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