Index: cmake/modules/LLDBConfig.cmake
===================================================================
--- cmake/modules/LLDBConfig.cmake
+++ cmake/modules/LLDBConfig.cmake
@@ -37,7 +37,7 @@
   if(UNIX)
     # This is necessary for crosscompile on Ubuntu 14.04 64bit. Need a proper fix.
     if(CMAKE_SIZEOF_VOID_P EQUAL 8)
-      set(CMAKE_LIBRARY_ARCHITECTURE "x86_64-linux-gnu")
+      set(CMAKE_LIBRARY_ARCHITECTURE "${CMAKE_HOST_SYSTEM_PROCESSOR}-linux-gnu")
     endif()
   endif()