ff506cdeb7
Given a .config with:
FOO="1234"
BAR="$(FOO)"
and then:
$(call KCONFIG_SET_OPT,FOO,azerty)
would yield a .config with just:
FOO="azerty"
because \<FOO\> would match the assignment to BAR.
Reported-by: Yann E. MORIN <yann.morin.1998@free.fr>
Signed-off-by: TIAN Yuanhao <tianyuanhao3@163.com>
Cc: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
278 lines
9.1 KiB
Makefile
278 lines
9.1 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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#
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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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# KCONFIG_DOT_CONFIG ([file])
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# Returns the path to the .config file that should be used, which will
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# be $(1) if provided, or the current package .config file otherwise.
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KCONFIG_DOT_CONFIG = $(strip \
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$(if $(strip $(1)), $(1), \
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$($(PKG)_BUILDDIR)/$($(PKG)_KCONFIG_DOTCONFIG) \
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) \
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)
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# KCONFIG_MUNGE_DOT_CONFIG (option, newline [, file])
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define KCONFIG_MUNGE_DOT_CONFIG
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$(SED) '/^\(# \)\?$(strip $(1))\>/d' $(call KCONFIG_DOT_CONFIG,$(3)) && \
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echo '$(strip $(2))' >> $(call KCONFIG_DOT_CONFIG,$(3))
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endef
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# KCONFIG_ENABLE_OPT (option [, file])
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# If the option is already set to =m or =y, ignore.
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define KCONFIG_ENABLE_OPT
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$(Q)if ! grep -q '^$(strip $(1))=[my]' $(call KCONFIG_DOT_CONFIG,$(2)); then \
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$(call KCONFIG_MUNGE_DOT_CONFIG, $(1), $(1)=y, $(2)); \
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fi
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endef
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# KCONFIG_SET_OPT (option, value [, file])
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KCONFIG_SET_OPT = $(call KCONFIG_MUNGE_DOT_CONFIG, $(1), $(1)=$(2), $(3))
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# KCONFIG_DISABLE_OPT (option [, file])
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KCONFIG_DISABLE_OPT = $(call KCONFIG_MUNGE_DOT_CONFIG, $(1), $(SHARP_SIGN) $(1) is not set, $(2))
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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 *-package 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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# Helper to build the extension for a package archive, based on various
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# conditions.
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# $(1): upper-case package name
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pkg_source_ext = $(BR_FMT_VERSION_$($(1)_SITE_METHOD)).tar.gz
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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.lz = $(LZCAT)
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INFLATE.lzma = $(XZCAT)
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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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EXTRACTOR_PKG_DEPENDENCY.lzma = $(BR2_XZCAT_HOST_DEPENDENCY)
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EXTRACTOR_PKG_DEPENDENCY.xz = $(BR2_XZCAT_HOST_DEPENDENCY)
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EXTRACTOR_PKG_DEPENDENCY.lz = $(BR2_LZIP_HOST_DEPENDENCY)
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# extractor-pkg-dependency(filename): returns a Buildroot package
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# dependency needed to extract file based on suffix
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extractor-pkg-dependency = $(EXTRACTOR_PKG_DEPENDENCY$(suffix $(1)))
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# extractor-system-dependency(filename): returns the name of the tool
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# needed to extract 'filename', and is meant to be used with
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# DL_TOOLS_DEPENDENCIES, in order to check that the necesary tool is
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# provided by the system Buildroot runs on.
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#
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# $(firstword) is used here because the extractor can have arguments,
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# like ZCAT="gzip -d -c", and to check for the dependency we only want
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# 'gzip'.
