From: Weiqi Gao <weiqigao AT a DOT crl DOT com>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: ECGS, DJGPP & GCC -- what's the difference
Date: Wed, 09 Jun 1999 00:38:29 -0500
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Steve Ball wrote:
> 
> Can someone explain to me in simple terms what the difference between these
> three compilers are? DJGPP is based on GCC isn't it? And ECGS too?

There are only two compilers: GCC and EGCS.  DJGPP provides the stuff
that make GCC and EGCS possible in DOS.

> Was the migration of GCC to DOS (producing DJGPP) a one-time thing or can I
> upgrade the GCC component of DJGPP to take advantage of the latest GCC
> features?

Whoever does the porting has to do a lot of work.  But that has already
been done.  You can just download the gcc 2.8.x binaries replace the gcc
2.7.x stuff with the 2.8.x stuff.

> Also, are ECGS and DJGPP "competing" DOS UNIX-style compilers? Does ECGS
> have a RHIDE equivalent?

No. You can download the egcs 2.90.x binaries and drop it in to DJGPP. 
Again the hard work has already been done for you.

> Rather a few questions, I know, but I'd be keen to hear an explanation!

When I said download binaries, I mean the binaries distributed in the
DJGPP archive.  If you go out to the Cygwin site and download their
egcs, that's not going to work in DOS.

-- 
Weiqi Gao
weiqigao AT a DOT crl DOT com