[MacPorts] #64575: barrier: pkg-config tool not found

[MacPorts]

#64575: barrier: pkg-config tool not found
------------------------+----------------------
 Reporter:  ryandesign  |      Owner:  ryanakca
     Type:  defect      |     Status:  assigned
 Priority:  Normal      |  Milestone:
Component:  ports       |    Version:  2.7.1
 Keywords:              |       Port:  barrier
------------------------+----------------------
 https://build.macports.org/builders/ports-10.8_x86_64-builder/builds/79339/steps
 /install-port/logs/stdio
 {{{
 -- Could NOT find PkgConfig (missing: PKG_CONFIG_EXECUTABLE)
 -- Found GTest: /opt/local/lib/cmake/GTest/GTestConfig.cmake (found
 version "1.11.0")
 CMake Error at /opt/local/share/cmake-3.22/Modules/FindPkgConfig.cmake:659
 (message):
   pkg-config tool not found
 }}}

-- 
Ticket URL: <https://trac.macports.org/ticket/64575>
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