[boost] [date_time] building documentation?

Subject: [boost] [date_time] building documentation?
From: James E. King, III (jking_at_[hidden])
Date: 2018-01-12 14:47:27

I cannot build the documentation for Boot.DateTime on the develop tip - I
get an error - am I doing something wrong in the command line or is it just
broken?

jking_at_ubuntu:~/boost/libs/date_time/doc$ ../../../b2 boostdoc
Performing configuration checks

    - default address-model    : 64-bit
    - default architecture     : x86
../xmldoc/Jamfile.v2:54: in modules.load
*** argument error
* rule doxygen ( target : sources + : requirements * : default-build * :
usage-requirements * )
* called with: ( date_time_autodoc :  :
<doxygen:param>ENABLE_PREPROCESSING=NO
<xsl:param>boost.doxygen.reftitle=Date Time Reference
<doxygen.doxproc.title>Date Time Reference
<doxygen.doxproc.id>date_time_reference
)
* missing argument sources
/home/jking/boost/tools/build/src/tools/doxygen.jam:622:see definition of
rule 'doxygen' being called
/home/jking/boost/tools/build/src/build/project.jam:325: in load-jamfile
/home/jking/boost/tools/build/src/build/project.jam:64: in load
/home/jking/boost/tools/build/src/build/project.jam:145: in project.find
/home/jking/boost/tools/build/src/build/targets.jam:401: in find-really
/home/jking/boost/tools/build/src/build/targets.jam:474: in
class_at_project-target.find
/home/jking/boost/tools/build/src/build/targets.jam:858: in
resolve-reference
/home/jking/boost/tools/build/src/build/targets.jam:875: in
targets.generate-from-reference
/home/jking/boost/tools/build/src/build/targets.jam:1226: in
generate-dependencies
/home/jking/boost/tools/build/src/build/targets.jam:1280: in
class_at_basic-target.generate
/home/jking/boost/tools/build/src/build/targets.jam:770: in generate-really
/home/jking/boost/tools/build/src/build/targets.jam:742: in
class_at_main-target.generate
/home/jking/boost/tools/build/src/build-system.jam:796: in load
/home/jking/boost/tools/build/src/kernel/modules.jam:295: in import
/home/jking/boost/tools/build/src/kernel/bootstrap.jam:139: in boost-build
/home/jking/boost/boost-build.jam:17: in module scope