It would simplify if the supported Bison skeleton files were distributed under the same copyright. The unsupported skeleton files, if any, should be put in a special place, either in the distribution, or outside it, I think.
At 12:50 -0800 2005/03/09, Paul Hilfinger wrote: >In fact, this issue did get discussed when the GLR skeleton got >introduced, and the language (or lack of it) is, AIR, deliberate on >the part of the lead maintainers at the time. On consideration, I >would prefer that the same terms apply to all skeletons as now apply >to the C LALR(1) skeleton. I think that there does come a point at >which copylefting becomes shooting oneself in the foot. > >The best presentation I've seen of the GPL for the corporate audience >goes something like this: > > If your lawyer takes a look at the GPL, he should say something > like, "Hmm, well this appears to be a pretty ordinary license that > allows us to use this software under certain conditions. > Hello---my word, these conditions certainly are liberal. > Apparently, we don't have to pay any royalties (unlike your typical > Microsoft license), we are free to reverse engineer (unlike your > typical Microsoft license), to examine the source (UYTML), > to modify (UYTML), to redistribute (UYTML), and even to > publicly vilify (UYTML)." > >How strange then that use of the OUTPUT from using such a program >should be more strictly controlled than is the output of MS Word! > >In short, I am strongly in favor of making the terms of use for Bison >output uniformly liberal across skeletons. > >Paul Hilfinger > > > > This is most likely an error: The other skeleton files did not exist at the > > time that stuff was written. Akim Demaille is resposnible for the C++ file > > and Paul Hilfinger for the GLR file. They probably forgot to insert the > > correct copyright. If so, this is a Bug-Bison issue. > > > > At 14:28 +0100 2005/03/09, Michel Rosien wrote: > > > Hello, =A0 I have read the "Conditions for Using Bison" on page 3 of t >h= > > e > > Bison 2.0 documentation. The first lines say: =A0 <quote> As of Bison versio >n > > 1.24, we have changed the distribution terms for yyparse to permit using > > Bison's output in nonfree programs when Bison is generating C code for > > LALR(1) parsers <end quote> =A0 Does this mean that=A0this only applies when > > using the skeleton file=A0yacc.c and that this NOT applies when using the > > skeleton files glr.c or lalr1.cc? This would mean that you can not make glr > > parsers (%glr-parser) or c++ parsers if you want to use the output in > > nonfree programs. =A0 The last lines of the "Conditions for using Bison" > > mention: <quote> You can tell whether the exception applies to your '.c' > > output file by inspecting it to see whether it says "As a special > > exception, when this file is copied by Bison into a Bison output file, you > > may use that output file without restriction." <end quote> =A0 If I inspect > > the skeleton files yacc.c , glr.c and lalr1.cc I see that only yacc.c > > contains this text. =A0 Is this correct? If so, could you explain why this > > distinction is made? =A0 Regards, =A0 > > --Michel_______________________________________________ > > >Help-bison@gnu.org http://lists.gnu.org/mailman/listinfo/help-bison > > > > > > _______________________________________________ Help-bison@gnu.org http://lists.gnu.org/mailman/listinfo/help-bison
