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- ################################################################################
- #
- # This file contains various utility functions used by the package
- # infrastructure, or by the packages themselves.
- #
- ################################################################################
- #
- # Manipulation of .config files based on the Kconfig
- # infrastructure. Used by the BusyBox package, the Linux kernel
- # package, and more.
- #
- # KCONFIG_DOT_CONFIG ([file])
- # Returns the path to the .config file that should be used, which will
- # be $(1) if provided, or the current package .config file otherwise.
- KCONFIG_DOT_CONFIG = $(strip \
- $(if $(strip $(1)), $(1), \
- $($(PKG)_BUILDDIR)/$($(PKG)_KCONFIG_DOTCONFIG) \
- ) \
- )
- # KCONFIG_MUNGE_DOT_CONFIG (option, newline [, file])
- define KCONFIG_MUNGE_DOT_CONFIG
- $(SED) "/\\<$(strip $(1))\\>/d" $(call KCONFIG_DOT_CONFIG,$(3))
- echo '$(strip $(2))' >> $(call KCONFIG_DOT_CONFIG,$(3))
- endef
- # KCONFIG_ENABLE_OPT (option [, file])
- KCONFIG_ENABLE_OPT = $(call KCONFIG_MUNGE_DOT_CONFIG, $(1), $(1)=y, $(2))
- # KCONFIG_SET_OPT (option, value [, file])
- KCONFIG_SET_OPT = $(call KCONFIG_MUNGE_DOT_CONFIG, $(1), $(1)=$(2), $(3))
- # KCONFIG_DISABLE_OPT (option [, file])
- KCONFIG_DISABLE_OPT = $(call KCONFIG_MUNGE_DOT_CONFIG, $(1), $(SHARP_SIGN) $(1) is not set, $(2))
- # Helper functions to determine the name of a package and its
- # directory from its makefile directory, using the $(MAKEFILE_LIST)
- # variable provided by make. This is used by the *-package macros to
- # automagically find where the package is located.
- pkgdir = $(dir $(lastword $(MAKEFILE_LIST)))
- pkgname = $(lastword $(subst /, ,$(pkgdir)))
- # Define extractors for different archive suffixes
- INFLATE.bz2 = $(BZCAT)
- INFLATE.gz = $(ZCAT)
- INFLATE.lz = $(LZCAT)
- INFLATE.lzma = $(XZCAT)
- INFLATE.tbz = $(BZCAT)
- INFLATE.tbz2 = $(BZCAT)
- INFLATE.tgz = $(ZCAT)
- INFLATE.xz = $(XZCAT)
- INFLATE.tar = cat
- # suitable-extractor(filename): returns extractor based on suffix
- suitable-extractor = $(INFLATE$(suffix $(1)))
- EXTRACTOR_PKG_DEPENDENCY.lzma = $(BR2_XZCAT_HOST_DEPENDENCY)
- EXTRACTOR_PKG_DEPENDENCY.xz = $(BR2_XZCAT_HOST_DEPENDENCY)
- EXTRACTOR_PKG_DEPENDENCY.lz = $(BR2_LZIP_HOST_DEPENDENCY)
- # extractor-pkg-dependency(filename): returns a Buildroot package
- # dependency needed to extract file based on suffix
- extractor-pkg-dependency = $(EXTRACTOR_PKG_DEPENDENCY$(suffix $(1)))
- # extractor-system-dependency(filename): returns the name of the tool
- # needed to extract 'filename', and is meant to be used with
- # DL_TOOLS_DEPENDENCIES, in order to check that the necesary tool is
- # provided by the system Buildroot runs on.
- #
- # $(firstword) is used here because the extractor can have arguments,
- # like ZCAT="gzip -d -c", and to check for the dependency we only want
- # 'gzip'.
