title: Gtk and gstreamer linker error
body: <p>I m trying to compile the simple <a href="http://code.google.com/p/gst-player/" rel="nofollow">gst player</a> from google code. I have fixed and installed missing libraries now i m getting a linker error</p>
  
  <pre><code>vickey@tb:~/work/gst-player-0.0.0$ make
  gcc -ggdb -Wall -W -Wformat-nonliteral -Wcast-align -Wpointer-arith -Wbad-function-cast -Wmissing-prototypes -Wstrict-prototypes -Wmissing-declarations -Winline -Wundef -Wnested-externs -Wcast-qual -Wshadow -Wwrite-strings -Wno-unused-parameter -Wfloat-equal -pedantic -ansi -std=c99 `pkg-config --cflags gtk+-2.0` `pkg-config --libs gtk+-2.0` `pkg-config --cflags gstreamer-0.10` `pkg-config --libs gstreamer-0.10` -lgstinterfaces-0.10 ui.c gst-backend.c -o gst-player
  In file included from /usr/include/gtk-2.0/gtk/gtk.h:236:0,
                   from ui.c:19:
  /usr/include/gtk-2.0/gtk/gtkitemfactory.h:47:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  ui.c: In function ‘toggle_fullscreen’:
  ui.c:60:9: warning: passing argument 1 of ‘gtk_window_unfullscreen’ from incompatible pointer type [enabled by default]
  /usr/include/gtk-2.0/gtk/gtkwindow.h:340:10: note: expected ‘struct GtkWindow *’ but argument is of type ‘struct GtkWidget *’
  ui.c:65:9: warning: passing argument 1 of ‘gtk_window_fullscreen’ from incompatible pointer type [enabled by default]
  /usr/include/gtk-2.0/gtk/gtkwindow.h:339:10: note: expected ‘struct GtkWindow *’ but argument is of type ‘struct GtkWidget *’
  gst-backend.c: In function ‘backend_query_position’:
  gst-backend.c:164:5: warning: pointer targets in passing argument 3 of ‘gst_element_query_position’ differ in signedness [-Wpointer-sign]
  /usr/include/gstreamer-0.10/gst/gstutils.h:1047:25: note: expected ‘gint64 *’ but argument is of type ‘guint64 *’
  gst-backend.c: In function ‘backend_query_duration’:
  gst-backend.c:177:5: warning: pointer targets in passing argument 3 of ‘gst_element_query_duration’ differ in signedness [-Wpointer-sign]
  /usr/include/gstreamer-0.10/gst/gstutils.h:1049:25: note: expected ‘gint64 *’ but argument is of type ‘guint64 *’
  /tmp/cckH1GSv.o: In function `toggle_paused':
  /home/vickey/work/gst-player-0.0.0/ui.c:43: undefined reference to `gtk_button_get_type'
  /home/vickey/work/gst-player-0.0.0/ui.c:43: undefined reference to `g_type_check_instance_cast'
  /home/vickey/work/gst-player-0.0.0/ui.c:43: undefined reference to `gtk_button_set_label'
  /home/vickey/work/gst-player-0.0.0/ui.c:49: undefined reference to `gtk_button_get_type'
  /home/vickey/work/gst-player-0.0.0/ui.c:49: undefined reference to `g_type_check_instance_cast'
  /home/vickey/work/gst-player-0.0.0/ui.c:49: undefined reference to `gtk_button_set_label'
  /tmp/cckH1GSv.o: In function `toggle_fullscreen':
  /home/vickey/work/gst-player-0.0.0/ui.c:60: undefined reference to `gtk_window_unfullscreen'
  /home/vickey/work/gst-player-0.0.0/ui.c:65: undefined reference to `gtk_window_fullscreen'
  /tmp/cckH1GSv.o: In function `destroy':
  /home/vickey/work/gst-player-0.0.0/ui.c:96: undefined reference to `gtk_main_quit'
  /    tmp/cckH1GSv.o: In function `key_press':
  /home/vickey/work/gst-player-0.0.0/ui.c:127: undefined reference to `gtk_main_quit'
  /tmp/cckH1GSv.o: In function `start':
  /home/vickey/work/gst-player-0.0.0/ui.c:167: undefined reference to `gtk_window_new'
