Checking if your kit is complete...
Looks good
Note (probably harmless): No library found for -lpcap
Writing Makefile for Net::Arping
cp Arping.pm blib/lib/Net/Arping.pm
/home/cpanrun/pa-risc1.1/build/5.8.2/bin/perl /home/cpanrun/pa-risc1.1/build/5.8.2/lib/5.8.2/ExtUtils/xsubpp  -typemap /home/cpanrun/pa-risc1.1/build/5.8.2/lib/5.8.2/ExtUtils/typemap  Arping.xs > Arping.xsc && mv Arping.xsc Arping.c
Please specify prototyping behavior for Arping.xs (see perlxs manual)
cc -c   -D_POSIX_C_SOURCE=199506L -D_REENTRANT -Ae -D_HPUX_SOURCE -Wl,+vnocompatwarnings -DNO_HASH_SEED -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -fast +Onolimit +Opromote_indirect_calls +DAportable +DS2.0   -DVERSION=\"0.02\" -DXS_VERSION=\"0.02\" +Z "-I/home/cpanrun/pa-risc1.1/build/5.8.2/lib/5.8.2/PA-RISC1.1-thread-multi/CORE"  INC Arping.c
cpp: "Arping.xs", line 17: error 4036: Can't open include file 'libnet.h'.
cpp: "Arping.xs", line 18: error 4036: Can't open include file 'pcap.h'.
make: *** [Arping.o] Error 1