c++DBUG     =
#c++OPT     = -O3 -floop-optimize -falign-loops -falign-labels -falign-functions -falign-jumps -fprefetch-loop-arrays -mfpu=vfpv3-d16 -mfloat-abi=hard
c++OPT      = -O3 -floop-optimize -falign-loops -falign-labels -falign-functions -falign-jumps -fprefetch-loop-arrays -mfpu=vfpv3-d16 -mfloat-abi=softfp

ROUNDING_MATH = -frounding-math