Index: cmake/modules/AddLLDB.cmake
===================================================================
--- cmake/modules/AddLLDB.cmake
+++ cmake/modules/AddLLDB.cmake
@@ -175,9 +175,6 @@
 # added as an extra RPATH below.
 #
 function(lldb_setup_framework_rpaths_in_tool name)
-  # In the build-tree, we know the exact path to the binary in the framework.
-  set(rpath_build_tree "$<TARGET_FILE:liblldb>")
-
   # The installed framework is relocatable and can be in different locations.
   set(rpaths_install_tree "@loader_path/../../../SharedFrameworks")
   list(APPEND rpaths_install_tree "@loader_path/../../System/Library/PrivateFrameworks")
@@ -191,7 +188,7 @@
   # the default settings from llvm_setup_rpath().
   set_target_properties(${name} PROPERTIES
     BUILD_WITH_INSTALL_RPATH OFF
-    BUILD_RPATH "${rpath_build_tree}"
+    BUILD_RPATH $<TARGET_FILE_DIR:liblldb>
     INSTALL_RPATH "${rpaths_install_tree}"
   )