- Portability fix: FreeBSD 4.8-STABLE (480101) and 5.0-CURRENT (500110)

   now have a thread safe realpath(3) implementation - added check to only
   define -DHAVE_BROKEN_REALPATH where required
   (thanks to Martin Blapp from the FreeBSD team for the patch)

configure.in

@@ -1025,8 +1025,16 @@ case $SYSTEM_TYPE in
     ;;
   *freebsd*)
     echo "Adding fix for interrupted reads"
+    OSVERSION=`sysctl -a | grep osreldate | awk '{ print $2 }'`
+    if test "$OSVERSION" -gt "480100" && \
+       test "$OSVERSION" -lt "500000" || \
+       test "$OSVERSION" -gt "500109"
+    then
+       CXXFLAGS="$CXXFLAGS -DMYSQLD_NET_RETRY_COUNT=1000000"
+    else
        CFLAGS="$CFLAGS -DHAVE_BROKEN_REALPATH"
        CXXFLAGS="$CXXFLAGS -DMYSQLD_NET_RETRY_COUNT=1000000 -DHAVE_BROKEN_REALPATH"
+    fi
     ;;
   *netbsd*)
     echo "Adding flag -Dunix"