- some comments in makefile

- multiple infos in computer tuto

config_files/skeleton_makefile

@@ -46,16 +46,16 @@ VPATH         = $(D_SRCS)
 LIBS          =
 
 F_INCLUDES    = $(HEADERS:%=$(D_HEADERS)/%) \
-				$(TEMPLATES:%=$(D_TEMPLATES)/%)
+								$(TEMPLATES:%=$(D_TEMPLATES)/%)
 INCLUDES      = -I$(D_HEADERS) \
-				-I$(D_TEMPLATES)
+								-I$(D_TEMPLATES)
 
 D_SRCS        = ./srcs
 SRCS          = main.c
 
 D_HEADERS     = ./headers
 HEADERS       = colors.h \
-				tests.hpp
+								tests.hpp
 
 D_TEMPLATES   = ./templates
 TEMPLATES     = template.tpp
@@ -78,6 +78,13 @@ endif
 
 all: $(NAME)
 
+# %.$(EXT) | $(D_OBJS) -> pipe is for order-only prerequisites :                   
+#  - for each file "%.$(EXT)" :                                                    
+#    - if it has been modified since last time                                     
+#    - execute rules on corresponding target file "$(D_OBJS)/%.o"                  
+#  - and directory "$(D_OBJS)" is order-only prerequisite :                        
+#    - it must exist before executing rule                                         
+#    - but last time modification is not checked
 $(D_OBJS)/%.o: %.$(EXT) | $(D_OBJS)
 	@echo $(CYAN)"compilation (objects.o) :"$(RESET)
 	$(CC) $(CFLAGS) -c $< -o $@