message: cmake: silences CMP0074 warning in adios2-config generation
diff: @@ -2,6 +2,10 @@ cmake_minimum_required(VERSION 3.0)
  project(adios2-config-dummy C CXX)
  +if(POLICY CMP0074)
  + cmake_policy(SET CMP0074 NEW)
  +endif()
  +
  find_package(adios2 REQUIRED)
  add_executable(without_C foo.c main.c)
  