Checking if your kit is complete... Looks good Note (probably harmless): No library found for -lao Writing Makefile for Ao cp Ao.pm blib/lib/Ao.pm AutoSplitting blib/lib/Ao.pm (blib/lib/auto/Ao) /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 Ao.xs > Ao.xsc && mv Ao.xsc Ao.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=\"0.02\" -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" Ao.c cpp: "Ao.xs", line 5: error 4036: Can't open include file 'ao/ao.h'. make: *** [Ao.o] Error 1