[tor-bugs] #23881 [Core Tor/Tor]: Implement a way to utilise tor's logging system from Rust code

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#23881: Implement a way to utilise tor's logging system from Rust code
-------------------------------------------------+-------------------------
 Reporter:  isis                                 |          Owner:  isis
     Type:  enhancement                          |         Status:
                                                 |  reopened
 Priority:  High                                 |      Milestone:  Tor:
                                                 |  0.3.3.x-final
Component:  Core Tor/Tor                         |        Version:
 Severity:  Normal                               |     Resolution:
 Keywords:  rust, rust-pilot, review-group-29,   |  Actual Points:
  review-group-34                                |
Parent ID:                                       |         Points:  3
 Reviewer:  nickm                                |        Sponsor:
                                                 |  SponsorM-can
-------------------------------------------------+-------------------------
Changes (by isis):

 * status:  closed => reopened
 * resolution:  implemented =>


Comment:

 Clang builds are [https://travis-
 ci.org/isislovecruft/tor/jobs/355600626#L1373 failing] on Travis because
 of `-Wmissing-variable-definitions`:

 {{{
 src/common/log.c:57:11: error: no previous extern declaration for non-
 static
       variable 'LOG_WARN_' [-Werror,-Wmissing-variable-declarations]
 const int LOG_WARN_ = LOG_WARN;
 }}}

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/23881#comment:49>
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