scons compiledb generated-sources

Building compilation database compile_commands.json

scons: done building targets.

NotImplementedError: :

  File "/usr/lib/python2.7/site-packages/SCons/Script/Main.py", line 1374:

    _exec_main(parser, values)

  File "/usr/lib/python2.7/site-packages/SCons/Script/Main.py", line 1337:

    _main(parser)

  File "/usr/lib/python2.7/site-packages/SCons/Script/Main.py", line 1102:

    nodes = _build_targets(fs, options, targets, target_top)

  File "/usr/lib/python2.7/site-packages/SCons/Script/Main.py", line 1299:

    jobs.run(postfunc = jobs_postfunc)

  File "/usr/lib/python2.7/site-packages/SCons/Job.py", line 111:

    self.job.start()

  File "/usr/lib/python2.7/site-packages/SCons/Job.py", line 216:

    task.executed()

  File "/usr/lib/python2.7/site-packages/SCons/Script/Main.py", line 235:

    SCons.Taskmaster.OutOfDateTask.executed(self)

  File "/usr/lib/python2.7/site-packages/SCons/Taskmaster.py", line 310:

    t.release_target_info()

  File "/usr/lib/python2.7/site-packages/SCons/Node/FS.py", line 3009:

    self.changed(allowcache=True)

  File "/usr/lib/python2.7/site-packages/SCons/Node/FS.py", line 3260:

    has_changed = SCons.Node.Node.changed(self, node)

  File "/usr/lib/python2.7/site-packages/SCons/Node/__init__.py", line 1442:

    if _decider_map[child.changed_since_last_build](child, self, prev_ni):

  File "/usr/lib/python2.7/site-packages/SCons/Node/__init__.py", line 265:

    raise NotImplementedError

scons compiledb  8.53s user 0.17s system 99% cpu 8.719 total