diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index e9773897bc8..f31f648f9e8 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2015-07-14  Matthias Klose  <doko@ubuntu.com>
+
+	PR target/66840
+	* config/rs6000/t-rs6000 (TM_H): Add rs6000-cpus.def.
+
 2015-07-14  Richard Biener  <rguenther@suse.de>
 
 	PR tree-optimization/66863
diff --git a/gcc/config/rs6000/t-rs6000 b/gcc/config/rs6000/t-rs6000
index 796d7d8ab2e..1fe5a53ff8e 100644
--- a/gcc/config/rs6000/t-rs6000
+++ b/gcc/config/rs6000/t-rs6000
@@ -19,6 +19,7 @@
 # <http://www.gnu.org/licenses/>.
 
 TM_H += $(srcdir)/config/rs6000/rs6000-builtin.def
+TM_H += $(srcdir)/config/rs6000/rs6000-cpus.def
 
 rs6000-c.o: $(srcdir)/config/rs6000/rs6000-c.c
 	$(COMPILE) $<