import-layers/yocto-poky/meta/classes/utils.bbclass - openbmc/openbmc - Gitiles

 # For compatibility
 def base_path_join(a, *p):
     return oe.path.join(a, *p)

 def base_path_relative(src, dest):
     return oe.path.relative(src, dest)

 def base_path_out(path, d):
     return oe.path.format_display(path, d)

 def base_read_file(filename):
     return oe.utils.read_file(filename)

 def base_ifelse(condition, iftrue = True, iffalse = False):
     return oe.utils.ifelse(condition, iftrue, iffalse)

 def base_conditional(variable, checkvalue, truevalue, falsevalue, d):
     return oe.utils.conditional(variable, checkvalue, truevalue, falsevalue, d)

 def base_less_or_equal(variable, checkvalue, truevalue, falsevalue, d):
     return oe.utils.less_or_equal(variable, checkvalue, truevalue, falsevalue, d)

 def base_version_less_or_equal(variable, checkvalue, truevalue, falsevalue, d):
     return oe.utils.version_less_or_equal(variable, checkvalue, truevalue, falsevalue, d)

 def base_contains(variable, checkvalues, truevalue, falsevalue, d):
     bb.note('base_contains is deprecated, please use bb.utils.contains instead.')
     return bb.utils.contains(variable, checkvalues, truevalue, falsevalue, d)

 def base_both_contain(variable1, variable2, checkvalue, d):
     return oe.utils.both_contain(variable1, variable2, checkvalue, d)

 def base_prune_suffix(var, suffixes, d):
     return oe.utils.prune_suffix(var, suffixes, d)

 def oe_filter(f, str, d):
     return oe.utils.str_filter(f, str, d)

 def oe_filter_out(f, str, d):
     return oe.utils.str_filter_out(f, str, d)

 def machine_paths(d):
     """List any existing machine specific filespath directories"""
     machine = d.getVar("MACHINE", True)
     filespathpkg = d.getVar("FILESPATHPKG", True).split(":")
     for basepath in d.getVar("FILESPATHBASE", True).split(":"):
         for pkgpath in filespathpkg:
             machinepath = os.path.join(basepath, pkgpath, machine)
             if os.path.isdir(machinepath):
                 yield machinepath

 def is_machine_specific(d):
     """Determine whether the current recipe is machine specific"""
     machinepaths = set(machine_paths(d))
     srcuri = d.getVar("SRC_URI", True).split()
     for url in srcuri:
         fetcher = bb.fetch2.Fetch([srcuri], d)
         if url.startswith("file://"):
             if any(fetcher.localpath(url).startswith(mp + "/") for mp in machinepaths):
                 return True

 oe_soinstall() {
 	# Purpose: Install shared library file and
 	#          create the necessary links
 	# Example: oe_soinstall libfoo.so.1.2.3 ${D}${libdir}
 	libname=`basename $1`
 	case "$libname" in
 	    *.so)
 	        bbfatal "oe_soinstall: Shared library must haved versioned filename (e.g. libfoo.so.1.2.3)"
 	        ;;
 	esac
 	install -m 755 $1 $2/$libname
 	sonamelink=`${HOST_PREFIX}readelf -d $1 |grep 'Library soname:' |sed -e 's/.*\[\(.*\)\].*/\1/'`
 	if [ -z $sonamelink ]; then
 		bbfatal "oe_soinstall: $libname is missing ELF tag 'SONAME'."
 	fi
 	solink=`echo $libname | sed -e 's/\.so\..*/.so/'`
 	ln -sf $libname $2/$sonamelink
 	ln -sf $libname $2/$solink
 }

 oe_libinstall() {
 	# Purpose: Install a library, in all its forms
 	# Example
 	#
 	# oe_libinstall libltdl ${STAGING_LIBDIR}/
 	# oe_libinstall -C src/libblah libblah ${D}/${libdir}/
 	dir=""
 	libtool=""
 	silent=""
 	require_static=""
 	require_shared=""
 	staging_install=""
 	while [ "$#" -gt 0 ]; do
 		case "$1" in
 		-C)
 			shift
 			dir="$1"
 			;;
 		-s)
 			silent=1
 			;;
 		-a)
 			require_static=1
 			;;
 		-so)
 			require_shared=1
 			;;
 		-*)
 			bbfatal "oe_libinstall: unknown option: $1"
 			;;
 		*)
 			break;
 			;;
 		esac
 		shift
 	done

 	libname="$1"
 	shift
 	destpath="$1"
 	if [ -z "$destpath" ]; then
 		bbfatal "oe_libinstall: no destination path specified"
 	fi
 	if echo "$destpath/" | egrep '^${STAGING_LIBDIR}/' >/dev/null
 	then
 		staging_install=1
 	fi

