[ntp:questions] Re: OpenBSD NTP compile problem

Walt Howard howard at rumba.ee.ualberta.ca
Wed Nov 26 17:28:05 UTC 2003


In article <uPWdneGSwoXtJV6iRVn-sQ at dls.net>,
Brendan Hoffmann  <bthammy at netscape.com> wrote:
>Hey guys, I keep getting this error upon compiling (full ouput):
>
>Making all in scripts
>Making all in include
>Making all in isc
>Making all in ElectricFence
>Making all in libntp
>source='systime.c' object='systime.o' libtool=no 
>depfile='.deps/systime.Po' tmpdepfile='.deps/systime.TPo'  depmode=gcc 
>/bin/sh ../depcomp  gcc -DHAVE_CONFIG_H -I. -I. -I.. -I../include 
>-I../include   -I/usr/include  -g -O2 -Wall -Wcast-qual 
>-Wmissing-prototypes -Wpointer-arith -Wshadow -Wstrict-prototypes -c 
>`test -f 'systime.c' || echo './'`systime.c
>In file included from ../include/ntp_fp.h:10,
>                  from systime.c:8:
>../include/ntp_rfc2553.h:177: redefinition of `struct sockaddr_storage'
>In file included from /usr/include/netinet/in.h:502,
>                  from ../include/ntp_fp.h:11,
>                  from systime.c:8:
>/usr/include/netinet6/in6.h:116: redefinition of `struct in6_addr'
>/usr/include/netinet6/in6.h:139: redefinition of `struct sockaddr_in6'
>*** Error code 1
>
>Stop in /home/brendan/ntp-4.2.0/libntp.
>*** Error code 1
>
>Stop in /home/brendan/ntp-4.2.0 (line 321 of Makefile).
>*** Error code 1
>
>Stop in /home/brendan/ntp-4.2.0 (line 260 of Makefile).
>
The basic problem, which you can see if you look at the patches for the
version of ntpd in /usr/ports/net/ntp, is that include/ntp_rfc2553.h
defines a bunch of stuff for IPv6 which (in *BSD) was already defined
by <netinet/in.h>.  OpenBSD patches have been dealing with this by
deleting the "#include "ntp_rfc2553.h" from any source file that has it,
and that continues to be an effective patch for 4.2.0.

As Danny Mayer points out in a later posting, the development version is
getting a better test in ntp_rfc2553.h for determining how much of the
contents are really needed on any given system.  Unless you are
comfortable dealing with the development version, I would recommend
copying the effect of the patches provided in /usr/ports/net/ntp/devel/patches.
They don't apply exactly, and the one for ntp_io.c is not needed any more,
but I found that using them got me a version of the ntp programs that
compiles and works on OpenBSD 3.4.


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