C ++ CodeBlocks编译两个源文件

Question

我尝试通过CodeBlocks编译这些文件，我从这里下载了这些文件：

  

https://git.gnome.org/browse/gtkmm-documentation/tree/examples/book/frame?h=master

当我尝试使用代码块编译它时，我得到了错误：

  

main.cpp | 8 |对`ExampleWindow :: ExampleWindow（）'|

的未定义引用

但是我从它工作的终端编译它：

g++ main.cc examplewindow.cc -o simple `pkg-config gtkmm-3.0 --cflags --libs`

有没有想法如何让代码块编译两个源文件？

  

-------------- Build：在youtube中调试（编译器：GNU GCC编译器）---------------

     

g ++ -Wall -fexceptions -g -std = gnu ++ 11 -pthread   -I / usr / include / gtkmm-3.0 -I / usr / lib / x86_64-linux-gnu / gtkmm-3.0 / include -I / usr / include / atkmm-1.6 -I / usr / include / giomm-2.4 -I /usr/lib/x86_64-linux-gnu/giomm-2.4/include -I / usr / include / pangomm-1.4 -I / usr / lib / x86_64-linux-gnu / pangomm-1.4 / include -I / usr / include /gtk-3.0 -I / usr / include / cairomm-1.0 -I / usr / lib / x86_64-linux-gnu / cairomm-1.0 / include -I / usr / include / gdk-pixbuf-2.0 -I / usr / include /gtk-3.0/unix-print -I / usr / include / gdkmm-3.0 -I / usr / lib / x86_64-linux-gnu / gdkmm-3.0 / include -I / usr / include / atk-1.0 -I / usr /include/glibmm-2.4 -I / usr / lib / x86_64-linux-gnu / glibmm-2.4 / include -I / usr / include / glib-2.0 -I / usr / lib / x86_64-linux-gnu / glib-2.0 / include -I / usr / include / sigc ++ - 2.0 -I / usr / lib / x86_64-linux-gnu / sigc ++ - 2.0 / include -I / usr / include / pango-1.0 -I / usr / include / cairo -I / usr / include / pixman-1 -I / usr / include / freetype2 -I / usr / include / libpng12 -I / usr / include / at-spi2-atk / 2.0 -I / usr / include / gio-unix-2.0 / -I / usr / include / harfbuzz -lgtkmm-3.0 -latkmm-1.6 -lgdkmm-3.0 -lgiomm-2.4 -lpangomm-1.4 -lgtk-3 -lglibmm-2.4 -lcairomm-1.0 -lgdk-3 -latk-1.0 -lgio-2.0 -lpangocairo-1.0 -lgdk_pixbuf-2.0 -lcairo-gobject -lpango-1.0 -lcairo -lsigc-2.0 -lgobject-2.0 -lglib-2.0 -I / usr / include / -I / usr / lib / x86_64-linux-gnu / -c /home/bahaa/programming/c++/youtube/main.cpp -o obj / Debug / main.o g ++   -o bin / Debug / youtube obj / Debug / main.o -L / usr / lib / mysql -lmysqlclient -lgtkmm-3.0 -latkmm-1.6 -lgdkmm-3.0 -lgiomm-2.4 -lpangomm-1.4 -lgtk-3 -lglibmm -2.4 -lcairomm-1.0 -lgdk-3 -latk-1.0 -lgio-2.0 -lpangocairo-1.0 -lgdk_pixbuf-2.0 -lcairo-gobject -lpango-1.0 -lcairo -lsigc-2.0 -lgobject-2.0 -lglib-2.0 obj / Debug / main.o：在函数main': /home/bahaa/programming/c++/youtube/main.cpp:8: undefined reference to ExampleWindow :: ExampleWindow（）'   /home/bahaa/programming/c++/youtube/main.cpp:8：未定义引用   ExampleWindow::~ExampleWindow()' /home/bahaa/programming/c++/youtube/main.cpp:8: undefined reference to ExampleWindow :: ~OampleWindow（）'collect2：error：ld返回1退出   status进程终止，状态为1（0分，1秒）3   错误，0警告（0分钟，1秒）

https://www.youtube.com/watch?v=3v3koVNb7hU&feature=youtu.be

Answer 1

您在终端中输入的命令与命令代码块正在执行的命令完全不同，因此它执行不同的操作是逻辑。 但是在undefined reference的情况下，通常意味着您忘记了include某个地方。声明/定义ExampleWindow在哪里？它是否包含在您的main中，通过您正在做的两个包含中的一个？