diff --git a/compiler-rt/lib/builtins/CMakeLists.txt b/compiler-rt/lib/builtins/CMakeLists.txt
--- a/compiler-rt/lib/builtins/CMakeLists.txt
+++ b/compiler-rt/lib/builtins/CMakeLists.txt
@@ -572,6 +572,7 @@
   avr/mulqi3.S
   avr/mulhi3.S
   avr/exit.S
+  ${GENERIC_SOURCES}
 )
 
 # hexagon arch