_[0][-1] };
        my @parts     = ('Affix');
        my $archdir   = rel2abs catdir( curdir, qw[. blib arch auto], @parts );
        my $err;
        make_path( $archdir, { chmod => 0755, error => \$err, verbose => $verbose } );
        my $lib_file = catfile( $archdir, $mod2fname->( \@parts ) . '.' . $Config{dlext} );
        my @dirs;
        push @dirs, '../';
        my $has_cxx    = !1;
        my $recompiled = 0;
        my @sources    = $cwd->child('lib/Affix.c');

        #~ warn "Sources to process: @sources\n";
        for my $source (@sources) {

            #~ warn "Processing source: $source\n";
            my $cxx       = $source =~ /cx+$/;
            my $file_base = $source->basename(qr[.c$]);
            my $tempdir   = path('lib');
            $tempdir->mkdir( { verbose => $verbose, mode => oct '755' } );
            my $version = $meta->version;
            my $obj     = $builder->object_file($source);

            #~ warn "Checking obj: $obj\n";
            # Check mtimes of all .c and .h files under lib/ (includes Affix.c, marshal.c, Affix.h)
            my $newest_dep = $source->stat->mtime;
            my $iter       = path('lib')->iterator;
            while ( my $entry = $iter->() ) {
                next unless $entry->is_file;
                next unless $entry =~ /\.[ch]$/;
                my $dep_mtime = $entry->stat->mtime;
                $newest_dep = $dep_mtime if $dep_mtime > $newest_dep;
            }
            my $should_compile
                = ( $force ||
                    ( !-f $obj ) ||
                    ( $newest_dep >= path($obj)->stat->mtime ) ||
                    ( path(__FILE__)->stat->mtime > path($obj)->stat->mtime ) );
            if ($should_compile) {
                my $reason
                    = !-f $obj                                            ? 'object file missing' :
                    $newest_dep >= path($obj)->stat->mtime                ? 'source newer than object' :
                    path(__FILE__)->stat->mtime > path($obj)->stat->mtime ? 'builder changed' :
                    'forced';
                warn "Compiling $source ($reason)\n";
                $recompiled = 1;
            }
            push @dirs, $source->dirname();
            $has_cxx = 1 if $cxx;
            push @objs,
                $should_compile ?
                $builder->compile(
                quiet        => 0,
                'C++'        => $cxx,
                source       => $source->stringify,
                defines      => { VERSION => qq/"$version"/, XS_VERSION => qq/"$version"/ },
                include_dirs => [
                    cwd->stringify,                                             cwd->child('infix')->realpath->stringify,
                    cwd->child('infix')->child('include')->realpath->stringify, cwd->child('infix')->child('src')->realpath->stringify,
                    $source->dirname,                                           $pre->child( $meta->name, 'include' )->stringify
                ],
                extra_compiler_flags =>
                    ( '-fPIC -std=' . ( $cxx ? $cppver : $cver ) . ' ' . $cflags . ( $debug ? ' -ggdb3 -g -Wall -Wextra -pedantic' : '' ) )
                ) :
                $obj;
        }

        # Point to the Architecture-specific build lib
        my $infix_build_lib = cwd->absolute->child('infix')->child( 'build_lib', $Config{archname} )->stringify;

        # Check for -lrt requirement
        my $lrt_flag = $self->check_for_lrt();
        my $data     = {