makefile

   1 ifneq ($(SECOND_CALL),true)
   2
   3 # if this is the top level instantiation of make, call back into itself with
   4 # the implicit rules option turned off. There has to be a simpler way
   5 # to do this, but I havne't figured it out.
   6 MKFLAGS := -r
   7
   8 .PHONY: all
   9 all:
  10         @SECOND_CALL=true $(MAKE) $(MKFLAGS) -f makefile
  11
  12 %:
  13         @SECOND_CALL=true $(MAKE) $(MKFLAGS) -f makefile $@
  14
  15 else
  16
  17 # figures out the system
  18 include make.syscfg
  19
  20 # include top level macros
  21 include macros.mk
  22
  23 # sub-makefiles have to fill these in
  24 ALL_DEPS =
  25 CLEAN =
  26 FINAL =
  27 TOOLS =
  28 ALL_OBJS =
  29
  30 FINAL := $(call TOBUILDDIR, final)
  31 #$(warning FINAL = $(FINAL))
  32
  33 final: $(FINAL)
  34
  35 # includes the config of the build
  36 include config/make.config
  37
  38 include apps/makefile
  39 include kernel/makefile
  40 include kernel/addons/makefile
  41 include tools/makefile
  42 include lib/makefile
  43 include boot/$(PLATFORM)/makefile
  44
  45 clean: $(CLEAN)
  46         rm -f $(ALL_OBJS)
  47         rm -f $(ALL)
  48         rm -f $(FINAL)
  49
  50 depsclean:
  51         rm -f $(ALL_DEPS)
  52
  53 appsclean:
  54         rm -rf $(APPS_BUILD_DIR)
  55
  56 allclean: depsclean clean
  57         rm -f $(TOOLS)
  58
  59 spotless:
  60         rm -rf $(BUILD_DIR)
  61
  62 #$(warning ALL_OBJS = $(ALL_OBJS))
  63 #$(warning ALL_DEPS = $(ALL_DEPS))
  64
  65 ifeq ($(filter $(MAKECMDGOALS), allclean), )
  66 -include $(ALL_DEPS)
  67 endif
  68
  69 endif