On Aug 25, 2002, Neil Booth <[EMAIL PROTECTED]> wrote:

> Of course, but that doesn't prevent you adding it for the first line
> of the original file now, does it?  And it would still be backwards
> compatible.

I don't see how introducing a change that was not forewarned in older
docs be regarded as backward-compatible.  Any other program that
claimed to support the old GCC preprocessed output could legally throw
the towel when seeing that.

> This is another case where I don't think we can reasonably expect
> to do as well with preprocessed files as with original files.  Original
> files should be easy to get right.  We can only get debug info for
> macros for .i files with -dD anyway.

Perhaps -ggdb should imply -dD, now that we can emit debugging info
about macros?

-- 
Alexandre Oliva   Enjoy Guarana', see http://www.ic.unicamp.br/~oliva/
Red Hat GCC Developer                 aoliva@{redhat.com, gcc.gnu.org}
CS PhD student at IC-Unicamp        oliva@{lsd.ic.unicamp.br, gnu.org}
Free Software Evangelist                Professional serial bug killer
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