Adding log output to Make build.

Makefile

@@ -3,13 +3,13 @@ AsyncIO_VERSION=0.1.69
 NUGET_DIRECTORY=NuGetPackages
 
 UNITY=/Applications/Unity/Hub/Editor/2019.3.3f1/Unity.app/Contents/MacOS/Unity
-UNITY_BATCH:=${UNITY} -batchmode -quit -noUpm -projectPath $(CURDIR)
+UNITY_BATCH:=${UNITY} -batchmode -quit -noUpm -logFile - -projectPath $(CURDIR)
 
 .PHONY: build
 build: Build/physicssimulator.app
 
 Build/physicssimulator.app: | Build
-	-${UNITY_BATCH} -buildOSX64Player $@
+	-${UNITY_BATCH} -buildOSXUniversalPlayer $@
 
 .PHONY: setup
 setup: $(foreach P,AsyncIO NetMQ,Assets/Plugins/${P}.dll)