fix the cmake magic to enable backwards compatibility for the category interface (!94) · Merge requests · Core Modules / dune-istl

Christian Engwer requested to merge feature/fix-cmake-magic-for-category-interface into master May 08, 2017

when DUNE_ISTL_SUPPORT_OLD_CATEGORY_INTERFACE is defined, we allow operators, precoditioners etc without the category method. There was a bug in the cmake magic, which was supposed to enable this define by default.

This should also fix #29 (closed) and is related to pdelab/dune-pdelab!250 (merged).

fix the cmake magic to enable backwards compatibility for the category interface

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