added semaphore and shared memory to print without superposition between parent and child process

Makefile

@@ -1,13 +1,13 @@
 
 NAME		 =	webserv
-CXX			 =	c++
+CXX			 =	clang++
 
 CXXFLAGS	 =	-Wall -Wextra -Werror
 CXXFLAGS	+=	$(HEADERS_D:%=-I%)
 CXXFLAGS	+=	-std=c++98
 CXXFLAGS	+=	-g
-#CXXFLAGS	+=	-fno-limit-debug-info
-CXXFLAGS	+=	-MMD -MP #header dependencie
+CXXFLAGS	+=	-MMD -MP # header dependencie
+# for debug
 
 VPATH		 =	$(SRCS_D)
 
@@ -43,14 +43,16 @@ DEPS		 =	$(OBJS:.o=.d) #header dependencie
 all: $(NAME)
 
 $(OBJS_D)/%.o: %.cpp | $(OBJS_D)
-	$(CXX) $(CXXFLAGS) -c $< -o $@
+	$(CXX) -c $< -o $@ $(CXXFLAGS)
 	printf "$(_CYAN)\r\33[2K\rCompling $@$(_END)"
 
 $(OBJS_D):
 	mkdir $@
 
 $(NAME): $(OBJS)
-	$(CXX) $^ -o $(NAME)
+	# $(CXX) $^ -o $(NAME)
+	# add -lpthread for semaphore library
+	$(CXX) $^ -o $(NAME) -lpthread
 	echo "$(_GREEN)\r\33[2K\r$(NAME) created 😎$(_END)"
 
 # CGI