Improved makefile

.gitignore

@@ -0,0 +1,2 @@
+obj/
+out/

makefile

@@ -1,11 +1,54 @@
 #!/usr/bin/make -f
-FLAGS = -O3 -pedantic -Wall -Wextra -Werror -lncursesw
+FLAGS  = -O3
+FLAGS += -pedantic
+FLAGS += -Wall
+FLAGS += -Wextra
+FLAGS += -Werror
 
-AnnaConnect: connect4.c
-	cc $(FLAGS) -o connect4 ui_ncurses.c logic.c connect4.c
+OBJDIR = obj
+OUTDIR = out
 
-run: AnnaConnect
-	./connect4
+OBJ = $(SRC:%.c=$(OBJDIR)/%.o)
+
+UI_TARGET = ncurses
+
+CC = cc
+
+MSG_LINKING = Linking:
+MSG_COMPILING = Compiling C:
+MSG_CLEANING = Cleaning:
+MSG_CLEANING_OBJ = Cleaning $(OBJDIR):
+MSG_CLEANING_OUT = Cleaning $(OUTDIR):
+
+all: $(OUTDIR)/connect4_$(UI_TARGET).elf
+
+clean_run: clean run
+
+run: $(OUTDIR)/connect4_$(UI_TARGET).elf
+	./$<
+
+$(OUTDIR)/connect4_ncurses.elf: $(OBJDIR)/ui_ncurses.o $(OBJDIR)/logic.o $(OBJDIR)/connect4.o
+	@echo
+	@echo $(MSG_LINKING) $@
+	mkdir -p $(@D)
+	$(CC) $(FLAGS) -lncursesw -o $@ $^
+
+$(OUTDIR)/connect4_%.elf: $(OBJDIR)/ui_%.o $(OBJDIR)/logic.o $(OBJDIR)/connect4.o
+	@echo
+	@echo $(MSG_LINKING) $@
+	mkdir -p $(@D)
+	$(CC) $(FLAGS) -o $@ $^
+
+$(OBJDIR)/%.o: %.c
+	@echo
+	@echo $(MSG_COMPILING) $^
+	mkdir -p $(@D)
+	$(CC) -c $(FLAGS) -o $@ $^
 
 clean:
-	rm connect4
+	@echo
+	@echo $(MSG_CLEANING)
+	@echo $(MSG_CLEANING_OBJ)
+	rm $(OBJDIR)/*.o
+	@echo $(MSG_CLEANING_OUT)
+	rm $(OUTDIR)/*.elf