1 # vars for use by utils 2 empty := 3 space := $(empty) $(empty) 4 colon := $(empty):$(empty) 5 underscore := $(empty)_$(empty) 6 7 # $(call match-word,w1,w2) 8 # checks if w1 == w2 9 # How it works 10 # if (w1-w2 not empty or w2-w1 not empty) then not_match else match 11 # 12 # returns true or empty 13 #$(warning :$(1): :$(2): :$(subst $(1),,$(2)):) \ 14 #$(warning :$(2): :$(1): :$(subst $(2),,$(1)):) \ 15 # 16 define match-word 17 $(strip \ 18 $(if $(or $(subst $(1),$(empty),$(2)),$(subst $(2),$(empty),$(1))),,true) \ 19 ) 20 endef 21 22 # $(call find-word-in-list,w,wlist) 23 # finds an exact match of word w in word list wlist 24 # 25 # How it works 26 # fill wlist spaces with colon 27 # wrap w with colon 28 # search word w in list wl, if found match m, return stripped word w 29 # 30 # returns stripped word or empty 31 define find-word-in-list 32 $(strip \ 33 $(eval wl:= $(colon)$(subst $(space),$(colon),$(strip $(2)))$(colon)) \ 34 $(eval w:= $(colon)$(strip $(1))$(colon)) \ 35 $(eval m:= $(findstring $(w),$(wl))) \ 36 $(if $(m),$(1),) \ 37 ) 38 endef 39 40 # $(call match-word-in-list,w,wlist) 41 # does an exact match of word w in word list wlist 42 # How it works 43 # if the input word is not empty 44 # return output of an exact match of word w in wordlist wlist 45 # else 46 # return empty 47 # returns true or empty 48 define match-word-in-list 49 $(strip \ 50 $(if $(strip $(1)), \ 51 $(call match-word,$(call find-word-in-list,$(1),$(2)),$(strip $(1))), \ 52 ) \ 53 ) 54 endef 55 56 # $(call match-prefix,p,delim,w/wlist) 57 # matches prefix p in wlist using delimiter delim 58 # 59 # How it works 60 # trim the words in wlist w 61 # if find-word-in-list returns not empty 62 # return true 63 # else 64 # return empty 65 # 66 define match-prefix 67 $(strip \ 68 $(eval w := $(strip $(1)$(strip $(2)))) \ 69 $(eval text := $(patsubst $(w)%,$(1),$(3))) \ 70 $(if $(call match-word-in-list,$(1),$(text)),true,) \ 71 ) 72 endef 73 74 # ---- 75 # The following utilities are meant for board platform specific 76 # featurisation 77 78 # $(call get-vendor-board-platforms,v) 79 # returns list of board platforms for vendor v 80 define get-vendor-board-platforms 81 $($(1)_BOARD_PLATFORMS) 82 endef 83 84 # $(call is-board-platform,bp) 85 # returns true or empty 86 define is-board-platform 87 $(call match-word,$(1),$(TARGET_BOARD_PLATFORM)) 88 endef 89 90 # $(call is-not-board-platform,bp) 91 # returns true or empty 92 define is-not-board-platform 93 $(if $(call match-word,$(1),$(TARGET_BOARD_PLATFORM)),,true) 94 endef 95 96 # $(call is-board-platform-in-list,bpl) 97 # returns true or empty 98 define is-board-platform-in-list 99 $(call match-word-in-list,$(TARGET_BOARD_PLATFORM),$(1)) 100 endef 101 102 # $(call is-vendor-board-platform,vendor) 103 # returns true or empty 104 define is-vendor-board-platform 105 $(strip \ 106 $(call match-word-in-list,$(TARGET_BOARD_PLATFORM),\ 107 $(call get-vendor-board-platforms,$(1)) \ 108 ) \ 109 ) 110 endef 111 112 # $(call is-chipset-in-board-platform,chipset) 113 # does a prefix match of chipset in TARGET_BOARD_PLATFORM 114 # uses underscore as a delimiter 115 # 116 # returns true or empty 117 define is-chipset-in-board-platform 118 $(call match-prefix,$(1),$(underscore),$(TARGET_BOARD_PLATFORM)) 119 endef 120 121 # $(call is-chipset-prefix-in-board-platform,prefix) 122 # does a chipset prefix match in TARGET_BOARD_PLATFORM 123 # assumes '_' and 'a' as the delimiter to the chipset prefix 124 # 125 # How it works 126 # if ($(prefix)_ or $(prefix)a match in board platform) 127 # return true 128 # else 129 # return empty 130 # 131 define is-chipset-prefix-in-board-platform 132 $(strip \ 133 $(eval delim_a := $(empty)a$(empty)) \ 134 $(if \ 135 $(or \ 136 $(call match-prefix,$(1),$(delim_a),$(TARGET_BOARD_PLATFORM)), \ 137 $(call match-prefix,$(1),$(underscore),$(TARGET_BOARD_PLATFORM)), \ 138 ), \ 139 true, \ 140 ) \ 141 ) 142 endef 143 144 #---- 145 # The following utilities are meant for Android Code Name 146 # specific featurisation 147 # 148 # refer http://source.android.com/source/build-numbers.html 149 # for code names and associated sdk versions 150 CUPCAKE_SDK_VERSIONS := 3 151 DONUT_SDK_VERSIONS := 4 152 ECLAIR_SDK_VERSIONS := 5 6 7 153 FROYO_SDK_VERSIONS := 8 154 GINGERBREAD_SDK_VERSIONS := 9 10 155 HONEYCOMB_SDK_VERSIONS := 11 12 13 156 ICECREAM_SANDWICH_SDK_VERSIONS := 14 15 157 JELLY_BEAN_SDK_VERSIONS := 16 17 18 158 159 # $(call is-platform-sdk-version-at-least,version) 160 # version is a numeric SDK_VERSION defined above 161 define is-platform-sdk-version-at-least 162 $(strip \ 163 $(if $(filter 1,$(shell echo "$$(( $(PLATFORM_SDK_VERSION) >= $(1) ))" )), \ 164 true, \ 165 ) \ 166 ) 167 endef 168 169 # $(call is-android-codename,codename) 170 # codename is one of cupcake,donut,eclair,froyo,gingerbread,icecream 171 # please refer the $(codename)_SDK_VERSIONS declared above 172 define is-android-codename 173 $(strip \ 174 $(if \ 175 $(call match-word-in-list,$(PLATFORM_SDK_VERSION),$($(1)_SDK_VERSIONS)), \ 176 true, \ 177 ) \ 178 ) 179 endef 180 181 # $(call is-android-codename-in-list,cnlist) 182 # cnlist is combination/list of android codenames 183 define is-android-codename-in-list 184 $(strip \ 185 $(eval acn := $(empty)) \ 186 $(foreach \ 187 i,$(1),\ 188 $(eval acn += \ 189 $(if \ 190 $(call \ 191 match-word-in-list,\ 192 $(PLATFORM_SDK_VERSION),\ 193 $($(i)_SDK_VERSIONS)\ 194 ),\ 195 true,\ 196 )\ 197 )\ 198 ) \ 199 $(if $(strip $(acn)),true,) \ 200 ) 201 endef 202
