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29 lines
992 B
Makefile
29 lines
992 B
Makefile
empty =
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space = $(empty) $(empty)
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comma = ,
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quote = '
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double-quote = "
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define newline
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endef
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escape = $(subst $(space),\$(space),$(subst $(double-quote),\$(double-quote),$(1)))
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list-join = $(if $(2),$(3)$(subst $(space),$(1),$(strip $(2)))$(4))
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list-quote = $(call list-join,$(quote)$(comma)$(quote),$(1),$(2)$(quote),$(quote)$(3))
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list-double-quote = $(call list-join,$(double-quote)$(space)$(double-quote),$(1),$(2)$(double-quote),$(double-quote)$(3))
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head = $(word 1,$(1))
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tail = $(wordlist 2,$(words $(1)),$(1))
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translate = $(if $(1),$(call translate,$(call tail,$(1)),$(call tail,$(2)),$$(subst $(call head,$(1)),$(call head,$(2)),$(3))),$(3))
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reverse = $(if $(1),$(call reverse,$(call tail,$(1)) $(call head,$(1))))
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[lower] := a b c d e f g h i j k l m n o p q r s t u v w x y z - .
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[upper] := A B C D E F G H I J K L M N O P Q R S T U V W X Y Z _ _
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$(eval toupper = $(call translate,$([lower]),$([upper]),$$(1)))
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$(eval tolower = $(call translate,$([upper]),$([lower]),$$(1)))
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