Xref: utzoo comp.lang.c++:13203 comp.lang.c:38943
Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!crdgw1!uunet!taumet!steve
From: steve@taumet.com (Stephen Clamage)
Newsgroups: comp.lang.c++,comp.lang.c
Subject: Re: 64 bit architectures and C/C++
Message-ID: <699@taumet.com>
Date: 2 May 91 14:47:21 GMT
References: <168@shasta.Stanford.EDU> <6157@trantor.harris-atd.com> <2110@talos.npri.com> <1991May1.222505.81@ux1.cso.uiuc.edu>
Followup-To: comp.lang.c++
Organization: Taumetric Corporation, San Diego
Lines: 14

phil@ux1.cso.uiuc.edu (Phil Howard KA9WGN) writes:

>But if you are interested in getting things converted quickly, then just make
>TWO models of the compiler.  You then assign a special flag name to make the
>compiler work in such a way that it will avoid breaking old code.

Some compilers already do this.  For example, our compilers (available from
Oregon Software) have a "compatibility" switch which allows compilation of
old-style code, including old-style preprocessing.  In this mode, ANSI
features (including ANSI preprocessing and function prototypes) are still
available, allowing gradual migration of programs from old-style to ANSI C.
-- 

Steve Clamage, TauMetric Corp, steve@taumet.com