[MacPorts] #38204: Reduce compiler optimization to fix arb runtime crash of fast aligner

[MacPorts]

#38204: Reduce compiler optimization to fix arb runtime crash of fast aligner
---------------------------------+--------------------------------
 Reporter:  matt.cottrell@…      |      Owner:  macports-tickets@…
     Type:  defect               |     Status:  new
 Priority:  Normal               |  Milestone:
Component:  ports                |    Version:  2.1.3
 Keywords:  maintainer haspatch  |       Port:  arb
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 Users of the arb port have reported a runtime crash in the DNA sequence
 fast aligner.  The attached patches work around that crash by reducing the
 level of compiler optimization from -O4 to -O0.  The upstream developers
 are aware of the problem and are working on a long term solution that will
 appear in their next arb release.  The attached patches make it possible
 for all arb 5.5 users to get their work done using MacPorts.

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Ticket URL: <https://trac.macports.org/ticket/38204>
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