# set `echo X "$libswanted "|sed -e 's/ socket / /' -e 's/ sun / /' -e 's/ crypt / /' -e 's/ nsl / /' -e 's/ dl / /'`
# shift
# libswanted="$*"
+
+case "$usethreads" in
+$define|true|[yY]*)
+ cat >&4 <<EOM
+IRIX `uname -r` does not support POSIX threads.
+You should upgrade to at least IRIX 6.2 with pthread patches.
+EOM
+ exit 1
+ ;;
+esac
+
+case " $use64bits $use64bitint $use64bitall " in
+*" $define "*|*" true "*|*" [yY] "*)
+ cat >&4 <<EOM
+IRIX `uname -r` does not support 64-bit types.
+You should upgrade to at least IRIX 6.2.
+Cannot continue, aborting.
+EOM
+ exit 1
+esac
+