--export CFLAGS="-O2 -march=i686 -pipe"
--export CXXFLAGS="-O2 -march=i686 -pipe"
-+export CFLAGS="-O2 -pipe -mfloat-abi=hard" # -march=armv4t, -march=arm5vte, etc.
-+export CXXFLAGS="$CFLAGS"
-+export MAKEFLAGS="" # -j2, -j3, -j4, -j5, etc.
+-export CFLAGS="-O2 -march=x86-64 -pipe"
++export CFLAGS="-O2 -pipe -mfloat-abi=hard"
+ export CXXFLAGS="${CFLAGS}"
++export MAKEFLAGS=""