Checking if your kit is complete... Looks good Unrecognized argument in LIBS ignored: 'pdh.lib' Unrecognized argument in LIBS ignored: 'Advapi32.lib' Writing Makefile for Win32::Process::Perf cp lib/Win32/Process/Perf/cz.dat blib/lib/Win32/Process/Perf/cz.dat cp lib/Win32/Process/Perf/de-at.dat blib/lib/Win32/Process/Perf/de-at.dat cp lib/Win32/Process/Perf/en-gb.dat blib/lib/Win32/Process/Perf/en-gb.dat cp lib/Win32/Process/Perf/en-us.dat blib/lib/Win32/Process/Perf/en-us.dat cp lib/Win32/Process/Perf/cs.dat blib/lib/Win32/Process/Perf/cs.dat cp lib/Win32/Process/Perf.pm blib/lib/Win32/Process/Perf.pm cp lib/Win32/Process/Perf/de-de.dat blib/lib/Win32/Process/Perf/de-de.dat /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 Perf.xs > Perf.xsc && mv Perf.xsc Perf.c Please specify prototyping behavior for Perf.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=\"1.05\" -DXS_VERSION=\"1.05\" +Z "-I/home/cpanrun/pa-risc1.1/build/5.8.2/lib/5.8.2/PA-RISC1.1-thread-multi/CORE" Perf.c cpp: "Perf.xs", line 33: error 4036: Can't open include file 'windows.h'. cpp: "Perf.xs", line 34: error 4036: Can't open include file 'PDH.h'. cpp: "Perf.xs", line 35: error 4036: Can't open include file 'PDHMSG.h'. cpp: "Perf.xs", line 38: error 4036: Can't open include file 'tchar.h'. cpp: "Perf.xs", line 39: error 4036: Can't open include file 'Sddl.h'. make: *** [Perf.o] Error 1