diff --git a/libgcc/config/rs6000/t-darwin-ehs b/libgcc/config/rs6000/t-darwin-ehs
index 42f521411af7..581344e862a0 100644
--- a/libgcc/config/rs6000/t-darwin-ehs
+++ b/libgcc/config/rs6000/t-darwin-ehs
@@ -1,3 +1,3 @@
-# We need the save_world code for the EH library.
+# We need the save_world and anu unwind fallback code for the EH library.
 
-LIBEHSOBJS += darwin-world_s.o
+LIBEHSOBJS += darwin-world_s.o darwin-fallback.o
diff --git a/libgcc/config/t-darwin-ehs b/libgcc/config/t-darwin-ehs
index 95275023dac4..df46f8a65297 100644
--- a/libgcc/config/t-darwin-ehs
+++ b/libgcc/config/t-darwin-ehs
@@ -3,5 +3,5 @@
 
 LIBEHSOBJS = unwind-dw2_s.o unwind-dw2-fde-darwin_s.o unwind-c_s.o
 
-unwind-dw2_s.o: gthr-default.h md-unwind-support.h
+unwind-dw2_s.o: gthr-default.h md-unwind-support.h unwind.h
 $(LIBEHSOBJS): libgcc_tm.h