Checking if your kit is complete... Looks good Writing Makefile for Net::FPing cp FPing.pm blib/lib/Net/FPing.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 FPing.xs > FPing.xsc && mv FPing.xsc FPing.c 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=\"0.9\" -DXS_VERSION=\"0.9\" +Z "-I/home/cpanrun/pa-risc1.1/build/5.8.2/lib/5.8.2/PA-RISC1.1-thread-multi/CORE" FPing.c cpp: "FPing.xs", line 1: warning 2001: Redefinition of macro _POSIX_C_SOURCE. cpp: "FPing.xs", line 35: error 4036: Can't open include file 'netinet/icmp6.h'. make: *** [FPing.o] Error 1