Makefile

   1 STARTING_MAKEFILE := $(firstword $(MAKEFILE_LIST))
   2 ROOT_MAKEFILE := $(lastword $(MAKEFILE_LIST))
   3 ROOT_DIR := $(dir, $(ROOT_MAKEFILE))
   4 ifeq ($(ROOT_DIR),)
   5     ROOT_DIR := .
   6 endif
   7 ABS_STARTING_MAKEFILE := $(abspath $(STARTING_MAKEFILE))
   8 ABS_ROOT_MAKEFILE := $(abspath $(ROOT_MAKEFILE))
   9 ABS_STARTING_DIR := $(dir $(ABS_STARTING_MAKEFILE))
  10 ABS_ROOT_DIR := $(dir $(ABS_ROOT_MAKEFILE))
  11 STARTING_DIR := $(subst $(ABS_ROOT_DIR),,$(ABS_STARTING_DIR))
  12
  13 PATH_ELEMENTS := $(subst /, ,$(STARTING_DIR))
  14
  15 define NEXT_PATH_ELEMENT
  16     $$(eval CURRENT_PATH_ELEMENT := $$(firstword  $$(PATH_ELEMENTS)))
  17     $$(eval PATH_ELEMENTS := $$(wordlist  2,9999,$$(PATH_ELEMENTS)))
  18 endef
  19
  20 $(eval $(call NEXT_PATH_ELEMENT))
  21
  22 ifeq ($(CURRENT_PATH_ELEMENT),keyboards)
  23     $(eval $(call NEXT_PATH_ELEMENT))
  24     KEYBOARD := $(CURRENT_PATH_ELEMENT)
  25     $(eval $(call NEXT_PATH_ELEMENT))
  26     ifeq ($(CURRENT_PATH_ELEMENT),keymaps)
  27         $(eval $(call NEXT_PATH_ELEMENT))
  28         KEYMAP := $(CURRENT_PATH_ELEMENT)
  29     else ifneq ($(CURRENT_PATH_ELEMENT),)
  30         SUBPROJECT := $(CURRENT_PATH_ELEMENT)
  31         $(eval $(call NEXT_PATH_ELEMENT))
  32         ifeq ($(CURRENT_PATH_ELEMENT),keymaps)
  33             $(eval $(call NEXT_PATH_ELEMENT))
  34             KEYMAP := $(CURRENT_PATH_ELEMENT)
  35         endif
  36     endif
  37 endif
  38
  39 $(info $(ROOT_DIR)/keyboards)
  40 KEYBOARDS := $(notdir $(patsubst %/.,%,$(wildcard $(ROOT_DIR)/keyboards/*/.)))
  41
  42 $(info Keyboard: $(KEYBOARD))
  43 $(info Keymap: $(KEYMAP))
  44 $(info Subproject: $(SUBPROJECT))
  45 $(info Keyboards: $(KEYBOARDS))
  46
  47
  48 # Compare the start of the RULE_VARIABLE with the first argument($1)
  49 # If the rules equals $1 or starts with $1-, RULE_FOUND is set to true
  50 #     and $1 is removed from the RULE variable
  51 # Otherwise the RULE_FOUND variable is set to false
  52 # The function is a bit tricky, since there's no built in $(startswith) function
  53 define COMPARE_AND_REMOVE_FROM_RULE
  54     ifeq ($1,$$(RULE))
  55         RULE:=
  56         RULE_FOUND := true
  57     else
  58         STARTDASH_REMOVED=$$(subst START$1-,,START$$(RULE))
  59         ifneq ($$(STARTDASH_REMOVED),START$$(RULE))
  60             RULE_FOUND := true
  61             RULE := $$(STARTDASH_REMOVED)
  62         else
  63             RULE_FOUND := false
  64         endif
  65     endif
  66 endef
  67
  68 # Recursively try to find a match
  69 # $1 The list to be checked
  70 # If a match is found, then RULE_FOUND is set to true
  71 # and MATCHED_ITEM to the item that was matched
  72 define TRY_TO_MATCH_RULE_FROM_LIST
  73     $$(eval $$(call COMPARE_AND_REMOVE_FROM_RULE,$$(firstword $1)))
  74     ifeq ($$(RULE_FOUND),true)
  75         MATCHED_ITEM := $$(firstword $1)
  76     else ifneq ($1,)
  77         $$(eval $$(call TRY_TO_MATCH_RULE_FROM_LIST,$$(wordlist 2,9999,$1)))
  78     endif
  79 endef
  80
  81
  82 define PARSE_ALL_KEYBOARDS
  83     COMMANDS += allkb
  84     #$$(info $$(RULE))
  85     COMMAND_allkb := "All keyboards with $$(RULE)"
  86 endef
  87
  88 # $1 = Keyboard
  89 define PARSE_KEYBOARD
  90     CURRENT_KB := $1
  91     $$(eval $$(call COMPARE_AND_REMOVE_FROM_RULE,allkm))
  92     ifeq ($$(RULE_FOUND),true)
  93         $$(eval $$(call PARSE_ALL_KEYMAPS))
  94     else
  95         KEYMAPS := $(notdir $(patsubst %/.,%,$(wildcard $(ROOT_DIR)/keyboards/$1/keymaps/*/.)))
  96         $$(eval $$(call TRY_TO_MATCH_RULE_FROM_LIST,$$(KEYMAPS)))
  97         ifeq ($$(RULE_FOUND),true)
  98             $$(eval $$(call PARSE_KEYMAP,$$(MATCHED_ITEM)))
  99         endif
 100     endif
 101 endef
 102
 103 define PARSE_ALL_KEYMAPS
 104     COMMANDS += ALL_KEYMAPS
 105     COMMAND_ALL_KEYMAPS := All keymaps in $(CURRENT_KB)
 106 endef
 107
 108 # $1 Keymap
 109 define PARSE_KEYMAP
 110     CURRENT_KM = $1
 111     COMMANDS += KEYBOARD_$$(CURRENT_KB)_KEYMAP_$$(CURRENT_KM)
 112     COMMAND_KEYBOARD_$$(CURRENT_KB)_KEYMAP_$$(CURRENT_KM) := Keyboard $$(CURRENT_KB), Keymap $$(CURRENT_KM)
 113 endef
 114
 115
 116 define PARSE_RULE
 117     RULE := $1
 118     COMMANDS :=
 119     $$(eval $$(call COMPARE_AND_REMOVE_FROM_RULE,allkb))
 120     ifeq ($$(RULE_FOUND),true)
 121         $$(eval $$(call PARSE_ALL_KEYBOARDS))
 122     else
 123         $$(eval $$(call TRY_TO_MATCH_RULE_FROM_LIST,$$(KEYBOARDS)))
 124         ifeq ($$(RULE_FOUND),true)
 125             $$(eval $$(call PARSE_KEYBOARD,$$(MATCHED_ITEM)))
 126         endif
 127     endif
 128 endef
 129
 130 RUN_COMMAND = echo "Running": $(COMMAND_$(COMMAND));
 131
 132 .PHONY: %
 133 %:
 134         $(eval $(call PARSE_RULE,$@))
 135         $(foreach COMMAND,$(COMMANDS),$(RUN_COMMAND))
 136
 137 .PHONY: all-keyboards
 138 all-keyboards: allkb
 139
 140 .PHONY: all-keyboards-defaults
 141 all-keyboards-defaults: allkb-default-default
 142
 143 .PHONY: all
 144 all:
 145         echo "Compiling"