MacPorts 2.9.3 on macOS 10.13.2 draco 1.5.7 failed to build

[Nicob73]

:info:build [ 34%] Building CXX object CMakeFiles/draco_scene.dir/src/draco/scene/scene.cc.o :info:build /usr/bin/clang++ -DDRACO_CMAKE=1 -DDRACO_FLAGS_SRCDIR=\"/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_archivers_draco/draco/work/draco-1.5.7\" -DDRACO_FLAGS_TMPDIR=\"/tmp\" -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -I/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_archivers_draco/draco/work/draco-1.5.7 -I/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_archivers_draco/draco/work/draco-1.5.7/src -I/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_archivers_draco/draco/work/build -I/opt/local/include/eigen3 -I/opt/local/include/ghc -I/opt/local/include -pipe -Os -DNDEBUG -I/opt/local/include -stdlib=libc++ -std=gnu++1z -arch x86_64 -mmacosx-version-min=10.13 -fPIC -Wno-deprecated-declarations -MD -MT CMakeFiles/draco_scene.dir/src/draco/scene/scene.cc.o -MF CMakeFiles/draco_scene.dir/src/draco/scene/scene.cc.o.d -o CMakeFiles/draco_scene.dir/src/draco/scene/scene.cc.o -c /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_archivers_draco/draco/work/draco-1.5.7/src/draco/scene/scene.cc :info:build In file included from /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_archivers_draco/draco/work/draco-1.5.7/src/draco/core/draco_test_utils.cc:15: :info:build In file included from /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_archivers_draco/draco/work/draco-1.5.7/src/draco/core/draco_test_utils.h:28: :info:build In file included from /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_archivers_draco/draco/work/draco-1.5.7/src/draco/io/scene_io.h:26: :info:build In file included from /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_archivers_draco/draco/work/draco-1.5.7/src/draco/scene/scene.h:28: :info:build In file included from /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_archivers_draco/draco/work/draco-1.5.7/src/draco/scene/instance_array.h:25: :info:build In file included from /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_archivers_draco/draco/work/draco-1.5.7/src/draco/scene/trs_matrix.h:21: :info:build In file included from /opt/local/include/eigen3/Eigen/Geometry:11: :info:build In file included from /opt/local/include/eigen3/Eigen/Core:162: :info:build /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:504:25: error: no type named 'invoke_result' in namespace 'std' :info:build typedef typename std::invoke_result<F, ArgTypes...>::type type1; :info:build ^{:info:build /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:504:38: error: expected member name or ';' after declaration specifiers :info:build typedef typename std::invoke_result<F, ArgTypes...>::type type1; :info:build ~} :info:build /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:505:31: error: use of undeclared identifier 'type1' :info:build typedef typename remove_all<type1>::type type; :info:build ^{:info:build /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:505:39: error: non-friend class member 'type' cannot have a qualified name :info:build typedef typename remove_all<type1>::type type; :info:build} :info:build /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:505:39: error: typedef declarator cannot be qualified :info:build typedef typename remove_all<type1>::type type; :info:build ^{:info:build /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:505:43: error: expected ';' at end of declaration list :info:build typedef typename remove_all<type1>::type type; :info:build} :info:build ; :info:build /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:616:20: error: no template named 'invoke_result' in namespace 'std'; did you mean '::Eigen::internal::invoke_result'? :info:build typedef typename std::invoke_result<F, ArgTypes...>::type type1; :info:build ^{~ :info:build ::Eigen::internal::invoke_result :info:build /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:615:8: note: '::Eigen::internal::invoke_result' declared here :info:build struct invoke_result { :info:build} :info:build /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:616:56: error: no type named 'type' in 'invoke_result<F, ArgTypes...>' :info:build typedef typename std::invoke_result<F, ArgTypes...>::type type1; :info:build ~^{~ :info:build /Library/Developer/CommandLineTools/usr/bin/make -f CMakeFiles/draco_gtest_main.dir/build.make CMakeFiles/draco_gtest_main.dir/depend :info:build make[2]: Entering directory `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_archivers_draco/draco/work/build' :info:build cd /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_archivers_draco/draco/work/build && /opt/local/bin/cmake -E cmake_depends "Unix Makefiles" /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_archivers_draco/draco/work/draco-1.5.7 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_archivers_draco/draco/work/draco-1.5.7 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_archivers_draco/draco/work/build /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_archivers_draco/draco/work/build /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_archivers_draco/draco/work/build/CMakeFiles/draco_gtest_main.dir/DependInfo.cmake "--color=" :info:build 8 errors generated.}

Conflict with eigen3 port