* gnu/packages/gnome.scm (totem): Update to 3.26.0. [source]: Add 'patches' field. [build-system]: Switch to MESON-BUILD-SYSTEM. [native-inputs]: Add GTK+:bin and GLIB:bin. [arguments]: Pass #:glib-or-gtk?. Adjust #:configure-flags to new syntax. * gnu/packages/patches/totem-meson-easy-codec.patch: New file. * gnu/local.mk (dist_patch_DATA): Add it.