Checking if your kit is complete... Looks good Note (probably harmless): No library found for -lxpa Writing Makefile for IPC::XPA cp XPA.pm blib/lib/IPC/XPA.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 -typemap typemap XPA.xs > XPA.xsc && mv XPA.xsc XPA.c Please specify prototyping behavior for XPA.xs (see perlxs manual) cc -c -I/proj/axaf/pkgs/xpa/include -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=\"0.05\" -DXS_VERSION=\"0.05\" +Z "-I/home/cpanrun/pa-risc1.1/build/5.8.2/lib/5.8.2/PA-RISC1.1-thread-multi/CORE" XPA.c cpp: "XPA.xs", line 15: error 4036: Can't open include file 'xpa.h'. make: *** [XPA.o] Error 1