diff --git a/.gitignore b/.gitignore
index 8052edb32..646d8828e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 hiro/qt/qt.moc
+.DS_store
diff --git a/bsnes/GNUmakefile b/bsnes/GNUmakefile
index 9450f39ce..2b365bc9e 100644
--- a/bsnes/GNUmakefile
+++ b/bsnes/GNUmakefile
@@ -60,5 +60,8 @@ include $(ui)/GNUmakefile
 -include obj/*.d
 
 clean:
+ifeq ($(platform),macos)
+	rm -rf out/$(name).app
+endif
 	$(call delete,obj/*)
 	$(call delete,out/*)
diff --git a/bsnes/obj/.gitignore b/bsnes/obj/.gitignore
index 6142305dc..d6b7ef32c 100644
--- a/bsnes/obj/.gitignore
+++ b/bsnes/obj/.gitignore
@@ -1,2 +1,2 @@
-*.o
-*.d
+*
+!.gitignore
diff --git a/bsnes/out/.gitignore b/bsnes/out/.gitignore
index 1aeaff24b..d6b7ef32c 100644
--- a/bsnes/out/.gitignore
+++ b/bsnes/out/.gitignore
@@ -1,2 +1,2 @@
-bsnes
-bsnes.exe
+*
+!.gitignore
diff --git a/bsnes/target-bsnes/GNUmakefile b/bsnes/target-bsnes/GNUmakefile
index c693a2ed9..fe303d13c 100644
--- a/bsnes/target-bsnes/GNUmakefile
+++ b/bsnes/target-bsnes/GNUmakefile
@@ -21,7 +21,13 @@ obj/ui-resource.o: $(ui)/resource/resource.cpp
 
 all: $(hiro.objects) $(ruby.objects) $(objects)
 	$(info Linking out/$(name) ...)
+ifeq ($(universal),true)
+	+@$(compiler) -o obj/$(name).arm64 $(hiro.objects) $(ruby.objects) $(objects) $(hiro.options) $(ruby.options) $(options) $(flags.arm64)
+	+@$(compiler) -o obj/$(name).amd64 $(hiro.objects) $(ruby.objects) $(objects) $(hiro.options) $(ruby.options) $(options) $(flags.amd64)
+	lipo -create -output out/$(name) obj/$(name).arm64 obj/$(name).amd64
+else
 	+@$(compiler) -o out/$(name) $(hiro.objects) $(ruby.objects) $(objects) $(hiro.options) $(ruby.options) $(options)
+endif
 ifeq ($(platform),macos)
 	rm -rf out/$(name).app
 	mkdir -p out/$(name).app/Contents/MacOS/
diff --git a/hiro/GNUmakefile b/hiro/GNUmakefile
index 04837b274..918598e34 100755
--- a/hiro/GNUmakefile
+++ b/hiro/GNUmakefile
@@ -66,11 +66,22 @@ hiro.objects := \
   $(object.path)/hiro-$(hiro).o \
   $(if $(filter windows,$(hiro)),$(object.path)/hiro-resource.o)
 
+ifeq ($(universal),true)
+  compile.hiro = \
+    $(strip \
+      $(compiler) $(hiro.flags) $(flags.arm64) $(flags) $(flags.deps) -c $< -o $@.arm64 && \
+      $(compiler) $(hiro.flags) $(flags.amd64) $(flags) $(flags.deps) -c $< -o $@.amd64 && \
+      lipo -create -output $@ $@.arm64 $@.amd64 \
+    )
+else
+	compile.hiro = $(strip $(compiler) $(hiro.flags) $(flags) $(flags.deps) -c $< -o $@)
+endif
+
 $(object.path)/hiro-$(hiro).o: $(hiro.path)/hiro.cpp
 	$(if $(filter qt%,$(hiro)),$(info Compiling $(hiro.path)/qt/qt.moc ...))
 	$(if $(filter qt%,$(hiro)),@$(moc) -i -o $(hiro.path)/qt/qt.moc $(hiro.path)/qt/qt.hpp)
 	$(info Compiling $< ...)
-	@$(compiler) $(hiro.flags) $(flags) $(flags.deps) -c $< -o $@
+	@$(call compile.hiro)
 
