CMake: Fixed cross-compiling.

`clean' makefile target removes add-hoc directory created for building
the native tablegen.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59005 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/cmake/modules/CrossCompileLLVM.cmake b/cmake/modules/CrossCompileLLVM.cmake
index 1c00f39..f638d67 100644
--- a/cmake/modules/CrossCompileLLVM.cmake
+++ b/cmake/modules/CrossCompileLLVM.cmake
@@ -1,8 +1,8 @@
 

 if( ${LLVM_TABLEGEN} STREQUAL "tblgen" )

+  set(CX_NATIVE_TG_DIR "${CMAKE_BINARY_DIR}/native")

   set(LLVM_TABLEGEN "${CX_NATIVE_TG_DIR}/bin/tblgen")

 

-  message(STATUS "CX_NATIVE_TG_DIR : ${CX_NATIVE_TG_DIR}")

   add_custom_command(OUTPUT ${CX_NATIVE_TG_DIR}

     COMMAND ${CMAKE_COMMAND} -E make_directory ${CX_NATIVE_TG_DIR}

     COMMENT "Creating ${CX_NATIVE_TG_DIR}...")

@@ -22,10 +22,5 @@
 

   add_dependencies(tblgen NativeTableGen)

 

-  # TODO: We should clean the native build when the `clean target

-  # is invoked. This doesn't work.

-  # add_custom_command(TARGET clean

-  #   COMMAND ${CMAKE_BUILD_TOOL} -C ${CX_NATIVE_TG_DIR}/utils/TableGen clean

-  #   POST_BUILD

-  #   COMMENT "Cleaning native TableGen...")

+  set_directory_properties(PROPERTIES ADDITIONAL_MAKE_CLEAN_FILES ${CX_NATIVE_TG_DIR})

 endif()