[MacPorts] #64262: libuv fails to build for ppc64

[MacPorts]

#64262: libuv fails to build for ppc64
---------------------------+-------------------------------------
  Reporter:  barracuda156  |      Owner:  michaelld
      Type:  defect        |     Status:  assigned
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:  2.7.2
Resolution:                |   Keywords:  powerpc, leopard, ppc64
      Port:  libuv         |
---------------------------+-------------------------------------

Comment (by kencu):

 yeah, the build already sets the compiler correctly:
 {{{
 228     :debug:configure CC='/opt/local/bin/gcc-mp-7'
 239     :debug:configure CXX='/opt/local/bin/g++-mp-7'
 }}}

 so to figure out what is going wrong, you'll need to show us / look in
 here:

 {{{
 :info:configure Log of errors:
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_cmake/cmake/work/cmake-3.22.4-ppc/Bootstrap.cmk/cmake_bootstrap.log
 }}}

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Ticket URL: <https://trac.macports.org/ticket/64262#comment:18>
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