I ran into this working through this bug:
https://itk.icts.uiowa.edu/jira/browse/ITK-2859
Turns out Micah Chambers was right; it segfaults. I finally figured out
what the problem was: he does this:
find_package(ITK REQUIRED)
if(NOT ITK_FOUND)
message(FATAL_ERROR "Cannot build without ITK. Please set ITK_DIR.")
endif(NOT ITK_FOUND)
without doing this:
include(${ITK_USE_FILE})
This is kind of baffling to me, but there's a lot of crazy computer
science-y thingies going on under the covers with how the CMake
configuration works.
I will say this: It's kind of scary that the find_package succeeds, and
the compilation and linking works without complaint, but without the
UseITK.cmake the program craps itself if it tries to read or write a file.
Is this an intended behavior? Is there a way that CMake could be forced
to either do the work of UseITK.cmake, or complain if it isn't included?
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