[MacPorts] #66931: libgit2 1.5.1: fails to build on arm64

[MacPorts]

#66931: libgit2 1.5.1: fails to build on arm64
-----------------------+----------------------
  Reporter:  jrabinow  |      Owner:  dbevans
      Type:  defect    |     Status:  assigned
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:  2.8.1
Resolution:            |   Keywords:
      Port:  libgit2   |
-----------------------+----------------------
Changes (by jrabinow):

 * Attachment "libgit2_build_fail.txt" added.

 build log

-- 
Ticket URL: <https://trac.macports.org/ticket/66931>
MacPorts <https://www.macports.org/>
Ports system for macOS