When using 'virsh attach-device' to hotplug an unsupported console type
into a qemu guest the attachment would succeed as the command line
formatter didn't report error in such case.
The listen address is not mandatory for <interface type='server'>
but when it's not specified, we've been formatting it as:
-netdev socket,listen=(null):5558,id=hostnet0
which failed with:
Device 'socket' could not be initialized
Omit the address completely and only format the port in the listen
attribute.
Jim Fehlig [Tue, 20 Jan 2015 23:45:09 +0000 (16:45 -0700)]
tests: fix xlconfigtest build failure
When libvirt is configured --without-xen, building the xlconfigtest
fails with
CCLD xlconfigtest
/usr/lib/gcc/x86_64-linux-gnu/4.7/../../../x86_64-linux-gnu/crt1.o
In function `_start': (.text+0x20): undefined reference to `main'
collect2: error: ld returned 1 exit status
Introduced in commit 4ed5fb91 by too much copy and paste from
xmconfigtest.
Josh Stone [Thu, 4 Dec 2014 00:01:33 +0000 (16:01 -0800)]
network: Let domains be restricted to local DNS
This adds a new "localOnly" attribute on the domain element of the
network xml. With this set to "yes", DNS requests under that domain
will only be resolved by libvirt's dnsmasq, never forwarded upstream.
This was how it worked before commit f69a6b987d616, and I found that
functionality useful. For example, I have my host's NetworkManager
dnsmasq configured to forward that domain to libvirt's dnsmasq, so I can
easily resolve guest names from outside. But if libvirt's dnsmasq
doesn't know a name and forwards it to the host, I'd get an endless
forwarding loop. Now I can set localOnly="yes" to prevent the loop.
Gary R Hook [Fri, 16 Jan 2015 17:38:32 +0000 (17:38 +0000)]
Make ZFS storage pool XML tests optional
Do not run ZFS tests when ZFS is unsupported in the environment.
The recent patch b4af40226d09adeaf9e33a1d6594c4e8ce7f771d adds tests
to storagepoolxml2xmltest for the optional ZFS feature. When ZFS is
not included in the configuration these tests should not / cannot be
run. Modify the test source file to check for use of the feature and
compile in the tests accordingly.
Signed-off-by: Gary R Hook <gary.hook@nimboxx.com>
Ján Tomko [Tue, 16 Dec 2014 09:40:58 +0000 (10:40 +0100)]
Always check return value of qemuDomainObjExitMonitor
Depending on the context, either error out if the domain
has disappeared in the meantime, or just ignore the value
to allow marking the function as ATTRIBUTE_RETURN_CHECK.
If the domain crashed while we were in monitor,
we cannot rely on the REALLOC done on live definition,
since vm->def now points to the persistent definition.
Skip adding the attached devices to domain definition
if the domain crashed.
In AttachChrDevice, the chardev was already added to the
live definition and freed by qemuProcessStop in the case
of a crash. Skip the device removal in that case.
Also skip audit if the domain crashed in the meantime.
Anthony PERARD [Thu, 15 Jan 2015 16:40:19 +0000 (16:40 +0000)]
libxl: Set path to console on domain startup.
The path to the pty of a Xen PV console is set only in
virDomainOpenConsole. But this is done too late. A call to
virDomainGetXMLDesc done before OpenConsole will not have the path to
the pty, but a call after OpenConsole will.
e.g. of the current issue.
Starting a domain with '<console type="pty"/>'
Then:
virDomainGetXMLDesc():
<devices>
<console type='pty'>
<target type='xen' port='0'/>
</console>
</devices>
virDomainOpenConsole()
virDomainGetXMLDesc():
<devices>
<console type='pty' tty='/dev/pts/30'>
<source path='/dev/pts/30'/>
<target type='xen' port='0'/>
</console>
</devices>
The patch intend to have the TTY path on the first call of GetXMLDesc.
This is done by setting up the path at domain start up instead of in
OpenConsole.
Dmitry Guryanov [Tue, 13 Jan 2015 11:27:40 +0000 (14:27 +0300)]
parallels: create container from existing image
It's possible to create a container with existing
disk image as root filesystem. You need to remove
existing disks from PCS VM config and then add a new
one, pointing to your image. And then call PrlVm_RegEx
with PRNVM_PRESERVE_DISK flag.
