Index: compiler-rt/trunk/lib/builtins/CMakeLists.txt
===================================================================
--- compiler-rt/trunk/lib/builtins/CMakeLists.txt
+++ compiler-rt/trunk/lib/builtins/CMakeLists.txt
@@ -232,8 +232,6 @@
 
 if (NOT MSVC)
   set(x86_64_SOURCES
-      x86_64/chkstk.S
-      x86_64/chkstk2.S
       x86_64/floatdidf.c
       x86_64/floatdisf.c
       x86_64/floatdixf.c
@@ -253,8 +251,6 @@
   set(i386_SOURCES
       i386/ashldi3.S
       i386/ashrdi3.S
-      i386/chkstk.S
-      i386/chkstk2.S
       i386/divdi3.S
       i386/floatdidf.S
       i386/floatdisf.S