|  | 
 | CORE_INCS="$UNIX_INCS" | 
 | CORE_DEPS="$UNIX_DEPS $FREEBSD_DEPS" | 
 | CORE_SRCS="$UNIX_SRCS $FREEBSD_SRCS" | 
 |  | 
 | PIPE="-pipe" | 
 |  | 
 |  | 
 | # __FreeBSD_version is the best way to determine whether | 
 | # some capability exists and is safe to use | 
 |  | 
 | version=`grep "#define __FreeBSD_version" /usr/include/osreldate.h \ | 
 |          | sed -e 's/^.* \(.*\)$/\1/'` | 
 |  | 
 |  | 
 | # setproctitle() in libutil | 
 |  | 
 | if [ \( $version -ge 500000 -a $version -lt 500012 \) \ | 
 |      -o $version -lt 410002 ] | 
 | then | 
 |     echo " + setproctitle() in libutil" | 
 |  | 
 |     CORE_LIBS="$CORE_LIBS -lutil" | 
 | fi | 
 |  | 
 | # sendfile | 
 |  | 
 | if [ $version -gt 300007 ]; then | 
 |     echo " + using sendfile()" | 
 |  | 
 |     have=HAVE_SENDFILE . auto/have | 
 |     CORE_SRCS="$CORE_SRCS $FREEBSD_SENDFILE_SRCS" | 
 | fi | 
 |  | 
 |  | 
 | # kqueue | 
 |  | 
 | if [ \( $version -lt 500000 -a $version -ge 410000 \) \ | 
 |      -o $version -ge 500011 ] | 
 | then | 
 |     echo " + using kqueue" | 
 |  | 
 |     have=HAVE_KQUEUE . auto/have | 
 |     have=HAVE_CLEAR_EVENT . auto/have | 
 |     CORE_SRCS="$CORE_SRCS $KQUEUE_SRCS" | 
 |     EVENT_MODULES="$EVENT_MODULES $KQUEUE_MODULE" | 
 |     EVENT_FOUND=YES | 
 | fi | 
 |  | 
 |  | 
 | # kqueue's NOTE_LAWAT | 
 |  | 
 | if [ \( $version -lt 500000 -a $version -ge 430000 \) \ | 
 |      -o $version -ge 500018 ] | 
 | then | 
 |     echo " + using kqueue's NOTE_LAWAT" | 
 |  | 
 |     have=HAVE_LOWAT_EVENT . auto/have | 
 | fi | 
 |  | 
 |  | 
 | if [ $EVENT_AIO = YES ]; then | 
 |     CORE_SRCS="$CORE_SRCS $AIO_SRCS" | 
 |     EVENT_MODULES="$EVENT_MODULES $AIO_MODULE" | 
 | fi |