tce-load -i compiletc 

wget https://github.com/dosfstools/dosfstools/releases/download/v4.2/dosfstools-4.2.tar.gz

cd dosfstools-4.2

CC="gcc -flto -march=armv8-a+crc -mtune=cortex-a72 -Os -pipe" CXX="g++ -flto -march=armv8-a+crc -mtune=cortex-a72 -Os -pipe -fno-exceptions -fno-rtti" ./configure --prefix=/usr/local --localstatedir=/var --disable-static --enable-compat-symlinks

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

make [0m 14.61s]
sudo make install