diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index cbe3acac3637..25666a19ca5a 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2010-07-05  Joern Rennecke  <joern.rennecke@embecosm.com>
+
+	PR bootstrap/44512
+	* genenums.c (main): Output include of insn-constants.h
+	* Makefile.in (insn-enums.o): Depend on insn-constants.h.
+
 2010-07-05  Uros Bizjak  <ubizjak@gmail.com>
 
 	* config/i386/i386.c (ix86_gen_allocate_stack_worker): New.
diff --git a/gcc/Makefile.in b/gcc/Makefile.in
index 299062bcae7d..54c8f2ae2172 100644
--- a/gcc/Makefile.in
+++ b/gcc/Makefile.in
@@ -3542,7 +3542,7 @@ insn-emit.o : insn-emit.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H)	\
   dfp.h $(FLAGS_H) output.h insn-config.h hard-reg-set.h $(RECOG_H)	\
   $(RESOURCE_H) reload.h $(TOPLEV_H) $(REGS_H) tm-constrs.h $(GGC_H)	\
   $(BASIC_BLOCK_H) $(INTEGRATE_H)
-insn-enums.o : insn-enums.c $(CONFIG_H) $(SYSTEM_H)
+insn-enums.o : insn-enums.c $(CONFIG_H) $(SYSTEM_H) insn-constants.h
 insn-extract.o : insn-extract.c $(CONFIG_H) $(SYSTEM_H) coretypes.h	\
   $(TM_H) $(RTL_H) $(TOPLEV_H) insn-config.h $(RECOG_H)
 insn-modes.o : insn-modes.c $(CONFIG_H) $(SYSTEM_H) coretypes.h	$(TM_H) \
diff --git a/gcc/genenums.c b/gcc/genenums.c
index 8cb48360f62e..f5c18f99206d 100644
--- a/gcc/genenums.c
+++ b/gcc/genenums.c
@@ -56,6 +56,7 @@ main (int argc, char **argv)
   puts ("   from the machine description file.  */\n");
   puts ("#include \"config.h\"\n");
   puts ("#include \"system.h\"\n");
+  puts ("#include \"insn-constants.h\"\n");
 
   traverse_enum_types (print_enum_type, 0);