tce-load -i compiletc xdg-desktop-portal gsettings-desktop-schemas-dev gnome-desktop-dev libadwaita-dev gnome-backgrounds

wget https://download.gnome.org/sources/xdg-desktop-portal-gnome/45/xdg-desktop-portal-gnome-45.1.tar.xz

cd xdg-desktop-portal-gnome-45.1

mkdir build
cd build

CC="gcc -flto -mtune=generic -Os -pipe" CXX="g++ -flto -mtune=generic -Os -pipe -fno-exceptions -fno-rtti" meson --prefix=/usr/local --localstatedir=/var --buildtype=plain --libexecdir=/usr/local/lib/xdg-desktop-portal -Dsystemduserunitdir=/tmp

ninja [0m 16.86s]
sudo ninja install

sudo rm -vf /tmp/*.service

xdg-desktop-portal-gnome 45.1

    prefix            : /usr/local
    datadir           : share
    libdir            : lib
    libexecdir        : lib/xdg-desktop-portal
    dbus_service_dir  : share/dbus-1/services
    systemduserunitdir: /tmp

  User defined options
    buildtype         : plain
    libexecdir        : /usr/local/lib/xdg-desktop-portal
    localstatedir     : /var
    prefix            : /usr/local
    systemduserunitdir: /tmp