  /home/vickey/work/gst-player-0.0.0/ui.c:169: undefined reference to `g_type_check_instance_cast'
  /home/vickey/work/gst-player-0.0.0/ui.c:169: undefined reference to `g_signal_connect_data'
  /home/vickey/work/gst-player-0.0.0/ui.c:172: undefined reference to `g_type_check_instance_cast'
  /home/vickey/work/gst-player-0.0.0/ui.c:172: undefined reference to `g_signal_connect_data'
  /home/vickey/work/gst-player-0.0.0/ui.c:175: undefined reference to `g_type_check_instance_cast'
  /home/vickey/work/gst-player-0.0.0/ui.c:175: undefined reference to `g_signal_connect_data'
  /home/vickey/work/gst-player-0.0.0/ui.c:178: undefined reference to `gtk_container_get_type'
  /home/vickey/work/gst-player-0.0.0/ui.c:178: undefined reference to `g_type_check_instance_cast'
  /home/vickey/work/gst-player-0.0.0/ui.c:178: undefined reference to `gtk_container_set_border_width'
  /home/vickey/work/gst-player-0.0.0/ui.c:180: undefined reference to `gtk_vbox_new'
  /home/vickey/work/gst-player-0.0.0/ui.c:182: undefined reference to `gtk_container_get_type'
  /home/vickey/work/gst-player-0.0.0/ui.c:182: undefined reference to `g_type_check_instance_cast'
  /home/vickey/work/gst-player-0.0.0/ui.c:182: undefined reference to `gtk_container_add'
  /home/vickey/work/gst-player-0.0.0/ui.c:184: undefined reference to `gtk_widget_show'
  /home/vickey/work/gst-player-0.0.0/ui.c:186: undefined reference to `gtk_hbox_new'
  /home/vickey/work/gst-player-0.0.0/ui.c:188: undefined reference to `gtk_box_get_type'
  /home/vickey/work/gst-player-0.0.0/ui.c:188: undefined reference to `g_type_check_instance_cast'
  /home/vickey/work/gst-player-0.0.0/ui.c:188: undefined reference to `gtk_box_pack_end'
  /home/vickey/work/gst-player-0.0.0/ui.c:190: undefined reference to `gtk_widget_show'
  /home/vickey/work/gst-player-0.0.0/ui.c:193: undefined reference to `gtk_drawing_area_new'
  /home/vickey/work/gst-player-0.0.0/ui.c:195: undefined reference to `gtk_box_get_type'
  /home/vickey/work/gst-player-0.0.0/ui.c:195: undefined reference to `g_type_check_instance_cast'
  /home/vickey/work/gst-player-0.0.0/ui.c:195: undefined reference to `gtk_box_pack_start'
  /home/vickey/work/gst-player-0.0.0/ui.c:197: undefined reference to `gtk_widget_set_size_request'
  /home/vickey/work/gst-player-0.0.0/ui.c:199: undefined reference to `gtk_widget_show'
  /home/vickey/work/gst-player-0.0.0/ui.c:203: undefined reference to `gtk_button_new_with_label'
  /home/vickey/work/gst-player-0.0.0/ui.c:205: undefined reference to `g_type_check_instance_cast'
  /home/vickey/work/gst-player-0.0.0/ui.c:205: undefined reference to `g_signal_connect_data'
  /home/vickey/work/gst-player-0.0.0/ui.c:208: undefined reference to `gtk_box_get_type'
  /home/vickey/work/gst-player-0.0.0/ui.c:208: undefined reference to `g_type_check_instance_cast'
  /home/vickey/work/gst-player-0.0.0/ui.c:208: undefined reference to `gtk_box_pack_start'
  /home/vickey/work/gst-player-0.0.0/ui.c:210: undefined reference to `gtk_widget_show'
  /home/vickey/work/gst-player-0.0.0/ui.c:216: undefined reference to `gtk_button_new_with_label'
  /home/vickey/work/gst-player-0.0.0/ui.c:218: undefined reference to `g_type_check_instance_cast'
  /home/vickey/work/gst-player-0.0.0/ui.c:218: undefined reference to `g_signal_connect_data'
  /home/vickey/work/gst-player-0.0.0/ui.c:221: undefined reference to `gtk_box_get_type'
  /home/vickey/work/gst-player-0.0.0/ui.c:221: undefined reference to `g_type_check_instance_cast'
