[Insight-users] Compile error related to FLTK in Visual C++

[Stephen R. Aylward]

All FLTK apps new require linking with comctl32.lib

I recommend changing the findFLTK.cmake module, but I am certain others 
will disagree with this approach.   Nevertheless, it works:

At the end of the IF(FLTK_INCLUDE_PATH) block, before the 
SET(FLTK_LIBRARY line (i.e., after line 62) add:

   IF(WIN32)
     SET (FLTK_SYSTEM_LIBRARY
     wsock32
     comctl32
     )
   ENDIF(WIN32)

   IF(UNIX)
     SET (FLTK_SYSTEM_LIBRARY
     ${CMAKE_X_LIBS}
     )
   ENDIF(UNIX)

then change the SET(FLTK_LIBRARY line right before 
ENDIF(FLTK_INCLUDE_PATH) to:

   SET( FLTK_LIBRARY ${FLTK_BASE_LIBRARY} ${FLTK_GL_LIBRARY} 
${FLTK_FORMS_LIBRARY} ${FLTK_IMAGES_LIBRARY} ${FLTK_SYSTEM_LIBRARY})


Stephen


Steve Boyd wrote:
> Hi,
> 
> I'm building ITK for the first time (v1.0.0), including FLTK (v1.1.1). 
> After creating my workspace file with Cmake and compiling, I got the
> following error regarding an unresolved external error during linking.  
> 
> Should I be using a different version of FLTK?  Any other suggestions to
> resolve the problem?
> 
> Sincerely,
> 
> Steve
> 
> --------------------Configuration: DistanceMapFilter - Win32
> Debug--------------------
> Linking...
>    Creating library C:\Documents and Settings\User\My
> Documents\pack\bin\itk\bin\Debug/DistanceMapFilter.lib and object
> C:\Documents and Settings\User\My
> Documents\pack\bin\itk\bin\Debug/DistanceMapFilter.exp
> fltkd.lib(Fl_x.obj) : error LNK2001: unresolved external symbol
> __imp___TrackMouseEvent@4
> C:\Documents and Settings\User\My
> Documents\pack\bin\itk\bin\Debug/DistanceMapFilter.exe : fatal error
> LNK1120: 1 unresolved externals
> Error executing link.exe.
> 
> ALL_BUILD - 2 error(s), 0 warning(s)
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-- 
===============================================
Dr. Stephen R. Aylward
Assistant Professor of Radiology
Adjunct Assistant Professor of Computer Science
http://caddlab.rad.unc.edu
aylward@unc.edu
(919) 966-9695