tce-load -i compiletc automake libtool-dev intltool openssl-dev gettext-dev

https://github.com/msekletar/sbsigntool

cd sbsigntool

./autogen.sh

CC="gcc -flto -fuse-linker-plugin -mtune=generic -Os -pipe" CXX="g++ -flto -fuse-linker-plugin -mtune=generic -Os -pipe -fno-exceptions -fno-rtti" ./configure --prefix=/usr/local --localstatedir=/var

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

make
sudo make install