- extractor-system-dependency = $(if $(EXTRACTOR_PKG_DEPENDENCY$(suffix $(1))),,\
- $(firstword $(INFLATE$(suffix $(1)))))
- # check-deprecated-variable -- throw an error on deprecated variables
- # example:
- # $(eval $(call check-deprecated-variable,FOO_MAKE_OPT,FOO_MAKE_OPTS))
- define check-deprecated-variable # (deprecated var, new var)
- ifneq ($$(origin $(1)),undefined)
- $$(error Package error: use $(2) instead of $(1). Please fix your .mk file)
- endif
- endef
- # $(1): YES or NO
- define yesno-to-bool
- $(subst NO,false,$(subst YES,true,$(1)))
- endef
- # json-info -- return package or filesystem metadata formatted as an entry
- # of a JSON dictionnary
- # $(1): upper-case package or filesystem name
- define json-info
- "$($(1)_NAME)": {
- "type": "$($(1)_TYPE)",
- $(if $(filter rootfs,$($(1)_TYPE)), \
- $(call _json-info-fs,$(1)), \
- $(call _json-info-pkg,$(1)), \
- )
- }
- endef
- # _json-info-pkg, _json-info-pkg-details, _json-info-fs: private helpers
- # for json-info, above
- define _json-info-pkg
- $(if $($(1)_IS_VIRTUAL), \
- "virtual": true$(comma),
- "virtual": false$(comma)
- $(call _json-info-pkg-details,$(1)) \
- )
- "build_dir": "$(patsubst $(BASE_DIR)/%,%,$($(1)_BUILDDIR))",
- $(if $(filter target,$($(1)_TYPE)), \
- "install_target": $(call yesno-to-bool,$($(1)_INSTALL_TARGET))$(comma) \
- "install_staging": $(call yesno-to-bool,$($(1)_INSTALL_STAGING))$(comma) \
- "install_images": $(call yesno-to-bool,$($(1)_INSTALL_IMAGES))$(comma) \
- )
- "dependencies": [
- $(call make-comma-list,$(sort $($(1)_FINAL_ALL_DEPENDENCIES)))
- ],
- "reverse_dependencies": [
- $(call make-comma-list,$(sort $($(1)_RDEPENDENCIES)))
- ]
- $(if $($(1)_IGNORE_CVES),
- $(comma) "ignore_cves": [
- $(call make-comma-list,$(sort $($(1)_IGNORE_CVES)))
- ]
- )
- endef
- define _json-info-pkg-details
- "version": "$($(1)_DL_VERSION)",
- "licenses": "$($(1)_LICENSE)",
- "dl_dir": "$($(1)_DL_SUBDIR)",
- "downloads": [
- $(foreach dl,$(sort $($(1)_ALL_DOWNLOADS)),
- {
- "source": "$(notdir $(dl))",
- "uris": [
- $(call make-comma-list,
- $(subst \|,|,
- $(call DOWNLOAD_URIS,$(dl),$(1))
- )
- )
- ]
- },
- )
- ],
- endef
- define _json-info-fs
- "dependencies": [
- $(call make-comma-list,$(sort $($(1)_DEPENDENCIES)))
- ]
- endef
- # clean-json -- cleanup pseudo-json into clean json:
- # - remove commas before closing ] and }
- # - minify with $(strip)
- clean-json = $(strip \
- $(subst $(comma)},}, $(subst $(comma)$(space)},$(space)}, \
- $(subst $(comma)],], $(subst $(comma)$(space)],$(space)], \
- $(strip $(1)) \
- )))) \
- )
- ifeq ($(BR2_PER_PACKAGE_DIRECTORIES),y)
- # rsync the contents of per-package directories
- # $1: space-separated list of packages to rsync from
- # $2: 'host' or 'target'
- # $3: destination directory
- define per-package-rsync
- mkdir -p $(3)
- $(foreach pkg,$(1),\
- rsync -a --link-dest=$(PER_PACKAGE_DIR)/$(pkg)/$(2)/ \
- $(PER_PACKAGE_DIR)/$(pkg)/$(2)/ \
- $(3)$(sep))
- endef
- # prepares the per-package HOST_DIR and TARGET_DIR of the current
- # package, by rsync the host and target directories of the
- # dependencies of this package. The list of dependencies is passed as
- # argument, so that this function can be used to prepare with
- # different set of dependencies (download, extract, configure, etc.)
- #
- # $1: space-separated list of packages to rsync from
- define prepare-per-package-directory
- $(call per-package-rsync,$(1),host,$(HOST_DIR))
- $(call per-package-rsync,$(1),target,$(TARGET_DIR))
- endef
- endif
- #
- # legal-info helper functions
- #
- LEGAL_INFO_SEPARATOR = "::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::"
- define legal-warning # text
- echo "WARNING: $(1)" >>$(LEGAL_WARNINGS)
- endef
- define legal-warning-pkg # pkg, text
- echo "WARNING: $(1): $(2)" >>$(LEGAL_WARNINGS)
- endef
- define legal-warning-nosource # pkg, {local|override}
- $(call legal-warning-pkg,$(1),sources not saved ($(2) packages not handled))
- endef
- define legal-manifest # {HOST|TARGET}, pkg, version, license, license-files, source, url, dependencies
- echo '"$(2)","$(3)","$(4)","$(5)","$(6)","$(7)","$(8)"' >>$(LEGAL_MANIFEST_CSV_$(1))
- endef
- define legal-license-file # pkgname, pkgname-pkgver, pkg-hashfile, filename, file-fullpath, {HOST|TARGET}
- mkdir -p $(LICENSE_FILES_DIR_$(6))/$(2)/$(dir $(4)) && \
- { \
- support/download/check-hash $(3) $(5) $(4); \
- case $${?} in (0|3) ;; (*) exit 1;; esac; \
- } && \
- cp $(5) $(LICENSE_FILES_DIR_$(6))/$(2)/$(4)
- endef
- non-virtual-deps = $(foreach p,$(1),$(if $($(call UPPERCASE,$(p))_IS_VIRTUAL),,$(p)))
- # Returns the list of recursive dependencies and their licensing terms
- # for the package specified in parameter (in lowercase). If that
- # package is a target package, remove host packages from the list.
- legal-deps = \
- $(foreach p,\
- $(filter-out $(if $(1:host-%=),host-%),\
- $(call non-virtual-deps,\
- $($(call UPPERCASE,$(1))_FINAL_RECURSIVE_DEPENDENCIES))),$(p) [$($(call UPPERCASE,$(p))_LICENSE)])
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