[ATTN. Maintainer] libargp

[Andrew Schulman]

> Achim Gratz writes:
> > The files are on the libargp branch of the playground repository:
> > https://cygwin.com/git-cygwin-packages?p=git/cygwin-packages/playground.git;a=shortlog;h=refs/heads/libargp
> 
> I've updated the branch with a bugfix.  Some parts had been refactored
> out of argp.h into config.h so the standalone library (which doesn't
> install config.h of course) would build & test OK, but you couldn't
> compile a project using the installed version. I'm putting these
> definitions back during install and you can actually compile with it
> now, both on the native and the MinGW64 toolchains.  I've also
> re-arranged a things so that the source package actually has all the
> files necessary for building.

Thank you! I haven't updated that package in years. I'll take a look soon.
Andrew