message: Disable performance warnings for ISPC to reduce clutter
diff: @@ -99,7 +99,9 @@ endmacro ()
  macro (ispc_compile)
  set(ISPC_ADDITIONAL_ARGS "")
  - if (NOT OSPRAY_STRICT_BUILD)
  + if (OSPRAY_STRICT_BUILD)
  + list(APPEND ISPC_ADDITIONAL_ARGS --wno-perf)
  + else()
  list(APPEND ISPC_ADDITIONAL_ARGS --woff)
  endif()
  