---
 snd-chn.c |    1 +
 snd-xen.c |    1 +
 2 files changed, 2 insertions(+)

--- a/snd-chn.c
+++ b/snd-chn.c
@@ -3163,6 +3163,7 @@ static bool make_gl_spectrogram(chan_inf
 #if USE_MOTIF
   return(XtAppPending(main_app(ss)) == 0); /* return true if there are no pending events to force current buffer to be displayed */
 #endif
+  return true;
 }
 #endif
 /* HAVE_GL */
--- a/snd-xen.c
+++ b/snd-xen.c
@@ -2688,6 +2688,7 @@ static Xen g_snd_gl_context(void)
 {
 #if USE_GTK
   /* return(Xen_list_2(C_string_to_Xen_symbol("GLContext"), Xen_wrap_C_pointer(ss->cx))); */
+  return XEN_FALSE;
 #else
 #if USE_MOTIF
   return(Xen_list_2(C_string_to_Xen_symbol("GLXContext"), Xen_wrap_C_pointer(ss->cx)));