Makefiles and various changes.

src/Makefile

@@ -1,3 +1,6 @@
+APPLE_DEVELOPMENT := $(shell cat ../ids/APPLE_DEVELOPMENT)
+APPLE_DEVELOPER_ID_APPLICATION := $(shell cat ../ids/APPLE_DEVELOPER_ID_APPLICATION)
+
 FLAGS = -g
 CFLAGS = -g
 #-O
@@ -23,12 +26,6 @@ FRAMEWORKS = -framework AppKit -framework ServiceManagement
 
 default: $(EXEC).app
 
-# HACK: Target is getting touched because timestamps of the generated
-# 	    object file don't change unless there's an actual change in the
-#       outputted object code. This results in this target running every
-#       single time. I'm not sure whether that's the exact reason, but
-#       I can't imagine why timestamps wouldn't change. When clang
-#       generates same exact executable, timestamps do change.
 ./arm64/%.o: %.swift
 	swift -frontend -c \
 		-target arm64-apple-macos$(MACOS_VERSION) $(FLAGS) \
@@ -86,11 +83,11 @@ $(EXEC).app: $(EXEC)
 	mkdir -p $@/Contents/Resources/ && \
 	cp Info.plist $@/Contents/ && \
 	cp resources/AppIcon.icns $@/Contents/Resources/ && \
-	cp $(EXEC) $@/Contents/MacOS/
-	# $(if $(DEBUG), codesign --entitlements Grapp.entitlements \
-	# 	-s ${APPLE_DEVELOPMENT} -f --timestamp -o runtime $(EXEC).app, \
-	# 		codesign -s ${APPLE_DEVELOPER_ID_APPLICATION} -f --timestamp \
-	# 			-o runtime $(EXEC).app)
+	cp $(EXEC) $@/Contents/MacOS/ && \
+	$(if $(DEBUG), codesign --entitlements Grapp.entitlements \
+		-s ${APPLE_DEVELOPMENT} -f --timestamp -o runtime $(EXEC).app, \
+			codesign -s ${APPLE_DEVELOPER_ID_APPLICATION} -f --timestamp \
+				-o runtime $(EXEC).app)
 
 clean:
 	rm -rf $(EXEC) $(EXEC).app arm64 x86_64