Oracle 10.2. installation error on redhat as 4., please suggest immeidatly

I am installing oracle 10g2 version on Red Hat Enterprise Linux AS release 4 (kernal 2.6.9-78.EL) and getting following errros.. please sugges as i am in middle of installation

Error in invoking target 'install' of make file
/u1/oracle/product/10.2.0/db_1/ctx/lib/ins_ctx.mk'. see
...

GREAT Thanks in advance...

you havent followed all the pre-requisites and applied all the os patches / settings

I have done all pre-requisites and found all my initial tests are passed.
do suggest accordingly...

no you havent - or it would work

it end up re-installing os and DB installation.. finally succeeded.
Cheers..
/MR