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 QUANTUM_DIR:=$(ROOT_DIR)/quantum
  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 KEYBOARDS := $(notdir $(patsubst %/.,%,$(wildcard $(ROOT_DIR)/keyboards/*/.)))
  43
  44 $(info Keyboard: $(KEYBOARD))
  45 $(info Keymap: $(KEYMAP))
  46 $(info Subproject: $(SUBPROJECT))
  47 $(info Keyboards: $(KEYBOARDS))
  48
  49
  50 # Compare the start of the RULE_VARIABLE with the first argument($1)
  51 # If the rules equals $1 or starts with $1-, RULE_FOUND is set to true
  52 #     and $1 is removed from the RULE variable
  53 # Otherwise the RULE_FOUND variable is set to false
  54 # The function is a bit tricky, since there's no built in $(startswith) function
  55 define COMPARE_AND_REMOVE_FROM_RULE_HELPER
  56     ifeq ($1,$$(RULE))
  57         RULE:=
  58         RULE_FOUND := true
  59     else
  60         STARTDASH_REMOVED=$$(subst START$1-,,START$$(RULE))
  61         ifneq ($$(STARTDASH_REMOVED),START$$(RULE))
  62             RULE_FOUND := true
  63             RULE := $$(STARTDASH_REMOVED)
  64         else
  65             RULE_FOUND := false
  66         endif
  67     endif
  68 endef
  69
  70 COMPARE_AND_REMOVE_FROM_RULE = $(eval $(call COMPARE_AND_REMOVE_FROM_RULE_HELPER,$1))$(RULE_FOUND)
  71
  72
  73 # Recursively try to find a match
  74 # $1 The list to be checked
  75 # If a match is found, then RULE_FOUND is set to true
  76 # and MATCHED_ITEM to the item that was matched
  77 define TRY_TO_MATCH_RULE_FROM_LIST_HELPER
  78     ifneq ($1,)
  79         ifeq ($$(call COMPARE_AND_REMOVE_FROM_RULE,$$(firstword $1)),true)
  80             MATCHED_ITEM := $$(firstword $1)
  81         else
  82             $$(eval $$(call TRY_TO_MATCH_RULE_FROM_LIST_HELPER,$$(wordlist 2,9999,$1)))
  83         endif
  84     endif
  85 endef
  86
  87 TRY_TO_MATCH_RULE_FROM_LIST = $(eval $(call TRY_TO_MATCH_RULE_FROM_LIST_HELPER,$1))$(RULE_FOUND)
  88
  89 define ALL_IN_LIST_LOOP
  90     OLD_RULE$1 := $$(RULE)
  91     $$(eval $$(call $1,$$(ITEM$1)))
  92     RULE := $$(OLD_RULE$1)
  93 endef
  94
  95 define PARSE_ALL_IN_LIST
  96     $$(foreach ITEM$1,$2,$$(eval $$(call ALL_IN_LIST_LOOP,$1)))
  97 endef
  98
  99 define PARSE_RULE
 100     RULE := $1
 101     COMMANDS :=
 102     ifeq ($$(call COMPARE_AND_REMOVE_FROM_RULE,allkb),true)
 103         $$(eval $$(call PARSE_ALL_KEYBOARDS))
 104     else ifeq ($$(call TRY_TO_MATCH_RULE_FROM_LIST,$$(KEYBOARDS)),true)
 105         $$(eval $$(call PARSE_KEYBOARD,$$(MATCHED_ITEM)))
 106     endif
 107 endef
 108
 109 # $1 = Keyboard
 110 define PARSE_KEYBOARD
 111     CURRENT_KB := $1
 112     # A subproject is any keyboard subfolder with a makefile
