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Question about derived works from GCC

From: James Michael DuPont
Subject: Question about derived works from GCC
Date: Fri, 1 Mar 2002 03:44:04 -0800 (PST)

Dear All,

I would like to put a GPL licence on a derived work
from the GCC.

This GPLd modification would allow for access of all
the data in memory that is stored about any given
program that is being fed as input to the gcc, this
data would be stored in a text file.

Basically all source code input to the GCC will be
treated as output data of this module. 

But the output data format is strongly dependent on
the internal structure of gcc.

Anyone who uses this tool's output will have to be
considered a derived work, and be GPLed. 

Anyone who feeds non-free source through the compiler
can use the data outputted,  but only via tools that
are GPLED. That means that the data outputted is also
covered by a licence and it is free data. Even if its
content is not free.

Does that require any change to the GPL,
or by putting the program under GPL, would that
protect the GCC from usage from non free software?


James Michael DuPont

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