tce-load -i compiletc

wget https://downloads.sourceforge.net/potrace/potrace-1.16.tar.gz

cd potrace-1.16

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" ./configure --prefix=/usr/local -disable-static --localstatedir=/var --enable-a4 --enable-metric --with-libpotrace

find . -name Makefile -type f -exec sed -i 's/-g -O2//g' {} \;

make [0m 16.08s]
sudo make install