BIND 10 #1041: BIND10 build fails if a directory in the path has spaces

[BIND 10 Development]

#1041: BIND10 build fails if a directory in the path has spaces
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                   Reporter:  cas    |                 Owner:  vorner
                       Type:         |                Status:  reviewing
  defect                             |             Milestone:
                   Priority:  major  |  Sprint-20110830
                  Component:         |            Resolution:
  configuration                      |             Sensitive:  0
                   Keywords:         |           Sub-Project:  Core
            Defect Severity:         |  Estimated Difficulty:  3.0
  Medium                             |           Total Hours:  0
Feature Depending on Ticket:         |
        Add Hours to Ticket:  0      |
                  Internal?:  0      |
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Comment (by vorner):

 Hello

 Replying to [comment:14 jelte]:
 > I didn't use -q because it is not supported on all systems (even though
 it's part of posix, our default solaris grep doesn't support it, for
 instance. posix my %ss).

 Ah, crap.

 We could use test -z "`echo | grep`" instead to avoid using any
 parameters, but it's not important.

 > I'm sure we can come up with a cleaner one than my proposal, but I must
 say I am not a fan of the second either, it makes misuse of being badly
 quoted, which I understand is the exact goal, but relying on such an error
 failing nicely as it were sounds brittle IMO

 OK, I see. We could try to sandbox the shell failing somehow (eg. running
 it in subshell and redirecting its outputs, etc), but that sounds an
 overkill anyway for a thing that will fail anyway. Whoever has newlinest
 and {{{`rm -rf /`}}} in the path deserves the punishment.

 So, let's merge your version.

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Ticket URL: <http://bind10.isc.org/ticket/1041#comment:15>
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