With this patch you can create such container with
something like this for new domain XML config:
Dmitry Guryanov [Tue, 13 Jan 2015 11:27:38 +0000 (14:27 +0300)]
parallels: commit with PVCF_DETACH_HDD_BUNDLE flag
PCS removes disk image from filesystem, if you remove it
from config. There is a special flag PVCF_DETACH_HDD_BUNDLE
which allow to remove disk only from VM/CT config.
If you call virDomainDefine and remove some disk from
config it should be preserved, so call PrlVm_CommitEx
always with flag PVCF_DETACH_HDD_BUNDLE.
Dmitry Guryanov [Tue, 13 Jan 2015 11:27:36 +0000 (14:27 +0300)]
add ploop fs driver type
Ploop is a pseudo device which makeit possible to access
to an image in a file as a block device. Like loop devices,
but with additional features, like snapshots, write tracker
and without double-caching.
It used in PCS for containers and in OpenVZ. You can manage
ploop devices and images with ploop utility
(http://git.openvz.org/?p=ploop).
John Ferlan [Fri, 16 Jan 2015 11:40:15 +0000 (06:40 -0500)]
network: Resolve Coverity FORWARD_NULL
Commit id 'ca481a6f' added virNetworkRouteDefFree which may be called
in an error path from lxcAddNetworkRouteDefinition with 'route = NULL'.
So just add the (!def) at the top to resolve.
The 'virsh edit' command gets XML validation enabled by default,
with a --skip-validate option to disable it. The 'virsh define'
and 'virsh create' commands get a --validate option to enable
it, to avoid regressions for existing scripts.
The quality of error reporting from libxml2 varies depending
on the type of XML error made. Sometimes it is quite clear
and useful, other times it is obscure & inaccurate. At least
the user will see an error now, rather than having their
XML modification silently disappear.
Erik Skultety [Thu, 15 Jan 2015 13:14:17 +0000 (14:14 +0100)]
qemu: Tweak auto adding PCI bridge controller when extending default PCI bus
In case we find out, there are more PCI devices to be connected
than there are available slots on the default PCI bus, we automatically add a
new bus and a related PCI bridge controller as well. As there are no free slots
left on the default PCI bus, PCI bridge controller gets a free slot on a
newly created PCI bus which causes qemu to refuse to start the guest.
This fix introduces a new function qemuDomainPCIBusFullyReserved which
is checked right before we possibly try to reserve a slot for PCI bridge
controller.
John Ferlan [Fri, 9 Jan 2015 16:02:05 +0000 (11:02 -0500)]
domain_conf: Check errors from virSocketAddrFormat
Commit id 'aa2cc721' added calls to virSocketAddrFormat but did not
check for a NULL (error) return which could lead to bad output
in the XML file. Need to check for NULL return and cause failure.
Cédric Bosdonnat [Wed, 14 Jan 2015 13:21:10 +0000 (14:21 +0100)]
Move code related to network routes to networkcommon_conf.[ch]
Moving code for parsing and formatting network routes to
networkcommon_conf helps reusing those routes for domains. The route
definition has been hidden to help reducing the number of unnecessary
checks in the format function.
When updating a network and adding new ip-dhcp-host entry, the deamon
may crash. The problem is, we iterate over existing <host/> entries
trying to compare MAC addresses to see if there's already an existing
rule. However, not all entries are required to have MAC address. For
instance, the following is perfectly valid entry:
When the checking loop iterates over this, the entry's MAC address is
accessed directly. Well, the fix is obvious - check if the address is
defined before trying to compare it.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Add support for schema validation when passing in XML
The virDomainDefineXMLFlags and virDomainCreateXML APIs both
gain new flags allowing them to be told to validate XML.
This updates all the drivers to turn on validation in the
XML parser when the flags are set
Log dtrace/systemd probes at INFO level instead of DEBUG
Every dtrace/systemd probe also include a libvirt log message.
These are logged at level DEBUG currently, which means if you
want to see all probes they are drowned by the rest of the
DEBUG messages. Since we don't really use the INFO log level
for much, it seems reasonable to suggest we log all probes at
level INFO.
When debugging libvirt it is helpful to set probes around RPC
calls. We already have probes for libvirt's native RPC layer,
so it makes sense to add them for the DBus RPC layer too.
