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  • From: Treeve Jelbert <treeve01 AT pi.be>
  • To: sm-users AT lists.ibiblio.org
  • Subject: [SM-Users] stange error message
  • Date: Sun, 7 Dec 2003 13:01:08 +0100

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Does anyone understand what is causing these error messages.
I am trying to build some examples which are part of sptk, which depends on
fltk

I suspected the 'combreloc strip' optimisations, but removing them in the two
spells makes no difference.

what does "undefined reference to `vtable for Fl_Menu_Bar'" mean?

fltk installs the following libraries:

/usr/lib/libfltk.a
/usr/lib/libfltk_forms.a
/usr/lib/libfltk_gl.a
/usr/lib/libfltk_images.a
____
root@Sourcemage:/usr/share/doc/sptk/examples# make
g++ -O3 -Wall -I. `fltk-config --cxxflags` -s -lodbc -lspdb2 -lsptk2
`fltk-config --ldflags` -lpthread ceditor_test.cpp -o ceditor_test
/tmp/ccuFsY6i.o(.text+0x2850): In function `main':
: undefined reference to `Fl_Window::show(int, char**)'
/tmp/ccuFsY6i.o(.gnu.linkonce.r._ZTV8CMenuBar+0x10): undefined reference to
`Fl_Menu_Bar::draw()'
/tmp/ccuFsY6i.o(.gnu.linkonce.r._ZTV8CMenuBar+0x14): undefined reference to
`Fl_Menu_Bar::handle(int)'
/tmp/ccuFsY6i.o(.gnu.linkonce.t._ZN8CMenuBarD1Ev+0x12): In function
`CMenuBar::~CMenuBar [in-charge]()':
: undefined reference to `vtable for Fl_Menu_Bar'
/tmp/ccuFsY6i.o(.gnu.linkonce.t._ZN8CMenuBarD0Ev+0x15): In function
`CMenuBar::~CMenuBar [in-charge deleting]()':
: undefined reference to `vtable for Fl_Menu_Bar'
/tmp/ccuFsY6i.o(.gnu.linkonce.r._ZTI8CMenuBar+0x10): undefined reference to
`typeinfo for Fl_Menu_Bar'
collect2: ld returned 1 exit status
make: *** [ceditor_test] Error 1




Regards, Treeve

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