我正在用 GTK+ 编写一个接口,以便使用 XMPP 协议进行聊天。当我编译它时,我的代码运行良好:
gcc login_gtk.c `pkg-config --cflags --libs gtk+-3.0`
但是由于我将文件添加到我的项目中,并且我使用的是 Makefile,所以它不再编译了。我猜这个问题来自我的 Makefile。
编译器错误:
gcc -o -W -Wall -Wextra -Werror -g -I./Includes/. -pthread -I/usr/include/gtk-3.0 -I/usr/include/atk-1.0 -I/usr/include/at-spi2-atk/2.0 -I/usr/include/pango-1.0 -I/usr/include/gio-unix-2.0/ -I/usr/include/cairo -I/usr/include/gdk-pixbuf-2.0 -I/usr/include/glib-2.0 -I/usr/lib/x86_64-linux-gnu/glib-2.0/include -I/usr/include/freetype2 -I/usr/include/pixman-1 -I/usr/include/libpng12 -lgtk-3 -lgdk-3 -latk-1.0 -lgio-2.0 -lpangocairo-1.0 -lgdk_pixbuf-2.0 -lcairo-gobject -lpango-1.0 -lcairo -lgobject-2.0 -lglib-2.0 -c -o Sources/login_gtk.o Sources/login_gtk.c
gcc -o -W -Wall -Wextra -Werror -g -I./Includes/. -pthread -I/usr/include/gtk-3.0 -I/usr/include/atk-1.0 -I/usr/include/at-spi2-atk/2.0 -I/usr/include/pango-1.0 -I/usr/include/gio-unix-2.0/ -I/usr/include/cairo -I/usr/include/gdk-pixbuf-2.0 -I/usr/include/glib-2.0 -I/usr/lib/x86_64-linux-gnu/glib-2.0/include -I/usr/include/freetype2 -I/usr/include/pixman-1 -I/usr/include/libpng12 -lgtk-3 -lgdk-3 -latk-1.0 -lgio-2.0 -lpangocairo-1.0 -lgdk_pixbuf-2.0 -lcairo-gobject -lpango-1.0 -lcairo -lgobject-2.0 -lglib-2.0 -c -o Sources/circular_buffer.o Sources/circular_buffer.c
gcc -o -W -Wall -Wextra -Werror -g -I./Includes/. -pthread -I/usr/include/gtk-3.0 -I/usr/include/atk-1.0 -I/usr/include/at-spi2-atk/2.0 -I/usr/include/pango-1.0 -I/usr/include/gio-unix-2.0/ -I/usr/include/cairo -I/usr/include/gdk-pixbuf-2.0 -I/usr/include/glib-2.0 -I/usr/lib/x86_64-linux-gnu/glib-2.0/include -I/usr/include/freetype2 -I/usr/include/pixman-1 -I/usr/include/libpng12 -lgtk-3 -lgdk-3 -latk-1.0 -lgio-2.0 -lpangocairo-1.0 -lgdk_pixbuf-2.0 -lcairo-gobject -lpango-1.0 -lcairo -lgobject-2.0 -lglib-2.0 -c -o Sources/welcome_server.o Sources/welcome_server.c
gcc -o -W -Wall -Wextra -Werror -g -I./Includes/. -pthread -I/usr/include/gtk-3.0 -I/usr/include/atk-1.0 -I/usr/include/at-spi2-atk/2.0 -I/usr/include/pango-1.0 -I/usr/include/gio-unix-2.0/ -I/usr/include/cairo -I/usr/include/gdk-pixbuf-2.0 -I/usr/include/glib-2.0 -I/usr/lib/x86_64-linux-gnu/glib-2.0/include -I/usr/include/freetype2 -I/usr/include/pixman-1 -I/usr/include/libpng12 -lgtk-3 -lgdk-3 -latk-1.0 -lgio-2.0 -lpangocairo-1.0 -lgdk_pixbuf-2.0 -lcairo-gobject -lpango-1.0 -lcairo -lgobject-2.0 -lglib-2.0 -c -o Sources/main_loop.o Sources/main_loop.c
gcc -o -W -Wall -Wextra -Werror -g -I./Includes/. -pthread -I/usr/include/gtk-3.0 -I/usr/include/atk-1.0 -I/usr/include/at-spi2-atk/2.0 -I/usr/include/pango-1.0 -I/usr/include/gio-unix-2.0/ -I/usr/include/cairo -I/usr/include/gdk-pixbuf-2.0 -I/usr/include/glib-2.0 -I/usr/lib/x86_64-linux-gnu/glib-2.0/include -I/usr/include/freetype2 -I/usr/include/pixman-1 -I/usr/include/libpng12 -lgtk-3 -lgdk-3 -latk-1.0 -lgio-2.0 -lpangocairo-1.0 -lgdk_pixbuf-2.0 -lcairo-gobject -lpango-1.0 -lcairo -lgobject-2.0 -lglib-2.0 -c -o Sources/client_init.o Sources/client_init.c
