tce-load -i compiletc mesa-dev

wget https://downloads.sourceforge.net/glew/glew-2.3.1.tgz

cd glew-2.3.1

sed -i 's%lib64%lib%g' config/Makefile.linux
sed -e '/glew.lib.static:/d' -e '/0644 .*STATIC/d' -e 's/glew.lib.static//' -e 's|/local||' -i Makefile

edit Makefile
GLEW_PREFIX ?= /usr/local
GLEW_DEST ?= /usr/local

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

make 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" [0m 27.34s]

sudo make 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" install