tce-load -i compiletc meson spice-dev gtk3-dev vala-dev libcacard-dev gobject-introspection-dev usbredir-dev usb-utils gtk3-gir gst-plugins-base-gir vala-dev python3.6-six perl5

wget https://www.spice-space.org/download/gtk/spice-gtk-0.39.tar.xz

cd spice-gtk-0.39

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 --libexecdir=/usr/local/lib/spice-gtk --buildtype=plain -Dusb-ids-path=/usr/local/share/hwdata -Dgtk_doc=disabled

ninja [1m 9.69s]
sudo ninja install

spice-gtk 0.39

                             prefix: /usr/local
                               opus: YES
                                gtk: YES
                  wayland-protocols: YES
                             webdav: NO
                      builtin-mjpeg: YES
                           usbredir: YES
                          libcap-ng: YES
                             polkit: YES
                                pie: YES
                 usb-acl-helper-dir: /usr/local/lib/spice-gtk
                       usb-ids-path: /usr/local/share/hwdata
                          coroutine: ucontext
                      introspection: YES
                               vapi: YES
                                lz4: YES
                               sasl: YES
                          smartcard: YES
                           valgrind: NO
    libspice-client-glib.so version: 8.7.0
     libspice-client-gtk.so version: 5.0.0
                            gtk_doc: NO

  Subprojects
                       keycodemapdb: YES
                       spice-common: YES