 113     SUBPROJECTS := $$(notdir $$(patsubst %/Makefile,%,$$(wildcard $(ROOT_DIR)/keyboards/$$(CURRENT_KB)/*/Makefile)))
 114     ifeq ($$(call COMPARE_AND_REMOVE_FROM_RULE,allsp),true)
 115         $$(eval $$(call PARSE_ALL_SUBPROJECTS))
 116     else ifeq ($$(call COMPARE_AND_REMOVE_FROM_RULE,defaultsp),true)
 117         $$(eval $$(call PARSE_SUBPROJECT,defaultsp))
 118     else ifeq ($$(call TRY_TO_MATCH_RULE_FROM_LIST,$$(SUBPROJECTS)),true)
 119         $$(eval $$(call PARSE_SUBPROJECT,$$(MATCHED_ITEM)))
 120     else
 121         # If there's no matching subproject, we assume it's the default
 122         # This will allow you to leave the subproject part of the target out
 123         $$(eval $$(call PARSE_SUBPROJECT,defaultsp))
 124     endif
 125 endef
 126
 127 define PARSE_ALL_KEYBOARDS
 128     $$(eval $$(call PARSE_ALL_IN_LIST,PARSE_KEYBOARD,$(KEYBOARDS)))
 129 endef
 130
 131 # $1 Subproject
 132 define PARSE_SUBPROJECT
 133     ifeq ($1,defaultsp)
 134         $$(eval include $(ROOT_DIR)/keyboards/$$(CURRENT_KB)/Makefile)
 135         CURRENT_SP := $$(SUBPROJECT_DEFAULT)
 136     else
 137         CURRENT_SP := $1
 138     endif
 139     KEYMAPS := $$(notdir $$(patsubst %/.,%,$$(wildcard $(ROOT_DIR)/keyboards/$$(CURRENT_KB)/keymaps/*/.)))
 140     ifeq ($$(call COMPARE_AND_REMOVE_FROM_RULE,allkm),true)
 141         $$(eval $$(call PARSE_ALL_KEYMAPS))
 142     else ifeq ($$(call TRY_TO_MATCH_RULE_FROM_LIST,$$(KEYMAPS)),true)
 143         $$(eval $$(call PARSE_KEYMAP,$$(MATCHED_ITEM)))
 144     endif
 145 endef
 146
 147 define PARSE_ALL_SUBPROJECTS
 148     ifeq ($$(SUBPROJECTS),)
 149         $$(eval $$(call PARSE_SUBPROJECT,defaultsp))
 150     else
 151         $$(eval $$(call PARSE_ALL_IN_LIST,PARSE_SUBPROJECT,$$(SUBPROJECTS)))
 152     endif
 153 endef
 154
 155 # $1 Keymap
 156 define PARSE_KEYMAP
 157     CURRENT_KM = $1
 158     COMMANDS += KEYBOARD_$$(CURRENT_KB)_SUBPROJECT_$$(CURRENT_SP)_KEYMAP_$$(CURRENT_KM)
 159     COMMAND_KEYBOARD_$$(CURRENT_KB)_SUBPROJECT_$(CURRENT_SP)_KEYMAP_$$(CURRENT_KM) := Keyboard $$(CURRENT_KB), Subproject $$(CURRENT_SP), Keymap $$(CURRENT_KM)
 160 endef
 161
 162 define PARSE_ALL_KEYMAPS
 163     $$(eval $$(call PARSE_ALL_IN_LIST,PARSE_KEYMAP,$$(KEYMAPS)))
 164 endef
 165
 166 RUN_COMMAND = echo "Running": $(COMMAND_$(COMMAND));
 167
 168 .PHONY: %
 169 %:
 170         $(eval $(call PARSE_RULE,$@))
 171         $(foreach COMMAND,$(COMMANDS),$(RUN_COMMAND))
 172
 173 .PHONY: all-keyboards
 174 all-keyboards: allkb
 175
 176 .PHONY: all-keyboards-defaults
 177 all-keyboards-defaults: allkb-default-default
 178
 179 .PHONY: all
 180 all:
 181         echo "Compiling"