# - Gentoo (gentoo)
# - Mac OS X (darwin)
# - Solaris/OpenSolaris (sun)
+# - FreeBSD (freebsd)
# If an unsupported OS is used an error is printed.
os() {
if [ -f /etc/debian_version ]; then
echo darwin
elif [ x`uname` = xSunOS ]; then
echo sun
+ elif [ x`uname` = xFreeBSD ]; then
+ echo freebsd
else
echo unsupported OS! >&2
return 1