Re: [FFmpeg-devel] [PATCH] mswindres: Use '-' instead of '/' for rc.exe options

[Hendrik Leppkes <h.leppkes@gmail.com>]

On Thu, Feb 9, 2023 at 10:02 PM Ziemowit Laski <zlaski@ziemas.net> wrote:
>
> > FWIW, this setup is definitely being used by lots of others already - so
> > whenever there's such an issue, the main question to ask is why others
> > haven't run into the issue before. But improvements are definitely
> > welcome!
>
> You have to have PATH set up so that rc.exe is found inside the Windows SDK.
> This is NOT the default behavior.  Usually, you would have to invoke the
> 'Developer Command Prompt' from the start menu to get the correct environment.
>
> But I have my system set up so that the Microsoft tools are ALWAYS found,
> regardless of which shell you are running.  That could explain the different
> behavior that I'm seeing.
>
> > You should probably talk about the option '/nologo' here, there's no
> > '/logo' option afaik.
>
> Yes, good catch, thanks.
>
> > These changes seem fine, but you're apparently not touching the case at
> > the top, used for --version, where it is calling 'rc.exe /?'. For me, this
>
> That's an interesting point.  I guess MinGW is "smart enough" not to rewrite
> "/?" because it doesn't represent a valid path to begin with.  I will change
> it to "-?" as you suggest.
>

You would think so, but attempting to run rc.exe /? straight from a
msys bash prompt over here does come up with an invalid file error, so
definitely better to fix it.

- Hendrik
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