[ntp:questions] Re: Can't seem to compile ntp 4.2.0 on RedHat 6.1

Danny Mayer mayer at gis.net
Tue Nov 4 16:35:04 UTC 2003

Clint Byrum <clint at anonymizer.com> wrote in message news:<uUzpb.28467$vn.65545 at sea-read.news.verio.net>...
> First, I'll say that no, I can't move off RedHat 6.1 just yet. That 
> migration is planned for the next few months.
> Until then, I'm stuck with it. I'd rather not deal with something like 
> rdate, but it is imperative that I sync the time on these machines.
> When I try to compile 4.2.0, I get this:
> ntp_io.c: In function `io_multicast_add':
> ntp_io.c:814: `IPV6_JOIN_GROUP' undeclared (first use in this function)
> ntp_io.c:814: (Each undeclared identifier is reported only once
> ntp_io.c:814: for each function it appears in.)
> ntp_io.c: In function `io_multicast_del':
> ntp_io.c:967: `IPV6_LEAVE_GROUP' undeclared (first use in this function)
> make[2]: *** [ntp_io.o] Error 1
> make[2]: Leaving directory `/usr/local/src/ntp-4.2.0/ntpd'
> make[1]: *** [all-recursive] Error 1
> make[1]: Leaving directory `/usr/local/src/ntp-4.2.0'
> make: *** [all] Error 2
> Some relevant versions:
> glibc:    2.1.2
> openssl:  0.9.7c
> gcc:      egcs-2.91.66 (egcs-1.1.2)
> kernel:   2.2.12-20
> Any help is greatly appreciated. I do not need IPV6, as these boxes will 
> be out of commission within 6 months. If I can turn off IPV6, that would 
> solve this problem, would it not?

Please file a bug report with bugzilla so that it can be fixed and
tracked. There may be no easy way of fixing this, but I have some


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