# set `echo X "$libswanted "|sed -e 's/ socket / /' -e 's/ sun / /' -e 's/ crypt / /' -e 's/ nsl / /' -e 's/ dl / /'`
# shift
# libswanted="$*"
+
+if [ "X$usethreads" = "X$define" ]; then
+ echo >&4 "IRIX 6.0 does not have POSIX threads."
+ echo >&4 "You should upgrade to at least IRIX 6.3."
+ echo >&4 "Cannot continue, aborting."
+ exit 1
+fi
+