ros-noetic-rviz-plugin-tutorials.patch

diff --git a/rviz_plugin_tutorials/CMakeLists.txt b/rviz_plugin_tutorials/CMakeLists.txt
index 01ff2738..1b4b4079 100644
--- a/rviz_plugin_tutorials/CMakeLists.txt
+++ b/rviz_plugin_tutorials/CMakeLists.txt
@@ -10,6 +10,18 @@ catkin_package()
 include_directories(${catkin_INCLUDE_DIRS})
 link_directories(${catkin_LIBRARY_DIRS})
 
+if(${CMAKE_C_COMPILER_ID} STREQUAL "Clang" AND ${CMAKE_C_COMPILER_VERSION} VERSION_GREATER_EQUAL "11")
+  # newer Clang chokes on the idiomatic way to use CF_ENUM; e.g. like this:
+  #     typedef CF_ENUM(int, MyEnum) {
+  #       MY_ENUM_THING,
+  #       MY_ENUM_OTHER_THING,
+  #       # etc...
+  #     }
+  SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-elaborated-enum-base -Wno-undef-prefix")
+  SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-elaborated-enum-base -Wno-undef-prefix")
+  SET(CMAKE_ASM_FLAGS "${CMAKE_ASM_FLAGS} -Wno-undef-prefix")
+endif()
+
 ## This setting causes Qt's "MOC" generation to happen automatically.
 set(CMAKE_AUTOMOC ON)