diff --git a/aclocal.m4 b/aclocal.m4
index b10eeec..13988fe 100644
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -1487,6 +1487,9 @@ AC_DEFUN([GHC_CONVERT_VENDOR],[
   pc|gentoo) # like i686-pc-linux-gnu and i686-gentoo-freebsd8
     $2="unknown"
     ;;
+  softfloat) # like armv5tel-softfloat-linux-gnueabi
+    $2="unknown"
+    ;;
   *)
     #pass thru by default
     $2="$1"