7ddc50a066
In preparation for setting up another Kati stage, move some common settings and tools into a common folder. This way it's a bit easier to see that they're safe to use, and that they shouldn't depend on anything outside of the common folder. Bug: 117463001 Test: build-aosp_arm.ninja is the same before and after Change-Id: Ief4b75a4dbe45b73ffd03bf32c60695c816d979d
117 lines
4.3 KiB
Makefile
117 lines
4.3 KiB
Makefile
#
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# Copyright (C) 2018 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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###########################################################
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## Convert to lower case without requiring a shell, which isn't cacheable.
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##
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## $(1): string
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###########################################################
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to-lower=$(subst A,a,$(subst B,b,$(subst C,c,$(subst D,d,$(subst E,e,$(subst F,f,$(subst G,g,$(subst H,h,$(subst I,i,$(subst J,j,$(subst K,k,$(subst L,l,$(subst M,m,$(subst N,n,$(subst O,o,$(subst P,p,$(subst Q,q,$(subst R,r,$(subst S,s,$(subst T,t,$(subst U,u,$(subst V,v,$(subst W,w,$(subst X,x,$(subst Y,y,$(subst Z,z,$1))))))))))))))))))))))))))
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###########################################################
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## Convert to upper case without requiring a shell, which isn't cacheable.
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##
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## $(1): string
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###########################################################
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to-upper=$(subst a,A,$(subst b,B,$(subst c,C,$(subst d,D,$(subst e,E,$(subst f,F,$(subst g,G,$(subst h,H,$(subst i,I,$(subst j,J,$(subst k,K,$(subst l,L,$(subst m,M,$(subst n,N,$(subst o,O,$(subst p,P,$(subst q,Q,$(subst r,R,$(subst s,S,$(subst t,T,$(subst u,U,$(subst v,V,$(subst w,W,$(subst x,X,$(subst y,Y,$(subst z,Z,$1))))))))))))))))))))))))))
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# Sanity-check to-lower and to-upper
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lower := abcdefghijklmnopqrstuvwxyz-_
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upper := ABCDEFGHIJKLMNOPQRSTUVWXYZ-_
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ifneq ($(lower),$(call to-lower,$(upper)))
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$(error to-lower sanity check failure)
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endif
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ifneq ($(upper),$(call to-upper,$(lower)))
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$(error to-upper sanity check failure)
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endif
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lower :=
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upper :=
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###########################################################
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## Returns true if $(1) and $(2) are equal. Returns
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## the empty string if they are not equal.
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###########################################################
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define streq
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$(strip $(if $(strip $(1)),\
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$(if $(strip $(2)),\
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$(if $(filter-out __,_$(subst $(strip $(1)),,$(strip $(2)))$(subst $(strip $(2)),,$(strip $(1)))_),,true), \
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),\
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$(if $(strip $(2)),\
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,\
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true)\
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))
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endef
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###########################################################
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## Convert "a b c" into "a:b:c"
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###########################################################
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define normalize-path-list
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$(subst $(space),:,$(strip $(1)))
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endef
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###########################################################
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## Convert "a b c" into "a,b,c"
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###########################################################
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define normalize-comma-list
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$(subst $(space),$(comma),$(strip $(1)))
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endef
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###########################################################
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## Read the word out of a colon-separated list of words.
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## This has the same behavior as the built-in function
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## $(word n,str).
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##
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## The individual words may not contain spaces.
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##
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## $(1): 1 based index
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## $(2): value of the form a:b:c...
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###########################################################
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define word-colon
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$(word $(1),$(subst :,$(space),$(2)))
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endef
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###########################################################
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## Convert "a=b c= d e = f" into "a=b c=d e=f"
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##
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## $(1): list to collapse
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## $(2): if set, separator word; usually "=", ":", or ":="
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## Defaults to "=" if not set.
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###########################################################
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define collapse-pairs
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$(eval _cpSEP := $(strip $(if $(2),$(2),=)))\
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$(strip $(subst $(space)$(_cpSEP)$(space),$(_cpSEP),$(strip \
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$(subst $(_cpSEP), $(_cpSEP) ,$(1)))$(space)))
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endef
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###########################################################
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## Given a list of pairs, if multiple pairs have the same
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## first components, keep only the first pair.
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##
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## $(1): list of pairs
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## $(2): the separator word, such as ":", "=", etc.
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define uniq-pairs-by-first-component
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$(eval _upbfc_fc_set :=)\
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$(strip $(foreach w,$(1), $(eval _first := $(word 1,$(subst $(2),$(space),$(w))))\
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$(if $(filter $(_upbfc_fc_set),$(_first)),,$(w)\
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$(eval _upbfc_fc_set += $(_first)))))\
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$(eval _upbfc_fc_set :=)\
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$(eval _first:=)
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endef
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