aboutsummaryrefslogtreecommitdiffstats
path: root/Makefile
blob: b2a87353204a930e7eb5e9517aa2b6b5fe6fe4f8 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
STARTING_MAKEFILE := $(firstword $(MAKEFILE_LIST))
ROOT_MAKEFILE := $(lastword $(MAKEFILE_LIST))
ROOT_DIR := $(dir, $(ROOT_MAKEFILE))
ifeq ($(ROOT_DIR),)
    ROOT_DIR := .
endif
ABS_STARTING_MAKEFILE := $(abspath $(STARTING_MAKEFILE))
ABS_ROOT_MAKEFILE := $(abspath $(ROOT_MAKEFILE))
ABS_STARTING_DIR := $(dir $(ABS_STARTING_MAKEFILE))
ABS_ROOT_DIR := $(dir $(ABS_ROOT_MAKEFILE))
STARTING_DIR := $(subst $(ABS_ROOT_DIR),,$(ABS_STARTING_DIR))

PATH_ELEMENTS := $(subst /, ,$(STARTING_DIR))

MAKEFILE_INCLUDED=yes

define NEXT_PATH_ELEMENT
    $$(eval CURRENT_PATH_ELEMENT := $$(firstword  $$(PATH_ELEMENTS)))
    $$(eval PATH_ELEMENTS := $$(wordlist  2,9999,$$(PATH_ELEMENTS)))
endef

$(eval $(call NEXT_PATH_ELEMENT))

ifeq ($(CURRENT_PATH_ELEMENT),keyboards)
    $(eval $(call NEXT_PATH_ELEMENT))
    KEYBOARD := $(CURRENT_PATH_ELEMENT)
    $(eval $(call NEXT_PATH_ELEMENT))
    ifeq ($(CURRENT_PATH_ELEMENT),keymaps)
        $(eval $(call NEXT_PATH_ELEMENT))
        KEYMAP := $(CURRENT_PATH_ELEMENT)
    else ifneq ($(CURRENT_PATH_ELEMENT),)
        SUBPROJECT := $(CURRENT_PATH_ELEMENT)
        $(eval $(call NEXT_PATH_ELEMENT))
        ifeq ($(CURRENT_PATH_ELEMENT),keymaps)
            $(eval $(call NEXT_PATH_ELEMENT))
            KEYMAP := $(CURRENT_PATH_ELEMENT)
        endif
    endif
endif

$(info $(ROOT_DIR)/keyboards)
KEYBOARDS := $(notdir $(patsubst %/.,%,$(wildcard $(ROOT_DIR)/keyboards/*/.)))

$(info Keyboard: $(KEYBOARD))
$(info Keymap: $(KEYMAP))
$(info Subproject: $(SUBPROJECT))
$(info Keyboards: $(KEYBOARDS))


# Compare the start of the RULE_VARIABLE with the first argument($1)
# If the rules equals $1 or starts with $1-, RULE_FOUND is set to true
#     and $1 is removed from the RULE variable
# Otherwise the RULE_FOUND variable is set to false
# The function is a bit tricky, since there's no built in $(startswith) function
define COMPARE_AND_REMOVE_FROM_RULE_HELPER
    ifeq ($1,$$(RULE))
        RULE:=
        RULE_FOUND := true
    else
        STARTDASH_REMOVED=$$(subst START$1-,,START$$(RULE))
        ifneq ($$(STARTDASH_REMOVED),START$$(RULE))
            RULE_FOUND := true
            RULE := $$(STARTDASH_REMOVED)
        else
            RULE_FOUND := false
        endif
    endif
endef

COMPARE_AND_REMOVE_FROM_RULE = $(eval $(call COMPARE_AND_REMOVE_FROM_RULE_HELPER,$1))$(RULE_FOUND)


# Recursively try to find a match
# $1 The list to be checked
# If a match is found, then RULE_FOUND is set to true
# and MATCHED_ITEM to the item that was matched
define TRY_TO_MATCH_RULE_FROM_LIST_HELPER
    ifneq ($1,)
        ifeq ($$(call COMPARE_AND_REMOVE_FROM_RULE,$$(firstword $1)),true)
            MATCHED_ITEM := $$(firstword $1)
        else 
            $$(eval $$(call TRY_TO_MATCH_RULE_FROM_LIST_HELPER,$$(wordlist 2,9999,$1)))
        endif
    endif
endef

