On 03/27/2012 03:43 PM, Akim Demaille wrote: > > Well, I would live happily with grep -E 'f?lex 2\.5\.35' actually, > I don't care much about older flexes. Newer ones can be treated > when needed, and that's not in a foreseeable future. > > WDYT? > What about going for a proper feature check in true autotools style? I.e., try $LEX on an input that is known to work with modern flexes and to trip non-flex lexers.
Regards, Stefano
