A query regarding compilation IPv6 in SCTP library

Peter Lei peter.lei at ieee.org
Mon Jul 9 17:36:48 UTC 2007


 From the "NOTES" file in /usr/src/sys/conf:

  # Note YOU MUST have both INET and INET6 defined.
  # you don't have to enable V6, but SCTP is
  # dual stacked and so far we have not teased apart
  # the V6 and V4.. since an association can span
  # both a V6 and V4 address at the SAME time :-)

This includes the library portion... We simply have not
gone through all of the code to #ifdef properly to do a
INET or INET6 only build; it's only minimally done so
far.

--peter

sazzadur rahman wrote:
> Hi,
> 
> Is there any way compiling SCTP library without IPv6? I have specified
> -UAF_INET6 in libnetworking Makefile DEFS, but it didn't work :(.
> I have found that there is #ifdef AF_INET6 condition in sctp_header.h 
> and in
> socket.h, there is #define AF_INET6 28. So, the prior condition is a
> tautology. We couldn't afford removing #define AF_INET6 28 statement as
> well, because it would create a lot of compilation issues then.
> 
> I would appriciate any help in this regard.
> 
> Best regards,
> Sazzad.
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