tce-load -i compiletc gnutls35-dev avahi-dev xdg-utils

https://github.com/apple/cups/releases/download/v2.3.1/cups-2.3.1-source.tar.gz

cd cups-2.3.1

sed -i '/stat.h/a #include <asm-generic/ioctls.h>' tools/ipptool.c

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 --sysconfdir=/usr/local/etc --localstatedir=/var --disable-static --with-cups-user=tc --with-cups-group=staff --disable-systemd --disable-acl

[printcap location - default /etc/printcap]

edit Makedefs
remove "-g"

make [1m 5.62s]
sudo make install

[cups-driverd] Unable to open driver directory "/usr/local/lib/cups/driver": No such file or directory