[CMake] LLVMProcessSources.cmake: Prune add_file_dependencies to ${TABLEGEN_OUTPUT}.

I am sure it'd not be required any more.
In trunk, all of tablegen's users depend on ${TABLEGEN_OUTPUT} as not file dependency but inter-target dependency.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@201063 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/cmake/modules/LLVMProcessSources.cmake b/cmake/modules/LLVMProcessSources.cmake
index 296ce925b0c94f646070c4dccf330f85c807f3a3..08b9c8e07da2bf98e826e5f8f0d8a6868742360e 100644 (file)
--- a/cmake/modules/LLVMProcessSources.cmake
+++ b/cmake/modules/LLVMProcessSources.cmake
@@ -42,14 +42,6 @@ function(llvm_process_sources OUT_VAR)
   cmake_parse_arguments(ARG "" "" "ADDITIONAL_HEADERS" ${ARGN})
   set(sources ${ARG_UNPARSED_ARGUMENTS})
   llvm_check_source_file_list( ${sources} )
-  # Create file dependencies on the tablegenned files, if any.  Seems
-  # that this is not strictly needed, as dependencies of the .cpp
-  # sources on the tablegenned .inc files are detected and handled,
-  # but just in case...
-  foreach( s ${sources} )
-    set( f ${CMAKE_CURRENT_SOURCE_DIR}/${s} )
-    add_file_dependencies( ${f} ${TABLEGEN_OUTPUT} )
-  endforeach(s)
   if( MSVC_IDE OR XCODE )
     # This adds .td and .h files to the Visual Studio solution:
     add_td_sources(sources)