message: Disable C4819 warnings for building on Windows using Visual Studio
diff: @@ -546,6 +546,9 @@ target_link_libraries(mfem PUBLIC ${TPL_LIBRARIES})
  if (MINGW)
  target_link_libraries(mfem PRIVATE ws2_32)
  endif()
  +if (MSVC)
  + target_compile_options(mfem PUBLIC "/wd4819")
  +endif()
  set_target_properties(mfem PROPERTIES VERSION "${mfem_VERSION}")
  set_target_properties(mfem PROPERTIES SOVERSION "${mfem_VERSION}")
  