Build: error if solariscc is not found

Build: error if solariscc is not found

Fail configure if the solariscc is not found and give the builder
a message to cope with non-standard installation paths for
sunstudio.

Reviewed-on: http://gerrit.openafs.org/7204
Reviewed-by: Simon Wilkinson <simonxwilkinson@gmail.com>
Reviewed-by: Derrick Brashear <shadow@dementix.org>
Tested-by: BuildBot <buildbot@rampaginggeek.com>
(cherry picked from commit c11d1c031940f298e96def822024d2857f603268)

Change-Id: I123b887a66e8f9bad87144934e9cea62f63f2180
Reviewed-on: http://gerrit.openafs.org/8653
Reviewed-by: Derrick Brashear <shadow@your-file-system.com>
Reviewed-by: Stephan Wiesand <stephan.wiesand@desy.de>
Reviewed-by: Paul Smeddle <paul.smeddle@gmail.com>
Tested-by: BuildBot <buildbot@rampaginggeek.com>