message: Explicitly detail use of NDEBUG to remove assert() from production code
diff: @@ -9,6 +9,8 @@ INSTALL_PATH ?= $(CURDIR)
  # Uncomment exactly one of the lines labelled (A), (B), and (C) below
  # to switch between compilation modes.
  # NOTE: targets "debug" and "prof" provide same functionality
  +# NOTE 2: -DNDEBUG disables assert() statements within C code,
  +# i.e. no assert()s in production code
  OPT ?= -O2 -g -DNDEBUG # (A) Production use (optimized mode)
  # OPT ?= -g2 # (B) Debug mode, w/ full line-level debugging symbols
  