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 MAKEFILE_INCLUDED=yes
  16
  17 define NEXT_PATH_ELEMENT
  18     $$(eval CURRENT_PATH_ELEMENT := $$(firstword  $$(PATH_ELEMENTS)))
  19     $$(eval PATH_ELEMENTS := $$(wordlist  2,9999,$$(PATH_ELEMENTS)))
  20 endef
  21
  22 $(eval $(call NEXT_PATH_ELEMENT))
  23
  24 ifeq ($(CURRENT_PATH_ELEMENT),keyboards)
  25     $(eval $(call NEXT_PATH_ELEMENT))
  26     KEYBOARD := $(CURRENT_PATH_ELEMENT)
  27     $(eval $(call NEXT_PATH_ELEMENT))
  28     ifeq ($(CURRENT_PATH_ELEMENT),keymaps)
  29         $(eval $(call NEXT_PATH_ELEMENT))
  30         KEYMAP := $(CURRENT_PATH_ELEMENT)
  31     else ifneq ($(CURRENT_PATH_ELEMENT),)
  32         SUBPROJECT := $(CURRENT_PATH_ELEMENT)
  33         $(eval $(call NEXT_PATH_ELEMENT))
  34         ifeq ($(CURRENT_PATH_ELEMENT),keymaps)
  35             $(eval $(call NEXT_PATH_ELEMENT))
  36             KEYMAP := $(CURRENT_PATH_ELEMENT)
  37         endif
  38     endif
  39 endif
  40
  41 $(info $(ROOT_DIR)/keyboards)
  42 # Only consider folders with makefiles, to prevent errors in case there are extra folders
  43 KEYBOARDS := $(notdir $(patsubst %/Makefile,%,$(wildcard $(ROOT_DIR)/keyboards/*/Makefile)))
  44
  45 $(info Keyboard: $(KEYBOARD))
  46 $(info Keymap: $(KEYMAP))
  47 $(info Subproject: $(SUBPROJECT))
  48 $(info Keyboards: $(KEYBOARDS))
  49
  50
  51 # Compare the start of the RULE_VARIABLE with the first argument($1)
  52 # If the rules equals $1 or starts with $1-, RULE_FOUND is set to true
  53 #     and $1 is removed from the RULE variable
  54 # Otherwise the RULE_FOUND variable is set to false
  55 # The function is a bit tricky, since there's no built in $(startswith) function
  56 define COMPARE_AND_REMOVE_FROM_RULE_HELPER
  57     ifeq ($1,$$(RULE))
  58         RULE:=
  59         RULE_FOUND := true
  60     else
  61         STARTDASH_REMOVED=$$(subst START$1-,,START$$(RULE))
  62         ifneq ($$(STARTDASH_REMOVED),START$$(RULE))
  63             RULE_FOUND := true
  64             RULE := $$(STARTDASH_REMOVED)
  65         else
  66             RULE_FOUND := false
  67         endif
  68     endif
  69 endef
  70
  71 COMPARE_AND_REMOVE_FROM_RULE = $(eval $(call COMPARE_AND_REMOVE_FROM_RULE_HELPER,$1))$(RULE_FOUND)
  72
  73
  74 # Recursively try to find a match
  75 # $1 The list to be checked
  76 # If a match is found, then RULE_FOUND is set to true
  77 # and MATCHED_ITEM to the item that was matched
  78 define TRY_TO_MATCH_RULE_FROM_LIST_HELPER
  79     ifneq ($1,)
  80         ifeq ($$(call COMPARE_AND_REMOVE_FROM_RULE,$$(firstword $1)),true)
  81             MATCHED_ITEM := $$(firstword $1)
  82         else
  83             $$(eval $$(call TRY_TO_MATCH_RULE_FROM_LIST_HELPER,$$(wordlist 2,9999,$1)))
  84         endif
  85     endif
  86 endef
  87
  88 TRY_TO_MATCH_RULE_FROM_LIST = $(eval $(call TRY_TO_MATCH_RULE_FROM_LIST_HELPER,$1))$(RULE_FOUND)
  89
  90 define ALL_IN_LIST_LOOP
  91     OLD_RULE$1 := $$(RULE)
  92     $$(eval $$(call $1,$$(ITEM$1)))
  93     RULE := $$(OLD_RULE$1)
  94 endef
  95
  96 define PARSE_ALL_IN_LIST
  97     $$(foreach ITEM$1,$2,$$(eval $$(call ALL_IN_LIST_LOOP,$1)))
  98 endef
  99
 100 define PARSE_RULE
 101     RULE := $1
 102     COMMANDS :=
 103     ifeq ($$(call COMPARE_AND_REMOVE_FROM_RULE,allkb),true)
 104         $$(eval $$(call PARSE_ALL_KEYBOARDS))
 105     else ifeq ($$(call TRY_TO_MATCH_RULE_FROM_LIST,$$(KEYBOARDS)),true)
 106         $$(eval $$(call PARSE_KEYBOARD,$$(MATCHED_ITEM)))
 107     else ifneq ($$(KEYBOARD),)
 108         $$(eval $$(call PARSE_KEYBOARD,$$(KEYBOARD)))
 109     else
 110         $$(info make: *** No rule to make target '$1'. Stop.)
