tce-load -i compiletc libusb-dev

wget https://www.draisberghof.de/usb_modeswitch/usb-modeswitch-2.6.0.tar.bz2
wget https://www.draisberghof.de/usb_modeswitch/usb-modeswitch-data-20191128.tar.bz2

cd usb-modeswitch-2.6.0

edit Makefile
PREFIX      = $(DESTDIR)/usr/local

make CC="gcc -flto -march=i486 -mtune=i686 -Os -pipe" CXX="g++ -flto -march=i486 -mtune=i686 -Os -pipe -fno-exceptions -fno-rtti" [0m 1.74s]

sudo make install

cd usb-modeswitch-data-20191128

edit Makefile
PREFIX      = $(DESTDIR)/usr/local

sudo make install