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The g_idle_add function adds a callback to the primary GMainContext.
To workaround the GSource unref bugs, we need to add our callbacks
to the GMainContext that is associated with the GSource being
unref'd. Thus code using the per-VM virEventThread must use its
private GMainContext.
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
In the past, we used to have this oomtrace.pl script that
attempted to print the stack trace of where an OOM error
occurred and it used addr2line for that. But since v5.8.0-rc1~189
we don't really care about OOM anymore and the script is long
gone so there's no need to check for addr2line program either.
Fixes: 2c52ecd960
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
Allow the directory to be chosen at installation time, to support local
conventions e.g. versioning.
Signed-off-by: Chris Mayo <aklhfex@gmail.com>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
This way it can be used from other places as well.
Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
There are a few uses of g_autoslist in the qemu driver and likely more
will come throughout the codebase in the future. g_autoslist first
appeared in glib 2.56, so bump the minimum version
https://developer.gnome.org/glib/stable/glib-Miscellaneous-Macros.html#g-autoslist
Bumping the minimum version is an opportune time to update the list of
minimum glib versions found on the distros targeted by libvirt's
platform support policy
RHEL-7: 2.56.1
RHEL-8: 2.56.4
Debian (Buster): 2.58.3
OpenBSD (Ports): 2.66.7
FreeBSD (Ports): 2.66.7
openSUSE Leap 15.2, SLE15-SP2: 2.62.6
Ubuntu (Bionic): 2.56.1
macOS (Homebrew): 2.66.7
Signed-off-by: Jim Fehlig <jfehlig@suse.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
According to meson.build the minimal version of curl needed is
7.18.0 which was released in January 2008. If the minimal version
is bumped to 7.19.1 (released in November 2008) we can drop some
workarounds because this newer version provides APIs we need.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This header is not present on several non-Linux targets that
nonetheless support aarch64.
Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
placing "-Dnetcf=disabled" on the meson commandline was ignored,
meaning that even with that option the build would get WITH_NETCF if
the netcf-devel package was found - the only way to disable it was to
uninstall netcf-devel.
This patch adds the small bit of logic to check the netcf meson
commandline option (in addition to whether netcf-devel is installed)
before defining WITH_NETCF.
Signed-off-by: Laine Stump <laine@redhat.com>
Reviewed-by: Neal Gompa <ngompa13@gmail.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
dtrace invokes the C compiler, so when cross-building we need
to make sure that $CC is set in the environment and that it
points to the cross-compiler rather than the native one.
Until https://github.com/mesonbuild/meson/issues/266
is addressed, the workaround is to call dtrace via env(1).
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=980334
Signed-off-by: Helmut Grohne <helmut@subdivi.de>
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
This should fix CI error:
../dist-unpack/libvirt-7.1.0/src/storage/storage_backend_vstorage.c:10:10: fatal error: 'mntent.h' file not found
#include <mntent.h>
^~~~~~~~~~
on freebsd and mac.
Signed-off-by: Nikolay Shirokovskiy <nshirokovskiy@virtuozzo.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
During rewrite to meson it was mistakenly disabled. Originally,
we had:
LIBVIRT_ARG_WITH_FEATURE([VMWARE], [VMware], [yes])
which enabled the driver by default. But in meson we are checking
whether the 'driver_vmware' option is enabled without anything
enabling it automagically.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
If building for windows with curl disabled we get build failures due to
missing ws2_32 library needed for winsock2.
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
This reverts commit b3710e9a2a.
That check is very valuable for our code, but it causes issue with glib >=
2.67.0 when building with clang.
The reason is a combination of two commits in glib, firstly fdda405b6b1b which
adds a g_atomic_pointer_{set,get} variants that enforce stricter type
checking (by removing an extra cast) for compilers that support __typeof__, and
commit dce24dc4492d which effectively enabled the new variant of glib's atomic
code for clang. This will not be necessary when glib's issue #600 [0] (8 years
old) is fixed. Thankfully, MR #1719 [1], which is supposed to deal with this
issue was opened 3 weeks ago, so there is a slight sliver of hope.