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extractor-system-dependency = $(if $(EXTRACTOR_PKG_DEPENDENCY$(suffix $(1))),,\
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$(firstword $(INFLATE$(suffix $(1)))))
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# check-deprecated-variable -- throw an error on deprecated variables
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# example:
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# $(eval $(call check-deprecated-variable,FOO_MAKE_OPT,FOO_MAKE_OPTS))
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define check-deprecated-variable # (deprecated var, new var)
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ifneq ($$(origin $(1)),undefined)
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$$(error Package error: use $(2) instead of $(1). Please fix your .mk file)
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endif
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endef
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# $(1): YES or NO
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define yesno-to-bool
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$(subst NO,false,$(subst YES,true,$(1)))
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endef
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# json-info -- return package or filesystem metadata formatted as an entry
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# of a JSON dictionnary
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# $(1): upper-case package or filesystem name
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define json-info
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"$($(1)_NAME)": {
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"type": $(call mk-json-str,$($(1)_TYPE)),
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$(if $(filter rootfs,$($(1)_TYPE)), \
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$(call _json-info-fs,$(1)), \
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$(call _json-info-pkg,$(1)), \
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)
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}
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endef
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# _json-info-pkg, _json-info-pkg-details, _json-info-fs: private helpers
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# for json-info, above
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define _json-info-pkg
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"name": $(call mk-json-str,$($(1)_RAWNAME)),
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$(if $($(1)_IS_VIRTUAL), \
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"virtual": true$(comma),
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"virtual": false$(comma)
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$(call _json-info-pkg-details,$(1)) \
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)
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"stamp_dir": $(call mk-json-str,$(patsubst $(CONFIG_DIR)/%,%,$($(1)_DIR))),
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"source_dir": $(call mk-json-str,$(patsubst $(CONFIG_DIR)/%,%,$($(1)_DIR))),
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"build_dir": $(call mk-json-str,$(patsubst $(CONFIG_DIR)/%,%,$($(1)_BUILDDIR))),
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$(if $(filter target,$($(1)_TYPE)), \
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"install_target": $(call yesno-to-bool,$($(1)_INSTALL_TARGET))$(comma) \
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"install_staging": $(call yesno-to-bool,$($(1)_INSTALL_STAGING))$(comma) \
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"install_images": $(call yesno-to-bool,$($(1)_INSTALL_IMAGES))$(comma) \
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)
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"dependencies": [
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$(call make-comma-list, \
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$(foreach dep,$(sort $($(1)_FINAL_ALL_DEPENDENCIES)), \
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$(call mk-json-str,$(dep)) \
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) \
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)
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],
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"reverse_dependencies": [
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$(call make-comma-list, \
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$(foreach dep,$(sort $($(1)_RDEPENDENCIES)), \
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$(call mk-json-str,$(dep)) \
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) \
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)
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]
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$(if $($(1)_CPE_ID_VALID), \
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$(comma) "cpe-id": $(call mk-json-str,$($(1)_CPE_ID)) \
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)
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$(if $($(1)_IGNORE_CVES),
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$(comma) "ignore_cves": [
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$(call make-comma-list, \
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$(foreach cve,$(sort $($(1)_IGNORE_CVES)), \
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$(call mk-json-str,$(cve)) \
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) \
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)
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]
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)
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endef
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define _json-info-pkg-details
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"version": $(call mk-json-str,$($(1)_DL_VERSION)),
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"licenses": $(call mk-json-str,$($(1)_LICENSE)),
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"dl_dir": $(call mk-json-str,$($(1)_DL_SUBDIR)),
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"downloads": [
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$(foreach dl,$(sort $($(1)_ALL_DOWNLOADS)),
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{
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"source": $(call mk-json-str,$(notdir $(dl))),
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"uris": [
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$(call make-comma-list, \
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$(foreach uri,$(call DOWNLOAD_URIS,$(dl),$(1)), \
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$(call mk-json-str,$(subst \|,|,$(uri))) \
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) \
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)
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]
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},
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)
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],
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endef
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define _json-info-fs
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"image_name": $(if $($(1)_FINAL_IMAGE_NAME), \
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$(call mk-json-str,$($(1)_FINAL_IMAGE_NAME)), \
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null \
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),
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"dependencies": [
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$(call make-comma-list, \
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$(foreach dep,$(sort $($(1)_DEPENDENCIES)), \
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$(call mk-json-str,$(dep)) \
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) \
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)
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]
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endef
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# clean-json -- cleanup pseudo-json into clean json:
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# - remove commas before closing ] and }
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# - minify with $(strip)
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clean-json = $(strip \
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$(subst $(comma)},}, $(subst $(comma)$(space)},$(space)}, \
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$(subst $(comma)],], $(subst $(comma)$(space)],$(space)], \
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$(strip $(1)) \
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)))) \
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)
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# mk-json-str -- escape and double-quote a string to make it a valid json string
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# - escape \
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# - escape "
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# - escape \n
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# - escape \t
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# - escape ESC
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# - escape SPACE (so that we can $(strip) a JSON blurb without squashing multiple spaces)
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# This unfortunately has to be on a single line...
