RE: [Insight-developers] Re: [Insight-users] Fixing bugs for ITK with MinGW

[Tomáš Kazmar]

Hi,

  including that flag solves our problem. I checked it by directly
changing link.txt of ITKCommon.dll.Question is whether there
are any side effects? If there are no objections l'll try to write a
patch with appropriate SET_TARGET_PROPERTIES
LINK_FLAGS and a MINGW-only guard.

Regards,
Tomas

# Following this
# [http://public.kitware.com/pipermail/vtkusers/2006-February/083673.html], does
# the cmake script contain generating the suggested export flags?
# 
# 
# I have reproduced this BUILD_SHARED_LIBS/mingw error with CVS ITK and MinGW on
# my laptop..... If anybody has another suggestion about how to fix it, I'd be
# happy to try it out...
# 
# 
# David
# 
# 
# 
# On 9/5/07, Ali - <saveez at hotmail.com> wrote:
# 
# 
# 
# 
# 
# 
# 
# 
# > Well,
# > 
# > It turns out that the symbol template class
# > 
# >       itk::SmartPointerForwardReference<>
# > 
# 
# > is actually already defined and exported in the file
# > 
# >     itkSmartPointerForwardReferenceProcessObject.cxx
# > 
# > 
# > but the CMakeLists.txt file only adds it to the list of
# > source files if "WIN32" is defined.
# 
# > 
# > Yesterday, I tried modifying the CMake logic to include 
# > itkSmartPointerForwardReferenceProcessObject.cxx in the
# > ITKCommon library when we build on MinGW:
# > 
# > 
# http://www.itk.org/cgi-bin/viewcvs.cgi/Code/Common/CMakeLists.txt.diff?cvsroot=Insight&r1=1.123&r2=1.124
# > 
# > 
# > Lines 90-94:
# > 
# > 
# >     ELSE (WIN32)
# >       IF(MINGW)
# 
# >         SET(ITKCommon_SRCS ${ITKCommon_SRCS}
# >            itkSmartPointerForwardReferenceProcessObject.cxx)
# >       ENDIF(MINGW)
# >     ENDIF (WIN32)
# > 
# 
# Cmake never goes to 
# 
# 
# ELSE (WIN32)
# ...
# ENDIF (WIN32)
# 
# 
# it only goes to 
# 
# 
# IF (WIN32)
# 
# ...
# 
# ENDIF (WIN32)
# 
# 
# as I checked it by MESSAGE(), and on my XP+MINGW+MSYS system.
# 
# Since the target itkSmartPointerForwardReferenceProcessObject.cxx is already
# included in the WIN32 condition, this does not make any changes to the errors. 
# 
# 
# > 
# > 
# > However I'm not sure if this is the appropriate logic...
# > 
# > 
# > Ali:   Could you please update your CVS checkout of ITK
# >         and give it a try ?
# 
# 
# I gave it a try, the same errors again.
# 
# > 
# >    You may want to add a MESSAGE() in the middle of the
# >    IF(MINGW) to make sure that CMake is actually visiting
# >    that line.
# 
# > 
# > 
# >    Please let us know if this change works for you,
# > 
# > 
# >       Thanks
# > 
# > 
# > 
# >           Luis
# > 
# 
# 
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