gistfile1.txt

// g++ minimal.cpp -o minimal `pkg-config --cflags --libs gtk+-3.0`
#include <gtk/gtk.h>
int main(int argc, char *argv[])
{
    gtk_init(&argc, &argv);
    GtkWidget * window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
    g_signal_connect(window, "destroy", G_CALLBACK(gtk_main_quit), NULL);
    gtk_widget_show(window);
    gtk_main();
    return 0;
}