tce-load -i compiletc meson perl5 intltool gtk3-dev pulseaudio-dev libgcrypt-dev vala-dev gobject-introspection-dev cyrus-sasl-dev gtk3-gir

wget http://ftp.acc.umu.se/pub/GNOME/sources/gtk-vnc/1.3/gtk-vnc-1.3.1.tar.xz

cd gtk-vnc-1.3.1

mkdir build
cd build

CC="gcc -flto -mtune=generic -Os -pipe" CXX="g++ -flto -mtune=generic -Os -fno-exceptions -fno-rtti" meson --prefix=/usr/local --localstatedir=/var --buildtype=plain

ninja [0m 11.65s]
sudo ninja install

gtk-vnc 1.3.1

  Subprojects
    keycodemapdb : YES

  User defined options
    buildtype    : plain
    localstatedir: /var
    prefix       : /usr/local