All USE Flags
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abi_x86_32 - 1 package(s)
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abi_x86_64 - 1 package(s)
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alsa - 3 package(s)
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amd64 - 1 package(s)
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apidoc - 1 package(s)
Provide doxygen generated API docs
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asm - 1 package(s)
Support assembly hand optimized crypto functions (i.e. faster run time)
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bios - 1 package(s)
Enable BIOS/MBR boot support.
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bios-cd - 1 package(s)
Enables BIOS boot support for CDs.
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bios-pxe - 1 package(s)
Enables BIOS PXE boot support.
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cpu_flags_x86_sse2 - 1 package(s)
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crypt - 1 package(s)
Support decryption and verification of PGP/MIME
messages and in Emacs UI - encryption; support also S/MIME
signature verification since version 0.22
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cups - 3 package(s)
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ddr - 1 package(s)
Enable Direct Dump Reader
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debug - 2 package(s)
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decompression - 1 package(s)
Enable decompression with zlib/zstd
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doc - 3 package(s)
Install API documentation
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dwarfexample - 1 package(s)
Install dwarfexample bin
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dwarfgen - 1 package(s)
Install dwarfgen bin
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emacs - 1 package(s)
Install Emacs UI (the main one)
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embedded-editor - 1 package(s)
Embedded editor
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fips - 1 package(s)
Enable FIPS provider
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headless-awt - 4 package(s)
Don't install the X backend for AWT, needed by some GUIs
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javafx - 1 package(s)
Import OpenJFX modules at build time, via <pkg>dev-java/openjfx</pkg>
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jbootstrap - 1 package(s)
Build OpenJDK twice, the second time using the result of the first
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jitserver - 1 package(s)
OpenJ9 JITServer support
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ktls - 1 package(s)
Enable support for Kernel implementation of TLS (kTLS)
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lto - 1 package(s)
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lttng - 1 package(s)
Install support libraries for LTTng with .NET.
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mutt - 1 package(s)
Install helper script for Mutt
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nmbug - 1 package(s)
Install experimental tag sharing /
pseudo-bug-tracking script for Notmuch
(see http://notmuchmail.org/nmbug/)
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numa - 1 package(s)
Enable NUMA support using sys-process/numactl (NUMA kernel support is also required)
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plugins - 1 package(s)
Plugins
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profile - 1 package(s)
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python - 1 package(s)
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quic - 1 package(s)
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rfc3779 - 1 package(s)
Enable support for RFC 3779 (X.509 Extensions for IP Addresses and AS Identifiers)
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sctp - 1 package(s)
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selinux - 3 package(s)
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source - 2 package(s)
Install JVM sources
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static-libs - 2 package(s)
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systemtap - 1 package(s)
Enable SystemTAP/DTrace tracing
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terminal - 1 package(s)
Embedded terminal
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test - 3 package(s)
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tls-compression - 1 package(s)
Enable support for discouraged TLS compression
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uefi - 1 package(s)
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uefi-cd - 1 package(s)
Enable building cd-efi.bin using <pkg>sys-fs/mtools</pkg>.
This flag was previously known as eltorito-efi.
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vanilla - 1 package(s)
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weak-ssl-ciphers - 1 package(s)
Build support for SSL/TLS ciphers that are considered "weak"
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x86 - 1 package(s)