371327f7b6
This reverts commit c28a28eed1. The
whole host-lzop optional dependency logic cannot work, since the
configuration file will only be known after the kernel sources are
extracted, if an internal kernel defconfig is used, which is quite
common.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
132 lines
4.3 KiB
Makefile
132 lines
4.3 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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# LOWERCASE macro -- transforms its arguments to lowercase
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# The above non-tr implementation is not needed, because LOWERCASE is not
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# called very often
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define LOWERCASE
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$(shell echo $1 | tr '[:upper:]' '[:lower:]')
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endef
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#
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# Manipulation of .config files based on the Kconfig
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# infrastructure. Used by the Busybox package, the Linux kernel
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# package, and more.
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#
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define KCONFIG_ENABLE_OPT
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$(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.
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pkgdir = $(dir $(lastword $(MAKEFILE_LIST)))
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pkgname = $(lastword $(subst /, ,$(pkgdir)))
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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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# suitable-extractor(filename): returns extractor based on suffix
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suitable-extractor = $(INFLATE$(suffix $(1)))
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# MESSAGE Macro -- display a message in bold type
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MESSAGE = echo "$(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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# Utility functions for 'find'
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# findfileclauses(filelist) => -name 'X' -o -name 'Y'
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findfileclauses = $(call notfirstword,$(patsubst %,-o -name '%',$(1)))
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# finddirclauses(base, dirlist) => -path 'base/dirX' -o -path 'base/dirY'
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finddirclauses = $(call notfirstword,$(patsubst %,-o -path '$(1)/%',$(2)))
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# Miscellaneous utility functions
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# notfirstword(wordlist): returns all but the first word in wordlist
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notfirstword = $(wordlist 2,$(words $(1)),$(1))
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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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#
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# legal-info helper functions
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#
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LEGAL_INFO_SEPARATOR="::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::"
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define legal-warning # text
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echo "WARNING: $(1)" >>$(LEGAL_WARNINGS)
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endef
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define legal-warning-pkg # pkg, text
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echo "WARNING: $(1): $(2)" >>$(LEGAL_WARNINGS)
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endef
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define legal-warning-pkg-savednothing # pkg, {local|override}
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$(call legal-warning-pkg,$(1),sources and license files not saved ($(2) packages not handled))
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endef
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define legal-manifest # pkg, version, license, license-files, source, {HOST|TARGET}
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echo '"$(1)","$(2)","$(3)","$(4)","$(5)"' >>$(LEGAL_MANIFEST_CSV_$(6))
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endef
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define legal-license-header # pkg, license-file, {HOST|TARGET}
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echo -e "$(LEGAL_INFO_SEPARATOR)\n\t$(1):" \
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"$(2)\n$(LEGAL_INFO_SEPARATOR)\n\n" >>$(LEGAL_LICENSES_TXT_$(3))
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endef
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define legal-license-nofiles # pkg, {HOST|TARGET}
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$(call legal-license-header,$(1),unknown license file(s),$(2))
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endef
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define legal-license-file # pkg, filename, file-fullpath, {HOST|TARGET}
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$(call legal-license-header,$(1),$(2) file,$(4)) && \
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cat $(3) >>$(LEGAL_LICENSES_TXT_$(4)) && \
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echo >>$(LEGAL_LICENSES_TXT_$(4)) && \
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mkdir -p $(LICENSE_FILES_DIR_$(4))/$(1)/$(dir $(2)) && \
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cp $(3) $(LICENSE_FILES_DIR_$(4))/$(1)/$(2)
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endef
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