 	__runcmd () {
 		if [ -z "$silent" ]; then
 			echo >&2 "oe_libinstall: $*"
 		fi
 		$*
 	}

 	if [ -z "$dir" ]; then
 		dir=`pwd`
 	fi

 	dotlai=$libname.lai

 	# Sanity check that the libname.lai is unique
 	number_of_files=`(cd $dir; find . -name "$dotlai") | wc -l`
 	if [ $number_of_files -gt 1 ]; then
 		bbfatal "oe_libinstall: $dotlai is not unique in $dir"
 	fi


 	dir=$dir`(cd $dir;find . -name "$dotlai") | sed "s/^\.//;s/\/$dotlai\$//;q"`
 	olddir=`pwd`
 	__runcmd cd $dir

 	lafile=$libname.la

 	# If such file doesn't exist, try to cut version suffix
 	if [ ! -f "$lafile" ]; then
 		libname1=`echo "$libname" | sed 's/-[0-9.]*$//'`
 		lafile1=$libname.la
 		if [ -f "$lafile1" ]; then
 			libname=$libname1
 			lafile=$lafile1
 		fi
 	fi

 	if [ -f "$lafile" ]; then
 		# libtool archive
 		eval `cat $lafile|grep "^library_names="`
 		libtool=1
 	else
 		library_names="$libname.so* $libname.dll.a $libname.*.dylib"
 	fi

 	__runcmd install -d $destpath/
 	dota=$libname.a
 	if [ -f "$dota" -o -n "$require_static" ]; then
 		rm -f $destpath/$dota
 		__runcmd install -m 0644 $dota $destpath/
 	fi
 	if [ -f "$dotlai" -a -n "$libtool" ]; then
 		rm -f $destpath/$libname.la
 		__runcmd install -m 0644 $dotlai $destpath/$libname.la
 	fi

 	for name in $library_names; do
 		files=`eval echo $name`
 		for f in $files; do
 			if [ ! -e "$f" ]; then
 				if [ -n "$libtool" ]; then
 					bbfatal "oe_libinstall: $dir/$f not found."
 				fi
 			elif [ -L "$f" ]; then
 				__runcmd cp -P "$f" $destpath/
 			elif [ ! -L "$f" ]; then
 				libfile="$f"
 				rm -f $destpath/$libfile
 				__runcmd install -m 0755 $libfile $destpath/
 			fi
 		done
 	done

 	if [ -z "$libfile" ]; then
 		if  [ -n "$require_shared" ]; then
 			bbfatal "oe_libinstall: unable to locate shared library"
 		fi
 	elif [ -z "$libtool" ]; then
 		# special case hack for non-libtool .so.#.#.# links
 		baselibfile=`basename "$libfile"`
 		if (echo $baselibfile | grep -qE '^lib.*\.so\.[0-9.]*$'); then
 			sonamelink=`${HOST_PREFIX}readelf -d $libfile |grep 'Library soname:' |sed -e 's/.*\[\(.*\)\].*/\1/'`
 			solink=`echo $baselibfile | sed -e 's/\.so\..*/.so/'`
 			if [ -n "$sonamelink" -a x"$baselibfile" != x"$sonamelink" ]; then
 				__runcmd ln -sf $baselibfile $destpath/$sonamelink
 			fi
 			__runcmd ln -sf $baselibfile $destpath/$solink
 		fi
 	fi

