c0e6b52482
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
86 lines
2.6 KiB
Makefile
86 lines
2.6 KiB
Makefile
############################################################################
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#
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# This file contains various utility functions used by the package
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# infrastructure, or by the packages themselves.
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#
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############################################################################
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# UPPERCASE Macro -- transform its argument to uppercase and replace dots and
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# hyphens to underscores
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# Heavily inspired by the up macro from gmsl (http://gmsl.sf.net)
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# This is approx 5 times faster than forking a shell and tr, and
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# as this macro is used a lot it matters
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# This works by creating translation character pairs (E.G. a:A b:B)
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# and then looping though all of them running $(subst from,to,text)
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[FROM] := 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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[TO] := 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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UPPERCASE = $(strip $(eval __tmp := $1) \
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$(foreach c, $(join $(addsuffix :,$([FROM])),$([TO])), \
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$(eval __tmp := \
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$(subst $(word 1,$(subst :, ,$c)),$(word 2,$(subst :, ,$c)),\
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$(__tmp)))) \
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$(__tmp))
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#
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# Manipulation of .config files based on the Kconfig
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# infrastructure. Used by the Busybox package, the Linux kernel
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# package, and more.
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#
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define KCONFIG_ENABLE_OPT
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$(SED) "/\\<$(1)\\>/d" $(2)
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echo "$(1)=y" >> $(2)
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endef
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define KCONFIG_SET_OPT
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$(SED) "/\\<$(1)\\>/d" $(3)
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echo "$(1)=$(2)" >> $(3)
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endef
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define KCONFIG_DISABLE_OPT
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$(SED) "/\\<$(1)\\>/d" $(2)
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echo "# $(1) is not set" >> $(2)
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endef
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# Helper functions to determine the name of a package and its
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# directory from its makefile directory, using the $(MAKEFILE_LIST)
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# variable provided by make. This is used by the *TARGETS macros to
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# automagically find where the package is located. Note that the
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# pkgdir macro is carefully written to handle the case of the Linux
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# package, for which the package directory is an empty string.
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define pkgdir
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$(dir $(lastword $(MAKEFILE_LIST)))
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endef
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define pkgname
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$(lastword $(subst /, ,$(call pkgdir)))
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endef
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define pkgparentdir
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$(patsubst %$(call pkgname)/,%,$(call pkgdir))
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endef
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# Define extractors for different archive suffixes
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INFLATE.bz2 = $(BZCAT)
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INFLATE.gz = $(ZCAT)
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INFLATE.tbz = $(BZCAT)
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INFLATE.tbz2 = $(BZCAT)
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INFLATE.tgz = $(ZCAT)
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INFLATE.xz = $(XZCAT)
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INFLATE.tar = cat
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# MESSAGE Macro -- display a message in bold type
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MESSAGE = echo "$(TERM_BOLD)>>> $($(PKG)_NAME) $($(PKG)_VERSION) $(1)$(TERM_RESET)"
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TERM_BOLD := $(shell tput smso)
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TERM_RESET := $(shell tput rmso)
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# Needed for the foreach loops to loop over the list of hooks, so that
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# each hook call is properly separated by a newline.
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define sep
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endef
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