Eric Blake
Wed Sep 21 13:04:00 GMT 2011

On 09/20/2011 11:59 AM, Andrew Schulman wrote:
>>> See gnu/argp* .  Looks like a complete implementation, all GPL.

cpio borrows argp from gnulib, and in gnulib, argp is GPL (because it 
has some improvements over glibc) but maintains sync with glibc fixes.

If you're going to pull it from anywhere, I suggest either glibc (LGPL) 
or gnulib (GPL, and what is used by cpio and tar, at least).  Either 
way, I agree that we're stuck with a separate libargp, because I don't 
know of any non-[L]GPL argp implementation.

Eric Blake    +1-801-349-2682
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