message: some nan checks require overriding fast math
diff: @@ -107,7 +107,7 @@ LDFLAGS += '-Wl,--undefined=uxTopUsedPriority'
  -- common flags for ASM, C and C++
  OPT += '-Og'
  -OPT += '-ffast-math'
  +OPT += '-ffast-math -fno-finite-math-only'
  tup.append_table(FLAGS, OPT)
  tup.append_table(LDFLAGS, OPT)
  