 	__runcmd cd "$olddir"
 }

 oe_machinstall() {
 	# Purpose: Install machine dependent files, if available
 	#          If not available, check if there is a default
 	#          If no default, just touch the destination
 	# Example:
 	#                $1  $2   $3         $4
 	# oe_machinstall -m 0644 fstab ${D}/etc/fstab
 	#
 	# TODO: Check argument number?
 	#
 	filename=`basename $3`
 	dirname=`dirname $3`

 	for o in `echo ${OVERRIDES} | tr ':' ' '`; do
 		if [ -e $dirname/$o/$filename ]; then
 			bbnote $dirname/$o/$filename present, installing to $4
 			install $1 $2 $dirname/$o/$filename $4
 			return
 		fi
 	done
 #	bbnote overrides specific file NOT present, trying default=$3...
 	if [ -e $3 ]; then
 		bbnote $3 present, installing to $4
 		install $1 $2 $3 $4
 	else
 		bbnote $3 NOT present, touching empty $4
 		touch $4
 	fi
 }

 create_cmdline_wrapper () {
 	# Create a wrapper script where commandline options are needed
 	#
 	# These are useful to work around relocation issues, by passing extra options
 	# to a program
 	#
 	# Usage: create_cmdline_wrapper FILENAME <extra-options>

 	cmd=$1
 	shift

 	echo "Generating wrapper script for $cmd"

 	mv $cmd $cmd.real
 	cmdname=`basename $cmd`
 	cat <<END >$cmd
 #!/bin/bash
 realpath=\`readlink -fn \$0\`
 exec -a \`dirname \$realpath\`/$cmdname \`dirname \$realpath\`/$cmdname.real $@ "\$@"
 END
 	chmod +x $cmd
 }

 create_wrapper () {
 	# Create a wrapper script where extra environment variables are needed
 	#
 	# These are useful to work around relocation issues, by setting environment
 	# variables which point to paths in the filesystem.
 	#
 	# Usage: create_wrapper FILENAME [[VAR=VALUE]..]

 	cmd=$1
 	shift

 	echo "Generating wrapper script for $cmd"

 	mv $cmd $cmd.real
 	cmdname=`basename $cmd`
 	cat <<END >$cmd
 #!/bin/bash
 realpath=\`readlink -fn \$0\`
 export $@
 exec -a \`dirname \$realpath\`/$cmdname \`dirname \$realpath\`/$cmdname.real "\$@"
 END
 	chmod +x $cmd
 }

 # Copy files/directories from $1 to $2 but using hardlinks
 # (preserve symlinks)
 hardlinkdir () {
 	from=$1
 	to=$2
 	(cd $from; find . -print0 | cpio --null -pdlu $to)
 }


 def check_app_exists(app, d):
     app = d.expand(app).strip()
     path = d.getVar('PATH', d, True)
     return bool(bb.utils.which(path, app))

 def explode_deps(s):
     return bb.utils.explode_deps(s)

 def base_set_filespath(path, d):
     filespath = []
     extrapaths = (d.getVar("FILESEXTRAPATHS", True) or "")
     # Remove default flag which was used for checking
     extrapaths = extrapaths.replace("__default:", "")
     # Don't prepend empty strings to the path list
     if extrapaths != "":
         path = extrapaths.split(":") + path
     # The ":" ensures we have an 'empty' override
     overrides = (":" + (d.getVar("FILESOVERRIDES", True) or "")).split(":")
     overrides.reverse()
     for o in overrides:
         for p in path:
             if p != "":
                 filespath.append(os.path.join(p, o))
     return ":".join(filespath)

 def extend_variants(d, var, extend, delim=':'):
     """Return a string of all bb class extend variants for the given extend"""
     variants = []
     whole = d.getVar(var, True) or ""
     for ext in whole.split():
         eext = ext.split(delim)
         if len(eext) > 1 and eext[0] == extend:
             variants.append(eext[1])
     return " ".join(variants)

 def multilib_pkg_extend(d, pkg):
     variants = (d.getVar("MULTILIB_VARIANTS", True) or "").split()
     if not variants:
         return pkg
     pkgs = pkg
     for v in variants:
         pkgs = pkgs + " " + v + "-" + pkg
     return pkgs

