diff --git a/pkgs/build-support/builder-defs/builder-defs.nix b/pkgs/build-support/builder-defs/builder-defs.nix
index 29fc9845ab3..72a7dd03f8d 100644
--- a/pkgs/build-support/builder-defs/builder-defs.nix
+++ b/pkgs/build-support/builder-defs/builder-defs.nix
@@ -275,6 +275,11 @@ let inherit (builtins) head tail trace; in
                 autoconf
         ")["minInit" "addInputs" "doUnpack"];
 
+        # changing this ? see [1]
+        doAutogen = fullDepEntry (''
+                ./autogen.sh
+        '')["minInit" "addInputs" "doUnpack"];
+
         # changing this ? see [1]
         doMake = fullDepEntry ("        
                 make ${toString makeFlags}