tce-load -i compiletc spice-dev gtk3-dev vala-dev libcacard-dev gobject-introspection-dev usbredir-dev usb-utils gtk3-gir pulseaudio-dev gst-plugins-base-gir

https://www.spice-space.org/download/gtk/spice-gtk-0.37.tar.bz2

cd spice-gtk-0.37

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 --disable-static --localstatedir=/var --enable-vala --with-sasl=yes --enable-celt051

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

make [2m 6.01s]
sudo make install

        Spice-Gtk 0.37
        ==============

        prefix:                   /usr/local
        c compiler:               gcc -flto -fuse-linker-plugin -mtune=generic -Os -pipe
        Target:                   Unix

        Gtk:                      3.0
        Coroutine:                ucontext
        PulseAudio:               yes
        SASL support:             yes
        Smartcard support:        yes
        USB redirection support:  yes 
        WebDAV support:           no
        LZ4 support:              yes

        Now type 'make' to build spice-gtk


configure: WARNING: PulseAudio backend is deprecated and will be removed in a future release