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libvirt/meson_options.txt
Laine Stump 3855f9fbd4 network: prefer the nftables backend over iptables 
The patch that added the nftables backend for virtual networks left
iptables as the default backend when both nftables and iptables are
installed.

The only functional difference between the two backends is that the
nftables backend doesn't add any rules to fix up the checksum of DHCP
packets, which will cause failures on guests with very old OSes
(e.g. RHEL5) that have a virtio-net network interface using vhost
packet processing (the default), connected to a libvirt virtual
network, and configured to acquire the interface IP using DHCP. Since
RHEL5 has been out of support for several years already, we might as
well start off nftables support right by making it the default.

Distros that aren't quite ready to default to nftables (e.g. maybe
they're rebasing libvirt within a release and don't want to surprise
anyone with an automatic switch from iptables to nftables) can simply
run meson with "-Dfirewall_backend=iptables" during their official
package build.

In the extremely unlikely case that this causes a problem for a user,
they can work around the failure by adding "<driver name='qemu'/> to
the guest <interface> element.

Signed-off-by: Laine Stump <laine@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
2024-05-22 23:20:37 -04:00

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option('no_git', type: 'boolean', value: false, description: 'Disable git submodule update')
option('packager', type: 'string', value: '', description: 'Extra packager name')
option('packager_version', type: 'string', value: '', description: 'Extra packager version')
option('system', type: 'boolean', value: false, description: 'Set install paths to system ones')
option('runstatedir', type: 'string', value: '', description: 'State directory for temporary sockets, pid files, etc')
option('initconfdir', type: 'string', value: '', description: 'directory for init script configuration files')
# dep:tests
option('expensive_tests', type: 'feature', value: 'auto', description: 'set the default for enabling expensive tests (long timeouts)')
option('test_coverage', type: 'boolean', value: false, description: 'turn on code coverage instrumentation')
option('git_werror', type: 'feature', value: 'auto', description: 'use -Werror if building from GIT')
option('rpath', type: 'feature', value: 'auto', description: 'whether to include rpath information in installed binaries and libraries')
option('docdir', type: 'string', value: '', description: 'documentation installation directory')
option('docs', type: 'feature', value: 'auto', description: 'whether to generate documentation')
option('tests', type: 'feature', value: 'auto', description: 'whether to build and run tests')
# build dependencies options
option('apparmor', type: 'feature', value: 'auto', description: 'apparmor support')
option('attr', type: 'feature', value: 'auto', description: 'attr support')
option('audit', type: 'feature', value: 'auto', description: 'audit support')
# dep:readline
option('bash_completion', type: 'feature', value: 'auto', description: 'bash-completion support')
option('bash_completion_dir', type: 'string', value: '', description: 'directory containing bash completion scripts')
option('blkid', type: 'feature', value: 'auto', description: 'blkid support')
option('capng', type: 'feature', value: 'auto', description: 'cap-ng support')
option('curl', type: 'feature', value: 'auto', description: 'curl support')
option('fuse', type: 'feature', value: 'auto', description: 'fuse support')
option('glusterfs', type: 'feature', value: 'auto', description: 'glusterfs support')
option('libiscsi', type: 'feature', value: 'auto', description: 'libiscsi support')
option('libnl', type: 'feature', value: 'auto', description: 'libnl support')
option('libpcap', type: 'feature', value: 'auto', description: 'libpcap support')
option('libssh', type: 'feature', value: 'auto', description: 'libssh support')
option('libssh2', type: 'feature', value: 'auto', description: 'libssh2 support')
option('netcf', type: 'feature', value: 'auto', description: 'netcf support')
