include.mk

   1 .PHONY: $(SUBDIRS) all clean help
   2
   3 all: $(SUBDIRS)
   4 clean: $(SUBDIRS)
   5
   6 help:
   7         @echo "***      Available targets      ***"
   8         @echo ""
   9         @echo "help: prints this help"
  10         @echo ""
  11         @echo "clean: cleans current directory and all subdirectories"
  12         @echo ""
  13         @echo "all:   make current directory and all subdirectories"
  14         @echo ""
  15         @echo "The default silent output could be turned off by defining"
  16         @echo "'VERBOSE' shell variable as 'VERBOSE=1 make'"
  17         @echo ""
  18
  19 include $(TOPDIR)/config.mk
  20
  21 #
  22 # Determine mode (eg do not generate anything if not in compile mode
  23 #
  24 COMPILE=no
  25
  26 ifeq ($(MAKECMDGOALS),all)
  27 COMPILE=yes
  28 endif
  29
  30 ifeq ($(MAKECMDGOALS),)
  31 COMPILE=yes
  32 endif
  33
  34 #
  35 # 1. Generate and include dependencies for all C sources
  36 # 2. Generate OBJECTS list from CSOURCES list
  37 # 3. Adds OBJECTS to CLEAN list
  38 #
  39 ifdef CSOURCES
  40 DEPFILES=$(subst .c,.dep,$(CSOURCES))
  41 ifeq ($(COMPILE),yes)
  42 -include $(DEPFILES)
  43 endif
  44 CLEAN+=$(subst .c,.dep,$(CSOURCES))
  45 OBJECTS=$(CSOURCES:.c=.o)
  46 CLEAN+=$(OBJECTS)
  47 endif
  48
  49 #
  50 # Automatically include library headers
  51 #
  52 ifdef LIBNAME
  53 INCLUDE+=$(LIBNAME)
  54 endif
  55
  56 #
  57 # If there was anything in INCLUDE list, create CFLAGS for each entry
  58 #
  59 ifdef INCLUDE
  60 CFLAGS+=$(addprefix -I$(TOPDIR)/include/, $(INCLUDE))
  61 endif
  62
  63 #
  64 # Walk trought SUBDIRS, this code works even for -jX
  65 #
  66 $(SUBDIRS):
  67 ifdef VERBOSE
  68         $(MAKE) -C $@ $(MAKECMDGOALS)
  69 else
  70         @export CURSUBDIR="$$CURSUBDIR/$@" && echo "DIR $$CURSUBDIR" &&\
  71         $(MAKE) --no-print-directory -C $@ $(MAKECMDGOALS)
  72 endif
  73
  74 #
  75 # Actual make rules
  76 #
  77 $(DEPFILES): %.dep: %.c
  78 ifdef VERBOSE
  79         $(CC) -MM $(CFLAGS) $< -o $@
  80 else
  81         @echo "DEP -I(include $(INCLUDE)) $@"
  82         @$(CC) -MM $(CFLAGS) $< -o $@
  83 endif
  84
  85 $(OBJECTS): %.o: %.c
  86 ifdef VERBOSE
  87         $(CC) $(CFLAGS) -c $< -o $@
  88 else
  89         @echo "CC  -I(include $(INCLUDE)) $@"
  90         @$(CC) $(CFLAGS) -c $< -o $@
  91 endif
  92
  93 ifdef CLEAN
  94 clean:
  95 ifdef VERBOSE
  96         rm -f $(CLEAN)
  97 else
  98         @echo "RM  $(CLEAN)"
  99         @rm -f $(CLEAN)
 100 endif
 101 endif