tce-load -i compiletc

wget https://github.com/cjlin1/liblinear/archive/refs/tags/v243.tar.gz

cd liblinear-243

edit Makefile

CFLAGS = -march=armv6zk -mtune=arm1176jzf-s -mfpu=vfp -Os -pipe -Wall -Wconversion -fPIC

make lib

sudo install -m644 linear.h /usr/local/include
sudo install -m755 liblinear.so.4 /usr/local/lib
sudo ln -sf liblinear.so.4 /usr/local/lib/liblinear.so