 def all_multilib_tune_values(d, var, unique = True, need_split = True, delim = ' '):
     """Return a string of all ${var} in all multilib tune configuration"""
     values = []
     value = d.getVar(var, True) or ""
     if value != "":
         if need_split:
             for item in value.split(delim):
                 values.append(item)
         else:
             values.append(value)
     variants = d.getVar("MULTILIB_VARIANTS", True) or ""
     for item in variants.split():
         localdata = bb.data.createCopy(d)
         overrides = localdata.getVar("OVERRIDES", False) + ":virtclass-multilib-" + item
         localdata.setVar("OVERRIDES", overrides)
         localdata.setVar("MLPREFIX", item + "-")
         bb.data.update_data(localdata)
         value = localdata.getVar(var, True) or ""
         if value != "":
             if need_split:
                 for item in value.split(delim):
                     values.append(item)
             else:
                 values.append(value)
     if unique:
         #we do this to keep order as much as possible
         ret = []
         for value in values:
             if not value in ret:
                 ret.append(value)
     else:
         ret = values
     return " ".join(ret)

 def all_multilib_tune_list(vars, d):
     """
     Return a list of ${VAR} for each variable VAR in vars from each
     multilib tune configuration.
     Is safe to be called from a multilib recipe/context as it can
     figure out the original tune and remove the multilib overrides.
     """
     values = {}
     for v in vars:
         values[v] = []

     localdata = bb.data.createCopy(d)
     overrides = localdata.getVar("OVERRIDES", False).split(":")
     newoverrides = []
     for o in overrides:
         if not o.startswith("virtclass-multilib-"):
             newoverrides.append(o)
     localdata.setVar("OVERRIDES", ":".join(newoverrides))
     localdata.setVar("MLPREFIX", "")
     origdefault = localdata.getVar("DEFAULTTUNE_MULTILIB_ORIGINAL", True)
     if origdefault:
         localdata.setVar("DEFAULTTUNE", origdefault)
     bb.data.update_data(localdata)
     values['ml'] = ['']
     for v in vars:
         values[v].append(localdata.getVar(v, True))
     variants = d.getVar("MULTILIB_VARIANTS", True) or ""
     for item in variants.split():
         localdata = bb.data.createCopy(d)
         overrides = localdata.getVar("OVERRIDES", False) + ":virtclass-multilib-" + item
         localdata.setVar("OVERRIDES", overrides)
         localdata.setVar("MLPREFIX", item + "-")
         bb.data.update_data(localdata)
         values[v].append(localdata.getVar(v, True))
         values['ml'].append(item)
     return values

 # If the user hasn't set up their name/email, set some defaults
 check_git_config() {
 	if ! git config user.email > /dev/null ; then
 		git config --local user.email "${PATCH_GIT_USER_EMAIL}"
 	fi
 	if ! git config user.name > /dev/null ; then
 		git config --local user.name "${PATCH_GIT_USER_NAME}"
 	fi
 }
	# For compatibility
	def base_path_join(a, *p):
	return oe.path.join(a, *p)

	def base_path_relative(src, dest):
	return oe.path.relative(src, dest)

	def base_path_out(path, d):
	return oe.path.format_display(path, d)

	def base_read_file(filename):
	return oe.utils.read_file(filename)

	def base_ifelse(condition, iftrue = True, iffalse = False):
	return oe.utils.ifelse(condition, iftrue, iffalse)

	def base_conditional(variable, checkvalue, truevalue, falsevalue, d):
	return oe.utils.conditional(variable, checkvalue, truevalue, falsevalue, d)

	def base_less_or_equal(variable, checkvalue, truevalue, falsevalue, d):
	return oe.utils.less_or_equal(variable, checkvalue, truevalue, falsevalue, d)

	def base_version_less_or_equal(variable, checkvalue, truevalue, falsevalue, d):
	return oe.utils.version_less_or_equal(variable, checkvalue, truevalue, falsevalue, d)

	def base_contains(variable, checkvalues, truevalue, falsevalue, d):
	bb.note('base_contains is deprecated, please use bb.utils.contains instead.')
	return bb.utils.contains(variable, checkvalues, truevalue, falsevalue, d)

	def base_both_contain(variable1, variable2, checkvalue, d):
	return oe.utils.both_contain(variable1, variable2, checkvalue, d)

