diff -Naur llvm-3.4-orig/cmake/modules/TableGen.cmake llvm-3.4/cmake/modules/TableGen.cmake
--- llvm-3.4-orig/cmake/modules/TableGen.cmake	2013-10-06 21:00:07.000000000 -0400
+++ llvm-3.4/cmake/modules/TableGen.cmake	2014-01-20 13:06:55.273022149 -0500
@@ -78,8 +78,6 @@
 endif()
 
 macro(add_tablegen target project)
-  set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${LLVM_TOOLS_BINARY_DIR})
-
   set(${target}_OLD_LLVM_LINK_COMPONENTS ${LLVM_LINK_COMPONENTS})
   set(LLVM_LINK_COMPONENTS ${LLVM_LINK_COMPONENTS} TableGen)
   add_llvm_utility(${target} ${ARGN})