Checking if your kit is complete... Looks good Writing Makefile for Device::WS2000::IO cp IO.pm blib/lib/Device/WS2000/IO.pm AutoSplitting blib/lib/Device/WS2000/IO.pm (blib/lib/auto/Device/WS2000/IO) /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 IO.xs > IO.xsc && mv IO.xsc IO.c Please specify prototyping behavior for IO.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=\"0.01\" -DXS_VERSION=\"0.01\" +Z "-I/home/cpanrun/parisc2.0-lp64/build/5.8.2/lib/5.8.2/PA-RISC2.0-thread-multi-LP64/CORE" IO.c cpp: "IO.xs", line 16: warning 2001: Redefinition of macro FALSE. cpp: "IO.xs", line 17: warning 2001: Redefinition of macro TRUE. cc: "IO.xs", line 111: error 1588: "FASYNC" undefined. cc: "IO.xs", line 111: warning 563: Argument #3 is not the correct type. cc: "IO.xs", line 151: error 1588: "MDTR" undefined. cc: "IO.xs", line 161: error 1588: "MDTR" undefined. cc: "IO.xs", line 161: error 1559: Complement operator takes integral operand. make: *** [IO.o] Error 1