compiled on RPI3B with 5.4.51-piCore-v8 (beta release)

Compile Flags:
CC="gcc -march=armv8-a+crc -mtune=cortex-a72 -Os -pipe"
CXX="g++ -march=armv8-a+crc -mtune=cortex-a72 -Os -pipe -fno-exceptions -fno-rtti"
LDFLAGS="-Wl,-O1"
export CC CXX LDFLAGS

Dependencies:
compiletc

Commands:

./configure --prefix=/usr/local