problem squidGuard.1.2.1 et BerkeleyDB.3.3

i have installed the BerkleyDB.1.2.1 and then when i trierd to install the squidGuard.1.2.1 with this command :
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./configure --prefix=/usr--with-db-lib=/usr/local/BerkeleyDB/lib--with-sg-config=/etc/squid/squidGuard.conf--with-sg-logdir=/var/log/squid--with-sg-dbhome=/var/lib/squidGuard/db
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it gives me the following error

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The Berkley DB library version 2.6.4 or newer
is required. Get it from
http://www.oracle.com/database/berkeley-db.html
use --with-db=DIR or --with-db-inc=DIR,
--with-db-lib=DIR to specify its location
(default is /usr/local/BerkeleyDB)

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i want to know what is the problem
i need the help please
thanks and regards:)