option('nls', type: 'feature', value: 'auto', description: 'nls support')
option('numactl', type: 'feature', value: 'auto', description: 'numactl support')
option('openwsman', type: 'feature', value: 'auto', description: 'openwsman support')
option('pciaccess', type: 'feature', value: 'auto', description: 'pciaccess support')
option('polkit', type: 'feature', value: 'auto', description: 'use PolicyKit for UNIX socket access checks')
option('readline', type: 'feature', value: 'auto', description: 'readline support')
option('sanlock', type: 'feature', value: 'auto', description: 'sanlock support')
option('sasl', type: 'feature', value: 'auto', description: 'sasl support')
option('selinux', type: 'feature', value: 'auto', description: 'selinux support')
option('selinux_mount', type: 'string', value: '', description: 'set SELinux mount point')
option('sshconfdir', type: 'string', value: '', description: 'directory for SSH client configuration')
# dep:pciaccess
option('udev', type: 'feature', value: 'auto', description: 'udev support')
# dep:driver_remote
option('wireshark_dissector', type: 'feature', value: 'auto', description: 'wireshark support')
option('wireshark_plugindir', type: 'string', value: '', description: 'wireshark plugins directory for use when installing wireshark plugin')
option('yajl', type: 'feature', value: 'auto', description: 'yajl support')
# build driver options
option('driver_bhyve', type: 'feature', value: 'auto', description: 'bhyve driver')
# dep:curl
option('driver_esx', type: 'feature', value: 'auto', description: 'esx driver')
# dep:openwsman
option('driver_hyperv', type: 'feature', value: 'auto', description: 'Hyper-V driver')
# dep:pciaccess dep:udev dep:driver_remote dep:driver_libvirtd
option('driver_interface', type: 'feature', value: 'auto', description: 'host interface driver')
# dep:driver_remote
option('driver_libvirtd', type: 'feature', value: 'auto', description: 'libvirtd driver')
# dep:driver_remote dep:driver_libvirtd
option('driver_libxl', type: 'feature', value: 'auto', description: 'libxenlight driver')
# dep:driver_remote dep:driver_libvirtd
option('driver_lxc', type: 'feature', value: 'auto', description: 'Linux Container driver')
# dep:curl dep:yajl dep:driver_remote dep:driver_libvirtd
option('driver_ch', type: 'feature', value: 'auto', description: 'Cloud-Hypervisor driver')
option('ch_user', type: 'string', value: '', description: 'username to run Cloud-Hypervisor system instance as')
option('ch_group', type: 'string', value: '', description: 'groupname to run Cloud-Hypervisor system instance as')
# dep:driver_remote dep:driver_libvirtd
option('driver_network', type: 'feature', value: 'auto', description: 'virtual network driver')
option('driver_openvz', type: 'feature', value: 'auto', description: 'OpenVZ driver')
# dep:yajl dep:driver_remote dep:driver_libvirtd
option('driver_qemu', type: 'feature', value: 'auto', description: 'QEMU/KVM driver')
option('qemu_user', type: 'string', value: '', description: 'username to run QEMU system instance as')
option('qemu_group', type: 'string', value: '', description: 'groupname to run QEMU system instance as')
option('qemu_moddir', type: 'string', value: '', description: 'set the directory where QEMU modules are located')
option('qemu_datadir', type: 'string', value: '', description: 'set the directory where QEMU shared data is located')
option('driver_remote', type: 'feature', value: 'auto', description: 'remote driver')
option('remote_default_mode', type: 'combo', choices: ['legacy', 'direct'], value: 'direct', description: 'remote driver default mode')
option('driver_secrets', type: 'feature', value: 'auto', description: 'local secrets management driver')
option('driver_test', type: 'feature', value: 'auto', description: 'test driver')
option('driver_vbox', type: 'feature', value: 'auto', description: 'VirtualBox XPCOMC driver')
option('vbox_xpcomc_dir', type: 'string', value: '', description: 'Location of directory containing VirtualBox XPCOMC library')
option('driver_vmware', type: 'feature', value: 'auto', description: 'VMware driver')
option('driver_vz', type: 'feature', value: 'auto', description: 'Virtuozzo driver')
