Was PCC ever considered?

Arthur Chance freebsd at qeng-ho.org
Sat Mar 30 13:49:15 UTC 2019

On 29/03/2019 23:18, Lowell Gilbert wrote:
> Mayuresh Kathe <mayuresh at kathe.in> writes:
>> Since FreeBSD uses Clang/LLVM (which is kind-a huge) I wondered if PCC
>> was ever considered during the GCC days or even while contemplating
>> the switch to Clang/LLVM.
>> If PCC was considered but rejected, may I know the reasons and
>> rationale for the same?
> The standard compiler for a POSIX system has to be able to build its
> kernel. PCC has never come close to being able to do that on *any*
> operating system with which I am familiar.

It happily compiled Unix from the Seventh Edition from Bell Labs through
to 4.3BSD on the Berkeley branch and I think SVR3(?) on the AT&T branch.

What do we want?
A time machine!
When do we want it?
Errm ...

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