No subject

> > 
> > $ ldd /usr/lib/security/pam_krb5.so.1
> >         libpam.so.1 =>   /usr/lib/libpam.so.1
> >         libnsl.so.1 =>   /usr/lib/libnsl.so.1
> >         libsocket.so.1 =>        /usr/lib/libsocket.so.1
> >         libc.so.1 =>     /usr/lib/libc.so.1
> >      libdl.so.1 =>    /usr/lib/libdl.so.1
> >         libmp.so.2 =>    /usr/lib/libmp.so.2
> >         /usr/platform/SUNW,Ultra-2/lib/libc_psr.so.1

my stab in the dark is that you are missing 

/usr/lib/libresolv.so.1

append -lresolv to:

KRB5LIBS = -L/usr/kerberos/lib -R/usr/kerberos/lib -lkrb5 -lk5crypto -lcom_err

and relink.

Good luck.

Seth Meyer