4.2 Project: "@file" support

[Mark Mitchell]

DJ Delorie wrote:
>>However, I have a counter-proposal, which is that we use libiberty's
>>existing buildargv.
> 
> 
> I wasn't specifying DJGPP's exact code, mostly these features:

OK.

> 1. Recursion.  @file inside another @file causes further expansion.

Yes, my implementation happened to already do that.

(MSVC does not do this.  Presumably this explains the behavior under 3 
below.)

> 2. Support for "find -print0" which is more robust than
>    whitespace-delimited arguments.

OK.

> 3. Allow non-file "@string" left as-is (not fatal).

OK.

(MSVC does not do this either.)

I'm not particularly concerned about differing from MSVC on these 
points; I'm just noting them for posterity.

-- 
Mark Mitchell
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mark@codesourcery.com
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