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     RULE_FOUND := false
  55     ifeq ($1,$$(RULE))
  56         RULE:=
  57         RULE_FOUND := true
  58     else
  59         STARTDASH_REMOVED=$$(subst START$1-,,START$$(RULE))
  60         ifneq ($$(STARTDASH_REMOVED),START$$(RULE))
  61             RULE_FOUND := true
  62             RULE := $$(STARTDASH_REMOVED)
  63         else
  64             RULE_FOUND := false
  65         endif
  66     endif
  67 endef
  68
  69 # Recursively try to find a match
  70 # $1 The list to be checked
  71 # If a match is found, then RULE_FOUND is set to true
  72 # and MATCHED_ITEM to the item that was matched
  73 define TRY_TO_MATCH_RULE_FROM_LIST
  74     ifneq ($1,)
  75         $$(eval $$(call COMPARE_AND_REMOVE_FROM_RULE,$$(firstword $1)))
  76         ifeq ($$(RULE_FOUND),true)
  77             MATCHED_ITEM := $$(firstword $1)
  78         else
  79             $$(eval $$(call TRY_TO_MATCH_RULE_FROM_LIST,$$(wordlist 2,9999,$1)))
  80         endif
  81     endif
  82 endef
  83
  84 define ALL_IN_LIST_LOOP
  85     OLD_RULE$1 := $$(RULE)
  86     $$(eval $$(call $1,$$(ITEM$1)))
  87     RULE := $$(OLD_RULE$1)
  88 endef
  89
  90 define PARSE_ALL_IN_LIST
  91     $$(foreach ITEM$1,$2,$$(eval $$(call ALL_IN_LIST_LOOP,$1)))
  92 endef
  93
  94 define PARSE_ALL_KEYBOARDS
  95     $$(eval $$(call PARSE_ALL_IN_LIST,PARSE_KEYBOARD,$(KEYBOARDS)))
  96 endef
  97
  98 define PARSE_ALL_KEYMAPS
  99     $$(eval $$(call PARSE_ALL_IN_LIST,PARSE_KEYMAP,$$(KEYMAPS)))
 100 endef
 101
 102 define PARSE_ALL_SUBPROJECTS
 103     ifeq ($$(SUBPROJECTS),)
 104         $$(eval $$(call PARSE_SUBPROJECT,))
 105     else
 106         $$(eval $$(call PARSE_ALL_IN_LIST,PARSE_SUBPROJECT,$$(SUBPROJECTS)))
 107     endif
 108 endef
 109
 110 # $1 Subproject
 111 define PARSE_SUBPROJECT
 112     CURRENT_SP := $1
 113     KEYMAPS := $$(notdir $$(patsubst %/.,%,$$(wildcard $(ROOT_DIR)/keyboards/$$(CURRENT_KB)/keymaps/*/.)))
 114     $$(eval $$(call COMPARE_AND_REMOVE_FROM_RULE,allkm))
 115     ifeq ($$(RULE_FOUND),true)
 116         $$(eval $$(call PARSE_ALL_KEYMAPS))
 117     else
 118         $$(eval $$(call TRY_TO_MATCH_RULE_FROM_LIST,$$(KEYMAPS)))
 119         ifeq ($$(RULE_FOUND),true)
 120             $$(eval $$(call PARSE_KEYMAP,$$(MATCHED_ITEM)))
 121         endif
 122     endif
 123 endef
 124
 125 # $1 = Keyboard
 126 define PARSE_KEYBOARD
 127     CURRENT_KB := $1
 128     # A subproject is any keyboard subfolder with a makefile
 129     SUBPROJECTS := $$(notdir $$(patsubst %/Makefile,%,$$(wildcard $(ROOT_DIR)/keyboards/$$(CURRENT_KB)/*/Makefile)))
 130     $$(eval $$(call COMPARE_AND_REMOVE_FROM_RULE,allsp))
 131     ifeq ($$(RULE_FOUND),true)
 132         $$(eval $$(call PARSE_ALL_SUBPROJECTS))
 133     else
 134         $$(eval $$(call TRY_TO_MATCH_RULE_FROM_LIST,$$(SUBPROJECTS)))
 135         ifeq ($$(RULE_FOUND),true)
 136             $$(eval $$(call PARSE_SUBPROJECT,$$(MATCHED_ITEM)))
 137         endif
 138     endif
 139 endef
 140
 141 # $1 Keymap
 142 define PARSE_KEYMAP
 143     CURRENT_KM = $1
 144     COMMANDS += KEYBOARD_$$(CURRENT_KB)_SUBPROJECT_$$(CURRENT_SP)_KEYMAP_$$(CURRENT_KM)
 145     COMMAND_KEYBOARD_$$(CURRENT_KB)_SUBPROJECT_$(CURRENT_SP)_KEYMAP_$$(CURRENT_KM) := Keyboard $$(CURRENT_KB), Subproject $$(CURRENT_SP), Keymap $$(CURRENT_KM)
 146 endef
 147
 148 define PARSE_RULE
 149     RULE := $1
 150     COMMANDS :=
 151     $$(eval $$(call COMPARE_AND_REMOVE_FROM_RULE,allkb))
 152     ifeq ($$(RULE_FOUND),true)
 153         $$(eval $$(call PARSE_ALL_KEYBOARDS))
 154     else
 155         $$(eval $$(call TRY_TO_MATCH_RULE_FROM_LIST,$$(KEYBOARDS)))
 156         ifeq ($$(RULE_FOUND),true)
 157             $$(eval $$(call PARSE_KEYBOARD,$$(MATCHED_ITEM)))
 158         endif
 159     endif
 160 endef
 161
 162 RUN_COMMAND = echo "Running": $(COMMAND_$(COMMAND));
 163
 164 .PHONY: %
 165 %:
 166         $(eval $(call PARSE_RULE,$@))
 167         $(foreach COMMAND,$(COMMANDS),$(RUN_COMMAND))
 168
 169 .PHONY: all-keyboards
 170 all-keyboards: allkb
 171
 172 .PHONY: all-keyboards-defaults
 173 all-keyboards-defaults: allkb-default-default
 174
 175 .PHONY: all
 176 all:
 177         echo "Compiling"