  /home/vickey/work/gst-player-0.0.0/ui.c:221: undefined reference to `gtk_box_pack_start'
  /home/vickey/work/gst-player-0.0.0/ui.c:223: undefined reference to `gtk_widget_show'
  /home/vickey/work/gst-player-0.0.0/ui.c:228: undefined reference to `gtk_adjustment_new'
  /home/vickey/work/gst-player-0.0.0/ui.c:229: undefined reference to `gtk_adjustment_get_type'
  /home/vickey/work/gst-player-0.0.0/ui.c:229: undefined reference to `g_type_check_instance_cast'
  /home/vickey/work/gst-player-0.0.0/ui.c:229: undefined reference to `gtk_hscale_new'
  /home/vickey/work/gst-player-0.0.0/ui.c:231: undefined reference to `gtk_box_get_type'
  /home/vickey/work/gst-player-0.0.0/ui.c:231: undefined reference to `g_type_check_instance_cast'
  /home/vickey/work/gst-player-0.0.0/ui.c:231: undefined reference to `gtk_box_pack_end'
  /home/vickey/work/gst-player-0.0.0/ui.c:233: undefined reference to `g_type_check_instance_cast'
  /home/vickey/work/gst-player-0.0.0/ui.c:233: undefined reference to `g_signal_connect_data'
  /home/vickey/work/gst-player-0.0.0/ui.c:236: undefined reference to `gtk_widget_show'
  /home/vickey/work/gst-player-0.0.0/ui.c:239: undefined reference to `gtk_widget_show'
  /tmp/cckH1GSv.o: In function `init':
  /    home/vickey/work/gst-player-0.0.0/ui.c:245: undefined reference to `gdk_x11_drawable_get_xid'
  /tmp/cckH1GSv.o: In function `timeout':
  /home/vickey/work/gst-player-0.0.0/ui.c:275: undefined reference to `gtk_range_get_type'
  /home/vickey/work/gst-player-0.0.0/ui.c:275: undefined reference to `g_type_check_instance_cast'
  /home/vickey/work/gst-player-0.0.0/ui.c:275: undefined reference to `gtk_range_set_value'
  /tmp/cckH1GSv.o: In function `main':
  /home/vickey/work/gst-player-0.0.0/ui.c:285: undefined reference to `gtk_init'
  /home/vickey/work/gst-player-0.0.0/ui.c:293: undefined reference to `g_strdup'
  /home/vickey/work/gst-player-0.0.0/ui.c:295: undefined reference to `g_strdup_printf'
  /home/vickey/work/gst-player-0.0.0/ui.c:299: undefined reference to `g_idle_add'
  /home/vickey/work/gst-player-0.0.0/ui.c:300: undefined reference to `g_timeout_add'
  /home/vickey/work/gst-player-0.0.0/ui.c:302: undefined reference to `gtk_main'
  /home/vickey/work/gst-player-0.0.0/ui.c:304: undefined reference to `g_free'
  /tmp/cc9cDvJS.o: In function `bus_cb':
  /home/vickey/work/gst-player-0.0.0/gst-backend.c:39: undefined reference to `g_log'
  /home/vickey/work/gst-player-0.0.0/gst-backend.c:47: undefined reference to `gst_message_parse_error'
  /home/vickey/work/gst-player-0.0.0/gst-backend.c:48: undefined reference to `g_free'
  /home/vickey/work/gst-player-0.0.0/gst-backend.c:50: undefined reference to `g_log'
  /home/vickey/work/gst-player-0.0.0/gst-backend.c:51: undefined reference to `g_error_free'
  /tmp/cc9cDvJS.o: In function `backend_init':
  /home/vickey/work/gst-player-0.0.0/gst-backend.c:65: undefined reference to `gst_init'
  /tmp/cc9cDvJS.o: In function `backend_play':
  /home/vickey/work/gst-player-0.0.0/gst-backend.c:79: undefined reference to `gst_pipeline_new'
  /home/vickey/work/gst-player-0.0.0/gst-backend.c:81: undefined reference to `gst_element_factory_make'
  /home/vickey/work/gst-player-0.0.0/gst-backend.c:82: undefined reference to `gst_element_factory_make'
  /home/vickey/work/gst-player-0.0.0/gst-backend.c:84: undefined reference to `g_type_check_instance_cast'
