macos: prepare for notarization
With the public release of macOS 10.14.5, all new and updated kernel
extensions must be notarized by Apple. To be taken into consideration,
all executables must be signed and the Hardened Runtime capability must
be enabled.
This patch adds the missing prerequisites mentioned above.
Change-Id: I2d3ad66cb7ce062b91d0616955f3bc2b06ca5822
Reviewed-on: https://gerrit.openafs.org/13670
Reviewed-by: Cheyenne Wills <cwills@sinenomine.net>
Reviewed-by: Andrew Deason <adeason@sinenomine.net>
Tested-by: Andrew Deason <adeason@sinenomine.net>
Reviewed-by: Benjamin Kaduk <kaduk@mit.edu>