osquery @4.3.0: error: initializer 'level' does not name a non-static data member or base class; did you mean the member 'level_'?

[rupertleveneucd]

osquery doesn't build for me on OS X High Sierra:

:info:build /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_sysutils_osquery/osquery/work/osquery-4.3.0/libraries/cmake/source/boost/src/libs/iostreams/src/lzma.cpp:78:33: error: initializer 'level' does not name a non-static data member or base class; did you mean the member 'level_'?
:info:build     : stream_(new lzma_stream), level(lzma::default_compression)
:info:build                                 ^~~~~
:info:build                                 level_
:info:build /opt/local/include/boost/iostreams/filter/lzma.hpp:177:14: note: 'level_' declared here
:info:build     uint32_t level_;
:info:build              ^
:info:build /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_sysutils_osquery/osquery/work/osquery-4.3.0/libraries/cmake/source/boost/src/libs/iostreams/src/lzma.cpp:120:38: error: use of undeclared identifier 'level'; did you mean 'level_'?
:info:build                 lzma_easy_encoder(s, level, LZMA_CHECK_CRC32) :
:info:build                                      ^~~~~
:info:build                                      level_
:info:build /opt/local/include/boost/iostreams/filter/lzma.hpp:177:14: note: 'level_' declared here
:info:build     uint32_t level_;
:info:build              ^
:info:build /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_sysutils_osquery/osquery/work/osquery-4.3.0/libraries/cmake/source/boost/src/libs/iostreams/src/lzma.cpp:135:5: error: use of undeclared identifier 'level'; did you mean 'level_'?
:info:build     level = p.level;
:info:build     ^~~~~
:info:build     level_
:info:build /opt/local/include/boost/iostreams/filter/lzma.hpp:177:14: note: 'level_' declared here
:info:build     uint32_t level_;
:info:build              ^
:info:build 3 errors generated.
:info:build make[2]: *** [libs/src/boost/CMakeFiles/thirdparty_boost_iostreams.dir/src/libs/iostreams/src/lzma.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_sysutils_osquery/osquery/work/build'
:info:build make[1]: *** [libs/src/boost/CMakeFiles/thirdparty_boost_iostreams.dir/all] Error 2
:info:build make[1]: *** Waiting for unfinished jobs....