Makefile

   1 STARTING_MAKEFILE := $(firstword $(MAKEFILE_LIST))
   2 ROOT_MAKEFILE := $(lastword $(MAKEFILE_LIST))
   3 ABS_STARTING_MAKEFILE := $(abspath $(STARTING_MAKEFILE))
   4 ABS_ROOT_MAKEFILE := $(abspath $(ROOT_MAKEFILE))
   5 ABS_STARTING_DIR := $(dir $(ABS_STARTING_MAKEFILE))
   6 ABS_ROOT_DIR := $(dir $(ABS_ROOT_MAKEFILE))
   7 STARTING_DIR := $(subst $(ABS_ROOT_DIR),,$(ABS_STARTING_DIR))
   8
   9 PATH_ELEMENTS := $(subst /, ,$(STARTING_DIR))
  10
  11 define NEXT_PATH_ELEMENT
  12     $$(eval CURRENT_PATH_ELEMENT := $$(firstword  $$(PATH_ELEMENTS)))
  13     $$(eval PATH_ELEMENTS := $$(wordlist  2,9999,$$(PATH_ELEMENTS)))
  14 endef
  15
  16 $(eval $(call NEXT_PATH_ELEMENT))
  17
  18 ifeq ($(CURRENT_PATH_ELEMENT),keyboards)
  19     $(eval $(call NEXT_PATH_ELEMENT))
  20     KEYBOARD := $(CURRENT_PATH_ELEMENT)
  21     $(eval $(call NEXT_PATH_ELEMENT))
  22     ifeq ($(CURRENT_PATH_ELEMENT),keymaps)
  23         $(eval $(call NEXT_PATH_ELEMENT))
  24         KEYMAP := $(CURRENT_PATH_ELEMENT)
  25     else ifneq ($(CURRENT_PATH_ELEMENT),)
  26         SUBPROJECT := $(CURRENT_PATH_ELEMENT)
  27         $(eval $(call NEXT_PATH_ELEMENT))
  28         ifeq ($(CURRENT_PATH_ELEMENT),keymaps)
  29             $(eval $(call NEXT_PATH_ELEMENT))
  30             KEYMAP := $(CURRENT_PATH_ELEMENT)
  31         endif
  32     endif
  33 endif
  34
  35 $(info Keyboard: $(KEYBOARD))
  36 $(info Keymap: $(KEYMAP))
  37 $(info Subproject: $(SUBPROJECT))
  38
  39 # Compare the start of the RULE_VARIABLE with the first argument($1)
  40 # If the rules equals $1 or starts with $1-, RULE_FOUND is set to true
  41 #     and $1 is removed from the RULE variable
  42 # Otherwise the RULE_FOUND variable is set to false
  43 # The function is a bit tricky, since there's no built in $(startswith) function
  44 define COMPARE_AND_REMOVE_FROM_RULE
  45     ifeq ($1,$$(RULE))
  46         RULE:=
  47         RULE_FOUND := true
  48     else
  49         STARTDASH_REMOVED=$$(subst START$1-,,START$$(RULE))
  50         ifneq ($$(STARTDASH_REMOVED),START$$(RULE))
  51             RULE_FOUND := true
  52             RULE := $$(STARTDASH_REMOVED)
  53         else
  54             RULE_FOUND := false
  55         endif
  56     endif
  57 endef
  58
  59 define PARSE_ALL_KEYBOARDS
  60     COMMANDS += allkb
  61     #$$(info $$(RULE))
  62     COMMAND_allkb := "All keyboards with $$(RULE)"
  63 endef
  64
  65 define PARSE_RULE
  66     RULE := $1
  67     COMMANDS :=
  68     $$(eval $$(call COMPARE_AND_REMOVE_FROM_RULE,allkb))
  69     ifeq ($$(RULE_FOUND),true)
  70         $$(eval $$(call PARSE_ALL_KEYBOARDS))
  71     endif
  72 endef
  73
  74 RUN_COMMAND = echo "Running": $(COMMAND_$(COMMAND));
  75
  76 .PHONY: %
  77 %:
  78         $(eval $(call PARSE_RULE,$@))
  79         $(foreach COMMAND,$(COMMANDS),$(RUN_COMMAND))
  80
  81 .PHONY: all-keyboards
  82 all-keyboards: allkb
  83
  84 .PHONY: all-keyboards-defaults
  85 all-keyboards-defaults: allkb-default-default
  86
  87 .PHONY: all
  88 all:
  89         echo "Compiling"