Index: llvm/runtimes/CMakeLists.txt
===================================================================
--- llvm/runtimes/CMakeLists.txt
+++ llvm/runtimes/CMakeLists.txt
@@ -90,9 +90,15 @@
   set(LLVM_RUNTIME_OUTPUT_INTDIR ${LLVM_TOOLS_BINARY_DIR})
 
   # This variable makes sure that e.g. llvm-lit is found.
+  set(LLVM_BINARY_DIR ${LLVM_BUILD_BINARY_DIR})
+  set(LLVM_LIBRARY_DIR ${LLVM_BUILD_LIBRARY_DIR})
+  set(LLVM_INCLUDE_DIR ${LLVM_BUILD_MAIN_INCLUDE_DIR})
   set(LLVM_MAIN_SRC_DIR ${LLVM_BUILD_MAIN_SRC_DIR})
   set(LLVM_CMAKE_PATH ${LLVM_MAIN_SRC_DIR}/cmake/modules)
 
+  # This variable is used by individual runtimes to locate LLVM files.
+  set(LLVM_PATH ${LLVM_BUILD_MAIN_SRC_DIR})
+
   if(APPLE)
     set(LLVM_ENABLE_LIBCXX ON CACHE BOOL "")
   endif()
@@ -375,8 +381,6 @@
                              # Builtins were built separately above
                              CMAKE_ARGS -DCOMPILER_RT_BUILD_BUILTINS=Off
                                         -DLLVM_INCLUDE_TESTS=${LLVM_INCLUDE_TESTS}
-                                        -DLLVM_BINARY_DIR=${LLVM_BINARY_DIR}
-                                        -DLLVM_LIBRARY_DIR=${LLVM_LIBRARY_DIR}
                                         -DLLVM_DEFAULT_TARGET_TRIPLE=${TARGET_TRIPLE}
                                         -DLLVM_ENABLE_PER_TARGET_RUNTIME_DIR=ON
                                         -DCMAKE_C_COMPILER_TARGET=${TARGET_TRIPLE}
@@ -466,8 +470,6 @@
                              # Builtins were built separately above
                              CMAKE_ARGS -DCOMPILER_RT_BUILD_BUILTINS=Off
                                         -DLLVM_INCLUDE_TESTS=${LLVM_INCLUDE_TESTS}
-                                        -DLLVM_BINARY_DIR=${LLVM_BINARY_DIR}
-                                        -DLLVM_LIBRARY_DIR=${LLVM_LIBRARY_DIR}
                                         -DLLVM_DEFAULT_TARGET_TRIPLE=${target}
                                         -DLLVM_ENABLE_PER_TARGET_RUNTIME_DIR=ON
                                         -DCMAKE_C_COMPILER_TARGET=${target}