tce-load -i compiletc yasm wxwidgets-dev fuse-dev

cd VeraCrypt/src

edit Makefile
export CC ?= gcc -flto -fuse-linker-plugin -mtune=generic -Os -pipe
export CXX ?= g++ -flto -fuse-linker-plugin -mtune=generic -Os -pipe

[-fno-exceptions fails]

make [NOGUI=1]
sudo make install