diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index e189251071c..389eb46a69f 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2005-12-09  Aldy Hernandez  <aldyh@redhat.com>
+
+        * config/ms1/t-ms1 (MULTILIB_OPTIONS): Define.
+        (MULTILIB_DIRNAMES): Define.
+
 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
 
 	PR target/25311
diff --git a/gcc/config/ms1/t-ms1 b/gcc/config/ms1/t-ms1
index d9aa314ba46..3093fc445db 100644
--- a/gcc/config/ms1/t-ms1
+++ b/gcc/config/ms1/t-ms1
@@ -59,8 +59,8 @@ crtn.o: $(srcdir)/config/ms1/crtn.asm $(GCC_PASSES)
 # See gcc/genmultilib, gcc/gcc.texi and gcc/tm.texi for a
 # description of the options and their values.
 #
-# MULTILIB_OPTIONS    = 
-# MULTILIB_DIRNAMES   = 
+MULTILIB_OPTIONS    = march=ms1-64-001/march=ms1-16-002/march=ms1-16-003
+MULTILIB_DIRNAMES   = 64-001 16-002 16-003
 # MULTILIB_MATCHES    =
 # MULTILIB_EXCEPTIONS =
 # MULTILIB_EXTRA_OPTS =