[Exim] Compilation Error.

Hi,
I received the following error during compilation.
Please help.

uname -a: SunOS droopy 5.7 Generic sun4u sparc SUNW,UltraSPARC-IIi-Engine

Error During Compilation:

pam_start                           auths/auths.a(call_pam.o)
ld: fatal: Symbol referencing errors. No output written to exim
collect2: ld returned 1 exit status
*** Error code 1
make: Fatal error: Command failed for target `exim'
Current working directory /home/host/exim-3.12/build-SunOS5-5.7-sparc
*** Error code 1
make: Fatal error: Command failed for target `go'

Thanks
Sal