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Re:The secret call to Andy Grove that may have helped Apple ... by enf on Wednesday July 25, 2018 @03:49PM (#17612222)
I don't know the story, but 4.3BSD, which went into NeXTStep, was not open source. It wasn't until 4.4BSD that BSD was available without a paid Unix license.

NeXT tried to get away with a closed-source fork of GCC for Objective C, but eventually backed down under legal threat.

Re:The secret call to Andy Grove that may have helped Apple ... by lukeh on Wednesday July 25, 2018 @08:24PM (#17614157)
I think OPENSTEP for Mach 4.0, the version with the new UI that never shipped post-beta, may have been based on 4.4BSD. It wasn’t until Rhapsody that this was dusted off with bits pulled in from FreeBSD, NetBSD and OpenBSD (you can see this history in the Darwin libc source hierarchy).
Re:The secret call to Andy Grove that may have helped Apple ... by saagarjha on Wednesday July 25, 2018 @04:17PM (#17612401)
Which was probably one of the reasons why they ended up writing LLVM.
Re:The secret call to Andy Grove that may have helped Apple ... by koffiezet on Friday August 03, 2018 @06:28AM (#17678666)
The dropping of GCC and adopting LLVM is directly related to the pending switch to GPLv3 of GCC.

If there's one thing companies don't like, it's uncertainty - and the whole GPLv3 discussion gave them exactly that. They needed an alternative - and placed their bets on the more liberally licensed LLVM project.

Re:The secret call to Andy Grove that may have helped Apple ... by davidgay on Wednesday July 25, 2018 @05:03PM (#17612783)
LLVM was a UIUC project.
Re:The secret call to Andy Grove that may have helped Apple ... by saagarjha on Wednesday July 25, 2018 @05:37PM (#17613119)
Ok, hiring the project lead early in development and steering the project towards Apple's goals, then.
Re:The secret call to Andy Grove that may have helped Apple ... by kps on Thursday July 26, 2018 @10:53AM (#17617943)
Don't forget RMS's refusal to accept patches to gcc to run on the Mac.