Disable add_mlir_aggregate() debug file generation.

* Leaves it as a commented out area with a note on how to debug.

Author: stellaraccident

mlir/cmake/modules/AddMLIR.cmake

@@ -339,18 +339,21 @@ function(add_mlir_aggregate name)
   if(MSVC)
     set_property(TARGET ${name} PROPERTY WINDOWS_EXPORT_ALL_SYMBOLS ON)
   endif()
-  string(APPEND _debugmsg
-    ": MAIN LIBRARY:\n"
-    "    OBJECTS = ${_objects}\n"
-    "    SOURCES = $<TARGET_GENEX_EVAL:${name},$<TARGET_PROPERTY:${name},SOURCES>>\n"
-    "    DEPS = ${_deps}\n"
-    "    LINK_LIBRARIES = $<TARGET_GENEX_EVAL:${name},$<TARGET_PROPERTY:${name},LINK_LIBRARIES>>\n"
-    "    MLIR_AGGREGATE_EXCLUDE_LIBS = $<TARGET_GENEX_EVAL:${name},$<TARGET_PROPERTY:${name},MLIR_AGGREGATE_EXCLUDE_LIBS>>\n"
-  )
-  file(GENERATE OUTPUT
-    "${CMAKE_CURRENT_BINARY_DIR}/${name}.aggregate_debug.txt"
-    CONTENT "${_debugmsg}"
-  )
+
+  # Debugging generator expressions can be hard. Uncomment the below to emit
+  # files next to the library with a lot of debug information:
+  # string(APPEND _debugmsg
+  #   ": MAIN LIBRARY:\n"
+  #   "    OBJECTS = ${_objects}\n"
+  #   "    SOURCES = $<TARGET_GENEX_EVAL:${name},$<TARGET_PROPERTY:${name},SOURCES>>\n"
+  #   "    DEPS = ${_deps}\n"
+  #   "    LINK_LIBRARIES = $<TARGET_GENEX_EVAL:${name},$<TARGET_PROPERTY:${name},LINK_LIBRARIES>>\n"
+  #   "    MLIR_AGGREGATE_EXCLUDE_LIBS = $<TARGET_GENEX_EVAL:${name},$<TARGET_PROPERTY:${name},MLIR_AGGREGATE_EXCLUDE_LIBS>>\n"
+  # )
+  # file(GENERATE OUTPUT
+  #   "${CMAKE_CURRENT_BINARY_DIR}/${name}.aggregate_debug.txt"
+  #   CONTENT "${_debugmsg}"
+  # )
 endfunction(add_mlir_aggregate)
 
 # Adds an MLIR library target for installation.