Checking if your kit is complete... Looks good Note (probably harmless): No library found for -lutil Writing Makefile for BSD::Jail cp Jail.pm blib/lib/BSD/Jail.pm /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 Jail.xs > Jail.xsc && mv Jail.xsc Jail.c Please specify prototyping behavior for Jail.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" Jail.c cpp: "Jail.xs", line 6: error 4062: This only works on FreeBSD 4.0 or greater cpp: "Jail.xs", line 10: error 4036: Can't open include file 'sys/jail.h'. make: *** [Jail.o] Error 1