option('secdriver_apparmor', type: 'feature', value: 'auto', description: 'use AppArmor security driver')
# dep:secdriver_apparmor
option('apparmor_profiles', type: 'feature', value: 'auto', description: 'install apparmor profiles')
# dep:selinux
option('secdriver_selinux', type: 'feature', value: 'auto', description: 'use SELinux security driver')
# storage driver options
option('storage_dir', type: 'feature', value: 'auto', description: 'directory backend for the storage driver')
option('storage_disk', type: 'feature', value: 'auto', description: 'GPartd Disk backend for the storage driver')
option('storage_fs', type: 'feature', value: 'auto', description: 'FileSystem backend for the storage driver')
option('storage_gluster', type: 'feature', value: 'auto', description: 'Gluster backend for the storage driver')
option('storage_iscsi', type: 'feature', value: 'auto', description: 'iscsi backend for the storage driver')
option('storage_iscsi_direct', type: 'feature', value: 'auto', description: 'iscsi-direct backend for the storage driver')
option('storage_lvm', type: 'feature', value: 'auto', description: 'LVM backend for the storage driver')
option('storage_mpath', type: 'feature', value: 'auto', description: 'mpath backend for the storage driver')
option('storage_rbd', type: 'feature', value: 'auto', description: 'RADOS Block Device backend for the storage driver')
option('storage_scsi', type: 'feature', value: 'auto', description: 'SCSI backend for the storage driver')
option('storage_vstorage', type: 'feature', value: 'auto', description: 'Virtuozzo storage backend for the storage driver')
option('storage_zfs', type: 'feature', value: 'auto', description: 'ZFS backend for the storage driver')
# build feature options
option('chrdev_lock_files', type: 'string', value: '', description: 'location for UUCP style lock files for character devices (leave empty for default paths on some platforms)')
option('dtrace', type: 'feature', value: 'auto', description: 'use dtrace for static probing')
option('firewalld', type: 'feature', value: 'auto', description: 'firewalld support')
# dep:firewalld
option('firewalld_zone', type: 'feature', value: 'auto', description: 'whether to install firewalld libvirt zone')
option('firewall_backend_default_1', type: 'string', value: 'nftables', description: 'first firewall backend to try when none is specified')
option('firewall_backend_default_2', type: 'string', value: 'iptables', description: 'second firewall backend to try when none is specified (and first is unavailable)')
option('host_validate', type: 'feature', value: 'auto', description: 'build virt-host-validate')
option('init_script', type: 'combo', choices: ['systemd', 'openrc', 'check', 'none'], value: 'check', description: 'Style of init script to install')
option('loader_nvram', type: 'string', value: '', description: 'Pass list of pairs of <loader>:<nvram> paths. Both pairs and list items are separated by a colon.')
option('login_shell', type: 'feature', value: 'auto', description: 'build virt-login-shell')
# dep:yajl dep:driver_network dep:libvirtd
option('nss', type: 'feature', value: 'auto', description: 'enable Name Service Switch plugin for resolving guest IP addresses')
# dep:numactl
option('numad', type: 'feature', value: 'auto', description: 'use numad to manage CPU placement dynamically')
option('nbdkit', type: 'feature', value: 'auto', description: 'Build nbdkit storage backend')
# dep:nbdkit
option('nbdkit_config_default', type: 'feature', value: 'auto', description: 'Whether to use nbdkit storage backend for network disks by default (configurable)')
option('pm_utils', type: 'feature', value: 'auto', description: 'use pm-utils for power management')
option('ssh_proxy', type: 'feature', value: 'auto', description: 'Build ssh-proxy for ssh over vsock')
option('sysctl_config', type: 'feature', value: 'auto', description: 'Whether to install sysctl configs')
# dep:sysctl_config
option('userfaultfd_sysctl', type: 'feature', value: 'auto', description: 'Whether to install sysctl config for enabling unprivileged userfaultfd')
option('tls_priority', type: 'string', value: 'NORMAL', description: 'set the default TLS session priority string')
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