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[98.210.178.152]) by smtp.gmail.com with ESMTPSA id f5sm9572671pfc.0.2022.02.06.19.04.08 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 06 Feb 2022 19:04:08 -0800 (PST) Message-ID: Date: Sun, 6 Feb 2022 19:04:01 -0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Thunderbird/91.5.1 From: Rob Gingell To: Clem Cole , Will Senn References: <0f83f174-eeca-30fb-7b98-77fb0da80f2e@gmail.com> Content-Language: en-US In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Subject: Re: [TUHS] Looking back to 1981 - what pascal was popular on what unix? X-BeenThere: tuhs@minnie.tuhs.org X-Mailman-Version: 2.1.26 Precedence: list List-Id: The Unix Heritage Society mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: gingell@computer.org Cc: TUHS main list Errors-To: tuhs-bounces@minnie.tuhs.org Sender: "TUHS" On 1/29/2022 11:59 AM, Clem Cole wrote: > Sun later brought the UCB PI and PC to the SunOS, but pls Rob G/Larry > correct me here - I think they later did their own compiler when they > did their new C and Fortran. Sun never replaced the UCB Pascal front-end, just moved it across back-ends as it evolved them. The development of SPARC required Sun to develop back-end expertise. Although the investments focused on SPARC, there was also work on the back-ends for the Motorola- and Intel-based products. Sun's front-end investments began with the SVR4 project as an ANSI C compiler was needed. (A priority for SVR4 was conformance with then-current external standards such as POSIX and ANSI. Over the course of SVR4's development strict ANSI conformance came to be seen as problematic: most SV licensees didn't just use the release as delivered and instead merged portions into their extant, and not ANSI, product source code bases. This led to some late-in-the-project de-ANSIfying of the source in the interest of making SVR4 more digestible by the licensees.) That C compiler was the basis for the unbundled C compiler product that came out at the time of SunOS 4.1. Sun's larger investments in front-end development were motivated by the later transition from F77 to F9X. Which is another data point in support of Clem's frequent observation that FORTRAN is a big deal in parts of the real world. At that point Sun tended to its own front ends for C, C++, and FORTRAN but Pascal was always the UCB front end.