Hi Peng, 
   I had the exact same issue. If you go back a version of Stage (2.1.0), it should be able to link to the FLTK libraries.  Good Luck.

Regards,
Khawaja

On Wed, Sep 24, 2008 at 10:43 PM, Peng Yun <pengyunhit@gmail.com> wrote:
hello,

I have installed all the needed components such as
  • FLTK 1.1.9
  • OpenGL
  • GLib 2
  • libpng
  • ltdl (Libtool)
But when I run make, errors come out as

Linking CXX executable stage
libstage.so.3.0.1: undefined reference to `gl_font(int, int)'
libstage.so.3.0.1: undefined reference to `Fl::e_number'
libstage.so.3.0.1: undefined reference to `Fl_Group::begin()'
libstage.so.3.0.1: undefined reference to `Fl_Text_Buffer::insert(int, char const*)'
libstage.so.3.0.1: undefined reference to `Fl_Window::size_range_()'
libstage.so.3.0.1: undefined reference to `Fl_Gl_Window::show()'
libstage.so.3.0.1: undefined reference to `vtable for Fl_Gl_Window'
libstage.so.3.0.1: undefined reference to `Fl_Widget::label(char const*)'
libstage.so.3.0.1: undefined reference to `vtable for Fl_Menu_Bar'
libstage.so.3.0.1: undefined reference to `Fl_File_Chooser::shown()'
libstage.so.3.0.1: undefined reference to `Fl_Text_Buffer::Fl_Text_Buffer(int)'
libstage.so.3.0.1: undefined reference to `Fl_Group::find(Fl_Widget const*) const'
libstage.so.3.0.1: undefined reference to `typeinfo for Fl_Window'
libstage.so.3.0.1: undefined reference to `Fl_Widget::window() const'
libstage.so.3.0.1: undefined reference to `Fl_Button::Fl_Button(int, int, int, int, char const*)'
libstage.so.3.0.1: undefined reference to `Fl_Gl_Window::flush()'
libstage.so.3.0.1: undefined reference to `Fl_Window::handle(int)'
libstage.so.3.0.1: undefined reference to `Fl_Text_Display::Fl_Text_Display(int, int, int, int, char const*)'
libstage.so.3.0.1: undefined reference to `vtable for Fl_Box'
libstage.so.3.0.1: undefined reference to `Fl_File_Chooser::ok_label(char const*)'
libstage.so.3.0.1: undefined reference to `Fl_Shared_Image::release()'
libstage.so.3.0.1: undefined reference to `Fl::repeat_timeout(double, void (*)(void*), void*)'
libstage.so.3.0.1: undefined reference to `Fl_File_Chooser::~Fl_File_Chooser()'
libstage.so.3.0.1: undefined reference to `gl_width(char const*)'
libstage.so.3.0.1: undefined reference to `Fl::e_x'
libstage.so.3.0.1: undefined reference to `Fl_Gl_Window::draw_overlay()'
libstage.so.3.0.1: undefined reference to `Fl_Widget::Fl_Widget(int, int, int, int, char const*)'
libstage.so.3.0.1: undefined reference to `Fl::e_keysym'
libstage.so.3.0.1: undefined reference to `Fl_Button::value(int)'
libstage.so.3.0.1: undefined reference to `Fl_Window::~Fl_Window()'
libstage.so.3.0.1: undefined reference to `Fl_Gl_Window::invalidate()'
libstage.so.3.0.1: undefined reference to `Fl_Widget::redraw()'
libstage.so.3.0.1: undefined reference to `fl_alert(char const*, ...)'
libstage.so.3.0.1: undefined reference to `fl_old_shortcut(char const*)'
libstage.so.3.0.1: undefined reference to `Fl::delete_widget(Fl_Widget*)'
libstage.so.3.0.1: undefined reference to `Fl_Check_Button::Fl_Check_Button(int, int, int, int, char const*)'
libstage.so.3.0.1: undefined reference to `Fl_Text_Buffer::~Fl_Text_Buffer()'
libstage.so.3.0.1: undefined reference to `Fl_Shared_Image::get(char const*, int, int)'
libstage.so.3.0.1: undefined reference to `Fl_Gl_Window::resize(int, int, int, int)'
