c++DBUG     =
# Intel processor optimization: -x<codes>
#    K  Intel Pentium III and compatible Intel processors
#    W  Intel Pentium 4 and compatible Intel processors
#    N  Intel Pentium 4 and compatible Intel processors.  Enables new
#       optimizations in addition to Intel processor-specific optimizations
#    P  Intel Pentium 4 processors with SSE3 extensions
#    B  Intel Pentium M and compatible Intel processors
c++OPT      = -O3 -xN -no-prec-div