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 define PARSE_ALL_KEYBOARDS
  69     COMMANDS += allkb
  70     #$$(info $$(RULE))
  71     COMMAND_allkb := "All keyboards with $$(RULE)"
  72 endef
  73
  74 # $1 = Keyboard
  75 define PARSE_KEYBOARD
  76     $$(eval $$(call COMPARE_AND_REMOVE_FROM_RULE,allkm))
  77     ifeq ($$(RULE_FOUND),true)
  78         $$(eval $$(call PARSE_ALL_KEYMAPS, $1))
  79     else
  80         KEYMAPS := $(notdir $(patsubst %/.,%,$(wildcard $(ROOT_DIR)/keyboards/$1/keymaps/*/.)))
  81         $$(eval $$(call TRY_PARSE_KEYMAP,$$(KEYMAPS),$1))
  82     endif
  83 endef
  84
  85 define PARSE_ALL_KEYMAPS
  86     COMMANDS += ALL_KEYMAPS
  87     COMMAND_ALL_KEYMAPS := All keymaps in $1
  88 endef
  89
  90 # $1 Keyboard
  91 # $2 Keymap
  92 define PARSE_KEYMAP
  93     COMMANDS += KEYBOARD_$1_KEYMAP_$2
  94     COMMAND_KEYBOARD_$1_KEYMAP_$2 := Keyboard $1, Keymap $2
  95 endef
  96
  97 # Recursively try to find a matching keyboard
  98 # During the first call $1 contains a list of all keyboards
  99 # One keyboard is checked and removed at a time
 100 define TRY_PARSE_KEYBOARD
 101     CURRENT_KB := $$(firstword $1)
 102     $$(eval $$(call COMPARE_AND_REMOVE_FROM_RULE,$$(CURRENT_KB)))
 103     ifeq ($$(RULE_FOUND),true)
 104         $$(eval $$(call PARSE_KEYBOARD,$$(CURRENT_KB)))
 105     else ifneq ($1,)
 106         $$(eval $$(call TRY_PARSE_KEYBOARD,$$(wordlist 2,9999,$1)))
 107     endif
 108 endef
 109
 110 # $1 list of keymaps
 111 # $2 keyboard
 112 define TRY_PARSE_KEYMAP
 113     CURRENT_KM := $$(firstword $1)
 114     $$(eval $$(call COMPARE_AND_REMOVE_FROM_RULE,$$(CURRENT_KM)))
 115     ifeq ($$(RULE_FOUND),true)
 116         $$(eval $$(call PARSE_KEYMAP,$2,$$(CURRENT_KM)))
 117     else ifneq ($1,)
 118         $$(eval $$(call TRY_PARSE_KEYMAP,$$(wordlist 2,9999,$1),$2))
 119     endif
 120 endef
 121
 122 define PARSE_RULE
 123     RULE := $1
 124     COMMANDS :=
 125     $$(eval $$(call COMPARE_AND_REMOVE_FROM_RULE,allkb))
 126     ifeq ($$(RULE_FOUND),true)
 127         $$(eval $$(call PARSE_ALL_KEYBOARDS))
 128     else
 129         $$(eval $$(call TRY_PARSE_KEYBOARD,$(KEYBOARDS)))
 130     endif
 131 endef
 132
 133 RUN_COMMAND = echo "Running": $(COMMAND_$(COMMAND));
 134
 135 .PHONY: %
 136 %:
 137         $(eval $(call PARSE_RULE,$@))
 138         $(foreach COMMAND,$(COMMANDS),$(RUN_COMMAND))
 139
 140 .PHONY: all-keyboards
 141 all-keyboards: allkb
 142
 143 .PHONY: all-keyboards-defaults
 144 all-keyboards-defaults: allkb-default-default
 145
 146 .PHONY: all
 147 all:
 148         echo "Compiling"