problems with dbm option ..

Hi all... I am a absolute new bie to php .. Here i have been trying to configure php 4.0.5 with apache_1.3.19 .. But then when i give the configure option as follows ... ./configure -with-mysql -with-dbm -with-db3=/usr/local/lib -with-apache=../apache_1.3.19 -enable-track-vars I am getting the same error again and again .. ie cannot find necessary header files...I have pasted the same below... checking for Berkeley DB3 support... yes checking for dbminit in -ldb1... no checking for dbminit in -ldbm... no checking for dbminit in -lc... no configure: error: cannot find necessary header file(s) Can any one tell me as to where am i going wrong and how can i get configure to work with the dbm option ... Thanks and regards Sovan