CMake: Add option to download SUNDIALS at configure time #2331
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Similarly to the netCDF C++ API,
-DBOUT_DOWNLOAD_SUNDIALS=ON
will download and build SUNDIALS as part of the BOUT++ build. This should make it much easier to use SUNDIALS on systems that don't have it installed.Currently needs my (Peter's) fork because the latest release is
missing an
export()
call that allows it to work withFetchContent
.Also a small change to
FindSundials
to make thedownload/non-download options work in the same way