From 71ba891850cc046335870a67012e195226cd84c4 Mon Sep 17 00:00:00 2001 From: Isaac Freund Date: Sun, 22 May 2022 16:17:55 +0200 Subject: [PATCH] docs: expand on -Dcpu in PACKAGING.md --- PACKAGING.md | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/PACKAGING.md b/PACKAGING.md index c306bab..9b4609f 100644 --- a/PACKAGING.md +++ b/PACKAGING.md @@ -37,7 +37,17 @@ at a minimum must be passed. Here are a few other options that are particularly relevant to packagers: -- `-Dcpu=baseline`: Target the baseline CPU, or any other set of CPU features. +- `-Dcpu=baseline`: Build for the "baseline" CPU of the target architecture, +or any other CPU/feature set (e.g. `-Dcpu=x86_64_v2`). + + - Individual features can be added/removed with `+`/`-` + (e.g. `-Dcpu=x86_64+avx2-cmov`). + + - For a list of CPUs see for example `zig targets | jq '.cpus.x86_64 | + keys'`. + + - For a list of features see for example `zig targets | jq + '.cpusFeatures.x86_64'`. - `-Dtarget=x86_64-linux-gnu`: Target architecture, OS, and ABI triple. See the output of `zig targets` for an exhaustive list of targets and CPU features,