diff --git a/ChangeLog b/ChangeLog
index 26933775f..787522971 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2011-06-13  Walter Lee <walt@tilera.com>
+
+	* configure.ac (tilepro-*-*) New case.
+	(tilegx-*-*): Likewise.
+	* configure: Regenerate.
+
 2011-06-06  Nick Clifton  <nickc@redhat.com>
 
 	* config.sub: Sync from upstream.
diff --git a/configure b/configure
index 30d694599..9f7055d2e 100755
--- a/configure
+++ b/configure
@@ -3608,6 +3608,9 @@ case "${target}" in
   tic6x-*-*)
     noconfigdirs="$noconfigdirs gdb sim"
     ;;
+  tilepro-*-* | tilegx-*-*)
+    noconfigdirs="$noconfigdirs sim"
+    ;;
   v810-*-*)
     noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss"
     ;;
diff --git a/configure.ac b/configure.ac
index 39606948e..98705a1d1 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1054,6 +1054,9 @@ case "${target}" in
   tic6x-*-*)
     noconfigdirs="$noconfigdirs gdb sim"
     ;;
+  tilepro-*-* | tilegx-*-*)
+    noconfigdirs="$noconfigdirs sim"
+    ;;
   v810-*-*)
     noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss"
     ;;