Checking if your kit is complete...
Looks good
Writing Makefile for IP::Unique
cp lib/IP/Unique.pm blib/lib/IP/Unique.pm
/home/cpanrun/ia64-lp64/build/5.8.2/bin/perl /home/cpanrun/ia64-lp64/build/5.8.2/lib/5.8.2/ExtUtils/xsubpp  -C++ -typemap /home/cpanrun/ia64-lp64/build/5.8.2/lib/5.8.2/ExtUtils/typemap -typemap typemap  Unique.xs > Unique.xsc && mv Unique.xsc Unique.c
Please specify prototyping behavior for Unique.xs (see perlxs manual)
g++ -c  -I. -Wall -fast +DSitanium2 +Ofltacc=strict   -DVERSION=\"0.03\" -DXS_VERSION=\"0.03\" +Z "-I/home/cpanrun/ia64-lp64/build/5.8.2/lib/5.8.2/IA64.ARCHREV_0-thread-multi-LP64/CORE"   Unique.c
g++: +DSitanium2: No such file or directory
g++: +Ofltacc=strict: No such file or directory
g++: +Z: No such file or directory
cc1plus: error: unrecognized command line option "-fast"
make: *** [Unique.o] Error 1