Update mesa to version 20.0.8 (bug #58689). * src/mesa.mk: Update version and checksum. Add build-meson to dependecies. Update build rule to use meson and ninja as the build tools. * src/mesa-1-meson.patch: Add new patch. * src/mesa-1-fixes.patch: Remove old patch for the scons rule that is no longer needed. * dist-files.mk: Update file list. * src/build-mako.mk: Depend on and use python3. * src/build-markupsafe.mk: Depend on and use python3.

/*
 * This file is part of MXE.
 * See index.html for further information.
 */

#include <gtkmm/window.h>
#include <gtkmm/main.h>

int main(int argc, char *argv[])
{
    Gtk::Main g(argc, argv);

    Gtk::Window window;
    window.set_title("Test App MXE");
    window.set_default_size(200, 200);
    window.show_all();
    g.run(window);
    return 0;
}