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Mail Archives: djgpp/1999/08/01/14:35:13

Date: Sun, 1 Aug 1999 11:38:55 +0300 (IDT)
From: Eli Zaretskii <eliz AT is DOT elta DOT co DOT il>
X-Sender: eliz AT is
To: Peter Palotas <blizzar AT hem1 DOT passagen DOT se>
cc: djgpp AT delorie DOT com
Subject: Re: Copyright of flex?
In-Reply-To: <37a1ebdb.12650683@news.tripnet.se>
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Reply-To: djgpp AT delorie DOT com
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On Fri, 30 Jul 1999, Peter Palotas wrote:

> I'm wondering what the copyright on flex is? (Or where it is
> perhaps)...
> 
> Is it the same as Bison, i.e. that you can't use it without making all
> of your code GPL? 

From section 19.1 of the DJGPP FAQ list:

  Two GNU packages, `Flex' and `Bison', are also special in that using them to
  produce your programs doesn't place your programs under GPL or LGPL.  In
  other words, lexers produced by `Flex' and parsers produced by `Bison' do
  *not* imply GPL/LGPL.

So neither Bison nor Flex place the code you produce with them under
GPL.

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