chieftec$ /usr/pkg/share/chromium-depot_tools/gclient sync 
Syncing projects: 100% (78/78), done.                                      

________ running '/usr/pkg/bin/python2.7 src/build/landmines.py' in '/public/chromium'
Traceback (most recent call last):
  File "src/build/landmines.py", line 148, in <module>
    sys.exit(main())
  File "src/build/landmines.py", line 132, in main
    if landmine_utils.builder() in ('dump_dependency_json', 'eclipse'):
  File "/public/chromium/src/build/landmine_utils.py", line 20, in inner
    ret = func()
  File "/public/chromium/src/build/landmine_utils.py", line 120, in builder
    assert False, 'Don\'t know what builder we\'re using!'
AssertionError: Don't know what builder we're using!
Error: Command '/usr/pkg/bin/python2.7 src/build/landmines.py' returned non-zero exit status 1 in /public/chromium