[Bug ld/16790] [cygwin|mingw] ld -v creates a.exe

[nickc at redhat dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=16790

--- Comment #7 from Nick Clifton <nickc at redhat dot com> ---
Hi Corinna,

> After some discussion with Jon_Y and Yaakov on IRC, I'm pretty much ok
> with moving the default-manifest handling to GCC.

Excellent! :-)

> I'm just wondering if the default-manifest shouldn't then be made
> into its own package, independent of binutils and GCC, so that we
> can update the default manifest if a new Windows comes out, without
> having to update binutils or GCC packages as well.

I guess that this could happen,  Although maybe it could become part of 
the Cygwin and MinGW projects instead ?  I assume that they are the only 
ones that need the default manifest.  Hmm, that does mean keeping two 
copies of the manifest in sync in different projects, which is not 
ideal.  So maybe a separate project would be better.  How does one go 
about creating a new project anyway ?

> If we do that, GCC would have to handle three situations:
>
> - The default-manifest.o file doesn't exist in the search path.
>    Don't even try to add it to the command line.

Should GCC issue a warning in this case.  (Assuming that it would want 
to add the default manifest to the linker command line if it could be 
found).

> - The manifest file exists, the -shared option is given.
>    Don't add default-manifest.o to the command line.
 >
> - The manifest file exists, the -shared option is not given.
>    Append default-manifest.o to the command line.
>
> Will that work?

Yes.  Should be quite straightforward.

Cheers
   Nick

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