BIND 10 #1665: check for pkg-config early

[BIND 10 Development]

#1665: check for pkg-config early
-------------------------------------+-------------------------------------
            Reporter:  jreed         |                        Owner:
                Type:  defect        |  UnAssigned
            Priority:  minor         |                       Status:  new
           Component:  build system  |                    Milestone:  New
           Sensitive:  0             |  Tasks
         Sub-Project:  Core          |                     Keywords:
Estimated Difficulty:  0             |              Defect Severity:  N/A
         Total Hours:  0             |  Feature Depending on Ticket:
                                     |          Add Hours to Ticket:  0
                                     |                    Internal?:  0
-------------------------------------+-------------------------------------
 configure.ac uses pkg-config and even checks for it in different places.
 So check for it earlier.

 Actually it is only needed for the sqlite3 check. It is not forced for
 botan if though it checks for it. So when sqlite3 becomes optional maybe
 this ticket doesn't matter.

-- 
Ticket URL: <http://bind10.isc.org/ticket/1665>
BIND 10 Development <http://bind10.isc.org>
BIND 10 Development