Move library stuff out of the toplevel CMakeLists.txt file.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125968 91177308-0d34-0410-b5e6-96231b3b80d8

cmake/modules/AddLLVM.cmake

@@ -4,8 +4,8 @@ include(LLVMConfig)
 macro(add_llvm_library name)
   llvm_process_sources( ALL_FILES ${ARGN} )
   add_library( ${name} ${ALL_FILES} )
-  set( llvm_libs ${llvm_libs} ${name} PARENT_SCOPE)
-  set( llvm_lib_targets ${llvm_lib_targets} ${name} PARENT_SCOPE )
+  set_property( GLOBAL APPEND PROPERTY LLVM_LIBS ${name} )
+  set_property( GLOBAL APPEND PROPERTY LLVM_LIB_TARGETS ${name} )
   if( LLVM_COMMON_DEPENDS )
     add_dependencies( ${name} ${LLVM_COMMON_DEPENDS} )
   endif( LLVM_COMMON_DEPENDS )

cmake/modules/CMakeLists.txt

@@ -1,5 +1,8 @@
 set(llvm_cmake_builddir "${LLVM_BINARY_DIR}/share/llvm/cmake")
 
+get_property(llvm_libs GLOBAL PROPERTY LLVM_LIBS)
+get_property(llvm_lib_targets GLOBAL PROPERTY LLVM_LIB_TARGETS)
+
 configure_file(
   LLVM.cmake
   ${llvm_cmake_builddir}/LLVM.cmake

cmake/modules/LLVMConfig.cmake

@@ -59,6 +59,7 @@ endfunction(llvm_map_components_to_libraries)
 
 function(explicit_map_components_to_libraries out_libs)
   set( link_components ${ARGN} )
+  get_property(llvm_libs GLOBAL PROPERTY LLVM_LIBS)
   string(TOUPPER "${llvm_libs}" capitalized_libs)
   # Translate symbolic component names to real libraries:
   foreach(c ${link_components})