cpan[3]> force install DBD::Oracle
Running install for module 'DBD::Oracle'
Running make for P/PY/PYTHIAN/DBD-Oracle-1.64.tar.gz
  Has already been unwrapped into directory /root/.cpan/build/DBD-Oracle-1.64-9PmzhO

  CPAN.pm: Building P/PY/PYTHIAN/DBD-Oracle-1.64.tar.gz

rm -f blib/arch/auto/DBD/Oracle/Oracle.so
LD_RUN_PATH="/u01/app/oracle/product/11.2.0/client_1/lib" gcc  -shared -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic Oracle.o dbdimp.o oci8.o  -o blib/arch/auto/DBD/Oracle/Oracle.so         \
           -L/u01/app/oracle/product/11.2.0/client_1/lib/ -lclntsh -ldl -lm -lpthread -lnsl -lirc -lipgo -ldl -lm   \

/usr/bin/ld: skipping incompatible /u01/app/oracle/product/11.2.0/client_1/lib//libclntsh.so when searching for -lclntsh
/usr/bin/ld: cannot find -lclntsh
collect2: ld returned 1 exit status
make: *** [blib/arch/auto/DBD/Oracle/Oracle.so] Error 1
  PYTHIAN/DBD-Oracle-1.64.tar.gz
  /usr/bin/make -- NOT OK
Running make test
  Can't test without successful make
Running make install
  Make had returned bad status, install seems impossible
Failed during this command:
 PYTHIAN/DBD-Oracle-1.64.tar.gz               : make NO

cpan[4]>