Re: [PATCH] tcg/LICENSE: Remove no-longer-true statement that TCG is BSD-licensed

[Richard Henderson]

On 10/21/19 7:58 AM, Peter Maydell wrote:
> Since 2008 the tcg/LICENSE file has not changed: it claims that
> everything under tcg/ is BSD-licensed.
> 
> This is not true and hasn't been true for years: in 2013 we
> accepted the tcg/aarch64 target code under a GPLv2-or-later
> license statement. We don't really consider the tcg
> subdirectory to be a distinct part of QEMU anyway.
> 
> Remove the LICENSE file, since claiming false information
> about the license of the code is confusing, and update
> the main project LICENSE file also to be clearer about
> the license used by TCG.
> 
> Signed-off-by: Peter Maydell <address@hidden>
> ---
> This patch takes the simple approach of just documenting
> the de-facto current reality; does anybody want to argue
> for something else? Other possibilities I guess would be
> specifically documenting tcg/aarch64 as an accidental
> exception to the general licensing rule for tcg/, or even
> trying to get it relicensed.
> 
> Does having tcg/ be BSD-licensed gain the project anything?
> From my point of view I don't really see it as a cleanly
> separable module of code -- it's quite tightly integrated
> with the rest of QEMU, including code in accel/tcg which
> is variously GPL or LGPL.

I think this is the best solution.  I've never been convinced that TCG can
usefully be extracted and reused for something else.

Reviewed-by: Richard Henderson <address@hidden>


r~