| Flag | Description | Packages |
|---|---|---|
| doc | Install API documentation | 3 |
| headless-awt | Don't install the X backend for AWT, needed by some GUIs (used to be X flag) | 4 |
| test | 3 |
| Flag | Description | Packages |
|---|---|---|
| alsa | 3 | |
| cups | 3 | |
| debug | 2 | |
| selinux | 3 | |
| source | Install JVM sources | 2 |
| Flag | Description | Packages |
|---|---|---|
| static-libs | 2 |
| Flag | Description |
|---|---|
| lttng | Install support libraries for LTTng with .NET. |
| Flag | Description |
|---|---|
| ddr | Enable Direct Dump Reader |
| javafx | Import OpenJFX modules at build time, via <pkg>dev-java/openjfx</pkg> |
| jbootstrap | Build OpenJDK twice, the second time using the result of the first |
| jitserver | OpenJ9 JITServer support |
| lto | |
| numa | Enable NUMA support using sys-process/numactl (NUMA kernel support is also required) |
| systemtap | Enable SystemTAP/DTrace tracing |
| Flag | Description |
|---|---|
| decompression | Enable decompression with zlib/zstd |
| dwarfexample | Install dwarfexample bin |
| dwarfgen | Install dwarfgen bin |
| Flag | Description |
|---|---|
| asm | Support assembly hand optimized crypto functions (i.e. faster run time) |
| cpu_flags_x86_sse2 | |
| fips | Enable FIPS provider |
| ktls | Enable support for Kernel implementation of TLS (kTLS) |
| quic | |
| rfc3779 | Enable support for RFC 3779 (X.509 Extensions for IP Addresses and AS Identifiers) |
| sctp | |
| tls-compression | Enable support for discouraged TLS compression |
| vanilla | |
| weak-ssl-ciphers | Build support for SSL/TLS ciphers that are considered "weak" |
| Flag | Description |
|---|---|
| embedded-editor | Embedded editor |
| plugins | Plugins |
| profile | |
| terminal | Embedded terminal |
| Flag | Description |
|---|---|
| apidoc | Provide doxygen generated API docs |
| crypt | Support decryption and verification of PGP/MIME messages and in Emacs UI - encryption; support also S/MIME signature verification since version 0.22 |
| emacs | Install Emacs UI (the main one) |
| mutt | Install helper script for Mutt |
| nmbug | Install experimental tag sharing / pseudo-bug-tracking script for Notmuch (see http://notmuchmail.org/nmbug/) |
| python |
| Flag | Description |
|---|---|
| abi_x86_32 | |
| abi_x86_64 | |
| amd64 | |
| bios | Enable BIOS/MBR boot support. |
| bios-cd | Enables BIOS boot support for CDs. |
| bios-pxe | Enables BIOS PXE boot support. |
| uefi | |
| uefi-cd | Enable building cd-efi.bin using <pkg>sys-fs/mtools</pkg>. This flag was previously known as eltorito-efi. |
| x86 |