[MacPorts] #64842: xar @1.8.0.483_3: error: use of undeclared identifier 'XAR_CKSUM_SHA256', 'XAR_CKSUM_SHA512'

[MacPorts]

#64842: xar @1.8.0.483_3: error: use of undeclared identifier 'XAR_CKSUM_SHA256',
'XAR_CKSUM_SHA512'
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  Reporter:  ryandesign  |      Owner:  Schamschula
      Type:  defect      |     Status:  assigned
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:  2.7.2
Resolution:              |   Keywords:  tiger leopard snowleopard lion
      Port:  xar         |  mountainlion mavericks
-------------------------+-------------------------------------------------

Comment (by Schamschula):

 This error is result of eliminating other issues in #64837

 Unfortunately, older OS versions seem to ignore {{{#include "xar.h"}}} in
 {{{xar.c}}} and thus don't have these {{{#define}}} statements.

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Ticket URL: <https://trac.macports.org/ticket/64842#comment:1>
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