GNU bug report logs - #15880
Compute C declarations for DEFSYMs automatically.

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Message #106 received at 15880 <at> debbugs.gnu.org (full text, mbox):

From: Paul Eggert <eggert <at> cs.ucla.edu>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 15880 <at> debbugs.gnu.org
Subject: Re: bug#15880: Compute C declarations for DEFSYMs automatically.
Date: Mon, 05 Jan 2015 14:20:01 -0800

[Message part 1 (text/plain, inline)]

On 01/05/2015 11:48 AM, Eli Zaretskii wrote:
> I don't understand how this:
>
>    #define lisp_h_XSYMBOL(a) \
>       (eassert (SYMBOLP (a)), \
>        (struct Lisp_Symbol *) XUNTAGBASE (a, Lisp_Symbol, lispsym))
>    # define XSYMBOL(a) lisp_h_XSYMBOL (a)
>
> and this:
>
>    INLINE struct Lisp_Symbol *XSYMBOL (Lisp_Object);
>
> can live together.  Can you explain?

Ah, I see the problem now: I was compiling with optimization and you're 
not.  I installed the attached patch to fix that.  When optimizing, 
XSYMBOL is not defined as a macro.

[0001-lisp.h-XSYMBOL-Parenthesize-id-in-forward-decl.patch (text/x-patch, attachment)]

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