On 1/17/2014 13:45, Aaron Humphrey wrote:
So why does it think it
requires ip6.h if it compiles fine without it?
It's probably an unwarranted Linuxism. As I read POSIX[*], it is legal
to have IPv6 definitions in the same old headers the IPv4 interface is
defined in, as Cygwin does.
So, three choices:
1. Cygwin could add stub headers for these to placate socat and any
other software that uses their presence as an IPv6 test; or
2. Someone can lobby socat to fix their test; or
3. The socat package maintainer can patch the software before building
it. If it were me, I'd first try diddling config.h after the configure
script generates it, rather than hack the configure script itself. If
that works, it's a one-line fix.
[*] http://goo.gl/lMIJUK
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