Warning while applying opatch 8940108

Hi AllI applied opatch  8940108 on Oracle EBS 12.1.1 Database (11.1.0.7) with following command

$ opatch apply -invPtrLoc /home/mnt/db/db/tech_st/11.1.0/oraInst.loc

Following Warning appear.
Why showing Warning.


The following warnings have occurred during OPatch execution:
1) OUI-67078:Interim patch 8940108 is a superset of the patch(es) [  7708340 ] in OH /home/mnt/db/db/tech_st/11.1.0
2) OUI-67215:
OPatch found the word "failed" in the stderr of the make command.
Please look at this stderr. You can re-run this make command.
Stderr output:
/home/mnt/db/db/tech_st/11.1.0/lib32/libxml11.a: could not read symbols: File in wrong format
collect2: ld returned 1 exit status