edA-qa mort-ora-y wrote:
Anybody ever see this special wording/clause for Bison?
According to http://www.gnu.org/software/bison/manual/html_mono/bison.html#Conditions it would appear the special clause is placed into Bison's output file. Having never used Bison I can't be sure.
If you download the Bison source and look at the file examples/calc++/calc++-parser.cc you'll find the following beneath the GPL license grant:
/* As a special exception, you may create a larger work that contains part or all of the Bison parser skeleton and distribute that work under terms of your choice, so long as that work isn't itself a parser generator using the skeleton or a modified version thereof as a parser skeleton. Alternatively, if you modify or redistribute the parser skeleton itself, you may (at your option) remove this special exception, which will cause the skeleton and the resulting Bison output files to be licensed under the GNU General Public License without this special exception.
This special exception was added by the Free Software Foundation in version 2.2 of Bison. */
I think that license only applies to the parser skeleton, not the rest of Bison.
Andy