Re: Recommendation for a CL data structures library

[Alan Mackenzie]

In gnu.misc.discuss Thomas A. Russ <tar@sevak.isi.edu> wrote:
> David Kastrup <dak@gnu.org> writes:

>> Raffael Cavallaro <raffaelcavallaro@pas.espam.s.il.vous.plait.mac.com>
>> writes:

>> > Mac OS X *is* descended from 4.4 BSD for normal definitions of "is."

>> Not really.  Darwin may be, but all the graphical folderol running on
>> it is rather descended (or written new) from older MacOS code not
>> based on BSD.

> Well, actually, a fair bit of the graphical code on OS X comes from the
> NeXT operating system and graphics library.  The older MacOS code has
> slowly been dropped from the Mac OS over the years.

> (The classic Mac OS actually used a Pascal interface.  The current Mac
> OS uses Objective C.)

Objective-C shows the advantages of the GPL.  Since the writers of the
compiler, NeXT, wanted to use GCC's backend, they had to make their
frontend GPL'd too.  As a result, there exists a public Objective-C
compiler, and that has done neither NeXT nor Apple any disfavours.

-- 
Alan Mackenzie (Nuremberg, Germany).