backend build rules.

(other schema should be provided as defined in its specification).
and trim DESC to one line

(I think I fixed this by other means, but this does no harm)

by on 4K pages, the id2entry database still needs more (16K).

in pathnames.

large IDLs. Concurrency is improved by using as small a page size as
possible. So, set the pagesize back to the default 4096 in this case.

MSVC cannot build clients/ud because the symbol mkstemp
is not found.  Add tmpfile() support.

to activate. Needs to check limits in bdb_idl_insert_key, will get to
that later.

now dnValidate loops thru each value; added private member to LDAPAVA to hold the attribute description

liberally accept many LDAPv2/LDAPv3 stuff in DN (quoted parts, ';' as rdn separator and so); enforce exact case match of normalized dn in dnMatch (let's see what happens ...); fix a ldapava_free_rdn bug