From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me X-Spam-Level: X-Spam-Status: No, score=-1.3 required=5.0 tests=BAYES_00,INVALID_MSGID autolearn=no autolearn_force=no version=3.4.4 X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 103376,571c2f1e2615501a X-Google-Attributes: gid103376,public From: NickiZ Subject: Re: Ada and Mainframes Date: 2000/01/26 Message-ID: <388F692C.26368933@fortuna.com>#1/1 X-Deja-AN: 578021928 Content-Transfer-Encoding: 7bit References: <86gg3h$rbe$1@news.netmar.com> X-Accept-Language: en Content-Type: text/plain; charset=us-ascii X-Complaints-To: newsmaster@cts.com X-Trace: thoth.cts.com 948922604 53117 216.120.49.221 (26 Jan 2000 21:36:44 GMT) Organization: Fortuna, Inc. Mime-Version: 1.0 Newsgroups: comp.lang.ada Date: 2000-01-26T00:00:00+00:00 List-Id: mfeldman@seas.gwu.edu wrote: > > In a previous article, writes: > [snip] > > > >For whatever reason, IBM transferred their MVS Ada product to > >OC Systems, who offer it under the name LegacyAda, alongside their > >AIX Ada offerings. In addition to the typical ways of looking > >up a vendor, I believe you can find OC Systems through the AdaIC > >web pages, as they participate in various cooperative efforts > >between Ada vendors. There are occasional posts to this group > >by OC Systems folk, although I doubt any of them have sales and > >marketing experience. > > > [snip] > > >Larry Kilgallen > > I used the Ada 83 IBM compiler a good bit, both at GW and as a teacher > of in-house Ada courses at IBM Federal Systems. As I recall, IBM's compiler > was never really developed by IBM. The front end came from TeleSoft (which > later merged with Alsys, which became Thomson, which became Aonix). The > ports to AIX, VM, and MVS, were done by OC Systems under contract to IBM. > IBM never did more than market it under their own name. So it was > natural that asa IBM -- like most other hardware companies -- got out of > the Ada compiler business, eventually these compilers would revert to OC, > which would commercialize them directly. > > Perhaps someone out there knows which front end is used by the OC compilers > for Ada 95. If I had to make a wild guess, it would be AdaMagic, the > Intermetrics-made front end that is used, among others, in the Aonix > ObjectAda products. Anyone know for sure? The VM and MVS ports were done by TeleSoft. The OC Systems Ada 95 front end was developed by TeleSoft and acquired from Alsys after Alsys acquired TeleSoft. > > A historical fact about Ada 83 is that among the various hardware companies, > only DEC did their own compiler. IBM, Sun, Control Data, and others > all OEM-ed the compilers, or the front ends at least, from the "regular" > Ada 83 compiler houses: Alsys, TeleSoft, and Verdix (which was absorbed by > Rational) mostly. > > As far as I know, for Ada 95 there are 5 compiler families: GNAT, > AdaMagic/ObjectAda, Rational, DDC-I, and RR. Unless I've missed > something, all others use the front end (at least) from one of these. > > Mike Feldman > > ----- Posted via NewsOne.Net: Free Usenet News via the Web ----- > ----- http://newsone.net/ -- Discussions on every subject. ----- > NewsOne.Net prohibits users from posting spam. If this or other posts > made through NewsOne.Net violate posting guidelines, email abuse@newsone.net --NickiZ