[tor-bugs] #19554 [Core Tor/Tor]: Require libevent >= 2

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#19554: Require libevent >= 2
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 Reporter:  Sebastian     |          Owner:
     Type:  defect        |         Status:  new
 Priority:  Medium        |      Milestone:  Tor: 0.3.0.x-final
Component:  Core Tor/Tor  |        Version:
 Severity:  Normal        |     Resolution:
 Keywords:                |  Actual Points:
Parent ID:                |         Points:
 Reviewer:                |        Sponsor:
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Comment (by Sebastian):

 Branch libevent2 in my repository. It raises the required version to
 2.0.10-stable or above. The rationale for not going with >2 .0.1 or even
 just > 2 is that this allows us to simplify a bunch more checks and all
 the distributions I've found all have at least 2.0.16. I didn't want to
 raise the dependency to 2.0.16 in case I missed anything, but 2.0.10 is
 the first stable release in the libevent release series.

 I want to particularly highlight the "delete wrong comments" commit,
 because maybe the one comment I removed is not actually wrong. In that
 case maybe the behaviour of the function is strange and we should fix it.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/19554#comment:1>
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