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
  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 define PARSE_ALL_KEYBOARDS
  69     COMMANDS += allkb
  70     #$$(info $$(RULE))
  71     COMMAND_allkb := "All keyboards with $$(RULE)"
  72 endef
  73
  74 define PARSE_KEYBOARD
  75     COMMANDS += $1
  76     #$$(info $$(RULE))
  77     COMMAND_$1 := "Keyboard $1 with $$(RULE)"
  78 endef
  79
  80
  81 # Recursively try to find a matching keyboard
  82 # During the first call $1 contains a list of all keyboards
  83 # One keyboard is checked and removed at a time
  84 define TRY_PARSE_KEYBOARD
  85     CURRENT_KB := $$(firstword $1)
  86     $$(eval $$(call COMPARE_AND_REMOVE_FROM_RULE,$$(CURRENT_KB)))
  87     ifeq ($$(RULE_FOUND),true)
  88         $$(eval $$(call PARSE_KEYBOARD,$$(CURRENT_KB)))
  89     else ifneq ($1,)
  90         $$(eval $$(call TRY_PARSE_KEYBOARD,$$(wordlist 2,9999,$1)))
  91     endif
  92 endef
  93
  94 define PARSE_RULE
  95     RULE := $1
  96     COMMANDS :=
  97     $$(eval $$(call COMPARE_AND_REMOVE_FROM_RULE,allkb))
  98     ifeq ($$(RULE_FOUND),true)
  99         $$(eval $$(call PARSE_ALL_KEYBOARDS))
 100     else
 101         $$(eval $$(call TRY_PARSE_KEYBOARD,$(KEYBOARDS)))
 102     endif
 103 endef
 104
 105 RUN_COMMAND = echo "Running": $(COMMAND_$(COMMAND));
 106
 107 .PHONY: %
 108 %:
 109         $(eval $(call PARSE_RULE,$@))
 110         $(foreach COMMAND,$(COMMANDS),$(RUN_COMMAND))
 111
 112 .PHONY: all-keyboards
 113 all-keyboards: allkb
 114
 115 .PHONY: all-keyboards-defaults
 116 all-keyboards-defaults: allkb-default-default
 117
 118 .PHONY: all
 119 all:
 120         echo "Compiling"