PackagesEnable just-in-time compilation for improved performance. May prevent use of some PaX memory protection features in Gentoo Hardened.
| Package | “jit” Flag Description |
|---|---|
| app-editors/emacs | Compile with Emacs Lisp native compiler support via libgccjit |
| app-emulation/aranym | Build Just-In-Time compiler variant with increased performance |
| dev-lang/moarvm | Enable Just-In-Time-Compiler. Has no effect except on AMD64 and Darwin. |
| dev-lang/php | Enable PCRE JIT support |
| dev-lang/python | Enable experimental Just-In-Time compilation support. |
| mail-filter/rspamd | Enable PCRE JIT support |
| net-proxy/privoxy | Enable PCRE jit (recommended) |
| sci-ml/XNNPACK | Build with JIT micro-kernels |
| sys-devel/gcc | Enable libgccjit so other applications can embed gcc for Just-In-Time compilation. |
| www-apache/mod_security | Add support for the PCRE Just-in-Time optimisation, as enabled by dev-libs/libpcre with jit USE flag enabled. Might not be available on hardened systems. |