gdk_pixbuf_new_from_inline to Gresource conversion

[Charles Curley <charlescurley charlescurley com>]

I have an application developed on Linux using Gnome, specifically GTK+
2 version 2.24.25-3+deb8u2. It has been compiling and running for seven
years. This on debian 8.

I would like to port it to debian 9, stretch. Which has GTK+ 2 version
2.24.31.

On debian 9, I get the following error:

--------------------------------------------------
make[1]: Entering directory '/home/charles/gnome-gps/src'
gcc -O2 -o gnome-gps.do -ggdb -Wall -c gnome-gps.c `pkg-config --cflags --libs gtk+-2.0 libgps`
gnome-gps.c:26:2: warning: #warning Setting up for version 6.1 [-Wcpp]
 #warning Setting up for version 6.1
  ^~~~~~~
gnome-gps.c: In function ‘main’:
gnome-gps.c:1375:30: warning: ‘gdk_pixbuf_new_from_inline’ is deprecated [-Wdeprecated-declarations]
                              gdk_pixbuf_new_from_inline ( -1, my_pixbuf,
                              ^~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/gdk-pixbuf-2.0/gdk-pixbuf/gdk-pixbuf.h:34:0,
                 from /usr/include/gtk-2.0/gdk/gdkpixbuf.h:37,
                 from /usr/include/gtk-2.0/gdk/gdkcairo.h:28,
                 from /usr/include/gtk-2.0/gdk/gdk.h:33,
                 from /usr/include/gtk-2.0/gtk/gtk.h:32,
                 from gnome-gps.c:40:
/usr/include/gdk-pixbuf-2.0/gdk-pixbuf/gdk-pixbuf-core.h:355:12: note: declared here
 GdkPixbuf* gdk_pixbuf_new_from_inline (gint          data_length,
            ^~~~~~~~~~~~~~~~~~~~~~~~~~
gcc -O2 -o icon.image.do -ggdb -Wall -c icon.image.c `pkg-config --cflags --libs gtk+-2.0 libgps`
gcc -Wall gnome-gps.do icon.image.do -o gnome-gps `pkg-config --cflags --libs gtk+-2.0 libgps`
make[1]: Leaving directory '/home/charles/gnome-gps/src'
--------------------------------------------------

The offending line is:

--------------------------------------------------

        /* Set our icon. */
        gtk_window_set_icon ((GtkWindow *)window,
                             gdk_pixbuf_new_from_inline ( -1, my_pixbuf,
                                                          false, NULL));

--------------------------------------------------

The first warning is deliberate, and not at issue here.

The second one is new on debian 9. I have several options. The
documentation for gdk_pixbuf_new_from_inline () indicates that it is
deprecated and one should use a Gresource.

Question: how do I use a Gresource here?


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