Index: compiler-rt/cmake/Modules/CompilerRTUtils.cmake
===================================================================
--- compiler-rt/cmake/Modules/CompilerRTUtils.cmake
+++ compiler-rt/cmake/Modules/CompilerRTUtils.cmake
@@ -128,7 +128,14 @@
     if(NOT HAS_${arch}_DEF)
       set(CAN_TARGET_${arch} FALSE)
     elseif(TEST_COMPILE_ONLY)
-      try_compile_only(CAN_TARGET_${arch} FLAGS ${TARGET_${arch}_CFLAGS})
+      foreach(f limits.h sys/limits.h machine/limits.h)
+        try_compile_only(CAN_TARGET_${arch}
+                         SOURCE "#include <${f}>\nint foo(int x, int y) { return x + y; }\n"
+                         FLAGS ${TARGET_${arch}_CFLAGS})
+        if(CAN_TARGET_${arch})
+          break()
+        endif()
+      endforeach()
     else()
       set(FLAG_NO_EXCEPTIONS "")
       if(COMPILER_RT_HAS_FNO_EXCEPTIONS_FLAG)