feat; init makefile iteration

Makefile

@@ -0,0 +1,21 @@
+CC := gcc
+CFLAGS_BENCH := -std=gnu99 -O3
+LFLAGS_BENCH := -lpng
+CFLAGS_CONV := -std=c99 -O3
+
+TARGET_BENCH := qoibench
+TARGET_CONV := qoiconv
+
+all := $(TARGET)
+
+$(TARGET_BENCH):$(TARGET_BENCH).c $(LFLAGS_BENCH)
+	$(CC) $(CFLAGS_BENCH) $(TARGET_BENCH).c -o $(TARGET_BENCH) $(LFLAGS_BENCH)
+
+$()
+$(TARGET_CONV):$(TARGET_CONV).c
+	$(CC) $(CFLAGS_CONV) $(TARGET_CONV).c -o $(TARGET_CONV)
+
+.PHONY: clean
+clean:
+	$(RM) $(TARGET) $(OBJS) $(DEPS)
+-include $(DEPS)