  /home/vickey/work/gst-player-0.0.0/gst-backend.c:84: undefined reference to `g_object_set'
  /home/vickey/work/gst-player-0.0.0/gst-backend.c:86: undefined reference to `gst_bin_get_type'
  /home/vickey/work/gst-player-0.0.0/gst-backend.c:86: undefined reference to `g_type_check_instance_cast'
  /home/vickey/work/gst-player-0.0.0/gst-backend.c:86: undefined reference to `gst_bin_add'
  /home/vickey/work/gst-player-0.0.0/gst-backend.c:90: undefined reference to `gst_pipeline_get_type'
  /home/vickey/work/gst-player-0.0.0/gst-backend.c:90: undefined reference to `g_type_check_instance_cast'
  /home/vickey/work/gst-player-0.0.0/gst-backend.c:90: undefined reference to `gst_pipeline_get_bus'
  /home/vickey/work/gst-player-0.0.0/gst-backend.c:91: undefined reference to `gst_bus_add_watch'
  /home/vickey/work/gst-player-0.0.0/gst-backend.c:92: undefined reference to `gst_object_unref'
  /home/vickey/work/gst-player-0.0.0/gst-backend.c:95: undefined reference to `g_type_check_instance_cast'
  /home/vickey/work/gst-player-0.0.0/gst-backend.c:95: undefined reference to `g_object_set'
  /home/vickey/work/gst-player-0.0.0/gst-backend.c:97: undefined reference to `gst_x_overlay_get_type'
  /home/vickey/work/gst-player-0.0.0/gst-backend.c:97: undefined reference to `gst_implements_interface_check'
  /home/vickey/work/gst-player-0.0.0/gst-backend.c:99: undefined reference to `gst_x_overlay_get_type'
  /home/vickey/work/gst-player-0.0.0/gst-backend.c:99: undefined reference to `gst_implements_interface_cast'
  /home/vickey/work/gst-player-0.0.0/gst-backend.c:99: undefined reference to `gst_x_overlay_set_xwindow_id'
  /home/vickey/work/gst-player-0.0.0/gst-backend.c:102: undefined reference to `gst_element_set_state'
  /tmp/cc9cDvJS.o: In function `backend_stop':
  /home/vickey/work/gst-player-0.0.0/gst-backend.c:110: undefined reference to `gst_element_set_state'
  /home/vickey/work/gst-player-0.0.0/gst-backend.c:111: undefined reference to `gst_object_get_type'
  /home/vickey/work/gst-player-0.0.0/gst-backend.c:111: undefined reference to `g_type_check_instance_cast'
  /home/vickey/work/gst-player-0.0.0/gst-backend.c:111: undefined reference to `gst_object_unref'
  /tmp/cc9cDvJS.o: In function `backend_pause':
  /home/vickey/work/gst-player-0.0.0/gst-backend.c:119: undefined reference to `gst_element_set_state'
  /tmp/cc9cDvJS.o: In function `backend_resume':
  /home/vickey/work/gst-player-0.0.0/gst-backend.c:125: undefined reference to `gst_element_set_state'
  /tmp/cc9cDvJS.o: In function `backend_reset':
  /home/vickey/work/gst-player-0.0.0/gst-backend.c:131: undefined reference to `gst_element_seek'
  /tmp/cc9cDvJS.o: In function `backend_seek':
  /home/vickey/work/gst-player-0.0.0/gst-backend.c:141: undefined reference to `gst_element_seek'
  /tmp/cc9cDvJS.o: In function `backend_seek_absolute':
  /home/vickey/work/gst-player-0.0.0/gst-backend.c:151: undefined reference to `gst_element_seek'
  /tmp/cc9cDvJS.o: In function `backend_query_position':
  /home/vickey/work/gst-player-0.0.0/gst-backend.c:164: undefined reference to `gst_element_query_position'
  /tmp/cc9cDvJS.o: In function `backend_query_duration':
  /home/vickey/work/gst-player-0.0.0/gst-backend.c:177: undefined reference to `gst_element_query_duration'
  collect2: ld returned 1 exit status
  make: *** [gst-player] Error 1
  </code></pre>
  
  <p>I think I might be missing some library imports but I am not able to figure out . Thanks</p>