[MacPorts] #57237: Configuring rb-rcairo fails (on Mojave)

[MacPorts]

#57237: Configuring rb-rcairo fails (on Mojave)
------------------------+----------------------
  Reporter:  jpmelko    |      Owner:  kimuraw
      Type:  defect     |     Status:  assigned
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:
Resolution:             |   Keywords:
      Port:  rb-rcairo  |
------------------------+----------------------

Comment (by kimuraw):

 In [changeset:"6cf3dda10a2afbd7f8bc8b3137c840bd460eb4aa/macports-ports"
 6cf3dda10a2afbd7f8bc8b3137c840bd460eb4aa/macports-ports] (master):
 {{{
 #!ConfigurableCommitTicketReference repository="macports-ports"
 revision="6cf3dda10a2afbd7f8bc8b3137c840bd460eb4aa"
 ruby/rb-rcairo: fix possible build failure

 add PKG_CONFIG_PATH to avoild error from missing xproto.pc at configure.
 see https://trac.macports.org/ticket/57237
 }}}

-- 
Ticket URL: <https://trac.macports.org/ticket/57237#comment:4>
MacPorts <https://www.macports.org/>
Ports system for macOS