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-- Ray Luo, Ph.D. Professor of Structural Biology/Biochemistry/Biophysics, Chemical Physics, Biomedical Engineering, and Chemical Engineering Department of Molecular Biology and Biochemistry University of California, Irvine, CA 92697-3900 On Sat, Mar 18, 2017 at 11:49 AM, David Case <david.case.rutgers.edu> wrote: > On Fri, Mar 17, 2017, Jason Swails wrote: > >> So the issue here is that by licensing libsander as LGPL, we violate the >> terms of PBSA's GPL license. > > I'd like to ask Jason to help us out of this mess, if he is willing. In the > statement just above, one could replace "PBSA" with "fftw", and illustrate a > similar problem. (In fact, fftw is really at the root of most of our > problems, since we can modify the PBSA license.) > > High-level view: we could change the licenses of anything we have written. > But we also need to be able to create create a GPL code that is allowed > to link to fftw libraries, and at the same time have a sander API and > libsander that non-GPL codes can link to. So it seems like "sander" and > "libsander" have to have different licenses. > > Questions: > > 1. Is there a technical reason why libpbsa and libfftw3 need to be included > into the Makefile target for libsander? (Stated another way: how hard > would it be to eliminate these?) I think the sander API does not expose > either pbsa or rism functionality, yet the symbols for pbsa and fftw are > included in libsander, and I'm wondering if that can be changed. > > 2. Can we separate things in order to be able to make a license > distinction: libsander (and its corresponding source code) could be LGPL, > whereas the sander (as a whole) would be GPL? Alternative: go back > to the old days, where we had separate sander.RISM (would be GPL) and > and sander (would be LGPL) builds. > > We don't necessarily need to get this done for the AmberTools17 release, but > should be trying in good faith to make any required changes. Weaning > ourselves from fftw might be a long-term goal, but would be far from easy. > > Above are just ideas....suggestions are welcome.....dac > > > > _______________________________________________ > AMBER-Developers mailing list > AMBER-Developers.ambermd.org > http://lists.ambermd.org/mailman/listinfo/amber-developers _______________________________________________ AMBER-Developers mailing list AMBER-Developers.ambermd.org http://lists.ambermd.org/mailman/listinfo/amber-developersReceived on Sat Mar 18 2017 - 13:30:02 PDT