 111                 exit 1
 112     endif
 113 endef
 114
 115 # $1 = Keyboard
 116 define PARSE_KEYBOARD
 117     CURRENT_KB := $1
 118     # A subproject is any keyboard subfolder with a makefile
 119     SUBPROJECTS := $$(notdir $$(patsubst %/Makefile,%,$$(wildcard $(ROOT_DIR)/keyboards/$$(CURRENT_KB)/*/Makefile)))
 120     ifeq ($$(call COMPARE_AND_REMOVE_FROM_RULE,allsp),true)
 121         $$(eval $$(call PARSE_ALL_SUBPROJECTS))
 122     else ifeq ($$(call COMPARE_AND_REMOVE_FROM_RULE,defaultsp),true)
 123         $$(eval $$(call PARSE_SUBPROJECT,defaultsp))
 124     else ifeq ($$(call TRY_TO_MATCH_RULE_FROM_LIST,$$(SUBPROJECTS)),true)
 125         $$(eval $$(call PARSE_SUBPROJECT,$$(MATCHED_ITEM)))
 126     else
 127         # If there's no matching subproject, we assume it's the default
 128         # This will allow you to leave the subproject part of the target out
 129         $$(eval $$(call PARSE_SUBPROJECT,defaultsp))
 130     endif
 131 endef
 132
 133 define PARSE_ALL_KEYBOARDS
 134     $$(eval $$(call PARSE_ALL_IN_LIST,PARSE_KEYBOARD,$(KEYBOARDS)))
 135 endef
 136
 137 # $1 Subproject
 138 define PARSE_SUBPROJECT
 139     ifeq ($1,defaultsp)
 140         SUBPROJECT_DEFAULT=
 141         $$(eval include $(ROOT_DIR)/keyboards/$$(CURRENT_KB)/Makefile)
 142         CURRENT_SP := $$(SUBPROJECT_DEFAULT)
 143     else
 144         CURRENT_SP := $1
 145     endif
 146     # If current subproject is empty (the default was not defined), and we have a list of subproject
 147     # then make all
 148     ifeq ($$(CURRENT_SP),)
 149         ifneq ($$(SUBPROJECTS),)
 150             CURRENT_SP := allsp
 151          endif
 152     endif
 153     ifneq ($$(CURRENT_SP),allsp)
 154         KEYMAPS := $$(notdir $$(patsubst %/.,%,$$(wildcard $(ROOT_DIR)/keyboards/$$(CURRENT_KB)/keymaps/*/.)))
 155         ifneq ($$(CURRENT_SP),)
 156             SP_KEYMAPS := $$(notdir $$(patsubst %/.,%,$$(wildcard $(ROOT_DIR)/keyboards/$$(CURRENT_KB)/$$(CURRENT_SP)/keymaps/*/.)))
 157             KEYMAPS := $$(sort $$(KEYMAPS) $$(SP_KEYMAPS))
 158         endif
 159         ifeq ($$(call COMPARE_AND_REMOVE_FROM_RULE,allkm),true)
 160             $$(eval $$(call PARSE_ALL_KEYMAPS))
 161         else ifeq ($$(call TRY_TO_MATCH_RULE_FROM_LIST,$$(KEYMAPS)),true)
 162             $$(eval $$(call PARSE_KEYMAP,$$(MATCHED_ITEM)))
 163         else
 164             ifeq ($$(CURRENT_SP),)
 165                 $$(info make: *** No rule to make target '$$(CURRENT_KB)-$$(RULE)'. Stop.)
 166             else
 167                 $$(info make: *** No rule to make target '$$(CURRENT_KB)-$$(CURRENT_SP)-$$(RULE)'. Stop.)
 168             endif
 169                         exit 1
 170         endif
 171     else
 172         $$(eval $$(call PARSE_ALL_IN_LIST,PARSE_SUBPROJECT,$(SUBPROJECTS)))
 173     endif
 174 endef
 175
 176 define PARSE_ALL_SUBPROJECTS
 177     ifeq ($$(SUBPROJECTS),)
 178         $$(eval $$(call PARSE_SUBPROJECT,defaultsp))
 179     else
 180         $$(eval $$(call PARSE_ALL_IN_LIST,PARSE_SUBPROJECT,$$(SUBPROJECTS)))
 181     endif
 182 endef
 183
 184 # $1 Keymap
 185 define PARSE_KEYMAP
 186     CURRENT_KM = $1
 187     COMMANDS += KEYBOARD_$$(CURRENT_KB)_SUBPROJECT_$$(CURRENT_SP)_KEYMAP_$$(CURRENT_KM)
 188     COMMAND_KEYBOARD_$$(CURRENT_KB)_SUBPROJECT_$(CURRENT_SP)_KEYMAP_$$(CURRENT_KM) := Keyboard $$(CURRENT_KB), Subproject $$(CURRENT_SP), Keymap $$(CURRENT_KM)
 189 endef
 190
 191 define PARSE_ALL_KEYMAPS
 192     $$(eval $$(call PARSE_ALL_IN_LIST,PARSE_KEYMAP,$$(KEYMAPS)))
 193 endef
 194
 195 RUN_COMMAND = echo "Running": $(COMMAND_$(COMMAND));
 196
 197 .PHONY: %
 198 %:
 199         $(eval $(call PARSE_RULE,$@))
 200         $(foreach COMMAND,$(COMMANDS),$(RUN_COMMAND))
 201
 202 .PHONY: all-keyboards
 203 all-keyboards: allkb
 204
 205 .PHONY: all-keyboards-defaults
 206 all-keyboards-defaults: allkb-default-default
 207
 208 .PHONY: all
 209 all:
 210         echo "Compiling"