	def base_prune_suffix(var, suffixes, d):
	return oe.utils.prune_suffix(var, suffixes, d)

	def oe_filter(f, str, d):
	return oe.utils.str_filter(f, str, d)

	def oe_filter_out(f, str, d):
	return oe.utils.str_filter_out(f, str, d)

	def machine_paths(d):
	"""List any existing machine specific filespath directories"""
	machine = d.getVar("MACHINE", True)
	filespathpkg = d.getVar("FILESPATHPKG", True).split(":")
	for basepath in d.getVar("FILESPATHBASE", True).split(":"):
	for pkgpath in filespathpkg:
	machinepath = os.path.join(basepath, pkgpath, machine)
	if os.path.isdir(machinepath):
	yield machinepath

	def is_machine_specific(d):
	"""Determine whether the current recipe is machine specific"""
	machinepaths = set(machine_paths(d))
	srcuri = d.getVar("SRC_URI", True).split()
	for url in srcuri:
	fetcher = bb.fetch2.Fetch([srcuri], d)
	if url.startswith("file://"):
	if any(fetcher.localpath(url).startswith(mp + "/") for mp in machinepaths):
	return True

	oe_soinstall() {
	# Purpose: Install shared library file and
	# create the necessary links
	# Example: oe_soinstall libfoo.so.1.2.3 ${D}${libdir}
	libname=`basename $1`
	case "$libname" in
	*.so)
	bbfatal "oe_soinstall: Shared library must haved versioned filename (e.g. libfoo.so.1.2.3)"
	;;
	esac
	install -m 755 $1 $2/$libname
	sonamelink=`${HOST_PREFIX}readelf -d $1 \|grep 'Library soname:' \|sed -e 's/.\[\(.\)\].*/\1/'`
	if [ -z $sonamelink ]; then
	bbfatal "oe_soinstall: $libname is missing ELF tag 'SONAME'."
	fi
	solink=`echo $libname \| sed -e 's/\.so\..*/.so/'`
	ln -sf $libname $2/$sonamelink
	ln -sf $libname $2/$solink
	}

	oe_libinstall() {
	# Purpose: Install a library, in all its forms
	# Example
	#
	# oe_libinstall libltdl ${STAGING_LIBDIR}/
	# oe_libinstall -C src/libblah libblah ${D}/${libdir}/
	dir=""
	libtool=""
	silent=""
	require_static=""
	require_shared=""
	staging_install=""
	while [ "$#" -gt 0 ]; do
	case "$1" in
	-C)
	shift
	dir="$1"
	;;
	-s)
	silent=1
	;;
	-a)
	require_static=1
	;;
	-so)
	require_shared=1
	;;
	-*)
	bbfatal "oe_libinstall: unknown option: $1"
	;;
	*)
	break;
	;;
	esac
	shift
	done

	libname="$1"
	shift
	destpath="$1"
	if [ -z "$destpath" ]; then
	bbfatal "oe_libinstall: no destination path specified"
	fi
	if echo "$destpath/" \| egrep '^${STAGING_LIBDIR}/' >/dev/null
	then
	staging_install=1
	fi

	__runcmd () {
	if [ -z "$silent" ]; then
	echo >&2 "oe_libinstall: $*"
	fi
	$*
	}

	if [ -z "$dir" ]; then
	dir=`pwd`
	fi

	dotlai=$libname.lai

	# Sanity check that the libname.lai is unique
	number_of_files=`(cd $dir; find . -name "$dotlai") \| wc -l`
	if [ $number_of_files -gt 1 ]; then
	bbfatal "oe_libinstall: $dotlai is not unique in $dir"
	fi


	dir=$dir`(cd $dir;find . -name "$dotlai") \| sed "s/^\.//;s/\/$dotlai\$//;q"`
	olddir=`pwd`
	__runcmd cd $dir

	lafile=$libname.la

	# If such file doesn't exist, try to cut version suffix
	if [ ! -f "$lafile" ]; then
	libname1=`echo "$libname" \| sed 's/-[0-9.]*$//'`
	lafile1=$libname.la
	if [ -f "$lafile1" ]; then
	libname=$libname1
	lafile=$lafile1
	fi
	fi

	if [ -f "$lafile" ]; then
	# libtool archive
	eval `cat $lafile\|grep "^library_names="`
	libtool=1
	else
	library_names="$libname.so* $libname.dll.a $libname.*.dylib"
	fi