TRY_TO_MATCH_RULE_FROM_LIST = $(eval $(call TRY_TO_MATCH_RULE_FROM_LIST_HELPER,$1))$(RULE_FOUND)

define ALL_IN_LIST_LOOP
    OLD_RULE$1 := $$(RULE)
    $$(eval $$(call $1,$$(ITEM$1)))
    RULE := $$(OLD_RULE$1)
endef

define PARSE_ALL_IN_LIST
    $$(foreach ITEM$1,$2,$$(eval $$(call ALL_IN_LIST_LOOP,$1)))
endef

define PARSE_RULE
    RULE := $1
    COMMANDS :=
    ifeq ($$(call COMPARE_AND_REMOVE_FROM_RULE,allkb),true)
        $$(eval $$(call PARSE_ALL_KEYBOARDS))
    else ifeq ($$(call TRY_TO_MATCH_RULE_FROM_LIST,$$(KEYBOARDS)),true)
        $$(eval $$(call PARSE_KEYBOARD,$$(MATCHED_ITEM)))
    endif
endef

# $1 = Keyboard
define PARSE_KEYBOARD
    CURRENT_KB := $1
    # A subproject is any keyboard subfolder with a makefile
    SUBPROJECTS := $$(notdir $$(patsubst %/Makefile,%,$$(wildcard $(ROOT_DIR)/keyboards/$$(CURRENT_KB)/*/Makefile)))
    ifeq ($$(call COMPARE_AND_REMOVE_FROM_RULE,allsp),true)
        $$(eval $$(call PARSE_ALL_SUBPROJECTS))
    else ifeq ($$(call COMPARE_AND_REMOVE_FROM_RULE,defaultsp),true)
        $$(eval $$(call PARSE_SUBPROJECT,defaultsp))
    else ifeq ($$(call TRY_TO_MATCH_RULE_FROM_LIST,$$(SUBPROJECTS)),true)
        $$(eval $$(call PARSE_SUBPROJECT,$$(MATCHED_ITEM)))
    else 
        # If there's no matching subproject, we assume it's the default
        # This will allow you to leave the subproject part of the target out
        $$(eval $$(call PARSE_SUBPROJECT,defaultsp))
    endif
endef

define PARSE_ALL_KEYBOARDS
    $$(eval $$(call PARSE_ALL_IN_LIST,PARSE_KEYBOARD,$(KEYBOARDS)))
endef

# $1 Subproject
define PARSE_SUBPROJECT
    ifeq ($1,defaultsp)
        $$(eval include $(ROOT_DIR)/keyboards/$$(CURRENT_KB)/Makefile)
        CURRENT_SP := $$(SUBPROJECT_DEFAULT)
    else
        CURRENT_SP := $1
    endif
    KEYMAPS := $$(notdir $$(patsubst %/.,%,$$(wildcard $(ROOT_DIR)/keyboards/$$(CURRENT_KB)/keymaps/*/.)))
    ifeq ($$(call COMPARE_AND_REMOVE_FROM_RULE,allkm),true)
        $$(eval $$(call PARSE_ALL_KEYMAPS))
    else ifeq ($$(call TRY_TO_MATCH_RULE_FROM_LIST,$$(KEYMAPS)),true)
        $$(eval $$(call PARSE_KEYMAP,$$(MATCHED_ITEM)))
    endif
endef

define PARSE_ALL_SUBPROJECTS
    ifeq ($$(SUBPROJECTS),)
        $$(eval $$(call PARSE_SUBPROJECT,defaultsp))
    else
        $$(eval $$(call PARSE_ALL_IN_LIST,PARSE_SUBPROJECT,$$(SUBPROJECTS)))
    endif
endef

# $1 Keymap
define PARSE_KEYMAP
    CURRENT_KM = $1
    COMMANDS += KEYBOARD_$$(CURRENT_KB)_SUBPROJECT_$$(CURRENT_SP)_KEYMAP_$$(CURRENT_KM)
    COMMAND_KEYBOARD_$$(CURRENT_KB)_SUBPROJECT_$(CURRENT_SP)_KEYMAP_$$(CURRENT_KM) := Keyboard $$(CURRENT_KB), Subproject $$(CURRENT_SP), Keymap $$(CURRENT_KM)
endef

define PARSE_ALL_KEYMAPS
    $$(eval $$(call PARSE_ALL_IN_LIST,PARSE_KEYMAP,$$(KEYMAPS)))
endef

RUN_COMMAND = echo "Running": $(COMMAND_$(COMMAND));

.PHONY: %
%:
	$(eval $(call PARSE_RULE,$@))
	$(foreach COMMAND,$(COMMANDS),$(RUN_COMMAND))

.PHONY: all-keyboards
all-keyboards: allkb

.PHONY: all-keyboards-defaults
all-keyboards-defaults: allkb-default-default

.PHONY: all
all: 
	echo "Compiling"