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