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Date:	Mon, 8 Jul 2002 09:07:33 -0700 (PDT)
From:	Nicholas Wourms <nwourms AT yahoo DOT com>
Subject:	Re: Available for test: gcc-3.1.1-1, gcc2-2.95.3-6, and gcc-mingw-3_1-20020516-1
To:	Charles Wilson <cwilson AT ece DOT gatech DOT edu>, cygwin AT cygwin DOT com
In-Reply-To:	<3D29AFD6.4050304@ece.gatech.edu>
MIME-Version:	1.0

--- Charles Wilson <cwilson AT ece DOT gatech DOT edu> wrote:
> 
> 
> Christopher Faylor wrote:
> 
> > I don't see exactly the same errors.  I can't even compile your stuff
> > with g++.  :-( It appears to be due to
> --enable-version-specific-runtime-libs,
> > AFAICT.
> 
> 
> Right -- I had to change #include <iostream.h> to <iostream>, etc.  I'm 
> not real familiar with the source-level changes that gcc-3.x *forces* 
> onto people -- but I'm not real happy about them.  The price of 
> progress, I suppose.
> 
> Does anybody know of a good reference, along the lines of "What changed 
> in g++ between gcc-2.95.3 and gcc-3.x"?  I'm not talking about the 
> innards of gcc; but rather, user-visible changes that force me to change
> 
> my perfectly good 2.95.3 C++ code so that it'll compile with g++ 3.x.
> 
> --Chuck

The changes are not to gcc, but to libstdc++.  #include <foo.h>, from what
I gather, is a non-standard relic of libstdc++ v2.  Apparently in v3, they
discourage this behavior.. (but it should just spit out a warning, not
fail to compile).  FWIW, you might want to check out:

http://gcc.gnu.org/onlinedocs/libstdc++/17_intro/howto.html
^---This is where your <foo> vs. <foo.h> is discussed
http://gcc.gnu.org/onlinedocs/libstdc++/faq/

Not being a c++ person myself, I found a lot of useful information there
that I didn't know.  Hope that helps!

Cheers,
Nicholas

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