[CMake] [ITK-dev] Can't build using NINJA with ITKDCMTK/ITKIODCMTK turned on.

[Brad King]

On 10/23/2014 01:32 PM, Williams, Norman K wrote:
> it fails immediately because the targets in Modules/IO/DCMTK depend
> on non-existent DCMTK libraries.

This cannot be solved cleanly without addressing these issues:

 https://github.com/martine/ninja/issues/760#issuecomment-46540858
 http://www.cmake.org/Bug/view.php?id=14963#c36130

Currently the only way to build an ExternalProject cleanly
with Ninja is if the outer project contains nothing except
custom commands/targets, i.e. a superbuild that does both
DCMTK and ITK as external projects.

-Brad