Add support for systemd-machined CreateMachineWithNetwork
systemd-machined introduced a new method CreateMachineWithNetwork
that obsoletes CreateMachine. It expects to be given a list of
VETH/TAP device indexes for the host side device(s) associated
with a container/machine.
This falls back to the old CreateMachine method when the new
one is not supported.
When we meet error in qemuMigrationPrepareAny and goto
cleanup with rc < 0, we forget clear the priv->origname and this
will make this vm migrate fail next time because leave a wrong
origname in priv, and will Generate a wrong cookie when do
migrate next time.
This patch will make priv->origname is NULL when migrate fail
in target host.
Ján Tomko [Wed, 7 Jan 2015 13:50:34 +0000 (14:50 +0100)]
Fix vmdef usage while in monitor in qemu process
Make local copy of the disk alias in qemuProcessInitPasswords,
instead of referencing the one in domain definition, which
might get freed if the domain crashes while we're in monitor.
Ján Tomko [Tue, 16 Dec 2014 08:30:49 +0000 (09:30 +0100)]
Fix vmdef usage while in monitor in qemuDomainHotplugVcpus
Exit the monitor right after we've done with it to get
the virDomainObjPtr lock back, otherwise we might be accessing
vm->def while it's being cleaned up by qemuProcessStop.
If the domain crashed while we were in the monitor, exit
early instead of changing vm->def which is now the persistent
definition.
check IOMMU group devices usage when preparing device for vfio passthrough
The virsh start <domain> fails with qemu error when the hostdevices of the
same iommu group are used actively by other vms. It is not clear which
hostdev from the same iommu group is used by any of the running guests.
User has to go through every guest xml to figure out who is using the
hostdev of same iommu group.
Solution:
Iterate the iommu group of the hostdev and error our neatly in case a
device in the same iommu group is busy. Reattach code also does the same
kind of check, remove duplicate code as well.
Signed-off-by: Shivaprasad G Bhat <sbhat@linux.vnet.ibm.com> Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Kiarie Kahurani [Tue, 16 Dec 2014 04:30:06 +0000 (21:30 -0700)]
libxl: Add support for parsing/formating Xen XL config
Now that xenconfig supports parsing and formatting Xen's
XL config format, integrate it into the libxl driver's
connectDomainXML{From,To}Native functions.
Signed-off-by: Kiarie Kahurani <davidkiarie4@gmail.com> Signed-off-by: Jim Fehlig <jfehlig@suse.com>
Jim Fehlig [Sat, 10 Jan 2015 00:12:52 +0000 (17:12 -0700)]
Introduce support for parsing/formatting Xen xl config format
Introduce a parser/formatter for the xl config format. Since the
deprecation of xm/xend, the VM config file format has diverged as
new features are added to libxl. This patch adds support for parsing
and formating the xl config format. It supports the existing xm config
format, plus adds support for spice graphics and xl disk config syntax.
Disk config is specified a bit differently in xl as compared to xm. In
xl, disk config consists of comma-separated positional parameters and
keyword/value pairs separated by commas. Positional parameters are
specified as follows
target, format, vdev, access
Supported keys for key=value options are
devtype, backendtype
The positional paramters can also be specified in key/value form. For
example the following xl disk config are equivalent
See $xen_sources/docs/misc/xl-disk-configuration.txt for more details.
xl disk config is parsed with the help of xlu_disk_parse() from
libxlutil, libxl's utility library. Although the library exists
in all Xen versions supported by the libxl virt driver, only
recently has the corresponding header file been included. A check
for the header is done in configure.ac. If not found, xlu_disk_parse()
is declared externally.
Signed-off-by: Kiarie Kahurani <davidkiarie4@gmail.com> Signed-off-by: Jim Fehlig <jfehlig@suse.com>
Pavel Hrdina [Wed, 10 Dec 2014 14:31:23 +0000 (15:31 +0100)]
qemu_process: detect updated video ram size values from QEMU
QEMU internally updates the size of video memory if the domain XML had
provided too low memory size or there are some dependencies for a QXL
devices 'vgamem' and 'ram' size. We need to know about the changes and
store them into the status XML to not break migration or managedsave
through different libvirt versions.
The values would be loaded only if the "vgamem_mb" property exists for
the device. The presence of the "vgamem_mb" also tells that the
"ram_size" and "vram_size" exists for QXL devices.
