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[英]CMake doesn't add optimised and debug libraries correctly to VS project
[英]CMake doesn't link correctly?
我目前正在嘗試調試一個程序,但該程序確定無法運行。 我猜這個錯誤很簡單,我真的是c ++的新用戶,並且使用cmake。
這是錯誤消息:
Scanning dependencies of target viewer
[ 25%] Building CXX object CMakeFiles/viewer.dir/Main.cpp.o
[ 50%] Building CXX object CMakeFiles/viewer.dir/TriangleMesh.cpp.o
[ 75%] Building CXX object CMakeFiles/viewer.dir/Camera.cpp.o
[100%] Building CXX object CMakeFiles/viewer.dir/MainWindow.cpp.o
Linking CXX executable viewer
CMakeFiles/viewer.dir/MainWindow.cpp.o:MainWindow.cpp:function
MainWindow::mousePressed(int, int, int, int): error: undefined reference
to 'MainWindow::mouse_button'
CMakeFiles/viewer.dir/MainWindow.cpp.o:MainWindow.cpp:function
MainWindow::mousePressed(int, int, int, int): error: undefined reference
to 'MainWindow::mouse_state'
CMakeFiles/viewer.dir/MainWindow.cpp.o:MainWindow.cpp:function
MainWindow::render(): error: undefined reference to 'MainWindow::cam'
CMakeFiles/viewer.dir/MainWindow.cpp.o:MainWindow.cpp:function
MainWindow::render(): error: undefined reference to 'MainWindow::mesh'
CMakeFiles/viewer.dir/MainWindow.cpp.o:MainWindow.cpp:function
MainWindow::mouseMove(int, int): error: undefined reference to
'MainWindow::mouse_button'
CMakeFiles/viewer.dir/MainWindow.cpp.o:MainWindow.cpp:function
MainWindow::mouseMove(int, int): error: undefined reference to
'MainWindow::old_y'
CMakeFiles/viewer.dir/MainWindow.cpp.o:MainWindow.cpp:function
MainWindow::mouseMove(int, int): error: undefined reference to
'MainWindow::old_x'
CMakeFiles/viewer.dir/MainWindow.cpp.o:MainWindow.cpp:function
MainWindow::mouseMove(int, int): error: undefined reference to
'MainWindow::cam'
CMakeFiles/viewer.dir/MainWindow.cpp.o:MainWindow.cpp:function
MainWindow::mouseMove(int, int): error: undefined reference to
'MainWindow::cam'
CMakeFiles/viewer.dir/MainWindow.cpp.o:MainWindow.cpp:function
MainWindow::mouseMove(int, int): error: undefined reference to
'MainWindow::mouse_button'
CMakeFiles/viewer.dir/MainWindow.cpp.o:MainWindow.cpp:function
MainWindow::mouseMove(int, int): error: undefined reference to
'MainWindow::old_x'
CMakeFiles/viewer.dir/MainWindow.cpp.o:MainWindow.cpp:function
MainWindow::mouseMove(int, int): error: undefined reference to
'MainWindow::old_y'
CMakeFiles/viewer.dir/MainWindow.cpp.o:MainWindow.cpp:function
MainWindow::mouseMove(int, int): error: undefined reference to
'MainWindow::mouse_button'
CMakeFiles/viewer.dir/MainWindow.cpp.o:MainWindow.cpp:function
MainWindow::mouseMove(int, int): error: undefined reference to
'MainWindow::cam'
CMakeFiles/viewer.dir/MainWindow.cpp.o:MainWindow.cpp:function
MainWindow::MainWindow(Camera*, int, char**): error: undefined reference
to 'MainWindow::old_x'
CMakeFiles/viewer.dir/MainWindow.cpp.o:MainWindow.cpp:function
MainWindow::MainWindow(Camera*, int, char**): error: undefined reference
to 'MainWindow::old_y'
CMakeFiles/viewer.dir/MainWindow.cpp.o:MainWindow.cpp:function
MainWindow::MainWindow(Camera*, int, char**): error: undefined reference
to 'MainWindow::mesh'
CMakeFiles/viewer.dir/MainWindow.cpp.o:MainWindow.cpp:function
MainWindow::MainWindow(Camera*, int, char**): error: undefined reference
to 'MainWindow::mesh'
CMakeFiles/viewer.dir/MainWindow.cpp.o:MainWindow.cpp:function
MainWindow::MainWindow(Camera*, int, char**): error: undefined reference
to 'MainWindow::mesh'
CMakeFiles/viewer.dir/MainWindow.cpp.o:MainWindow.cpp:function
MainWindow::getInstance(Camera*, int, char**): error: undefined reference
to 'MainWindow::instance'
CMakeFiles/viewer.dir/MainWindow.cpp.o:MainWindow.cpp:function
MainWindow::getInstance(Camera*, int, char**): error: undefined reference
to 'MainWindow::instance'
collect2: ld returned 1 exit status
make[2]: *** [viewer] Error 1
make[1]: *** [CMakeFiles/viewer.dir/all] Error 2
make: *** [all] Error 2
因此,代碼可以很好地編譯,只是無法真正鏈接4個源文件之一。
這是MainWindow.hpp的要點
class MainWindow
{
private:
MainWindow() {}
MainWindow(const MainWindow&) {}
MainWindow(Camera *cam, int argc, char* argv[]);
static MainWindow *instance;
static Camera *cam;
static TriangleMesh mesh;
static int old_x;
static int old_y;
static int mouse_button;
static int mouse_state;
static void mousePressed(int button, int state, int x, int y);
static void initGlut(int argc, char* argv[]);
static void initCallbacks();
static void render();
static void reshape(int w, int h);
static void keyPressed(unsigned char key, int x, int y);
static void mouseMove(int x, int y);
public:
static MainWindow* getInstance(Camera *cam, int argc, char* argv[]);
static void setCamera(Camera* cam);
static void setMesh(TriangleMesh* mesh);
static void destroy();
};
如果您有靜態成員變量,則不僅需要聲明它們,還需要定義它們:
在頭文件中:
class Foo
{
...
// This declares a static member variable
static int static_member_variable;
...
};
在源文件中:
// This defines the variable
int Foo::static_member_variable;
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