Checking if your kit is complete... Looks good Writing Makefile for Solaris::loadavg cp loadavg.pm blib/lib/Solaris/loadavg.pm /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 loadavg.xs > loadavg.xsc && mv loadavg.xsc loadavg.c Please specify prototyping behavior for loadavg.xs (see perlxs manual) 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=\"0.01\" -DXS_VERSION=\"0.01\" +Z "-I/home/cpanrun/pa-risc1.1/build/5.8.2/lib/5.8.2/PA-RISC1.1-thread-multi/CORE" loadavg.c cpp: "loadavg.xs", line 4: error 4036: Can't open include file 'sys/loadavg.h'. make: *** [loadavg.o] Error 1