Pavel Hrdina [Tue, 9 Dec 2014 15:21:45 +0000 (16:21 +0100)]
qemu_monitor: introduce new function to get QOM path
The search is done recursively only through QOM object that has a type
prefixed with "child<" as this indicate that the QOM is a parent for
other QOM objects.
The usage is that you give known device name with starting path where to
search.
Pavel Hrdina [Tue, 13 Jan 2015 12:33:43 +0000 (13:33 +0100)]
qemu_driver: fix setting vcpus for offline domain
Commit e3435caf fixed hot-plugging of vcpus with strict memory pinning
on NUMA hosts, but unfortunately it also broke updating number of vcpus
for offline guests using our API.
The issue is that we try to create a cpu cgroup for non-running guest
which fails as there are no cgroups for that domain. We should create
cgroups and update cpuset.mems only if we are hot-plugging.
So, there are still plenty of vNIC types that we don't know how to set
bandwidth on. Let's warn explicitly in case user has requested it
instead of pretending everything was set.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Shanzhi Yu [Sat, 6 Dec 2014 16:32:18 +0000 (00:32 +0800)]
qemu: snapshot: inactive external snapshot can't work after libvirtd restart
When create inactive external snapshot, after update disk definitions,
virDomainSaveConfig is needed, if not after restart libvirtd the new snapshot
file definitions in xml will be lost.
Reproduce steps:
1. prepare a shut off guest
$ virsh domstate rhel7 && virsh domblklist rhel7
shut off
There's this function virNetDevBandwidthParse which parses the
bandwidth XML snippet. But it's not clever much. For the
following XML it allocates the virNetDevBandwidth structure even
though it's completely empty:
<bandwidth>
</bandwidth>
Later in the code there are some places where we check if
bandwidth was set or not. And since we obtained pointer from the
parsing function we think that it is when in fact it isn't.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Give virDomainDef parser & formatter their own flags
The virDomainDefParse* and virDomainDefFormat* methods both
accept the VIR_DOMAIN_XML_* flags defined in the public API,
along with a set of other VIR_DOMAIN_XML_INTERNAL_* flags
defined in domain_conf.c.
This is seriously confusing & error prone for a number of
reasons:
- VIR_DOMAIN_XML_SECURE, VIR_DOMAIN_XML_MIGRATABLE and
VIR_DOMAIN_XML_UPDATE_CPU are only relevant for the
formatting operation
- Some of the VIR_DOMAIN_XML_INTERNAL_* flags only apply
to parse or to format, but not both.
This patch cleanly separates out the flags. There are two
distint VIR_DOMAIN_DEF_PARSE_* and VIR_DOMAIN_DEF_FORMAT_*
flags that are used by the corresponding methods. The
VIR_DOMAIN_XML_* flags received via public API calls must
be converted to the VIR_DOMAIN_DEF_FORMAT_* flags where
needed.
The various calls to virDomainDefParse which hardcoded the
use of the VIR_DOMAIN_XML_INACTIVE flag change to use the
VIR_DOMAIN_DEF_PARSE_INACTIVE flag.
Decouple CPU XML formatting from domain XML public API flags
The virCPUDefFormat* methods were relying on the VIR_DOMAIN_XML_*
flag definitions. It is not desirable for low level internal
functions to be coupled to flags for the public API, since they
may need to be called from several different contexts where the
flags would not be appropriate.
Eric Blake [Mon, 12 Jan 2015 23:13:21 +0000 (16:13 -0700)]
qemu: forbid second blockcommit during active commit
https://bugzilla.redhat.com/show_bug.cgi?id=1135339 documents some
confusing behavior when a user tries to start an inactive block
commit in a second connection while there is already an on-going
active commit from a first connection. Eventually, qemu will
support multiple simultaneous block jobs, but as of now, it does
not; furthermore, libvirt also needs an overhaul before we can
support simultaneous jobs. So, the best way to avoid confusing
ourselves is to quit relying on qemu to tell us about the situation
(where we risk getting in weird states) and instead forbid a
duplicate block commit ourselves.
Note that we are still relying on qemu to diagnose attempts to
interrupt an inactive commit (since we only track XML of an active
commit), but as inactive commit is less confusing for libvirt to
manage, there is less that can go wrong by leaving that detection
up to qemu.
