I am seeing this undefined reference

[address@hidden]

hi All,
I am seeing the following symbol as undefined in my code

regexec@GLIBC_2.3.4

use emacs!!)]
< *** Using loader g++ instead of cc ...
< simv1
< /remote/vtghome3/paragp/p9/lrb/full/lib/libvcsnew.so: undefined
reference to `regexec@GLIBC_2.3.4'
< collect2: ld returned 1 exit status
< make: *** [product_timestamp] Error 1
< Make exited with status 2


What could be the possible bug,
I am working ona compiler, which has this library libvcsnew.so which
si linked to the generated objs