From 2d8dd6c0a53cb25ad2665b03e93bc68dc74d4a14 Mon Sep 17 00:00:00 2001
From: FreezyLemon <contact@freezylemon.com>
Date: Sun, 7 Apr 2024 12:37:03 +0200
Subject: [PATCH] Remove num_cpus dependency

available_parallelism is stable in Rust 1.59.0
---
 ffmpeg-sys-the-third/Cargo.toml |  1 -
 ffmpeg-sys-the-third/build.rs   | 10 +++++++---
 2 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/ffmpeg-sys-the-third/Cargo.toml b/ffmpeg-sys-the-third/Cargo.toml
index 49918ff..a184362 100644
--- a/ffmpeg-sys-the-third/Cargo.toml
+++ b/ffmpeg-sys-the-third/Cargo.toml
@@ -24,7 +24,6 @@ doctest = false
 libc = "0.2"
 
 [build-dependencies]
-num_cpus = "1.11"
 cc = "1.0"
 pkg-config = "0.3"
 bindgen = { version = "0.64", default-features = false, features = ["runtime"] }
diff --git a/ffmpeg-sys-the-third/build.rs b/ffmpeg-sys-the-third/build.rs
index 7e43063..f84acde 100644
--- a/ffmpeg-sys-the-third/build.rs
+++ b/ffmpeg-sys-the-third/build.rs
@@ -1,6 +1,5 @@
 extern crate bindgen;
 extern crate cc;
-extern crate num_cpus;
 extern crate pkg_config;
 
 use std::env;
@@ -465,10 +464,15 @@ fn build() -> io::Result<()> {
         ));
     }
 
+    let num_jobs = if let Ok(cpus) = std::thread::available_parallelism() {
+        cpus.to_string()
+    } else {
+        "1".to_string()
+    };
+
     // run make
     if !Command::new("make")
-        .arg("-j")
-        .arg(num_cpus::get().to_string())
+        .arg(format!("-j{num_jobs}"))
         .current_dir(&source())
         .status()?
         .success()