Fix

I forgot a $(PWD)

Author: b5i

makefile

@@ -11,5 +11,5 @@ create-without-open: clean
 	xcrun safari-web-extension-converter "$(PWD)" --project-location safari-extension --force --no-open
 
 macos: create-without-open
-	xcodebuild -workspace safari-extension/ScratchTools/ScratchTools.xcodeproj/project.xcworkspace -scheme "ScratchTools (macOS)" -configuration Debug clean build CONFIGURATION_BUILD_DIR=$(PWD)/safari-extension-build
+	xcodebuild -workspace safari-extension/ScratchTools/ScratchTools.xcodeproj/project.xcworkspace -scheme "ScratchTools (macOS)" -configuration Debug clean build CONFIGURATION_BUILD_DIR="$(PWD)/safari-extension-build"
 	echo "App available at $(PWD)/safari-extension-build"