[Ffmpeg-devel] [PATCH] '/nop' illegal for old versions of GAS

[Rich Felker]

On Wed, Jul 26, 2006 at 11:20:56AM +0200, Michael Niedermayer wrote:
> Hi
> 
> On Wed, Jul 26, 2006 at 01:10:31PM +1000, Nigel Pearson wrote:
> [...]
> > >heres what the gas manual says about lines starting with #
> > >---
> > >To be compatible with past assemblers, lines that begin with `#'
> > >have a special interpretation.  Following the `#' should be an absolute
> > >expression (*note Expressions::): the logical line number of the _next_
> > >line.  Then a string (*note Strings: Strings.) is allowed: if present
> > >it is a new logical file name.  The rest of the line, if any, should be
> > >whitespace.
> > 
> > 	Yes, but it goes on...
> > 
> > If the first non-whitespace characters on the line are not numeric, the  
> > line is ignored. (Just like a comment.)
> > 
> > 
> > 	nop is is not a numeric expression, but to be
> > perfect, the line should be something like " # nop"?
> > Sadly, that requires re-writing of the macros.
> 
> if you do that, use #define NOP " # nop" and then use NOP

I hope this change or something similar is acceptable to you, since
I'll be using the same assembler code (based on gas 1.38) on my
i386-linux. :) Apple was actually rather smart in choosing something
gas-1.38-based since all the newer versions use libbfd.

Rich