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,f9b2884d79aef527 X-Google-Attributes: gid103376,public From: "David C. Hoos, Sr." Subject: Re: Newbie question on APEX and VADS Date: 1999/05/05 Message-ID: #1/1 X-Deja-AN: 474524708 Content-Transfer-Encoding: 7bit References: <1999May5.171018.1@eisner> X-Priority: 3 Content-Type: text/plain; charset="iso-8859-1" X-MimeOLE: Produced By Microsoft MimeOLE V5.00.2314.1300 X-MSMail-Priority: Normal MIME-Version: 1.0 Newsgroups: comp.lang.ada Date: 1999-05-05T00:00:00+00:00 List-Id: Larry Kilgallen wrote in message news:1999May5.171018.1@eisner... > I have received some Ada source that refers to both APEX and VADS. > > Could someone describe for me the difference/relationship between > APEX and VADS ? > VADS is an acronym which stands for Verdix Ada Development System. Verdix Corporation was bought by Rational about 1994 (if memory serves me correctly). VADS is strictly Ada83, and as far as I know is only being minimally supported, as Rational is trying to move customers to Apex. I used VADS on IRIX and Sun platforms for about seven years. APEX is a development system originally hosted on special Rational hardware, but now hosted on a number of platforms, including Solaris, IRIX, and Windows NT. Apex now includes support for at least one other language (C++ and maybe others) besides Ada. Apex comes with Rational compilers, and a system called the Rational Compilation Integrator (RCI) which allows Apex to run on one platform, managing compilation on another, targeting code for a third platform. Of course, all three platforms could be one and the same. My last hands-on experience with Apex was on a Solaris platform on a project which began in early 1977 when the Rational Ada95 compiler was less than complete. We used the RCI to compile with GNAT on both the Solaris and IRIX 6 platforms, with good success. Some people have used Apex with VADS. We never looked at the Rational compiler on that project, because the schedule did not permit considering a change, given that we had a usable compiler with a known set of limitations with which we are able to live. Hope this helps.