	__runcmd install -d $destpath/
	dota=$libname.a
	if [ -f "$dota" -o -n "$require_static" ]; then
	rm -f $destpath/$dota
	__runcmd install -m 0644 $dota $destpath/
	fi
	if [ -f "$dotlai" -a -n "$libtool" ]; then
	rm -f $destpath/$libname.la
	__runcmd install -m 0644 $dotlai $destpath/$libname.la
	fi

	for name in $library_names; do
	files=`eval echo $name`
	for f in $files; do
	if [ ! -e "$f" ]; then
	if [ -n "$libtool" ]; then
	bbfatal "oe_libinstall: $dir/$f not found."
	fi
	elif [ -L "$f" ]; then
	__runcmd cp -P "$f" $destpath/
	elif [ ! -L "$f" ]; then
	libfile="$f"
	rm -f $destpath/$libfile
	__runcmd install -m 0755 $libfile $destpath/
	fi
	done
	done

	if [ -z "$libfile" ]; then
	if [ -n "$require_shared" ]; then
	bbfatal "oe_libinstall: unable to locate shared library"
	fi
	elif [ -z "$libtool" ]; then
	# special case hack for non-libtool .so.#.#.# links
	baselibfile=`basename "$libfile"`
	if (echo $baselibfile \| grep -qE '^lib.\.so\.[0-9.]$'); then
	sonamelink=`${HOST_PREFIX}readelf -d $libfile \|grep 'Library soname:' \|sed -e 's/.\[\(.\)\].*/\1/'`
	solink=`echo $baselibfile \| sed -e 's/\.so\..*/.so/'`
	if [ -n "$sonamelink" -a x"$baselibfile" != x"$sonamelink" ]; then
	__runcmd ln -sf $baselibfile $destpath/$sonamelink
	fi
	__runcmd ln -sf $baselibfile $destpath/$solink
	fi
	fi

	__runcmd cd "$olddir"
	}

	oe_machinstall() {
	# Purpose: Install machine dependent files, if available
	# If not available, check if there is a default
	# If no default, just touch the destination
	# Example:
	# $1 $2 $3 $4
	# oe_machinstall -m 0644 fstab ${D}/etc/fstab
	#
	# TODO: Check argument number?
	#
	filename=`basename $3`
	dirname=`dirname $3`

	for o in `echo ${OVERRIDES} \| tr ':' ' '`; do
	if [ -e $dirname/$o/$filename ]; then
	bbnote $dirname/$o/$filename present, installing to $4
	install $1 $2 $dirname/$o/$filename $4
	return
	fi
	done
	# bbnote overrides specific file NOT present, trying default=$3...
	if [ -e $3 ]; then
	bbnote $3 present, installing to $4
	install $1 $2 $3 $4
	else
	bbnote $3 NOT present, touching empty $4
	touch $4
	fi
	}

	create_cmdline_wrapper () {
	# Create a wrapper script where commandline options are needed
	#
	# These are useful to work around relocation issues, by passing extra options
	# to a program
	#
	# Usage: create_cmdline_wrapper FILENAME <extra-options>

	cmd=$1
	shift

	echo "Generating wrapper script for $cmd"

	mv $cmd $cmd.real
	cmdname=`basename $cmd`
	cat <<END >$cmd
	#!/bin/bash
	realpath=\`readlink -fn \$0\`
	exec -a \`dirname \$realpath\`/$cmdname \`dirname \$realpath\`/$cmdname.real $@ "\$@"
	END
	chmod +x $cmd
	}

	create_wrapper () {
	# Create a wrapper script where extra environment variables are needed
	#
	# These are useful to work around relocation issues, by setting environment
	# variables which point to paths in the filesystem.
	#
	# Usage: create_wrapper FILENAME [[VAR=VALUE]..]

