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