[CMake] Add a comment to tablegen's copy_if_different. Ninja reports every action...

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199058 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/cmake/modules/TableGen.cmake b/cmake/modules/TableGen.cmake
index 8c1f18c..93f8f8c 100644 (file)
--- a/cmake/modules/TableGen.cmake
+++ b/cmake/modules/TableGen.cmake
@@ -33,7 +33,7 @@ macro(tablegen project ofn)
         ${CMAKE_CURRENT_BINARY_DIR}/${ofn}.tmp
         ${CMAKE_CURRENT_BINARY_DIR}/${ofn}
     DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${ofn}.tmp
-    COMMENT ""
+    COMMENT "Updating ${ofn}..."
     )
 
   # `make clean' must remove all those generated files: