itk: add MINC file support (#29470)

var/spack/repos/builtin/packages/itk/package.py

@@ -32,6 +32,8 @@ class Itk(CMakePackage):
     variant('review', default=False, description='enable modules under review')
     variant('rtk', default=False,
             description='build the RTK (Reconstruction Toolkit module')
+    variant('minc', default=False,
+            description='enable support for MINC files')
 
     # TODO: This will not work if the resource is pulled from a spack mirror.
     # The build process will checkout the appropriate commit but it needs to be
@@ -70,6 +72,8 @@ def cmake_args(self):
             force('ITK_USE_MKL', use_mkl),
             from_variant('Module_ITKReview', 'review'),
             from_variant('Module_RTK', 'rtk'),
+            from_variant('Module_ITKIOMINC', 'minc'),
+            from_variant('Module_ITKIOTransformMINC', 'minc')
         ]
 
         if not use_mkl: