From 141b83228caef9d5d5a3ad0bd4119227a848e583 Mon Sep 17 00:00:00 2001
From: Wojciech Bartnik <yisonPylkita@gmail.com>
Date: Sat, 2 Apr 2022 18:53:06 +0200
Subject: [PATCH] Detect number of cores in build script

---
 b.sh | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/b.sh b/b.sh
index 779c78adee..b68e93e2c7 100755
--- a/b.sh
+++ b/b.sh
@@ -83,6 +83,13 @@ else
 	BUILD_DIR="build"
 fi
 
+CORES_COUNT=4
+if [[ "$OSTYPE" == "linux-gnu"* ]]; then
+        CORES_COUNT="$(nproc)"
+elif [[ "$OSTYPE" == "darwin"* ]]; then
+        CORES_COUNT="$(sysctl -n hw.physicalcpu)"
+fi
+
 # Strict errors. Any non-zero return exits this script
 set -e
 
@@ -90,6 +97,5 @@ mkdir -p ${BUILD_DIR}
 pushd ${BUILD_DIR}
 
 cmake $CMAKE_ARGS ..
-
-make -j4 $MAKE_OPT
+make -j$CORES_COUNT $MAKE_OPT
 popd