LZMA SDK is licensed under two licenses:
  1) GNU Lesser General Public License (GNU LGPL)
  2) Common Public License (CPL)
  It means that you can select one of these two licenses and 
  follow rules of that license.

  SPECIAL EXCEPTION:
  Igor Pavlov, as the author of this Code, expressly permits you to 
  statically or dynamically link your Code (or bind by name) to the 
  interfaces of this file without subjecting your linked Code to the 
  terms of the CPL or GNU LGPL. Any modifications or additions 
  to this file, however, are subject to the LGPL or CPL terms.