[MacPorts] #38570: lua-lpeg @0.11: portfile parse error if lua is not installed

[MacPorts]

#38570: lua-lpeg @0.11: portfile parse error if lua is not installed
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  Reporter:  egall@…   |      Owner:  and.damore@…
      Type:  defect    |     Status:  closed
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:  2.1.3
Resolution:  fixed     |   Keywords:
      Port:  lua-lpeg  |
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Comment (by and.damore@…):

 Replying to [comment:5 larryv@…]:
 > Sorry, I wasn’t clear. You’d use a block like this:
 > {{{
 > pre-build {
 >     build.args-append   LDFLAGS="${configure.ldflags} [exec
 ${prefix}/bin/pkg-config lua --libs]"
 > }
 > }}}

 Ofc, -appending is a proper solution, I'm just too used to patching. Will
 change back to that soon.

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Ticket URL: <https://trac.macports.org/ticket/38570#comment:6>
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