On Thu, Mar 7, 2024 at 4:24 PM Warner Losh <imp@bsdimp.com> wrote:

>
>
> On Thu, Mar 7, 2024, 4:14 PM Tom Lyon <pugs78@gmail.com> wrote:
>
>> For no good reason, I've been wondering about the early history of C
>> compilers that were not derived from Ritchie, Johnson, and Snyder at Bell.
>> Especially for x86.  Anyone have tales?
>> Were any of those compilers ever used to port UNIX?
>>
>
> MIT had several that were used for ka9q and at least the Venix x86 port.
> They supported the popular micros of the time. Various versions of them
> survive to the present day.
>

It's at bitsavers:

https://bitsavers.org/bits/MIT/pc-ip/8086_C_19850820.tar
and
https://bitsavers.org/bits/MIT/trix/MIT_Compiler_Tape/

are pointers to compilers from the early 80s. Obviously not ANSI-C
compilers :)

Warner