 $(object.path)/hiro-resource.o: $(hiro.resource)
 	$(info Compiling $< ...)
diff --git a/nall/GNUmakefile b/nall/GNUmakefile
index f064ae772..2bbc3176b 100755
--- a/nall/GNUmakefile
+++ b/nall/GNUmakefile
@@ -124,6 +124,9 @@ endif
 ifeq ($(platform),macos)
   flags   += -stdlib=libc++
   options += -lc++ -lobjc
+  flags.arm64 += -target x86_64-apple-macos10.12
+  flags.amd64 += -target arm64-apple-macos11
+  universal := true
 endif
 
 # linux settings
@@ -166,14 +169,28 @@ nall.verbose:
 	@$(call compile)
 
 # function compile([arguments])
-compile = \
-  $(strip \
-    $(if $(filter %.c,$<), \
-      $(compiler.c)   $(flags.deps) $(flags) $1 -c $< -o $@ \
-   ,$(if $(filter %.cpp,$<), \
-      $(compiler.cpp) $(flags.deps) $(flags) $1 -c $< -o $@ \
-    )) \
-  )
+ifeq ($(universal),true)
+  compile = \
+    $(strip \
+      $(if $(filter %.c,$<), \
+        $(compiler.c)   $(flags.arm64) $(flags.deps) $(flags) $1 -c $< -o $@.arm64 && \
+        $(compiler.c)   $(flags.amd64) $(flags.deps) $(flags) $1 -c $< -o $@.amd64 && \
+    ,$(if $(filter %.cpp,$<), \
+        $(compiler.cpp) $(flags.arm64) $(flags.deps) $(flags) $1 -c $< -o $@.arm64 && \
+        $(compiler.cpp) $(flags.amd64) $(flags.deps) $(flags) $1 -c $< -o $@.amd64 && \
+      )) \
+      lipo -create -output $@ $@.arm64 $@.amd64 \
+    )
+else
+  compile = \
+    $(strip \
+      $(if $(filter %.c,$<), \
+        $(compiler.c)   $(flags.deps) $(flags) $1 -c $< -o $@ \
+    ,$(if $(filter %.cpp,$<), \
+        $(compiler.cpp) $(flags.deps) $(flags) $1 -c $< -o $@ \
+      )) \
+    )
+endif
 
 # function rwildcard(directory, pattern)
 rwildcard = \
diff --git a/ruby/GNUmakefile b/ruby/GNUmakefile
index f27418b2f..406d275de 100755
--- a/ruby/GNUmakefile
+++ b/ruby/GNUmakefile
@@ -71,9 +71,20 @@ endif
 
 ruby.objects := $(object.path)/ruby.o
 
+ifeq ($(universal),true)
+  compile.ruby = \
+    $(strip \
+      $(compiler) $(ruby.flags) $(flags.arm64) $(flags) $(flags.deps) -c $< -o $@.arm64 && \
+      $(compiler) $(ruby.flags) $(flags.amd64) $(flags) $(flags.deps) -c $< -o $@.amd64 && \
+      lipo -create -output $@ $@.arm64 $@.amd64 \
+    )
+else
+	compile.ruby = $(strip $(compiler) $(ruby.flags) $(flags) $(flags.deps) -c $< -o $@)
+endif
+
 $(object.path)/ruby.o: $(ruby.path)/ruby.cpp $(call rwildcard,$(ruby.path))
 	$(info Compiling $< ...)
-	@$(compiler) $(ruby.flags) $(flags) $(flags.deps) -c $< -o $@
+	@$(call compile.ruby)
 
 ruby.verbose:
 	$(info ruby Drivers:)