Checking if your kit is complete...
Looks good
Writing Makefile for PowerBuilder::ORCA
cp ORCA.pm blib/lib/PowerBuilder/ORCA.pm
AutoSplitting blib/lib/PowerBuilder/ORCA.pm (blib/lib/auto/PowerBuilder/ORCA)
/home/cpanrun/parisc2.0-lp64/build/5.8.2/bin/perl /home/cpanrun/parisc2.0-lp64/build/5.8.2/lib/5.8.2/ExtUtils/xsubpp  -typemap /home/cpanrun/parisc2.0-lp64/build/5.8.2/lib/5.8.2/ExtUtils/typemap  ORCA.xs > ORCA.xsc && mv ORCA.xsc ORCA.c
Please specify prototyping behavior for ORCA.xs (see perlxs manual)
cc -c   -D_POSIX_C_SOURCE=199506L -D_REENTRANT -Ae -D_HPUX_SOURCE -Wl,+vnocompatwarnings +DD64 -DNO_HASH_SEED -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -fast +Onolimit +Opromote_indirect_calls   -DVERSION=\"0.05\" -DXS_VERSION=\"0.05\" +Z "-I/home/cpanrun/parisc2.0-lp64/build/5.8.2/lib/5.8.2/PA-RISC2.0-thread-multi-LP64/CORE"   ORCA.c
cpp: "ORCA.xs", line 12: error 4036: Can't open include file 'windows.h'.
cpp: "ORCA.xs", line 14: error 4036: Can't open include file 'pborca.h'.
make: *** [ORCA.o] Error 1