Note (probably harmless): No library found for -lutil Checking if your kit is complete... Looks good Writing Makefile for BSD::Jail cp Jail.pm blib/lib/BSD/Jail.pm /export/home/cpanrun/build/5.6.1/bin/perl -I/export/home/cpanrun/build/5.6.1/lib/5.6.1/sun4-solaris-thread-multi -I/export/home/cpanrun/build/5.6.1/lib/5.6.1 /export/home/cpanrun/build/5.6.1/lib/5.6.1/ExtUtils/xsubpp -typemap /export/home/cpanrun/build/5.6.1/lib/5.6.1/ExtUtils/typemap Jail.xs > Jail.xsc && mv Jail.xsc Jail.c Please specify prototyping behavior for Jail.xs (see perlxs manual) gcc -c -DUSE_REENTRANT_API -D_POSIX_PTHREAD_SEMANTICS -D_REENTRANT -fno-strict-aliasing -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -O -DVERSION=\"0.01\" -DXS_VERSION=\"0.01\" -fPIC -I/export/home/cpanrun/build/5.6.1/lib/5.6.1/sun4-solaris-thread-multi/CORE Jail.c Jail.xs:6: #error This only works on FreeBSD 4.0 or greater Jail.xs:10: sys/jail.h: No such file or directory make: *** [Jail.o] Error 1