Bug#875899: licensecheck cannot detect MIT variant license

[Russ Allbery]

Dominique Dumont <dod at debian.org> writes:

> $ head -15 3rdparty/libatomic_ops/src/atomic_ops/sysdeps/gcc/mips.h
> /*
>  * Copyright (c) 2005,2007  Thiemo Seufer <ths at networkno.de>
>  *
>  * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED
>  * OR IMPLIED.  ANY USE IS AT YOUR OWN RISK.
>  *
>  * Permission is hereby granted to use or copy this program
>  * for any purpose,  provided the above notices are retained on all copies.
>  * Permission to modify the code and to distribute modified code is granted,
>  * provided the above notices are retained, and a notice that the code was
>  * modified is included with the above copyright notice.
>  */
> $ licensecheck 3rdparty/libatomic_ops/src/atomic_ops/sysdeps/gcc/mips.h
> 3rdparty/libatomic_ops/src/atomic_ops/sysdeps/gcc/mips.h: UNKNOWN

> The license from this file is documented on Fedora [1] as a MIT variant.

> Could you update licensecheck regexp to accept this variant ?

This is not an MIT license variant.  It requires a notice be added that
the code has been modified, which is a substantive requirement not present
in any MIT licenses variant.

I would consider this a unique and separate license.

-- 
Russ Allbery (rra at debian.org)               <http://www.eyrie.org/~eagle/>