message: Add NDEBUG to default make build.
diff: @@ -86,8 +86,8 @@ else ifeq ($(BUILD_TYPE), release)
  CXXFLAGS += -DNDEBUG -O3 -DTF_LITE_STRIP_ERROR_STRINGS
  CCFLAGS += -DNDEBUG -O3 -DTF_LITE_STRIP_ERROR_STRINGS
  else
  - CXXFLAGS += -O3
  - CCFLAGS += -O3
  + CXXFLAGS += -DNDEBUG -O3
  + CCFLAGS += -DNDEBUG -O3
  endif
  # This library is the main target for this makefile. It will contain a minimal
  