Checking if your kit is complete... Looks good Note (probably harmless): No library found for -larm Writing Makefile for Perf::ARM cp ARM.pm blib/lib/Perf/ARM.pm AutoSplitting blib/lib/Perf/ARM.pm (blib/lib/auto/Perf/ARM) /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 ARM.xs > ARM.xsc && mv ARM.xsc ARM.c Please specify prototyping behavior for ARM.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=\"0.04\" -DXS_VERSION=\"0.04\" +Z "-I/home/cpanrun/parisc2.0-lp64/build/5.8.2/lib/5.8.2/PA-RISC2.0-thread-multi-LP64/CORE" ARM.c cpp: "ARM.xs", line 11: error 4036: Can't open include file 'arm.h'. make: *** [ARM.o] Error 1