| Flag | Description | Packages |
|---|---|---|
| ${IUSE} | 2 | |
| X | 2 | |
| debug | 4 | |
| drm | Enables VA/DRM API support. | 2 |
| gcrypt | Enable <pkg>dev-libs/libgcrypt</pkg> plugin which provides 3DES, AES, Blowfish, Camellia, CAST, DES, Serpent and Twofish ciphers along with MD4, MD5 and SHA1/2 hash algorithms, RSA and DH groups 1,2,5,14-18 and 22-24(4.4+). Also includes a software random number generator. | 2 |
| ipv6 | 2 | |
| kerberos | Enable CredSPP support + Kerberos authentication with <pkg>net-libs/libgssglue</pkg> | 4 |
| lz4 | Enable lz4 compression for the journal | 2 |
| pam | 3 | |
| selinux | 3 | |
| static-libs | 3 | |
| tcpd | 2 | |
| test | 3 | |
| wayland | 2 |
| Flag | Description | Packages |
|---|---|---|
| openssl | Use OpenSSL as the backend crypto library | 2 |
| pkcs11 | Enable PKCS#11 smartcard support | 2 |
| Flag | Description |
|---|---|
| iodbc | |
| mssql | |
| odbc |
| Flag | Description |
|---|---|
| native-extensions |
| Flag | Description |
|---|---|
| libressl | |
| speex | |
| theora |
| Flag | Description |
|---|---|
| aac | Enables streaming via the MPEG-4 AAC codec |
| flac | Enables recording via the FLAC codec |
| mp3 | Enables streaming via the MP3 codec |
| ogg | |
| opus | Enables streaming via the Opus codec |
| vorbis | Enables streaming via the vorbis codec |
| Flag | Description |
|---|---|
| jack |
| Flag | Description |
|---|---|
| caps | |
| junction | |
| ldap | |
| libmount | |
| nfsdcld | |
| nfsidmap | |
| nfsv4 | |
| nfsv41 | |
| sasl | |
| uuid |
| Flag | Description |
|---|---|
| doc |
| Flag | Description |
|---|---|
| alsa | |
| ao | |
| libsamplerate | |
| oss | |
| pcsc-lite | Enable smartcard support with <pkg>sys-apps/pcsc-lite</pkg> driver |
| xrandr | Enable XRandR window extension support |
| Flag | Description |
|---|---|
| l10n_ | |
| l10n_$lingua |
| Flag | Description |
|---|---|
| upnp |
| Flag | Description |
|---|---|
| dco | Enable support for kernel data channel offload |
| down-root | Enable the down-root plugin |
| examples | |
| inotify | |
| iproute2 | Enabled iproute2 support instead of net-tools |
| lzo | |
| mbedtls | Use mbed TLS as the backend crypto library |
| plugins | Enable the OpenVPN plugin system |
| systemd |
| Flag | Description |
|---|---|
| constraints | Enable advanced X.509 constraint checking plugin |
| dhcp | Enable server support for querying virtual IP addresses for clients from a DHCP server. (IKEv2 only) |
| eap | Enable support for the different EAP modules that are supported |
| farp | Enable faking of ARP responses for virtual IP addresses assigned to clients (IKEv2 only) |
| non-root | Force IKEv1/IKEv2 daemons to normal user privileges. This might impose some restrictions mainly to the IKEv1 daemon. Disable only if you really require superuser privileges. |
| strong | |
| strongswan_plugins_ | |
| strongswan_plugins_${mod} | |
| strongswan_plugins_aesni | Enable support for Intel AES-NI crypto plugin |
| strongswan_plugins_blowfish | Enable support for the blowfish plugin |
| strongswan_plugins_ccm | Enable support for the ccm plugin |
| strongswan_plugins_chapoly | Enable ChaCha20/Poly1305 AEAD implementation and ChaCha20 XOF plugin |
| strongswan_plugins_ctr | Enable support for the ctr plugin |
| strongswan_plugins_forecast | Enable multicast and broadcast forwarding plugin |
| strongswan_plugins_gcm | Enable support for the gcm plugin |
| strongswan_plugins_ha | Enable support for the ha plugin |
| strongswan_plugins_ipseckey | Enable support for the ipseckey plugin |
| strongswan_plugins_led | Enable support for the led plugin |
| strongswan_plugins_lookip | Enable support for the lookip plugin |
| strongswan_plugins_newhope | Enable plugin that allows key exchange based on post-quantum computer New Hope algorithm |
| strongswan_plugins_ntru | Enable support for the ntru plugin |
| strongswan_plugins_padlock | Enable support for the padlock plugin |
| strongswan_plugins_rdrand | Enable support for the rdrand plugin |
| strongswan_plugins_save-keys | Enable plugin that saves IKE and/or ESP keys to files compatible with Wireshark (for debugging) |
| strongswan_plugins_systime-fix | Enable support for the systime-fix plugin |
| strongswan_plugins_unbound | Enable support for the unbound plugin |
| strongswan_plugins_unity | Enable support for the unity plugin |
| strongswan_plugins_vici | Enable support for the vici plugin |
| strongswan_plugins_whitelist | Enable support for the whitelist plugin |
| Flag | Description |
|---|---|
| acl | |
| apparmor | Enable AppArmor support |
| audit | Enable support for <pkg>sys-process/audit</pkg> |
| build | |
| cryptsetup | Enable cryptsetup tools (includes unit generator for crypttab) |
| curl | Enable support for uploading journals |
| elfutils | Enable coredump stacktraces in the journal |
| gnuefi | Enable EFI boot manager and stub loader (built using <pkg>sys-boot/gnu-efi</pkg>) |
| http | Enable embedded HTTP server in journald |
| idn | |
| importd | Enable import daemon |
| kmod | Enable kernel module loading via <pkg>sys-apps/kmod</pkg> |
| libidn2 | If IDN support is enabled, use <pkg>net-dns/libidn2</pkg> instead of <pkg>net-dns/libidn</pkg> |
| lzma | |
| nat | Enable support for network address translation in networkd |
| pcre | |
| policykit | |
| qrcode | Enable qrcode output support in journal |
| resolvconf | Install resolvconf symlink for systemd-resolve |
| seccomp | |
| split-usr | Enable this if /bin and /usr/bin are separate directories |
| ssl | |
| sysv-utils | Install sysvinit compatibility symlinks and manpages for init, telinit, halt, poweroff, reboot, runlevel, and shutdown |
| vanilla | Disable Gentoo-specific behavior and compatibility quirks |
| xkb | Depend on <pkg>x11-libs/libxkbcommon</pkg> to allow logind to control the X11 keymap |
| Flag | Description |
|---|---|
| x86emu |
| Flag | Description |
|---|---|
| abi_x86_32 | |
| abi_x86_64 |
| Flag | Description |
|---|---|
| opengl | |
| utils | Install VA-API utility programs. |
| vdpau | |
| video_cards_ |