tce-load -i compiletc gtk3-dev gobject-introspection-dev gtk3-gir

wget https://download.gnome.org/sources/amtk/5.6/amtk-5.6.1.tar.xz

cd amtk-5.6.1

mkdir build-amtk
cd build-amtk

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 -Dgtk_doc=false

ninja [0m 9.05s]
sudo ninja install

amtk 5.6.1

    API version          : 5
    Prefix               : /usr/local
    GObject Introspection: True
    API documentation    : False

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