[MacPorts] #42728: autogen @5.17.4_0: autoopts-config produces a stray -R flag, breaks gnutls @3.1.22_0 build

[MacPorts]

#42728: autogen @5.17.4_0: autoopts-config produces a stray -R flag, breaks gnutls
@3.1.22_0 build
-----------------------------+-------------------
  Reporter:  jwhowse4@…      |      Owner:  mww@…
      Type:  defect          |     Status:  new
  Priority:  Normal          |  Milestone:
 Component:  ports           |    Version:  2.2.1
Resolution:                  |   Keywords:
      Port:  autogen gnutls  |
-----------------------------+-------------------

Comment (by egall@…):

 Replying to [comment:11 bkorb@…]:
 >
 > {{{
 > if (eval $ac_link) > /dev/null 2>&1
 > then echo '-R' ; rm -f conftest* ; exit 0 ; fi
 > }}}
 >
 > That's what looks dodgy to me.  I think that should be:
 > {{{
 > if (eval $ac_link) > /dev/null 2>&1
 > then echo '-R${libdir}' ; rm -f conftest* ; exit 0 ; fi
 > }}}
 >
 > I guess I don't use linkers that use that syntax.  If that fix works, it
 will be in the next release.  Thanks!

 Yup, it worked for me. Thanks!

 (I would attach a patch, but I made some other changes to the file that
 might be irrelevant...)

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Ticket URL: <https://trac.macports.org/ticket/42728#comment:13>
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