Bug#802706: slepc: FTBFS: Unable to link with PETSc

[Santiago Vila]

found 802706 3.7.3+dfsg1-3
thanks

Hi.

Sorry for the reopening but this is happening again in stretch.
(I built this package 200 times, and it failed 200 times).

Build logs available here:

https://people.debian.org/~sanvila/build-logs/slepc/

Thanks.