[ "$(uname -m)" = "x86_64" ] && echo "ARCH_X86_64=1" && echo "CFLAGS+=-DARCH_X86_64"
[ "$optimisations" = "true" ] &&
echo "OPTIMISATIONS+=-ffast-math"
[ "$(uname -m)" = "x86_64" ] && echo "ARCH_X86_64=1" && echo "CFLAGS+=-DARCH_X86_64"
[ "$optimisations" = "true" ] &&
echo "OPTIMISATIONS+=-ffast-math"