* src/qemu/qemu_driver.c (qemuDomainBlockCommit): Hoist check for
active commit to occur earlier outside of conditions.
Fix flags passed to virDomainDefParseString by XenAPI driver
The XenAPI driver was passing the flags for
virDomainCreateXML straight into the virDomainDefParseString
method, even though they expect totally different sets of
flags. It should have been using VIR_DOMAIN_XML_INACTIVE
The virDomainDefineXML method is one of the few that still lacks
an 'unsigned int flags' parameter. This will be needed for adding
XML validation to this API. virDomainCreateXML fortunately already
has flags.
When we try to hotplug a channel chr device with no target, we
will get success (which should fail) in virDomainChrDefParseXML,
because we use goto cleanup this place and return an incomplete
definition (with no target). In qemuDomainAttachChrDevice,
we add it to the domain definition, but fail to remove it from
there when chardev-add fails, because virDomainChrRemove
matches chardevices according to the target name.
The device definition is then freed in qemuDomainAttachDeviceFlags,
leaving a stale pointer in the domain definition.
Signed-off-by: Luyao Huang <lhuang@redhat.com> Signed-off-by: Ján Tomko <jtomko@redhat.com>
qemu: Allow enabling/disabling features with host-passthrough
QEMU supports feature specification with -cpu host and we just skip
using that. Since QEMU developers themselves would like to use this
feature, this patch modifies the code to work.
Michal Privoznik [Mon, 12 Jan 2015 14:47:52 +0000 (15:47 +0100)]
qemuxml2argvtest: Fix test after change of qxl vgamem_mb default
Well, apparently it's possible for a patch to sneak in through
review process and break 'make check'. It happened just lately
with 0e502466acb84a which changed the default of vgamem_mb for
qxl device. However, there were left some domain XMLs within our
test suite relying on the old default. These should be updated to
match the change.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Daniel Hansel [Fri, 19 Dec 2014 14:49:35 +0000 (15:49 +0100)]
cpu: Bugfix for s390 CPU driver to return a host CPU model
The curent libvirt CPU driver for s390 does not return a host CPU model.
This patch returns 'host' according to the other platforms that would
not decode any CPU model.
This is an intermediate bugfix due to a discussion on OpenStack mailing
list. The final patch introducing the CPU model support for s390x will
exchange the hard-coded decode method.
Signed-off-by: Daniel Hansel <daniel.hansel@linux.vnet.ibm.com>
John Ferlan [Fri, 9 Jan 2015 13:42:13 +0000 (08:42 -0500)]
virconf: Resolve a possible memory leak in virConfSetValue
Found this one by inspection... The API claims to "own" the input
value even in the case of error. However, in the initial entry
to the API if the value exists, was STRING, but without a str value
it just returned without freeing the 'value' which it claims to now
own. So I added the virConfFreeValue() call in order to resolve.
John Ferlan [Fri, 9 Jan 2015 15:48:37 +0000 (10:48 -0500)]
openvz: Check errors from virSocketAddrFormat
Commit id 'a4e86390' modified the command line to allow --ipadd multiple
times; however, it did not account for the condition where a NULL is
returned which will could lead to some interesting errors with multiple
--ipadd's without parameters.
John Ferlan [Fri, 9 Jan 2015 12:38:17 +0000 (07:38 -0500)]
openvz: Resolve Coverity RESOURCE_LEAK
Commit id 'a4e86390' modified the command line to allow --ipadd multiple
times, which caused Coverity to notice a latent memory leak with the
'ipAddr' string not being VIR_FREE()'d
Pavel Hrdina [Mon, 12 Jan 2015 12:18:46 +0000 (13:18 +0100)]
qxl: change the default value for vgamem_mb to 16 MiB
The default value should be 16 MiB instead of 8 MiB. Only really old
version of upstream QEMU used the 8 MiB as default for vga framebuffer.
Without this change if you update your libvirt where we introduced the
"vgamem" attribute for QXL video device the value will be set to 8 MiB,
but previously your guest had 16 MiB because we didn't pass any value to
QEMU command line which means QEMU used its own 16 MiB as default.
This will affect all users with guest's display resolution higher than
1920x1080.
docs: Document some -boot option limitations on UEFI
It was brought to my attention that some -boot options may not
work with UEFI. For instance, rebootTimeout is very SeaBIOS
specific,splash logo is not implemented yet on OVMF, and so on.
