[MacPorts] #47949: gringo 4.4 does not compile: no usable C++ compiler found

[MacPorts]

#47949: gringo 4.4 does not compile: no usable C++ compiler found
---------------------------+--------------------------------
 Reporter:  damien.pous@…  |      Owner:  macports-tickets@…
     Type:  defect         |     Status:  new
 Priority:  Normal         |  Milestone:
Component:  ports          |    Version:  2.3.3
 Keywords:                 |       Port:  gringo
---------------------------+--------------------------------
 {{{
 :info:build Checking for re2c... yes
 :info:build Checking whether the C++ compiler works... no
 :info:build error: no usable C++ compiler found
 :info:build Command failed:  cd
 "/opt/local/var/macports/build/_opt_local_var_ma
 cports_sources_rsync.macports.org_release_ports_math_gringo/gringo/work/gringo-4
 .4.0-source" && scons --build-dir=release gringo clingo
 :info:build Exit code: 1
 }}}

 Failing build log is attached.
 I am running Mac OS 10.6.8.
 Macports installed gringo without any problem on a more recent machine,
 but I think I did not have to compile it locally.

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Ticket URL: <https://trac.macports.org/ticket/47949>
MacPorts <https://www.macports.org/>
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