tce-load -i compiletc meson vala-dev gnome-desktop-dev libgweather4-dev geoclue-dev libadwaita-dev appstream-glib desktop-file-utils itstool

wget https://download.gnome.org/sources/gnome-clocks/45/gnome-clocks-45.0.tar.xz

cd gnome-clocks-45.0

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

ninja [0m 15.33s]
sudo ninja install

gnome-clocks 45.0

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