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Re: GDB and compiler-operations

From: Stefan Monnier
Subject: Re: GDB and compiler-operations
Date: Fri, 07 Sep 2018 11:58:06 -0400
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux)

> On a newer platform where GDB can see C macros (you really should enable
> this if you can, by the way, it mak,es debugging easier),

I'm on Debian testing, which doesn't strike me as old.
How new does it need to be?

> I see this:
> (gdb) p offsetof (struct Lisp_Vector, contents)
> No symbol "__builtin_offsetof" in current context.

Hmm... indeed that's the error I was seeing the other day, but today
I get the other one.  IIRC this was the same machine, tho (and if not,
it was one running Debian testing or Debian stable, so nothing newer).


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