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According to Sergey Poznyakoff on 9/26/2009 3:52 PM:
> Eric Blake <e...@byu.net> ha escrit:
> 
>> Oh, I see.  getopt in isolation passes, but getopt in combination with
>> argp causes the failure you are seeing.  I guess it's because the argp
>> module wants to use lower-level hooks from getopt1.c than what getopt.h
>> normally exposes.
> 
> Yes, that's it. Argp uses _getopt_long_only_r, which may well be absent,
> even if the system's libc provides a compatible implementation of
> getopt_long.

Maybe the trick is to check whether _getopt_long_only_r is present to the
linker, in which case we can provide our own declaration of it and avoid
the AC_LIBOBJ([getopt1]).  That will make applications using argp
lighter-weight when compiled on GNU/Linux, since they aren't replacing
what is already there.

- --
Don't work too hard, make some time for fun as well!

Eric Blake             e...@byu.net
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