sn6526

fixes #147: SUNDIALS_BLAS_LAPACK not present in sundials 6

3

Tested with scikits.odes 2.7.0 (at commit 57466a97a278f687a6b0a92343b767c495834b31), python 3.11.4, and sundials 6.6.1 compiled against oneMKL 2023.0 Update 2 on Ubuntu 22.04.3 LTS. The test details below were taken from [this](https://github.com/bmcage/odes/issues/97#issuecomment-508741776)...

use oneMKL to provide CPU LAPACK functions

2

_Originally posted by @gardner48 in https://github.com/LLNL/sundials/issues/173#issuecomment-1176270242_ Naively following the first suggestion in #173 by doing something like `cmake ... -DBLA_VENDOR=Intel10_64ilp ...` results in ``` CMake Warning: Manually-specified variables were not...