1 files changed, 4 insertions, 0 deletions
diff --git a/Configure b/Configure
index 7677aa6f5b..20b4b35771 100755
--- a/Configure
+++ b/Configure
@@ -9829,6 +9829,10 @@ for xxx in $known_extensions ; do
 	    $define) avail_ext="$avail_ext $xxx" ;;
 	    esac
 	    ;;
+    Thread) case "$usethreads" in 
+	    $define) avail_ext="$avail_ext $xxx" ;;
+	    esac
+	    ;;
     *)      avail_ext="$avail_ext $xxx"
 	    ;;
     esac