We should document this limitation at least.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Hao Liu [Thu, 11 Dec 2014 02:46:15 +0000 (10:46 +0800)]
virsh: Emit error for VSH_OT_DATA without VSH_OFLAG_REQ
Commit 6b9964 enforces checking invalid use of VSH_OT_STRING with
VSH_OFLAG_REQ. This commit tries to do the same thing to stop using
VSH_OT_DATA without VSH_OFLAG_REQ and also fix existing misuse.
Ján Tomko [Wed, 7 Jan 2015 15:49:00 +0000 (16:49 +0100)]
safezero: fall back to writing zeroes even when resizing
Remove the resize flag and use the same code path for all callers.
This flag was added by commit 18f0316 to allow virStorageFileResize
use 'safezero' while preserving the behavior.
Explicitly return -2 when a fallback to a different method should
be done, to make the code path more obvious.
Fail immediately when ftruncate fails in the mmap method,
as we did before commit 18f0316.
John Ferlan [Fri, 9 Jan 2015 12:36:01 +0000 (07:36 -0500)]
virsh.pod: Update description
The 'pool-build' command description for --overwrite and --no-overwrite
indicated usage for only 'filesystem' pools; however, the 'disk' pool
also supports the flags as of commit id 'afa1029a'. So add a description
for that usage.
Eric Blake [Thu, 8 Jan 2015 00:05:36 +0000 (17:05 -0700)]
maint: in src/Makefile.am, $(top_srcdir)/src is verbose
I noticed this while working on a previous commit. Why should
we be calling out '../src/' when it is sufficient to refer to just
'./'? Blind copy-and-paste runs rampant in this file :)
* src/Makefile.am (INCLUDES, *_CFLAGS): Shorten to $(srcdir).
Pavel Hrdina [Thu, 8 Jan 2015 06:54:22 +0000 (07:54 +0100)]
src/Makefile: Fix parallel build after xen_xl_disk parser introduction
Well, the parallel build doesn't work as there are not dependencies
set correctly. When running 'make -j' I see this error:
make[2]: Entering directory '/home/zippy/work/libvirt/libvirt.git/src'
GEN util/virkeymaps.h
GEN locking/lock_protocol.h
make[2]: *** No rule to make target 'xenconfig/xen_xl_disk.h', needed by 'all'. Stop.
make[2]: *** Waiting for unfinished jobs....
GEN lxc/lxc_controller_dispatch.h
The fix is to correctly set dependencies by letting make know that .c
and .h are to be generated from .l. Moreover, the section is moved
closer to the other section which uses it.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com> Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
Geoff Hickey [Wed, 7 Jan 2015 23:45:42 +0000 (18:45 -0500)]
vmx: Fix a VMX parsing problem
VMware ESX does not always set the "serialX.fileType" tag in VMX files. The
default value for this tag is "device", and when adding a new serial port
of this type VMware will omit the fileType tag. This caused libvirt to
fail to parse the VMX file. Fixed by making this tag optional and using
"device" as a default value. Also updated vmx2xmltest to test for this
case.
Eric Blake [Wed, 7 Jan 2015 23:32:32 +0000 (16:32 -0700)]
build: fix xenconfig VPATH builds
Ever since commit 2c78051 split out a helper library for the sake of
changing CFLAGS, a VPATH build with xenconfig enabled has failed:
CC xenconfig/libvirt_xenxldiskparser_la-xen_xl_disk.lo
../../src/xenconfig/xen_xl_disk.l:37:21: fatal error: xen_xl.h: No such file or directory
# include "xen_xl.h"
^
compilation terminated.
Makefile:9462: recipe for target 'xenconfig/libvirt_xenxldiskparser_la-xen_xl_disk.lo' failed
The solution is to tell the build to look for xen_xl.h relative
to $(srcdir), since we keep that file under version control.
[Not fixed here - the raw use of -Wno-unused-parameter in CFLAGS
is NOT portable; ideally, we should be doing a configure test
and only supplying that argument when we know the compiler supports
-Wunused-parameter; but that's a patch for another day]
[Not fixed here - there are still issues with parallel builds hitting
a race between generating the files and trying to compile/distribute
them]
* src/Makefile.am (libvirt_xenxldiskparser_la_CFLAGS): Add another
include directory.
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