ledger failed to install

[arademaker (Alexandre Rademaker)]

---> Building ledger Error: Failed to build ledger: command execution failed Error: See /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_finance_ledger/ledger/main.log for details. Error: Follow ​https://guide.macports.org/#project.tickets to report a bug. Error: Processing of port ledger failed urca:data arademaker$ less /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_finance_ledger/ledger/main.log

the end of the log:

:info:build [ 77%] Building CXX object src/CMakeFiles/libledger.dir/utils.cc.o
:info:build make[2]: *** No rule to make target `/usr/local/lib/libboost_date_time-mt.dylib', needed by `libledger.3.dylib'.  Stop.
:info:build make[2]: *** Waiting for unfinished jobs....
:info:build [ 79%] Building CXX object src/CMakeFiles/libledger.dir/wcwidth.cc.o
:info:build make[1]: *** [src/CMakeFiles/libledger.dir/all] Error 2
:info:build make: *** [all] Error 2
:info:build acprep: ERROR: Execution failed: make all -j4
:info:build Command failed:  cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_finance_ledger/ledger/work/ledger-3.1.1" && /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_finance_ledger/ledger/work/ledger-3.1.1/acprep opt make -j4 all
:info:build Exit code: 1
:error:build Failed to build ledger: command execution failed
:debug:build Error code: CHILDSTATUS 35853 1
:debug:build Backtrace: command execution failed
:debug:build     while executing
:debug:build "system {*}$notty {*}$nice $fullcmdstring"
:debug:build     invoked from within
:debug:build "command_exec build"
:debug:build     (procedure "portbuild::build_main" line 8)
:debug:build     invoked from within
:debug:build "$procedure $targetname"
:error:build See /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_finance_ledger/ledger/main.log for details.