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 ($$(KEYBOARD),)
 108         # If there's no match in the beginning, then use the working directory instead
 109         # First add the keymap to the commandline if we are in a keymap subdirectory
 110         ifneq ($$(KEYMAP),)
 111             RULE := $$(KEYMAP)-$$(RULE)
 112         endif
 113         # If we are in a subproject subdirectory add the subproject
 114         ifneq ($$(SUBPROJECT),)
 115             RULE := $$(SUBPROJECT)-$$(RULE)
 116         endif
 117         $$(eval $$(call PARSE_KEYBOARD,$$(KEYBOARD)))
 118     else
 119         $$(info make: *** No rule to make target '$1'. Stop.)
 120                 exit 1
 121     endif
 122 endef
 123
 124 # $1 = Keyboard
 125 define PARSE_KEYBOARD
 126     CURRENT_KB := $1
 127     # A subproject is any keyboard subfolder with a makefile
 128     SUBPROJECTS := $$(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 ($$(call COMPARE_AND_REMOVE_FROM_RULE,defaultsp),true)
 132         $$(eval $$(call PARSE_SUBPROJECT,defaultsp))
 133     else ifeq ($$(call TRY_TO_MATCH_RULE_FROM_LIST,$$(SUBPROJECTS)),true)
 134         $$(eval $$(call PARSE_SUBPROJECT,$$(MATCHED_ITEM)))
 135     else
 136         # If there's no matching subproject, we assume it's the default
 137         # This will allow you to leave the subproject part of the target out
 138         $$(eval $$(call PARSE_SUBPROJECT,defaultsp))
 139     endif
 140 endef
 141
 142 define PARSE_ALL_KEYBOARDS
 143     $$(eval $$(call PARSE_ALL_IN_LIST,PARSE_KEYBOARD,$(KEYBOARDS)))
 144 endef
 145
 146 # $1 Subproject
 147 define PARSE_SUBPROJECT
 148     ifeq ($1,defaultsp)
 149         SUBPROJECT_DEFAULT=
 150         $$(eval include $(ROOT_DIR)/keyboards/$$(CURRENT_KB)/Makefile)
 151         CURRENT_SP := $$(SUBPROJECT_DEFAULT)
 152     else
 153         CURRENT_SP := $1
 154     endif
 155     # If current subproject is empty (the default was not defined), and we have a list of subproject
 156     # then make all
 157     ifeq ($$(CURRENT_SP),)
 158         ifneq ($$(SUBPROJECTS),)
 159             CURRENT_SP := allsp
 160          endif
 161     endif
 162     ifneq ($$(CURRENT_SP),allsp)
 163         KEYMAPS := $$(notdir $$(patsubst %/.,%,$$(wildcard $(ROOT_DIR)/keyboards/$$(CURRENT_KB)/keymaps/*/.)))
 164         ifneq ($$(CURRENT_SP),)
 165             SP_KEYMAPS := $$(notdir $$(patsubst %/.,%,$$(wildcard $(ROOT_DIR)/keyboards/$$(CURRENT_KB)/$$(CURRENT_SP)/keymaps/*/.)))
 166             KEYMAPS := $$(sort $$(KEYMAPS) $$(SP_KEYMAPS))
 167         endif
 168         ifeq ($$(call COMPARE_AND_REMOVE_FROM_RULE,allkm),true)
 169             $$(eval $$(call PARSE_ALL_KEYMAPS))
 170         else ifeq ($$(call TRY_TO_MATCH_RULE_FROM_LIST,$$(KEYMAPS)),true)
 171             $$(eval $$(call PARSE_KEYMAP,$$(MATCHED_ITEM)))
 172         else
 173             ifeq ($$(CURRENT_SP),)
 174                 $$(info make: *** No rule to make target '$$(CURRENT_KB)-$$(RULE)'. Stop.)
 175             else
 176                 $$(info make: *** No rule to make target '$$(CURRENT_KB)-$$(CURRENT_SP)-$$(RULE)'. Stop.)
 177             endif
 178                         exit 1
 179         endif
 180     else
 181         $$(eval $$(call PARSE_ALL_IN_LIST,PARSE_SUBPROJECT,$(SUBPROJECTS)))
 182     endif
 183 endef
 184
 185 define PARSE_ALL_SUBPROJECTS
 186     ifeq ($$(SUBPROJECTS),)
 187         $$(eval $$(call PARSE_SUBPROJECT,defaultsp))
 188     else
 189         $$(eval $$(call PARSE_ALL_IN_LIST,PARSE_SUBPROJECT,$$(SUBPROJECTS)))
 190     endif
 191 endef
 192
 193 # $1 Keymap
 194 define PARSE_KEYMAP
 195     CURRENT_KM = $1
 196     COMMANDS += KEYBOARD_$$(CURRENT_KB)_SUBPROJECT_$$(CURRENT_SP)_KEYMAP_$$(CURRENT_KM)
 197     COMMAND_KEYBOARD_$$(CURRENT_KB)_SUBPROJECT_$(CURRENT_SP)_KEYMAP_$$(CURRENT_KM) := Keyboard $$(CURRENT_KB), Subproject $$(CURRENT_SP), Keymap $$(CURRENT_KM)
 198 endef
 199
 200 define PARSE_ALL_KEYMAPS
 201     $$(eval $$(call PARSE_ALL_IN_LIST,PARSE_KEYMAP,$$(KEYMAPS)))
 202 endef
 203
 204 RUN_COMMAND = echo "Running": $(COMMAND_$(COMMAND));
 205
 206 .PHONY: %
 207 %:
 208         $(eval $(call PARSE_RULE,$@))
 209         $(foreach COMMAND,$(COMMANDS),$(RUN_COMMAND))
 210
 211 .PHONY: all-keyboards
 212 all-keyboards: allkb
 213
 214 .PHONY: all-keyboards-defaults
 215 all-keyboards-defaults: allkb-default-default
 216
 217 .PHONY: all
 218 all:
 219         echo "Compiling"