I have a xcode project generated by unity 6 my mac: my x-code: It's a simple project but the building time lasted over 10 minutes and I found a page https://discussions.unity.com/t/optimizing-ios-and-macos-build-times-using-ccache/809570 I tried to run ccache in my mac and hope to accelerate the building. I installed ccache in my MAC by brew I made two script with +x mode I created a testc folder to verify the script and it did work. Then I opened the xcode and added CC and CXX to the “Build Settings” I triggered the building But it didn’t work, the building used the default compiler. I had repeated to ask AI about it and cleaned building cache many times, but the problem still exists. Even without any probing executing of the ccache-clang script ( I configured the log file position, so if it has been executed once, there will be some logs) Could someone help me check if there’s something wrong?