./configure --disable-ipv6 hangs

[Alain Fauconnet]

Hello,

I think that I've spotted a bug in Rsync's configure  script:  if  one
uses --disable-ipv6, configure would hang forever at step:

checking whether defines needed by getaddrinfo exist...

What  happens  is that when this option is used, $EGREP is not defined
in  the  script. Then this particular test invokes ... | $EGREP "yes".
This  actually runs the Unix "yes" command because $EGREP evaluates as
empty.

Since the "yes" command never exits, it just stays there forever.

Fix:  move  the logic that detects the "egrep" command out of the part
that handles the enable/disable IPv6 option.

Greets,
_Alain_

PS: reply to me directly if needed, I'm not a member of this list.

-- 
Alain Fauconnet
IT Security Specialist & CISO -- ITServ
Asian Institute of Technology