configure: WARNING: gtkmm not available: GUI examples will not be built.
configure: WARNING: Location of external libstdc documentation not set
extra_defs_gen/generate_plugin_gmmproc_file.cc:386:13: warning: Deprecated pre-processor symbol: replace with "(g_array_get_type ())"
  386 |                                          returnGType != G_TYPE_VALUE_ARRAY &&
      |             ^                            ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~        
element.cc: In member function ‘Glib::RefPtr Gst::Element::get_request_pad(const Glib::ustring&)’:
element.cc:978:48: warning: ‘GstPad* gst_element_get_request_pad(GstElement*, const gchar*)’ is deprecated: Use 'gst_element_request_pad_simple' instead [-Wdeprecated-declarations]
  978 |   return Glib::wrap(gst_element_get_request_pad(gobj(), name.c_str()));
      |                     ~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
In file included from ../gstreamermm/element.h:28,
                 from element.cc:6:
/usr/include/gstreamer-1.0/gst/gstelement.h:1042:25: note: declared here
 1042 | GstPad*                 gst_element_get_request_pad     (GstElement *element, const gchar *name);
      |                         ^~~~~~~~~~~~~~~~~~~~~~~~~~~
event.cc: In member function ‘void Gst::EventToc::parse(Glib::RefPtr&, bool&) const’:
event.cc:312:6: warning: infinite recursion detected [-Winfinite-recursion]
  312 | void EventToc::parse(Glib::RefPtr& toc, bool& updated) const
      |      ^~~~~~~~
event.cc:314:37: note: recursive call
  314 |   const_cast(this)->parse(toc, updated);
      |   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~
message.cc: In member function ‘Glib::RefPtr Gst::MessageClockProvide::parse_clock_provide() const’:
message.cc:367:32: warning: infinite recursion detected [-Winfinite-recursion]
  367 | Glib::RefPtr MessageClockProvide::parse_clock_provide() const
      |                                ^~~~~~~~~~~~~~~~~~~
message.cc:369:30: note: recursive call
  369 |   return parse_clock_provide();
      |                              ^
message.cc: In member function ‘Glib::RefPtr Gst::MessageClockLost::parse_clock_lost() const’:
message.cc:387:32: warning: infinite recursion detected [-Winfinite-recursion]
  387 | Glib::RefPtr MessageClockLost::parse_clock_lost() const
      |                                ^~~~~~~~~~~~~~~~
message.cc:389:27: note: recursive call
  389 |   return parse_clock_lost();
      |                           ^
message.cc: In member function ‘Glib::RefPtr Gst::MessageNewClock::parse_new_clock() const’:
message.cc:399:32: warning: infinite recursion detected [-Winfinite-recursion]
  399 | Glib::RefPtr MessageNewClock::parse_new_clock() const
      |                                ^~~~~~~~~~~~~~~
message.cc:401:26: note: recursive call
  401 |   return parse_new_clock();
      |                          ^
message.cc: In member function ‘Glib::RefPtr Gst::MessageHaveContext::parse_have_context() const’:
message.cc:662:34: warning: infinite recursion detected [-Winfinite-recursion]
  662 | Glib::RefPtr MessageHaveContext::parse_have_context() const
      |                                  ^~~~~~~~~~~~~~~~~~
message.cc:664:29: note: recursive call
  664 |   return parse_have_context();
      |                             ^
libtool: warning: remember to run 'libtool --finish /usr/lib'