diff --git a/5.15.2/compile_mac.sh b/5.15.2/compile_mac.sh
index f0ac3fc..9cb0b26 100644
--- a/5.15.2/compile_mac.sh
+++ b/5.15.2/compile_mac.sh
@@ -1,6 +1,8 @@
 #!/bin/bash
 
-alias makej="make -j $(sysctl hw.ncpu | awk '{print $2}')"
+makej () { 
+   make -j$(sysctl -n hw.ncpu) 
+}
 export PATH=$PATH:$(pwd)/qtbase/bin
 
 cd qtbase
diff --git a/5.15.2/compile_mac_arm.sh b/5.15.2/compile_mac_arm.sh
index e3b6e28..b224145 100644
--- a/5.15.2/compile_mac_arm.sh
+++ b/5.15.2/compile_mac_arm.sh
@@ -1,6 +1,8 @@
 #!/bin/bash
 
-alias makej="make -j $(sysctl hw.ncpu | awk '{print $2}')"
+makej () { 
+   make -j$(sysctl -n hw.ncpu) 
+}
 export PATH=$PATH:$(pwd)/qtbase/bin
 
 cd qtbase
diff --git a/5.15.2/compile_mac_arm_cross.sh b/5.15.2/compile_mac_arm_cross.sh
index b8e42f0..cc7a07d 100644
--- a/5.15.2/compile_mac_arm_cross.sh
+++ b/5.15.2/compile_mac_arm_cross.sh
@@ -1,6 +1,8 @@
 #!/bin/bash
 
-alias makej="make -j $(sysctl hw.ncpu | awk '{print $2}')"
+makej () { 
+   make -j$(sysctl -n hw.ncpu) 
+}
 export PATH=$PATH:$(pwd)/qtbase/bin
 
 cd qtbase
diff --git a/5.15.2/compile_mac_dev.sh b/5.15.2/compile_mac_dev.sh
index 14346e2..a642596 100644
--- a/5.15.2/compile_mac_dev.sh
+++ b/5.15.2/compile_mac_dev.sh
@@ -1,6 +1,8 @@
 #!/bin/bash
 
-alias makej="make -j $(sysctl hw.ncpu | awk '{print $2}')"
+makej () { 
+   make -j$(sysctl -n hw.ncpu) 
+}
 export PATH=$PATH:/usr/local/Qt-5.15.2/bin
 
 cd qtbase
diff --git a/5.15.2/compile_mac_static.sh b/5.15.2/compile_mac_static.sh
index 4b17e20..60e6eeb 100644
--- a/5.15.2/compile_mac_static.sh
+++ b/5.15.2/compile_mac_static.sh
@@ -1,6 +1,8 @@
 #!/bin/bash
 
-alias makej="make -j $(sysctl hw.ncpu | awk '{print $2}')"
+makej () { 
+   make -j$(sysctl -n hw.ncpu) 
+}
 export PATH=$PATH:$(pwd)/qtbase/bin
 
 cd qtbase
diff --git a/5.15.4/compile_mac.sh b/5.15.4/compile_mac.sh
index 3aa45bb..f33f086 100644
--- a/5.15.4/compile_mac.sh
+++ b/5.15.4/compile_mac.sh
@@ -1,6 +1,8 @@
 #!/bin/bash
 
-alias makej="make -j $(sysctl hw.ncpu | awk '{print $2}')"
+makej () { 
+   make -j$(sysctl -n hw.ncpu) 
+}
 export PATH=$PATH:$(pwd)/qtbase/bin
 
 cd qtbase
diff --git a/5.15.4/compile_mac_arm.sh b/5.15.4/compile_mac_arm.sh
index 9634563..13e4b90 100644
--- a/5.15.4/compile_mac_arm.sh
+++ b/5.15.4/compile_mac_arm.sh
@@ -1,6 +1,8 @@
 #!/bin/bash
 
-alias makej="make -j $(sysctl hw.ncpu | awk '{print $2}')"
+makej () { 
+   make -j$(sysctl -n hw.ncpu) 
+}
 export PATH=$PATH:$(pwd)/qtbase/bin
 
 cd qtbase
diff --git a/5.15.4/compile_mac_arm_cross.sh b/5.15.4/compile_mac_arm_cross.sh
index 5f7ac0c..64e26a4 100644
--- a/5.15.4/compile_mac_arm_cross.sh
+++ b/5.15.4/compile_mac_arm_cross.sh
@@ -1,5 +1,8 @@
 #!/bin/bash
 
+makej () { 
+   make -j$(sysctl -n hw.ncpu) 
+}
 export PATH=$PATH:$(pwd)/qtbase/bin
 
 cd qtbase
diff --git a/5.15.4/compile_mac_dev.sh b/5.15.4/compile_mac_dev.sh
index 81183e6..163e721 100644
--- a/5.15.4/compile_mac_dev.sh
+++ b/5.15.4/compile_mac_dev.sh
@@ -1,6 +1,8 @@
 #!/bin/bash
 
-alias makej="make -j $(sysctl hw.ncpu | awk '{print $2}')"
+makej () { 
+   make -j$(sysctl -n hw.ncpu) 
+}
 export PATH=$PATH:/usr/local/Qt-5.15.4/bin
 
 cd qtbase
diff --git a/5.15.4/compile_mac_static.sh b/5.15.4/compile_mac_static.sh
index c13ca8d..3394bad 100644
--- a/5.15.4/compile_mac_static.sh
+++ b/5.15.4/compile_mac_static.sh
@@ -1,6 +1,8 @@
 #!/bin/bash
 
-alias makej="make -j $(sysctl hw.ncpu | awk '{print $2}')"
+makej () { 
+   make -j$(sysctl -n hw.ncpu) 
+}
 export PATH=$PATH:$(pwd)/qtbase/bin
 
 cd qtbase
diff --git a/5.6.3/compile_mac.sh b/5.6.3/compile_mac.sh
index 37e2003..11efcaf 100644
--- a/5.6.3/compile_mac.sh
+++ b/5.6.3/compile_mac.sh
@@ -1,6 +1,8 @@
 #!/bin/bash
 
-alias makej="make -j $(sysctl hw.ncpu | awk '{print $2}')"
+makej () { 
+   make -j$(sysctl -n hw.ncpu) 
+}
 export PATH=$PATH:/usr/local/Qt-5.6.3/bin
 
 cd qtbase