Added icons

configure.ac

@@ -59,6 +59,7 @@ AC_CONFIG_FILES([
     src/Makefile
     po/Makefile.in
     data/geonames/Makefile
+    data/icons/Makefile
     docs/reference/astrognome/Makefile
 ])
 AC_OUTPUT

data/icons/Makefile.am

@@ -0,0 +1,40 @@
+icons16dir = $(datadir)/icons/hicolor/16x16/apps
+icon16_DATA = 16x16/astrognome.png
+
+icons22dir = $(datadir)/icons/hicolor/22x22/apps
+icon22_DATA = 22x22/astrognome.png
+
+icons24dir = $(datadir)/icons/hicolor/24x24/apps
+icon24_DATA = 24x24/astrognome.png
+
+icons32dir = $(datadir)/icons/hicolor/32x32/apps
+icon32_DATA = 32x32/astrognome.png
+
+icons48dir = $(datadir)/icons/hicolor/48x48/apps
+icon48_DATA = 48x48/astrognome.png
+
+icons256dir = $(datadir)/icons/hicolor/256x256/apps
+icon256_DATA = 256x256/astrognome.png
+
+gtk_update_icon_cache = gtk-update-icon-cache -f -t $(datadir)/icons/hicolor
+
+install-data-hook: update-icon-cache
+uninstall-hook: update-icon-cache
+update-icon-cache:
+	@-if test -z "$(DESTDIR)"; then \
+	    echo "Updating Gtk icon cache."; \
+	    $(gtk_update_icon_cache); \
+	else \
+	    echo "*** Icon cache not updated. After (un)install, run this:"; \
+	    echo "***   $(gtk_update_icon_cache)"; \
+	fi
+
+EXTRA_DIST = \
+             $(icon16_DATA)  \
+             $(icon22_DATA)  \
+             $(icon24_DATA)  \
+             $(icon32_DATA)  \
+             $(icon48_DATA)  \
+             $(icon256_DATA) \
+             scalable/astrognome.svg
+