Gtkとgstreamerリンカエラー

Question

私は単純なgst playerをGoogleのコードからコンパイルしようとしています。私は固定され、今私は、私はいくつかのライブラリの輸入を欠落しているかもしれないと思うリンカエラー

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 

を取得mが不足しているライブラリがインストールされているが、私は把握することはできませんよきました。ありがとう

Answer 1

問題は、コンパイル時にライブラリへのリンクが表示されるまで、ライブラリとリンクしていない可能性が高いためです。ソースからライブラリ内のシンボルに出会うまで、リンカはライブラリに対してリンクしないので、コンパイルコマンドの最初にソースを移動する必要があります。

19 gst-player: ui.c gst-backend.c 
20  $(CC) $+ $(CFLAGS) $(GTK_CFLAGS) $(GTK_LIBS) $(GST_CFLAGS) $(GST_LIBS) -o $@ 

（今ソースは右$(CC)後であることに注意してください）：それに

19 gst-player: ui.c gst-backend.c 
20  $(CC) $(CFLAGS) $(GTK_CFLAGS) $(GTK_LIBS) $(GST_CFLAGS) $(GST_LIBS) $+ -o $@ 

変更を次のように現在Makefileがソースリンクに提供構築します。代わりに、-Wl, --no-as-neededオプションを使用してライブラリからシンボルに遭遇してもライブラリをリンクするようリンカに依頼することができます。その場合には、Makefile変更は次のようになります。

19 gst-player: ui.c gst-backend.c 
20  $(CC) -Wl,--no-as-needed $(CFLAGS) $(GTK_CFLAGS) $(GTK_LIBS) $(GST_CFLAGS) $(GST_LIBS) $+ -o $@ 

は、この情報がお役に立てば幸い！