libstage.so.3.0.1: undefined reference to `Fl_Window::hide()'
libstage.so.3.0.1: undefined reference to `fl_register_images()'
libstage.so.3.0.1: undefined reference to `gl_draw(char const*)'
libstage.so.3.0.1: undefined reference to `Fl_Group::end()'
libstage.so.3.0.1: undefined reference to `Fl_Window::Fl_Window(int, int, int, int, char const*)'
libstage.so.3.0.1: undefined reference to `Fl_PNG_Image::Fl_PNG_Image(char const*)'
libstage.so.3.0.1: undefined reference to `Fl_Scroll::Fl_Scroll(int, int, int, int, char const*)'
libstage.so.3.0.1: undefined reference to `Fl_Window::Fl_Window(int, int, char const*)'
libstage.so.3.0.1: undefined reference to `Fl_Gl_Window::hide()'
libstage.so.3.0.1: undefined reference to `Fl_Widget::default_callback(Fl_Widget*, void*)'
libstage.so.3.0.1: undefined reference to `Fl_File_Chooser::value(int)'
libstage.so.3.0.1: undefined reference to `Fl::wait()'
libstage.so.3.0.1: undefined reference to `Fl::e_y'
libstage.so.3.0.1: undefined reference to `Fl::check()'
libstage.so.3.0.1: undefined reference to `Fl_Text_Buffer::text(char const*)'
libstage.so.3.0.1: undefined reference to `Fl_Menu_::add(char const*, int, void (*)(Fl_Widget*, void*), void*, int)'
libstage.so.3.0.1: undefined reference to `Fl_Window::draw()'
libstage.so.3.0.1: undefined reference to `Fl_Window::flush()'
libstage.so.3.0.1: undefined reference to `Fl_Scroll::clear()'
libstage.so.3.0.1: undefined reference to `typeinfo for Fl_Gl_Window'
libstage.so.3.0.1: undefined reference to `Fl_Window::show()'
libstage.so.3.0.1: undefined reference to `Fl_Text_Display::buffer(Fl_Text_Buffer*)'
libstage.so.3.0.1: undefined reference to `Fl_File_Chooser::show()'
libstage.so.3.0.1: undefined reference to `Fl_Window::label(char const*)'
libstage.so.3.0.1: undefined reference to `Fl_Gl_Window::~Fl_Gl_Window()'
libstage.so.3.0.1: undefined reference to `Fl::e_state'
libstage.so.3.0.1: undefined reference to `Fl_Gl_Window::init()'
libstage.so.3.0.1: undefined reference to `Fl_Menu_::Fl_Menu_(int, int, int, int, char const*)'
libstage.so.3.0.1: undefined reference to `Fl::e_dy'
libstage.so.3.0.1: undefined reference to `Fl::add_timeout(double, void (*)(void*), void*)'
libstage.so.3.0.1: undefined reference to `vtable for Fl_Return_Button'
libstage.so.3.0.1: undefined reference to `Fl_Gl_Window::make_current()'
libstage.so.3.0.1: undefined reference to `Fl_Window::Fl_Window(int, int, char const*)'
libstage.so.3.0.1: undefined reference to `gl_height()'
libstage.so.3.0.1: undefined reference to `Fl_Button::Fl_Button(int, int, int, int, char const*)'
libstage.so.3.0.1: undefined reference to `Fl_File_Chooser::Fl_File_Chooser(char const*, char const*, int, char const*)'
libstage.so.3.0.1: undefined reference to `Fl_Window::resize(int, int, int, int)'
libstage.so.3.0.1: undefined reference to `fl_choice(char const*, char const*, char const*, char const*, ...)'
collect2: ld return 1
make[2]: *** [libstage/stage] error 1
make[1]: *** [libstage/CMakeFiles/stagebinary.dir/all] error 2
make: *** [all] error 2


I think it may be because stage can not find the fltk. I have searched a lot on google for this problem, but it still not work. I really need your help. Thank you very much.


Yun Peng


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