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mk-json-str = "$(subst $(space),\u0020,$(subst $(escape),\u001b,$(subst $(tab),\t,$(subst $(sep),\n,$(subst ",\",$(subst \,\\,$(1)))))))"
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# )))))" # Syntax colouring
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ifeq ($(BR2_PER_PACKAGE_DIRECTORIES),y)
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# rsync the contents of per-package directories
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# $1: space-separated list of packages to rsync from
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# $2: 'host' or 'target'
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# $3: destination directory
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define per-package-rsync
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mkdir -p $(3)
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$(foreach pkg,$(1),\
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rsync -a --link-dest=$(PER_PACKAGE_DIR)/$(pkg)/$(2)/ \
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$(PER_PACKAGE_DIR)/$(pkg)/$(2)/ \
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$(3)$(sep))
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endef
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# prepares the per-package HOST_DIR and TARGET_DIR of the current
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# package, by rsync the host and target directories of the
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# dependencies of this package. The list of dependencies is passed as
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# argument, so that this function can be used to prepare with
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# different set of dependencies (download, extract, configure, etc.)
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#
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# $1: space-separated list of packages to rsync from
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define prepare-per-package-directory
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$(call per-package-rsync,$(1),host,$(HOST_DIR))
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$(call per-package-rsync,$(1),target,$(TARGET_DIR))
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endef
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endif
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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-nosource # pkg, {local|override}
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$(call legal-warning-pkg,$(1),sources not saved ($(2) packages not handled))
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endef
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define legal-manifest # {HOST|TARGET}, pkg, version, license, license-files, source, url, dependencies
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echo '"$(2)","$(3)","$(4)","$(5)","$(6)","$(7)","$(8)"' >>$(LEGAL_MANIFEST_CSV_$(1))
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endef
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define legal-license-file # pkgname, pkgname-pkgver, pkg-hashfile, filename, file-fullpath, {HOST|TARGET}
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mkdir -p $(LICENSE_FILES_DIR_$(6))/$(2)/$(dir $(4)) && \
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{ \
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support/download/check-hash $(3) $(5) $(4); \
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case $${?} in (0|3) ;; (*) exit 1;; esac; \
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} && \
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cp $(5) $(LICENSE_FILES_DIR_$(6))/$(2)/$(4)
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endef
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non-virtual-deps = $(foreach p,$(1),$(if $($(call UPPERCASE,$(p))_IS_VIRTUAL),,$(p)))
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# Returns the list of recursive dependencies and their licensing terms
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# for the package specified in parameter (in lowercase). If that
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# package is a target package, remove host packages from the list.
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legal-deps = \
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$(foreach p,\
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$(filter-out $(if $(1:host-%=),host-%),\
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$(call non-virtual-deps,\
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$($(call UPPERCASE,$(1))_FINAL_RECURSIVE_DEPENDENCIES))),$(p) [$($(call UPPERCASE,$(p))_LICENSE)])
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