[MPlayer-dev-eng] [PATCH] configure: much faster configure --help

[Diego Biurrun]

On Mon, Feb 11, 2013 at 05:40:53PM +0100, Erik Auerswald wrote:
> 
> MPlayer's configure does a lot of work before checking command line
> options. This includes updating of an ffmpeg git repository before
> producing help output, even when only asked for help.
> 
> The attached patch rearranges configure's help output code to be in
> front of ffmpeg repo checks and updates and introduces a new check,
> if the first command line option is --help or -h and prints the help
> immediately.
> 
> This drastically speeds up checking for available configure options,
> if done the common way of "./configure --help". If the --help resp.
> -h option is somewhere else on configure's command line, the (kept)
> existing check will find this after doing all the initial setup
> work, taking much longer overall.

I'm not really convinced of the usefulness of this in the first place,
but even then I consider it overkill.  Just check for --help/-h early.

Diego