Checking if your kit is complete...
Looks good
Writing Makefile for Device::ParallelPort::drv::parport
cp parport.pm blib/lib/Device/ParallelPort/drv/parport.pm
/home/cpanrun/pa-risc1.1/build/5.6.1/bin/perl -I/home/cpanrun/pa-risc1.1/build/5.6.1/lib/5.6.1/PA-RISC1.1-thread-multi -I/home/cpanrun/pa-risc1.1/build/5.6.1/lib/5.6.1 /home/cpanrun/pa-risc1.1/build/5.6.1/lib/5.6.1/ExtUtils/xsubpp  -typemap /home/cpanrun/pa-risc1.1/build/5.6.1/lib/5.6.1/ExtUtils/typemap parport.xs > parport.xsc && mv parport.xsc parport.c
Please specify prototyping behavior for parport.xs (see perlxs manual)
cc -c  -D_POSIX_C_SOURCE=199506L -D_HPUX_SOURCE +DA1.1 +DS2.0a +z -I/usr/local/include -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -Ae -O +Onolimit   -DVERSION=\"1.0\" -DXS_VERSION=\"1.0\" +z -I/home/cpanrun/pa-risc1.1/build/5.6.1/lib/5.6.1/PA-RISC1.1-thread-multi/CORE  parport.c
cpp: "parport.xs", line 11: error 4036: Can't open include file 'linux/parport.h'.
cpp: "parport.xs", line 13: error 4036: Can't open include file 'linux/ppdev.h'.
make: *** [parport.o] Error 1