[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 jpmelko):

 There is an error before at aline 98:
 Could not create Makefile

 Here are the results of your commands

 {{{
 titi at Bacchus: Downloads $ port contents xorg-xorgproto | grep xproto.pc
   /opt/local/share/pkgconfig/dmxproto.pc
   /opt/local/share/pkgconfig/xproto.pc
 titi at Bacchus: Downloads $ pkg-config --debug --exists xproto
 Error printing disabled by default due to use of output options --exists,
 --atleast/exact/max-version, --list-all or no output option at all. Value
 of --print-errors: 0
 Error printing disabled
 Adding virtual 'pkg-config' package to list of known packages
 Looking for package 'xproto'
 Looking for package 'xproto-uninstalled'
 Reading 'xproto' from file '/opt/local/share/pkgconfig/xproto.pc'
 Parsing package file '/opt/local/share/pkgconfig/xproto.pc'
   line>prefix=/opt/local
  Variable declaration, 'prefix' has value '/opt/local'
   line>exec_prefix=${prefix}
  Variable declaration, 'exec_prefix' has value '/opt/local'
   line>libdir=${exec_prefix}/lib
  Variable declaration, 'libdir' has value '/opt/local/lib'
   line>includedir=${prefix}/include
  Variable declaration, 'includedir' has value '/opt/local/include'
   line>includex11dir=${prefix}/include/X11
  Variable declaration, 'includex11dir' has value '/opt/local/include/X11'
   line>
   line>Name: Xproto
   line>Description: Xproto headers
   line>Version: 7.0.32
   line>Cflags: -I${includedir}
 Path position of 'xproto' is 2
 Adding 'xproto' to list of known packages


 }}}

-- 
Ticket URL: <https://trac.macports.org/ticket/57237#comment:3>
MacPorts <https://www.macports.org/>
Ports system for macOS