[MacPorts] #43643: How to increase recursive template instantiation depth?

[MacPorts]

#43643: How to increase recursive template instantiation depth?
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 Reporter:  luminans@…                    |      Owner:  macports-tickets@…
     Type:  defect                        |     Status:  new
 Priority:  Normal                        |  Milestone:
Component:  ports                         |    Version:  2.2.1
 Keywords:  template instantiation depth  |       Port:  libpcl
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 I got the following error when I install libpcl:

 :info:build
 /opt/local/include/eigen3/Eigen/src/Core/TriangularMatrix.h:444:5: note:
 use -ftemplate-depth=N to increase recursive template instantiation depth
 :info:build     triangular_assignment_selector<Derived1, Derived2, Mode,
 UnrollCount-1, ClearOpposite>::run(dst, src);
 :info:build     ^
 :info:build 1 error generated.
 :info:build make[2]: ***
 [search/CMakeFiles/pcl_search.dir/src/organized.cpp.o] Error 1
 :info:build make[2]: Leaving directory
 `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_gis_libpcl/libpcl/work/pcl-1.7.1'
 :info:build make[1]: *** [search/CMakeFiles/pcl_search.dir/all] Error 2
 :info:build make[1]: *** Waiting for unfinished jobs....
 :info:build
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_gis_libpcl/libpcl/work/pcl-1.7.1/io/tools/openni_pcd_recorder.cpp:62:29:
 error: use of undeclared identifier '_SC_AVPHYS_PAGES'
 :info:build   uint64_t pages = sysconf (_SC_AVPHYS_PAGES);
 :info:build                             ^
 :info:build 1 error generated.

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Ticket URL: <https://trac.macports.org/ticket/43643>
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