feat: Build optimizations

makefile

@@ -1,5 +1,5 @@
 CC=g++
-C_FLAGS=-g -Wall -Wextra -O0 -Wno-unused-function
+C_FLAGS=-g -Wall -Wextra -O0 -Wno-unused-function -MMD -MP
 VAL_FLAGS=--leak-check=full --show-leak-kinds=all --track-origins=yes -s
 
 DIR_SRC=src
@@ -11,6 +11,7 @@ OUTBIN=$(DIR_BUILD)/bin/main
 
 SRCS=$(shell find $(DIR_SRC)/ -type f -name '*.cpp')
 OBJS=$(patsubst $(DIR_SRC)/%.cpp,$(DIR_BUILD)/obj/%.o,$(SRCS))
+DEPMF=$(patsubst $(DIR_SRC)/%.cpp,$(DIR_BUILD)/obj/%.d,$(SRCS))
 
 DEPS_EXT=$(patsubst %,-l%,$(DEPS))
 INCS_EXT=$(patsubst %,-I%,$(DIR_INC))
@@ -38,6 +39,8 @@ $(DIR_BUILD)/obj/%.o: $(DIR_SRC)/%.cpp
 	@mkdir -p $(@D)
 	$(CC) $(C_FLAGS) $(INCS_EXT) -c $< -o $@
 
+-include $(DEPMF)
+
 dbg: $(DBG_BIN)
 	gdb $(GDB_FLAGS) ./$(OUTBIN)