[MacPorts] #38579: RFE: make the aclocal.m4 file in base safe to regenerate with `aclocal`

[MacPorts]

#38579: RFE: make the aclocal.m4 file in base safe to regenerate with `aclocal`
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  Reporter:  egall@…      |      Owner:  macports-tickets@…
      Type:  enhancement  |     Status:  new
  Priority:  Normal       |  Milestone:
 Component:  base         |    Version:  2.1.3
Resolution:               |   Keywords:
      Port:               |
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Comment (by egall@…):

 Actually this is a little more complicated than that; some "underquoted
 macro" problems have to be fixed, too, for it to be safe to run `aclocal`.
 I'll attach a diff next. (After that the "haspatch" keyword can be added)

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Ticket URL: <https://trac.macports.org/ticket/38579#comment:2>
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