The release notes say:
configure now enables DCO build by default on FreeBSD and Linux. On
Linux this brings in a new default dependency for libnl-genl (for
Linux distributions that are too old to have a suitable version of the
library, use "configure --disable-dco")
Now we checked this on our different ubuntu machines and found that
openvpn (from the official build repos)
on focal: had no DCO
on kinetic: had DCO built-in
So I thought that libnl-genl and libnl-3 may not be available on focal
or may be a bit too old. So I checked that as well:
on kinetic:
# dpkg -l | grep libnl
ii libnl-3-200:amd64 3.7.0-0.2 amd64 library for
dealing with netlink sockets
ii libnl-genl-3-200:amd64 3.7.0-0.2 amd64 library for
dealing with netlink sockets - generic netlink
(I omitted the -dev packages, since their version match)
on focal:
# dpkg -l |fgrep libnl
ii libnl-3-200:amd64 3.4.0-1ubuntu0.1 amd64 library for
dealing with netlink sockets
ii libnl-genl-3-200:amd64 3.4.0-1ubuntu0.1 amd64 library for
dealing with netlink sockets - generic netlink
Now I wondered if 3.4.0 is considered too old (aka "not suitable") or if
this is maybe an error in the build process?
configure.ac in 2.6.1 says:
PKG_CHECK_MODULES([LIBNL_GENL],
[libnl-genl-3.0 >= 3.4.0],
[have_libnl="yes"],
[
AC_MSG_ERROR([libnl-genl-3.0 package not found or too old. Is the
development package and pkg-config installed? Must be version 3.4.0 or newer
for DCO])
]
)
According to this, 3.4.0 should suffice!
So maybe the build process for the packages on
https://swupdate.openvpn.net/repos/ is lacking a few build dependencies?
--
Ralf Hildebrandt
Charité - Universitätsmedizin Berlin
Geschäftsbereich IT | Abteilung Netzwerk
Campus Benjamin Franklin (CBF)
Haus I | 1. OG | Raum 105
Hindenburgdamm 30 | D-12203 Berlin
Tel. +49 30 450 570 155
[email protected]
https://www.charite.de
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