tce-load -i compiletc meson glib2-dev pango-dev gdk-pixbuf2-dev at-spi2-atk-dev libxkbcommon-dev gobject-introspection-dev json-glib-dev cups-dev adwaita-icon-theme iso-codes atk-gir at-spi2-core-gir gdk-pixbuf2-gir pango-gir

wget http://ftp.gnome.org/pub/gnome/sources/gtk+/3.24/gtk+-3.24.26.tar.xz

cd gtk+-3.24.26

mkdir build-gtk3
cd build-gtk3

CC="gcc -flto -march=i486 -mtune=i686 -Os -pipe" CXX="g++ -flto -march=i486 -mtune=i686 -Os -pipe -fno-exceptions -fno-rtti" meson --prefix=/usr/local --localstatedir=/var --buildtype=plain -Dbroadway_backend=true -Dwayland_backend=false

ninja [5m 42.15s]
sudo ninja install

GTK+ 3.24.26 (3.0)

  Display backends: broadway x11 [disabled: quartz wayland win32]
    Print backends: file lpr cups [disabled: cloudprint papi test]
     Cloud support: false
    Colord support: auto
          Profiler: false
     Introspection: true
     Documentation: false
         Man pages: false
       Build tests: true
   Installed tests: false
             Demos: true
          Examples: true
Directories:
            prefix: /usr/local
        includedir: /usr/local/include
            libdir: /usr/local/lib
           datadir: /usr/local/share