On 16-02-2012, at 12:31, Hans W Borchers wrote: > ACM Software Copyright and License Agreement > > I have often seen the use of routines from the ACM Collected Algorithms, i.e. > <netlib.org/toms/> (CALGO, or Trans. On Math. Software, TOMS), in Open Source > programs, maybe also in some R packages
I use a modified version of portions of Algorithm 686 (22 years old)(Fortran for updating a QR decomposition) in my package nleqslv, which is distributed under GPL>=2. > --- and sometimes these programs are > distributed under the GPL license, sometimes under proprietary licenses, e.g. > in Scilab. > > The use of these CALGO programs is subject to the ACM Software Copyright and > License Agreement <www.acm.org/publications/policies/softwarecrnotice> which > includes the following paragraph: > > **Commercial Use** > Any User wishing to make a commercial use of the Software must contact > ACM at permissi...@acm.org to arrange an appropriate license. Commercial > use includes > (1) integrating or incorporating all or part of the source code into a > product for sale or license by, or on behalf of, User to third parties, or > (2) distribution of the binary or source code to third parties for use > with a commercial product sold or licensed by, or on behalf of, User. > > I assume that this license extension is not compatible with GPL, but I may be > wrong here. So my question is: Can software from the ACM Collected Algorithms > be distributed under a GPL-compatible licence, and how to formulate and where > to put such a license extension. So I am certainly interested in what experts have to say about this. Berend ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.