From ebc8b8de19d641c37ab7959a224bcd0ff4c0833f Mon Sep 17 00:00:00 2001
From: Ryan Carsten Schmidt <git@ryandesign.com>
Date: Fri, 12 Apr 2024 19:31:13 -0500
Subject: [PATCH] CI: Use only the active CPUs on macOS

hw.ncpu counts all CPUs including inactive ones. hw.activecpu counts
only the active CPUs.

(cherry picked from commit 97f0ee0f1f903f4e7c4ea23e9b89d687025d2992)
---
 build-aux/ci_build.bash | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/build-aux/ci_build.bash b/build-aux/ci_build.bash
index d40cd3ce..50e98f4c 100755
--- a/build-aux/ci_build.bash
+++ b/build-aux/ci_build.bash
@@ -48,7 +48,7 @@ DEST_DIR="$SRC_DIR/../xz_build"
 PHASE="all"
 ARTIFACTS_DIR_NAME="output"
 
-[[ -z ${CPU_COUNT} ]] && { CPU_COUNT=$(nproc 2>/dev/null || sysctl -n hw.ncpu); }
+[[ -z ${CPU_COUNT} ]] && { CPU_COUNT=$(nproc 2>/dev/null || sysctl -n hw.activecpu); }
 [[ -z ${MAKEFLAGS} ]] && export MAKEFLAGS="-j${CPU_COUNT} -l${CPU_COUNT}"
 [[ -z ${CFLAGS} ]] && export CFLAGS="-O2"