Added Makefile

Makefile

@@ -0,0 +1,49 @@
+CC     = gcc
+CFLAGS = -O3 -Wall -Wextra -Wpedantic
+
+
+SRCS = main.c gc.c
+OBJS = $(SRCS:.c=.o)
+EXE  = gc
+
+DBDIR     = debug
+DBEXE     = $(DBDIR)/$(EXE)
+DBOBJS    = $(addprefix $(DBDIR)/, $(OBJS))
+DBCFLAGS  = -g -O0 -DDEBUG
+
+
+REDIR     = build
+REEXE     = $(REDIR)/$(EXE)
+REOBJS    = $(addprefix $(REDIR)/, $(OBJS))
+
+.PHONY: all clean debug release prep
+
+all: debug release gc
+
+gc: $(REEXE)
+	@cp $< $@
+
+debug: prep $(DBEXE)
+
+$(DBEXE): $(DBOBJS)
+	$(CC) $(CFLAGS) $(DBCFLAGS) -DTEST -o $@ $^
+
+$(DBDIR)/%.o: %.c
+	$(CC) -c $(CFLAGS) $(DBCFLAGS) -o $@ $<
+
+release: prep $(REEXE)
+
+$(REEXE): $(REOBJS)
+	$(CC) $(CFLAGS) -o $@ $^
+
+$(REDIR)/%.o: %.c
+	$(CC) -c $(CFLAGS) -o $@ $<
+
+prep:
+	@mkdir -p $(DBDIR) $(REDIR)
+
+clean:
+	rm -rf gc $(DBDIR) $(REDIR)
+
+
+