diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index ce3d0868de0..887a03bc91d 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2010-02-10  Duncan Sands  <baldrick@free.fr>
+
+	* Makefile.in (PLUGIN_HEADERS): Add debug.h.
+
 2010-02-10  Richard Guenther  <rguenther@suse.de>
 
 	PR c/43007
diff --git a/gcc/Makefile.in b/gcc/Makefile.in
index 619d2519f2b..64ae92ad798 100644
--- a/gcc/Makefile.in
+++ b/gcc/Makefile.in
@@ -4272,7 +4272,7 @@ PLUGIN_HEADERS = $(TREE_H) $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) \
   $(tm_file_list) $(tm_include_list) $(tm_p_file_list) $(tm_p_include_list) \
   $(host_xm_file_list) $(host_xm_include_list) $(xm_include_list) \
   intl.h $(PLUGIN_VERSION_H) $(DIAGNOSTIC_H) $(C_COMMON_H) $(C_PRETTY_PRINT_H) \
-  tree-iterator.h $(PLUGIN_H) $(TREE_FLOW_H) langhooks.h incpath.h \
+  tree-iterator.h $(PLUGIN_H) $(TREE_FLOW_H) langhooks.h incpath.h debug.h \
   tree-ssa-sccvn.h real.h output.h $(IPA_UTILS_H) \
   $(C_PRAGMA_H)  $(CPPLIB_H)  $(FUNCTION_H) \
   cppdefault.h flags.h $(MD5_H) params.def params.h prefix.h tree-inline.h \