Make my attempt to build up global deps variables actually utilize
globally scoped constructs. Also, round-trip these dependencies through
the LLVMConfig.cmake.in file thata is used by CMake-based clients of
"installed" (or built) LLVM trees.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136543 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/cmake/modules/LLVM-Config.cmake b/cmake/modules/LLVM-Config.cmake
index d6b3124..b5f262a 100755
--- a/cmake/modules/LLVM-Config.cmake
+++ b/cmake/modules/LLVM-Config.cmake
@@ -135,14 +135,14 @@
       string(TOUPPER "${c}" capitalized)
       list(FIND capitalized_libs LLVM${capitalized} lib_idx)
       if( lib_idx LESS 0 )
-	# The component is unknown. Maybe is an omitted target?
-	is_llvm_target_library(${c} iltl_result)
-	if( NOT iltl_result )
-	  message(FATAL_ERROR "Library `${c}' not found in list of llvm libraries.")
-	endif()
+        # The component is unknown. Maybe is an omitted target?
+        is_llvm_target_library(${c} iltl_result)
+        if( NOT iltl_result )
+          message(FATAL_ERROR "Library `${c}' not found in list of llvm libraries.")
+        endif()
       else( lib_idx LESS 0 )
-	list(GET llvm_libs ${lib_idx} canonical_lib)
-	list(APPEND expanded_components ${canonical_lib})
+        list(GET llvm_libs ${lib_idx} canonical_lib)
+        list(APPEND expanded_components ${canonical_lib})
       endif( lib_idx LESS 0 )
     endif( NOT idx LESS 0 )
   endforeach(c)
@@ -152,7 +152,8 @@
   set(processed)
   while( cursor LESS lst_size )
     list(GET expanded_components ${cursor} lib)
-    list(APPEND expanded_components ${LLVM_LIB_DEPS_${lib}})
+    get_property(lib_deps GLOBAL PROPERTY LLVM_LIB_DEPS_${lib})
+    list(APPEND expanded_components ${lib_deps})
     # Remove duplicates at the front:
     list(REVERSE expanded_components)
     list(REMOVE_DUPLICATES expanded_components)