checking db.h usability... yes checking db.h presence... yes checking for db.h... yes checking for Berkeley DB major version in db.h... none configure: error: Unknown Berkeley DB major version in db.h

From config.log:

configure:20300: checking db.h usability configure:20300: cc -c -g -O0 -DSLAP_SCHEMA_EXPOSE -DLDAP_COLLECTIVE_ATTRIBUTES -DSLAP_CONFIG_DELETE -I/usr/include -I/usr/include -I/usr/include -I/usr/include conftest.c >&5 configure:20300: $? = 0 configure:20300: result: yes configure:20300: checking db.h presence configure:20300: cc -E -I/usr/include -I/usr/include -I/usr/include -I/usr/include conftest.c configure:20300: $? = 0 configure:20300: result: yes configure:20300: checking for db.h configure:20300: result: yes configure:20311: checking for Berkeley DB major version in db.h configure:20331: result: none configure:20334: error: Unknown Berkeley DB major version in db.h