Build environment autoconf; gitignore; (both taken from user Stazed on github with some modifications)

pixmaps/Makefile.am

@@ -0,0 +1,17 @@
+pixmapsdir = $(datadir)/pixmaps
+pixmaps_DATA = jack-keyboard.png
+EXTRA_DIST = $(pixmaps_DATA)
+
+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
+