[0] https://gitlab.gnome.org/GNOME/glib/-/issues/600
[1] https://gitlab.gnome.org/GNOME/glib/-/merge_requests/1719
Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
If using the declared min version of wireshark, 2.4.0, libvirt plugin
fails to build. This min version isn't present in any supported distros
and thus not tested by CI.
We don't support wireshark on RHEL-7 since it has 1.x.x series. The next
oldest version present in supported distros is 2.6.2 on RHEL-8.
Thus we should bump the min version to 2.6.0. This also lets us assume
that the "plugindir" variable exists in pkg-config.
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Per the platform support rules, we no longer need to consider SLES 12 as
a target, and so can now assume pkg-config support in yajl.
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
yajl_tree_parse is declared in yajl/yajl_tree.h
autoconf is more forgiving, the error did not trigger because
yajl_tree_parse is not actually used.
Fixes: 44b8df4cb4
Fixes: 88ab32a4e5
Signed-off-by: Olaf Hering <olaf@aepfle.de>
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
With Clang we're getting failures from casts in GLib macros
../dist-unpack/libvirt-6.10.0/src/util/vireventthread.c:35:1:
error: passing 'typeof (*(&g_define_type_id__volatile)) *'
(aka 'volatile unsigned long *') to parameter of type
'gsize *' (aka 'unsigned long *') discards qualifiers
[-Werror,-Wincompatible-pointer-types-discards-qualifiers]
G_DEFINE_TYPE(virEventThread, vir_event_thread, G_TYPE_OBJECT)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
The cast is valid and there's no way for libvirt to workaround
the issue, so we must disable this Clang warning flag.
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
GLibC has a really complicated way of dealing with the 'stat' function
historically, which means our mocks in turn have to look at four
different possible functions to replace, stat, stat64, __xstat,
__xstat64.
In Fedora 33 and earlier:
- libvirt.so links to __xstat64
- libc.so library exports stat, stat64, __xstat, __xstat64
- sys/stat.h header exposes stat and __xstat
In Fedora 34 rawhide:
- libvirt.so links to stat64
- libc.so library exports stat, stat64, __xstat, __xstat64
- sys/stat.h header exposes stat
Historically we only looked at the exported symbols from libc.so to
decide which to mock.
In F34 though we must not consider __xstat / __xstat64 though because
they only existance for binary compatibility. Newly built binaries
won't reference them.
Thus we must introduce a header file check into our logic for deciding
which symbol to mock. We must ignore the __xstat / __xstat64 symbols
if they don't appear in the sys/stat.h header, even if they appear
in libc.so
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
The fallback for distros which lack pkg-config support for devmapper
references an undefined variable "tmp". It appears non of our supported
build platforms are triggering this bug and so the fallback code can be
removed entirely rather than fixed.
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
These are always enabled so it doesn't make any sense to have the result
in summary as meson will fail if they are missing.
Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
We don't use the lib prefix for all libraries but in these cases it
makes sense to use the prefix.
Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
If readline is detected using pkg-config it would ignore the readline
option.
Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
If libpcap is detected using pkg-config it would ignore the libpcap
option.
Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
Bug fixes and comments specific to older versions have been removed.
Signed-off-by: Matt Coleman <matt@datto.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Followup of commit a79e7639da and
commit 7556ab139f
Signed-off-by: Pino Toscano <ptoscano@redhat.com>
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
Somehow this check was duplicated just below the original.
(I was at first skeptical that it's needed at all, since
GET_VLAN_VID_CMD was already present in kernel 2.6.32, but then I
realized that there is no higher level check for __linux__ around the
code that is conditional on WITH_DECL_GET_VLAN_VID_CMD; it only checks
for SIOCGIFVLAN and WITH_STRUCT_IFREQ - the latter is also present on
*BSD platforms, the former doesn't seem to be anywhere but Linux, but
I didn't want to change the effect of the conditional, so I left it in
(we could have also replaced WITH_DECL_GET_VLAN_VID_CMD, but possibly
there is a non-Linux platform that *does* have it...)
