makefile really improved on header dependencies

Makefile

@@ -38,70 +38,43 @@ CC            = clang++
 EXT           = cpp
 
 CFLAGS        = -Wall -Wextra -Werror $(INCLUDES)
+CFLAGS       += -MMD -MP #see end-page note on header dependencie
 CFLAGS       += -std=c++98
 CFLAGS       += -g3
 
-CFLAGS_STL    = -Wall -Wextra -Werror $(INCLUDES)
+CFLAGS_STL    = $(CFLAGS)
 CFLAGS_STL   += -D STL
-CFLAGS_STL   += -std=c++98
-CFLAGS_STL   += -g3
 
 VPATH         = $(D_SRCS)
 
 LIBS          =
 
-F_INCLUDES    = $(HEADERS:%=$(D_HEADERS)/%) \
-				$(TEMPLATES:%=$(D_TEMPLATES)/%) \
-				$(TESTS:%=$(D_TESTS)/%)
-INCLUDES      = -I$(D_HEADERS) \
-				-I$(D_TEMPLATES) \
-				-I$(D_TESTS)
+D_INCLUDE     = ./headers \
+				./templates \
+				./tests/includes
+
+INCLUDES      = $(D_INCLUDE:%=-I%)
 
 D_SRCS        = ./tests
 #SRCS          = main42.cpp
 #SRCS          = main_map_1.cpp
 #SRCS          = main_map_2.cpp
 #SRCS          = main_stack_1.cpp
-SRCS          = \
-				main.cpp \
+SRCS          = main.cpp \
 				tests_definitions.cpp \
 				\
 				tests_vector.cpp \
 				tests_map.cpp \
 				tests_stack.cpp
 
-D_HEADERS     = ./headers
-HEADERS       = \
-				colors.h \
-				\
-				enable_if.hpp \
-				iterator_traits.hpp \
-				reverse_iterator.hpp \
-				equal.hpp \
-				lexicographical_compare.hpp \
-				pair.hpp \
-				\
-				map.hpp \
-				map_node.hpp \
-				map_iterator.hpp \
-				vector.hpp \
-				stack.hpp
-
-D_TEMPLATES   = ./templates
-TEMPLATES     = \
-				vector.tpp \
-				map.tpp
-
-D_TESTS       = ./tests/includes
-TESTS         = \
-				main.hpp \
-				tests_utils.hpp
-
 D_OBJS_FT     = builds_ft
 OBJS_FT       = $(SRCS:%.$(EXT)=$(D_OBJS_FT)/%.o)
 D_OBJS_STL    = builds_stl
 OBJS_STL      = $(SRCS:%.$(EXT)=$(D_OBJS_STL)/%.o)
 
+OBJS          = $(OBJS_FT) $(OBJS_STL)
+DEPS          = $(OBJS:.o=.d) #see end-page note on header dependencie
+
 
 # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - #
 #             .  target: prerequisites    .   $@ : target             #
@@ -110,7 +83,6 @@ OBJS_STL      = $(SRCS:%.$(EXT)=$(D_OBJS_STL)/%.o)
 # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - #
 
 all: $(NAME_FT) $(NAME_STL)
-
 stl: $(NAME_STL)
 ft: $(NAME_FT)
 
@@ -124,9 +96,6 @@ $(D_OBJS_STL)/%.o: %.$(EXT) | $(D_OBJS_STL)
 $(D_OBJS_FT) $(D_OBJS_STL):
 	mkdir $@
 
-$(OBJS_FT) $(OBJS_STL): $(F_INCLUDES)
-
-# https://stackoverflow.com/questions/19259108/makefile-same-rule-for-multiple-targets
 $(NAME_FT): $(OBJS_FT)
 $(NAME_STL): $(OBJS_STL)
 $(NAME_FT) $(NAME_STL):
@@ -150,3 +119,7 @@ re: fclean all
 
 .PHONY : all clean fclean re
 
+# header dependencie
+# https://spin.atomicobject.com/2016/08/26/makefile-c-projects
+-include $(DEPS)
+