From 49b702a3219126c362a34f4b01ad21fdb480fcd3 Mon Sep 17 00:00:00 2001
From: Paulo Valente <16843419+polvalente@users.noreply.github.com>
Date: Mon, 15 Jul 2024 21:15:22 -0300
Subject: [PATCH] fix: use sysctl for mac

---
 scripts/build_and_package.sh | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/scripts/build_and_package.sh b/scripts/build_and_package.sh
index bfa67bf..f48ae4d 100755
--- a/scripts/build_and_package.sh
+++ b/scripts/build_and_package.sh
@@ -4,7 +4,15 @@ set -e
 
 IREE_BUILD_TARGET=$1
 
-NUM_JOBS=-j$(($(nproc) - 2 ))
+get_nproc() {
+    if [ "$(uname -s)" = "Darwin" ]; then
+        sysctl -n hw.ncpu
+    else
+        nproc
+    fi
+}
+
+NUM_JOBS=-j$(get_nproc)
 
 mkdir -p iree-runtime/artifacts