[tor-bugs] #15053 [Tor]: Improve out-of-tree builds

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#15053: Improve out-of-tree builds
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     Reporter:  cypherpunks  |      Owner:
         Type:  defect       |     Status:  new
     Priority:  normal       |  Milestone:  Tor: 0.2.7.x-final
    Component:  Tor          |    Version:  Tor: unspecified
   Resolution:               |   Keywords:  build 026-backport
Actual Points:               |  Parent ID:
       Points:               |
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Comment (by cypherpunks):

 Replying to [comment:2 nickm]:
 > >Is it necessary for the updateVersions script to be run on every
 configure?
 >
 > Hrm, maybe not.  Is this the only issue here?
 >
 > We *do* use out-of-tree builds as a part of our build process; make
 distcheck usually complains if there's undeleted stuff.  What files are
 you seeing?
 This whole endeavor started with the command line argument test failing
 (removed now in #14806) because of a hash mismatch (maybe an argument for
 keeping `--digests` as discussed in #14742?). Turns out i did an in-tree
 compilation before doing `make distclean` and going out-of-tree. This left
 `src/or/or_sha1.i` in the source tree while also being created in the out-
 of-tree. However, the source tree has preference over out-of-tree during
 compilation resulting in the inclusion of the file with the old hashes.

 Another file is `micro-revision.tmp` which is created when a `make` is
 executed more than once. This is caused by an error in the make rule for
 `micro-revision.i`. The temporary file is not removed with `make
 distclean`.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/15053#comment:4>
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