gcc -o -W -Wall -Wextra -Werror -g -I./Includes/. -pthread -I/usr/include/gtk-3.0 -I/usr/include/atk-1.0 -I/usr/include/at-spi2-atk/2.0 -I/usr/include/pango-1.0 -I/usr/include/gio-unix-2.0/ -I/usr/include/cairo -I/usr/include/gdk-pixbuf-2.0 -I/usr/include/glib-2.0 -I/usr/lib/x86_64-linux-gnu/glib-2.0/include -I/usr/include/freetype2 -I/usr/include/pixman-1 -I/usr/include/libpng12 -lgtk-3 -lgdk-3 -latk-1.0 -lgio-2.0 -lpangocairo-1.0 -lgdk_pixbuf-2.0 -lcairo-gobject -lpango-1.0 -lcairo -lgobject-2.0 -lglib-2.0 -c -o Sources/main.o Sources/main.c
gcc -o x2p ./Sources/login_gtk.o ./Sources/circular_buffer.o ./Sources/welcome_server.o ./Sources/main_loop.o ./Sources/client_init.o ./Sources/main.o -lexpat
./Sources/login_gtk.o: In function `login_form':
./Sources/login_gtk.c:10: undefined reference to `gtk_entry_new'
./Sources/login_gtk.c:11: undefined reference to `gtk_entry_get_type'
./Sources/login_gtk.c:11: undefined reference to `g_type_check_instance_cast'
./Sources/login_gtk.c:11: undefined reference to `gtk_entry_set_text'
./Sources/login_gtk.c:12: undefined reference to `gtk_box_get_type'
./Sources/login_gtk.c:12: undefined reference to `g_type_check_instance_cast'
./Sources/login_gtk.c:12: undefined reference to `gtk_box_pack_start'
./Sources/login_gtk.c:13: undefined reference to `gtk_entry_get_type'
./Sources/login_gtk.c:13: undefined reference to `g_type_check_instance_cast'
生成文件:
NAME = x2p
SRCS = \
./Sources/login_gtk.c \
./Sources/circular_buffer.c \
./Sources/welcome_server.c \
./Sources/main_loop.c \
./Sources/client_init.c \
./Sources/main.c \
OBJS = $(SRCS:.c=.o)
CC = gcc -o
CFLAGS = -W -Wall -Wextra -Werror -g -I./Includes/. $(shell pkg-config --cflags --libs gtk+-3.0)
LDFLAGS += -lexpat
RM = rm -f
CAR = *\# *~ *core*
all : $(NAME)
$(NAME) : $(OBJS)
$(CC) $(NAME) $(OBJS) $(LDFLAGS)
clean :
$(RM) $(OBJS) $(CAR)
fclean : clean
$(RM) $(NAME)
re : fclean all
以及 login_gtk.c 的一部分:
#include <gtk/gtk.h>
void location_form(GtkWidget *pVBox)
{
GtkWidget *pList;
pList = gtk_combo_box_text_new();
gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(pList), "LOCATION");
gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(pList), "WORK");
gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(pList), "HOME");
gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(pList), "SCHOOL");
gtk_combo_box_set_active(GTK_COMBO_BOX(pList), 0);
gtk_box_pack_start (GTK_BOX(pVBox), pList, FALSE, TRUE, 0);
}