Signed-off-by: Laine Stump <laine@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
This flag was originally created to indicate that either 1) the build
platform wasn't linux, 2) the build platform was linux, but the kernel
was too old to have macvtap support. Since there was already a switch
there, the ability to also disable it when 3) the kernel supports
macvtap but the user doesn't want it, was added in. I don't think that
(3) was ever an intentional goal, just something that grew naturally
out of having the flag there in the first place (unless possibly the
original author wanted a way to quickly disable their new code in case
it caused regressions elsewhere).
Now that the check for (2) has been removed, WITH_MACVTAP is just
checking (1) and (3), but (3) is pointless (because the extra code in
libvirt itself is miniscule, and the only external library needed for
it is libnl, which is also required for other unrelated features (and
itself has no subordinate dependencies and takes up < 1MB on
disk)). We can therfore eliminate the WITH_MACVTAP flag, as it is
functionally equivalent to WITH_LIBNL (which implies __linux__).
Signed-off-by: Laine Stump <laine@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
macvtap support was added to the Linux kernel in 2.6.33. libvirt
checked for this by looking for MACVLAN_MODE_BRIDGE and IFLA_VF_MAX in
linux/if_link.h. This hasn't been necessary for a very long time, so
just gate on platform == 'linux' (and be sure to complain if someone
tries to enable it on a non-Linux platform).
Signed-off-by: Laine Stump <laine@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
macvlan support was added to the Linux kernel in 2.6.33, but
MACVLAN_MODE_PASSTHRU wasn't added until 2.6.38, so a workaround had
been put in place to define that constant on those few systems where
it was missing. It's useful like was probably 6 months at most, but
it's been there for over 10 years.
Signed-off-by: Laine Stump <laine@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
WITH_VIRTUALPORT just checks that we are building on Linux and that
IFLA_PORT_MAX is defined in linux/if_link.h. Back when 802.11Qb[gh]
support was added, the IFLA_* stuff was new (introduced in kernel
2.6.35, backported to RHEL6 2.6.32 kernel at some point), and so this
extra check was necessary, because libvirt was being built on Linux
distros that didn't yet have IFLA_* (e.g. older RHEL6, all
RHEL5). It's been in the kernel for a *very* long time now, so all
supported versions of all Linux platforms libvirt builds on have it.
Note that the above paragraph implies that the conditional compilation
should be changed to #if defined(__linux__). However, the astute
reader will notice that the code in question is sending and receiving
netlink messages, so it really should be conditional on WITH_LIBNL
(which implies __linux__) instead, so that's what this patch does.
Signed-off-by: Laine Stump <laine@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
We stopped supporting Ubuntu 16.04 earlier in the year in:
commit 57e9f3a7e0
Author: Daniel P. Berrangé <berrange@redhat.com>
Date: Mon May 4 13:06:56 2020 +0100
gitlab: update list of distros to use latest versions
So there is no reason to keep the HTML4 variants of rst2html around.
Reviewed-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
The libutil.h we are after is explicitly only something we want on
FreeBSD, we don't want to accidentally pick up this header on other
platforms as it can lead to build failures.
Reviewed-by: Neal Gompa <ngompa13@gmail.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
It's useful information to have available at a glance.
Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
With libdbus our wrappers had a special syntax to create the DBus
messages by defining the DBus message signature followed by list
of arguments providing data based on the signature.
There will be no similar helper with GLib implementation as they
provide same functionality via GVariant APIs. The syntax is slightly
different mostly for how arrays, variadic types and dictionaries are
created/parsed.
Additional difference is that with GLib DBus everything is wrapped in
extra tuple (struct). For more details refer to the documentation [1].
[1] <https://developer.gnome.org/glib/stable/gvariant-format-strings.html>
Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
