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Re: CERN root

Bas Zoetekouw wrote:

> You wrote:
>> The license is at http://root.cern.ch/root/License.html. I'm assuming the
>> specific cause of concern is:
>> "Additionally, the authors grant permission to modify this software and its
>> documentation for any purpose, provided that such modifications are not
>> distributed without the explicit consent of the authors"
> Even worse, it apparently links against Xclass (LGPL) and Cernlib (GPL)
> libraries[1], while the above license it clearly GPL- (and possibly(?) LGPL-)
> incompatible.  Theredore, it cannot even be legally distributed.
> [1] http://www.princeton.edu/~kmccarty/physics-software-rant.html

Just a nitpick -- I'm the author of the referenced page, so maybe this
is my own fault for being unclear.  The situation is even a bit worse
than this: Root doesn't just link against Xclass or Cernlib, it actually
*includes derived code* from them.  And it can't be trivially removed or
rewritten -- Xclass-derived code provides the core of the GUI, and
Cernlib-derived code (MINUIT) provides the core of the function fitter.

Kevin B. McCarty <kmccarty@princeton.edu>   Physics Department
WWW: http://www.princeton.edu/~kmccarty/    Princeton University
GPG public key ID: 4F83C751                 Princeton, NJ 08544

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