On Fri, Sep 04, 2009 at 04:10:24PM -0400, schulman.and...@epamail.epa.gov wrote: > >I'm trying to build socat for Cygwin (1.7). The build fails with > >xio-ip.c:480: error: structure has no member named `ipi_spec_dst' > >The offending code wants to use pktinfo->ipi_spec_dst.s_addr, where >pktinfo is a struct in_pktinfo *. The problem is that in Cygwin, >in_pktinfo doesn't have an ipi_spec_dst member. The IP man page >(http://homepages.cwi.nl/~aeb/linux/man2html/man7/ip.7.html) lists >in_pktinfo as > >struct in_pktinfo { > unsigned int ipi_ifindex; /* Interface index */ > struct in_addr ipi_spec_dst; /* Local address */ > struct in_addr ipi_addr; /* Header Destination address */ >}; > >while in /usr/include/cygwin/in.h, it's just > >struct in_pktinfo >{ > struct in_addr ipi_addr; > uint32_t ipi_ifindex; >}; > >Any suggestions for a workaround to this problem? Why is ipi_spec_dst >missing, and more to the point, what can/should I substitute in its >place? ip(7) says that "If ... ipi_spec_dst is not zero, then it is >used as the local source address for the routing table lookup and for >setting up IP source route options." This suggests that I could replace >it by zero. Comments?
The structure isn't used by cygwin in any way so it sounds like you could replace it with whatever you want. cgf -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple
