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 # Only consider folders with makefiles, to prevent errors in case there are extra folders
  42 KEYBOARDS := $(notdir $(patsubst %/Makefile,%,$(wildcard $(ROOT_DIR)/keyboards/*/Makefile)))
  43
  44 #Compability with the old make variables
  45 ifdef keyboard
  46     KEYBOARD := $(keyboard)
  47 endif
  48 ifdef sub
  49     SUBPROJECT := $(sub)
  50 endif
  51 ifdef subproject
  52     SUBPROJECT := $(subproject)
  53 endif
  54 ifdef keymap
  55     KEYMAP := $(keymap)
  56 endif
  57
  58 $(info Keyboard: $(KEYBOARD))
  59 $(info Keymap: $(KEYMAP))
  60 $(info Subproject: $(SUBPROJECT))
  61 $(info Keyboards: $(KEYBOARDS))
  62
  63 .DEFAULT_GOAL := all
  64 ifneq ($(KEYMAP),)
  65     ifeq ($(SUBPROJECT),)
  66         .DEFAULT_GOAL := $(KEYBOARD)-$(KEYMAP)
  67     else
  68         .DEFAULT_GOAL := $(KEYBOARD)-$(SUBPROJECT)-$(KEYMAP)
  69     endif
  70 else ifneq ($(SUBPROJECT),)
  71     .DEFAULT_GOAL := $(KEYBOARD)-$(SUBPROJECT)-allkm
  72 else ifneq ($(KEYBOARD),)
  73     .DEFAULT_GOAL := $(KEYBOARD)-allsp-allkm
  74 endif
  75
  76
  77 # Compare the start of the RULE_VARIABLE with the first argument($1)
  78 # If the rules equals $1 or starts with $1-, RULE_FOUND is set to true
  79 #     and $1 is removed from the RULE variable
  80 # Otherwise the RULE_FOUND variable is set to false
  81 # The function is a bit tricky, since there's no built in $(startswith) function
  82 define COMPARE_AND_REMOVE_FROM_RULE_HELPER
  83     ifeq ($1,$$(RULE))
  84         RULE:=
  85         RULE_FOUND := true
  86     else
  87         STARTDASH_REMOVED=$$(subst START$1-,,START$$(RULE))
  88         ifneq ($$(STARTDASH_REMOVED),START$$(RULE))
  89             RULE_FOUND := true
  90             RULE := $$(STARTDASH_REMOVED)
  91         else
  92             RULE_FOUND := false
  93         endif
  94     endif
  95 endef
  96
  97 COMPARE_AND_REMOVE_FROM_RULE = $(eval $(call COMPARE_AND_REMOVE_FROM_RULE_HELPER,$1))$(RULE_FOUND)
  98
  99
 100 # Recursively try to find a match
 101 # $1 The list to be checked
 102 # If a match is found, then RULE_FOUND is set to true
 103 # and MATCHED_ITEM to the item that was matched
 104 define TRY_TO_MATCH_RULE_FROM_LIST_HELPER
 105     ifneq ($1,)
 106         ifeq ($$(call COMPARE_AND_REMOVE_FROM_RULE,$$(firstword $1)),true)
 107             MATCHED_ITEM := $$(firstword $1)
 108         else
 109             $$(eval $$(call TRY_TO_MATCH_RULE_FROM_LIST_HELPER,$$(wordlist 2,9999,$1)))
 110         endif
 111     endif
 112 endef
 113
 114 TRY_TO_MATCH_RULE_FROM_LIST = $(eval $(call TRY_TO_MATCH_RULE_FROM_LIST_HELPER,$1))$(RULE_FOUND)
 115
 116 define ALL_IN_LIST_LOOP
 117     OLD_RULE$1 := $$(RULE)
 118     $$(eval $$(call $1,$$(ITEM$1)))
 119     RULE := $$(OLD_RULE$1)
 120 endef
 121
 122 define PARSE_ALL_IN_LIST
 123     $$(foreach ITEM$1,$2,$$(eval $$(call ALL_IN_LIST_LOOP,$1)))
 124 endef
 125
 126 define PARSE_RULE
 127     RULE := $1
 128     COMMANDS :=
 129     ifeq ($$(call COMPARE_AND_REMOVE_FROM_RULE,allkb),true)
 130         $$(eval $$(call PARSE_ALL_KEYBOARDS))
 131     else ifeq ($$(call TRY_TO_MATCH_RULE_FROM_LIST,$$(KEYBOARDS)),true)
 132         $$(eval $$(call PARSE_KEYBOARD,$$(MATCHED_ITEM)))
 133     else ifneq ($$(KEYBOARD),)
 134         $$(eval $$(call PARSE_KEYBOARD,$$(KEYBOARD)))
 135     else
 136         $$(info make: *** No rule to make target '$1'. Stop.)
 137                 exit 1
 138     endif
 139 endef
 140
 141 # $1 = Keyboard
 142 define PARSE_KEYBOARD
 143     CURRENT_KB := $1
 144     # A subproject is any keyboard subfolder with a makefile
 145     SUBPROJECTS := $$(notdir $$(patsubst %/Makefile,%,$$(wildcard $(ROOT_DIR)/keyboards/$$(CURRENT_KB)/*/Makefile)))
 146     ifeq ($$(call COMPARE_AND_REMOVE_FROM_RULE,allsp),true)
 147         $$(eval $$(call PARSE_ALL_SUBPROJECTS))
 148     else ifeq ($$(call COMPARE_AND_REMOVE_FROM_RULE,defaultsp),true)
 149         $$(eval $$(call PARSE_SUBPROJECT,defaultsp))
 150     else ifeq ($$(call TRY_TO_MATCH_RULE_FROM_LIST,$$(SUBPROJECTS)),true)
 151         $$(eval $$(call PARSE_SUBPROJECT,$$(MATCHED_ITEM)))
 152     else ifneq ($$(SUBPROJECT),)
 153         $$(eval $$(call PARSE_SUBPROJECT,$$(SUBPROJECT)))
 154     else
 155         # If there's no matching subproject, we assume it's the default
 156         # This will allow you to leave the subproject part of the target out
 157         $$(eval $$(call PARSE_SUBPROJECT,defaultsp))
 158     endif
 159 endef
 160
 161 define PARSE_ALL_KEYBOARDS
 162     $$(eval $$(call PARSE_ALL_IN_LIST,PARSE_KEYBOARD,$(KEYBOARDS)))
 163 endef
 164
 165 # $1 Subproject
 166 define PARSE_SUBPROJECT
 167     ifeq ($1,defaultsp)
 168         SUBPROJECT_DEFAULT=
 169         $$(eval include $(ROOT_DIR)/keyboards/$$(CURRENT_KB)/Makefile)
 170         CURRENT_SP := $$(SUBPROJECT_DEFAULT)
 171     else
 172         CURRENT_SP := $1
 173     endif
 174     # If current subproject is empty (the default was not defined), and we have a list of subproject
 175     # then make all
 176     ifeq ($$(CURRENT_SP),)
 177         ifneq ($$(SUBPROJECTS),)
 178             CURRENT_SP := allsp
 179          endif
 180     endif
 181     ifneq ($$(CURRENT_SP),allsp)
 182         KEYMAPS := $$(notdir $$(patsubst %/.,%,$$(wildcard $(ROOT_DIR)/keyboards/$$(CURRENT_KB)/keymaps/*/.)))
 183         ifneq ($$(CURRENT_SP),)
 184             SP_KEYMAPS := $$(notdir $$(patsubst %/.,%,$$(wildcard $(ROOT_DIR)/keyboards/$$(CURRENT_KB)/$$(CURRENT_SP)/keymaps/*/.)))
 185             KEYMAPS := $$(sort $$(KEYMAPS) $$(SP_KEYMAPS))
 186         endif
 187         ifeq ($$(RULE),)
 188             $$(eval $$(call PARSE_ALL_KEYMAPS))
 189         else ifeq ($$(call COMPARE_AND_REMOVE_FROM_RULE,allkm),true)
 190             $$(eval $$(call PARSE_ALL_KEYMAPS))
 191         else ifeq ($$(call TRY_TO_MATCH_RULE_FROM_LIST,$$(KEYMAPS)),true)
 192             $$(eval $$(call PARSE_KEYMAP,$$(MATCHED_ITEM)))
 193         else ifneq ($$(KEYMAP),)
 194             $$(eval $$(call PARSE_KEYMAP,$$(KEYMAP)))
 195         else
 196             ifeq ($$(CURRENT_SP),)
 197                 $$(info make: *** No rule to make target '$$(CURRENT_KB)-$$(RULE)'. Stop.)
 198             else
 199                 $$(info make: *** No rule to make target '$$(CURRENT_KB)-$$(CURRENT_SP)-$$(RULE)'. Stop.)
 200             endif
 201                         exit 1
 202         endif
 203     else
 204         $$(eval $$(call PARSE_ALL_IN_LIST,PARSE_SUBPROJECT,$(SUBPROJECTS)))
 205     endif
 206 endef
 207
 208 define PARSE_ALL_SUBPROJECTS
 209     ifeq ($$(SUBPROJECTS),)
 210         $$(eval $$(call PARSE_SUBPROJECT,defaultsp))
 211     else
 212         $$(eval $$(call PARSE_ALL_IN_LIST,PARSE_SUBPROJECT,$$(SUBPROJECTS)))
 213     endif
 214 endef
 215
 216 # $1 Keymap
 217 define PARSE_KEYMAP
 218     CURRENT_KM = $1
 219     COMMANDS += KEYBOARD_$$(CURRENT_KB)_SUBPROJECT_$$(CURRENT_SP)_KEYMAP_$$(CURRENT_KM)
 220     COMMAND_KEYBOARD_$$(CURRENT_KB)_SUBPROJECT_$(CURRENT_SP)_KEYMAP_$$(CURRENT_KM) := Keyboard $$(CURRENT_KB), Subproject $$(CURRENT_SP), Keymap $$(CURRENT_KM)
 221 endef
 222
 223 define PARSE_ALL_KEYMAPS
 224     $$(eval $$(call PARSE_ALL_IN_LIST,PARSE_KEYMAP,$$(KEYMAPS)))
 225 endef
 226
 227 RUN_COMMAND = echo "Running": $(COMMAND_$(COMMAND));
 228
 229 # Allow specifying just the subproject, in the keyboard directory, which will compile all keymaps
 230 SUBPROJECTS := $(notdir $(patsubst %/Makefile,%,$(wildcard ./*/Makefile)))
 231 .PHONY: $(SUBPROJECTS)
 232 $(SUBPROJECTS): %: %-allkm
 233
 234 .PHONY: %
 235 %:
 236         $(eval $(call PARSE_RULE,$@))
 237         $(foreach COMMAND,$(COMMANDS),$(RUN_COMMAND))
 238
 239 .PHONY: all
 240 all: all-keyboards
 241
 242 .PHONY: all-keyboards
 243 all-keyboards: allkb-allsp-allkm
 244
 245 .PHONY: all-keyboards-defaults
 246 all-keyboards-defaults: allkb-allsp-default