maintaining Apache user authentication DB/DBM with PHP

Has anyone successfully used db2 with PHP? I can get it to work with GDBM, but apparently Apache mod_db or mod_dbm on Linux can't use GDMB. Here's how I compiled php4.0.6 on RH 6.2: ./configure --prefix=/usr/local \ --with-apxs=/usr/sbin/apxs \ --with-config-file-path=/etc/httpd/conf \ --enable-track-vars \ --enable-trans-sid \ --enable-versioning \ --enable-apc \ --with-calendar=shared \ --enable-safe-mode \ --with-db2=/usr/local/BerkeleyDB \ --with-gdbm=/usr/include \ --with-db=/usr \ --enable-mbstring \ --enable-mbstr-enc-trans \ I installed SleepyCat db3 2.7.7, but db2 is also included in the glibc RPM. The header files from glibc's db2 are in /usr/include but I couldn't get PHP to find them. phpinfo says db2 support is available: dba DBA support enabled Supported handlers gdbm db2 db This is GDBM version 1.8.0, as of May 19, 1999. When I try to create or edit a db2 file like this: $dbmfile= "/tmp/testdb"; $username= "user"; $passwd= "password"; $encpasswd = crypt ($passwd); $dbh = dba_open($dbmfile, "c", "db2") or die ("Cannot open DB $dbmfile!"); if (!dba_replace($dbh, $username, $encpasswd)) {

        print "Success";

} else {

        print "Failure";

} dba_close($dbh); ...I get this error: Warning: driver initialization failed in /home/richpav/php/passwd.php on line 8 Cannot open DB /tmp/testdb! Since I'm trying to create the db in /tmp, it can't be a problem with permissions. I have to use db or dbm for Apache authentication. I can't install an RDB such as MySQL on the corporate DMZ. Thanks, Rich