carton install with mysql

cpanfile

do 'mysql_helper.pl';
requires 'DBD::mysql';

mysql_helper.pl

#!/usr/bin/env perl

use strict;
use warnings;
use File::Temp qw/tempdir/;
use Cwd;

my $MYSQL_VERSION = '5.5.32'; # 5.5.x or 5.6.x

$MYSQL_VERSION =~ m!^(5\.[5-6])\.\d+$! or die "non supported version";
my $version_major = $1;
my $cwd = getcwd();
my @path = split /:/,$ENV{PATH};
push @path, '/usr/local/mysql/bin';
push @path, $cwd.'/local/bin';
my $mysql_config;
my $bin_path;
for my $path (@path){
    if ( -x $path . '/mysql_config' ) {
        $mysql_config = $path . '/mysql_config';
        $bin_path = $path; 
        last;
    }
}

if ( $mysql_config ) {
    warn "mysql_config found in $mysql_config";
    my $version = `$mysql_config --version`;
    if ( $version =~ m!^4! ) {
        $mysql_config = undef;
    }
}

if ( !$mysql_config ) {
    my $dir = tempdir( CLEANUP => 1 );
    my $shell = <<'EOF';
#!/bin/sh
set -e
CDIR=$(cd $(dirname $0) && pwd)
cd $CDIR
wget http://ftp.jaist.ac.jp/pub/mysql/Downloads/MySQL-<% VERSION_MAJOR %>/mysql-<% VERSION %>.tar.gz
tar zxf mysql-<% VERSION %>.tar.gz
cd mysql-<% VERSION %>
cmake . -DCMAKE_INSTALL_PREFIX=<% INSTALL_PREFIX %>/local \
        -DDEFAULT_CHARSET=utf8 \
        -DWITH_EXTRA_CHARSETS=all \
        -DDEFAULT_COLLATION=utf8_general_ci \
        -DWITH_DEBUG=0 \   
        -DWITH_READLINE=1 \
        -DWITH_ZLIB=bundled
make
make install
EOF
    $shell =~ s!<% VERSION_MAJOR %>!$version_major!g;
    $shell =~ s!<% VERSION %>!$MYSQL_VERSION!g;
    $shell =~ s!<% INSTALL_PREFIX %>!$cwd!g;
    open my $fh, '>', "$dir/setup.sh";
    $fh->print($shell);
    my $ret = system('/bin/bash',"$dir/setup.sh");
    die "failed to install mysql to local" if $ret != 0;

    $ENV{PATH} = "local/bin:".$ENV{PATH};
}
elsif ( $bin_path eq '/usr/local/mysql/bin' || $bin_path eq "$cwd/local/bin" ) {
    $ENV{PATH} = $bin_path.":".$ENV{PATH};
}