import: makefile for the overlay helper, now officially renamed "oh"

bin/overlayhelper/Makefile

@@ -0,0 +1,49 @@
+#
+# overlayhelper/Makefile
+#
+
+# Make and Build Variables
+
+VPATH = source:obj
+SOURCEFILES = $(wildcard source/*.cpp)
+OBJFILES = $(patsubst source/%.cpp,obj/%.o,$(SOURCEFILES))
+CC = clang++
+INCCMD = -Isource
+# List of directories to create
+DIRS=obj
+
+CFLAGS      = -std=c++17 -Os -Wall -Werror
+#CFLAGS      = -Os -Wall -Werror -S
+
+
+help:
+	@echo   
+	@echo overlayhelper Makefile
+	@echo -------------------------------------------------
+	@echo build commands:
+	@echo    make install - Compile / Install
+	@echo    make clean   - Clean intermediate/target files
+	@echo -------------------------------------------------
+	@echo  
+
+overlayhelper: $(OBJFILES)
+
+install: overlayhelper
+	$(CC) -o ../oh $(OBJFILES)
+#	$(CC) -o ../overlayhelper $(OBJFILES) -Wl,-Map,overlayhelper.map
+
+clean:
+	@echo Remove overlayhelper
+	$(shell if exist overlayhelper echo Y | rm overlayhelper)
+	@echo Remove Intermediate Files
+	@rm obj\*
+
+
+# Goofy Object File Rule
+obj/%.o : source/%.cpp
+	@echo Compiling $(<F)
+	$(CC) $(CFLAGS) $(INCCMD) -c $< -o obj/$*.o
+
+
+# Create all the directories
+$(shell if not exist $(DIRS) mkdir $(DIRS))