prevent use of ranlib on pdp-11's

diff --git a/first/first b/first/first
index b1f3a29..ac16252 100755 (executable)
--- a/first/first
+++ b/first/first
@@ -99,10 +99,21 @@ else
 fi
 : "Take action according to the system used"
 : 'Prevent the use of the system assembler on for certain systems'
+: 'prevent the use of ranlib on pdp 11s'
 case `ack_sys` in
 vax_bsd*)      RMD=pdp ;;
 vax_sys*)      RMD=pdp ;;
-pdp_*)         RMD="vax4" ;;
+pdp_*)         RMD="vax4"
+               echo "exit 93" > ../bin/ranlib
+               chmod +x ../bin/ranlib
+               ranlib > /dev/null 2>&1
+               case X$? in
+               X93)    ;;
+               *)      echo "Sorry, there still is an error in your PATH."
+                       echo "It finds the system ranlib before ours, which is in the ACK bin directory."
+                       exit 13
+               esac
+               ;;
 *)             RMD="pdp vax4" ;;
 esac
 for i in $RMD