RedHat 7.0 install problem: configure fails with "BerkeleyDB version incompatible": now what?

["Robert Cook" <rcook@cdi-hq.com>]

checking for Berkeley DB link (default)... no
checking for Berkeley DB link (-ldb42)... no
checking for Berkeley DB link (-ldb-42)... no
checking for Berkeley DB link (-ldb-4.2)... no
checking for Berkeley DB link (-ldb-4-2)... no
checking for Berkeley DB link (-ldb41)... no
checking for Berkeley DB link (-ldb-41)... no
checking for Berkeley DB link (-ldb-4.1)... no
checking for Berkeley DB link (-ldb-4-1)... no
checking for Berkeley DB link (-ldb-4)... no
checking for Berkeley DB link (-ldb4)... no
checking for Berkeley DB link (-ldb)... yes
checking for Berkeley DB thread support... yes
checking Berkeley DB version for BDB backend... no
configure: error: BDB: BerkeleyDB version incompatible

can I not use RedHat 7.0?  is it time to upgrade? (major hassle!)