Re: [patch] Fix PR ada/52362

[Diego Novillo <dnovillo at google dot com>]

On 12-06-06 07:23 , Eric Botcazou wrote:
> > So, why do we have the --with-gnu-as flag then?
>
> Because, on some platforms like Solaris, you can use the system assembler or
> the GNU assembler, so nothing is hardcoded in config.gcc and --with-gnu-as
> makes it possible to pick one.  On Linux, it's always the GNU assembler so
> this is hardcoded.

Ah, OK.

> > That's my point.  After your patch, --with-gnu-as has no meaning.  The
> > user has no way of overriding the value guessed by config.gcc.
>
> But that value isn't guessed at all: if it's set, then it's always correct.
> Note that my patch didn't change that, i.e. the compiler was and is still
> configured for the GNU assembler whatever --with-gnu-as you pass on Linux.

Actually, no.  If I undo your patch, I can control the value of 
HAVE_GNU_AS with the flag.  But you are right in that this makes no 
material difference in what we end up using.


Thanks.  Diego.