uname -s | grep -q BSD
if [ $? = 0 ] ; then # BSD case
- uname -s | grep -q FreeBSD
- if [ $? = 0 ] ; then # FreeBSD case
- MY_AC_VER=259
- MY_AM_VER=19
- fi
- uname -s | grep -q OpenBSD
- if [ $? = 0 ] ; then # OpenBSD case
- MY_AC_VER=-2.61
- MY_AM_VER=-1.9
- fi
+ case `uname -sr` in
+ 'FreeBSD 4'*) # FreeBSD 4.x has a different naming
+ MY_AC_VER=259
+ MY_AM_VER=19
+ ;;
+ *)
+ MY_AC_VER=-2.61
+ MY_AM_VER=-1.9
+ ;;
+ esac
else # linux case
MY_AC_VER=
MY_AM_VER=