sh: aCC: not found *** Error exit code 127

hi
We are upgrading the database of EBS 11i from 10.2.0.3 to 11.2.0.3 and in that process we applied three  patches as per metalink note
Interoperability Notes Oracle EBS 11i with Oracle Database 11gR2 (11.2.0) (Doc ID 881505.1)
The patches are
Patch 8815204
Patch 5644137
Patch 7456837

in that we had applied the patch Patch 5644137 and while applying the second patch
Patch 7456837 we are getting the error as

Relinking module 'WPCFSQ' in product wps ...

make -f /prod01/app/prodappl/admin/OMPROD/out/link_wps_18050.mk
/prod01/app/prodappl/wps/11.5.0/bin/WPCFSQ

Starting  link of wps executable 'WPCFSQ' on Mon Aug 19 10:01:32 UAE 2013
        aCC -Wl,-a,default,+s -L/prod01/app/prodora/8.0.6/lib/ -o