tce-load -i compiletc opencl-headers

wget https://github.com/Oblomov/clinfo/archive/refs/tags/3.0.25.02.14.tar.gz

cd clinfo-3.0.25.02.14

edit Makefile
CFLAGS ?= -pedantic -Werror

make CC="gcc -flto -march=armv8-a+crc -mtune=cortex-a53 -Os -pipe" CXX="g++ -flto -march=armv8-a+crc -mtune=cortex-a53 -Os -pipe -fno-exceptions -fno-rtti" [0m 5.25s]

sudo make CC="gcc -flto -march=armv8-a+crc -mtune=cortex-a53 -Os -pipe" CXX="g++ -flto -march=armv8-a+crc -mtune=cortex-a53 -Os -pipe -fno-exceptions -fno-rtti" install