If you want to use ITK with ITKVtkGlue, then your program will have to
also find VTK, in order to add VTK_LIBRARIES to the link list. Otherwise
the ITK libraries will have references to VTK that won't be satisfied.
It sounds like what you would like to happen is that the ITK will pull the
VTK dependency into your project; in other words, ITK_LIBRARIES will end
up also containing VTK_LIBRARIES, and ITK_INCLUDE_DIRS will also contain
VTK_INCLUDE_DIRS. But the ${ITK_USE_FILE} doesn't do that, and in
general, I don't think any package that CMake can find works that way.
--
Kent Williams [email protected]
On 6/23/12 10:57 AM, "David Doria" <[email protected]> wrote:
>If I build ITK in the default configuration, a simple program with
>CMakeLists.txt including:
>
>find_package(ITK REQUIRED)
>include(${ITK_USE_FILE})
>
>
>add_executable(TestITK TestITK.cpp)
>target_link_libraries(TestITK ${ITK_LIBRARIES})
>
>
>it works just fine. However, if I rebuild ITK with Module_ITKVtkGlue and
>then try to build the same project, I get lots of
>
>"cannot find -lvtkXYZ" linker errors.
>
>If I add:
>
>find_package(VTK REQUIRED)
>include(${VTK_USE_FILE})
>
>
>
>
>to my project CMakeLists.txt, it works again. Does this make sense? The
>source file that is getting compiled is simply:
>
>int main(int argc, char *argv[])
>{
> return 0;
>}
>
>
>so it should not actually need to link to VTK. Shouldn't CMake be smart
>enough to realize that none of the VTK libraries that ITK was built with
>are needed in this project, so it should let the project build ok without
>referencing VTK at all?
>
>Thanks,
>
>David
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