	cmd=$1
	shift

	echo "Generating wrapper script for $cmd"

	mv $cmd $cmd.real
	cmdname=`basename $cmd`
	cat <<END >$cmd
	#!/bin/bash
	realpath=\`readlink -fn \$0\`
	export $@
	exec -a \`dirname \$realpath\`/$cmdname \`dirname \$realpath\`/$cmdname.real "\$@"
	END
	chmod +x $cmd
	}

	# Copy files/directories from $1 to $2 but using hardlinks
	# (preserve symlinks)
	hardlinkdir () {
	from=$1
	to=$2
	(cd $from; find . -print0 \| cpio --null -pdlu $to)
	}


	def check_app_exists(app, d):
	app = d.expand(app).strip()
	path = d.getVar('PATH', d, True)
	return bool(bb.utils.which(path, app))

	def explode_deps(s):
	return bb.utils.explode_deps(s)

	def base_set_filespath(path, d):
	filespath = []
	extrapaths = (d.getVar("FILESEXTRAPATHS", True) or "")
	# Remove default flag which was used for checking
	extrapaths = extrapaths.replace("__default:", "")
	# Don't prepend empty strings to the path list
	if extrapaths != "":
	path = extrapaths.split(":") + path
	# The ":" ensures we have an 'empty' override
	overrides = (":" + (d.getVar("FILESOVERRIDES", True) or "")).split(":")
	overrides.reverse()
	for o in overrides:
	for p in path:
	if p != "":
	filespath.append(os.path.join(p, o))
	return ":".join(filespath)

	def extend_variants(d, var, extend, delim=':'):
	"""Return a string of all bb class extend variants for the given extend"""
	variants = []
	whole = d.getVar(var, True) or ""
	for ext in whole.split():
	eext = ext.split(delim)
	if len(eext) > 1 and eext[0] == extend:
	variants.append(eext[1])
	return " ".join(variants)

	def multilib_pkg_extend(d, pkg):
	variants = (d.getVar("MULTILIB_VARIANTS", True) or "").split()
	if not variants:
	return pkg
	pkgs = pkg
	for v in variants:
	pkgs = pkgs + " " + v + "-" + pkg
	return pkgs

	def all_multilib_tune_values(d, var, unique = True, need_split = True, delim = ' '):
	"""Return a string of all ${var} in all multilib tune configuration"""
	values = []
	value = d.getVar(var, True) or ""
	if value != "":
	if need_split:
	for item in value.split(delim):
	values.append(item)
	else:
	values.append(value)
	variants = d.getVar("MULTILIB_VARIANTS", True) or ""
	for item in variants.split():
	localdata = bb.data.createCopy(d)
	overrides = localdata.getVar("OVERRIDES", False) + ":virtclass-multilib-" + item
	localdata.setVar("OVERRIDES", overrides)
	localdata.setVar("MLPREFIX", item + "-")
	bb.data.update_data(localdata)
	value = localdata.getVar(var, True) or ""
	if value != "":
	if need_split:
	for item in value.split(delim):
	values.append(item)
	else:
	values.append(value)
	if unique:
	#we do this to keep order as much as possible
	ret = []
	for value in values:
	if not value in ret:
	ret.append(value)
	else:
	ret = values
	return " ".join(ret)

	def all_multilib_tune_list(vars, d):
	"""
	Return a list of ${VAR} for each variable VAR in vars from each
	multilib tune configuration.
	Is safe to be called from a multilib recipe/context as it can
	figure out the original tune and remove the multilib overrides.
	"""
	values = {}
	for v in vars:
	values[v] = []

	localdata = bb.data.createCopy(d)
	overrides = localdata.getVar("OVERRIDES", False).split(":")
	newoverrides = []
	for o in overrides:
	if not o.startswith("virtclass-multilib-"):
	newoverrides.append(o)
	localdata.setVar("OVERRIDES", ":".join(newoverrides))
	localdata.setVar("MLPREFIX", "")
	origdefault = localdata.getVar("DEFAULTTUNE_MULTILIB_ORIGINAL", True)
	if origdefault:
	localdata.setVar("DEFAULTTUNE", origdefault)
	bb.data.update_data(localdata)
	values['ml'] = ['']
	for v in vars:
	values[v].append(localdata.getVar(v, True))
	variants = d.getVar("MULTILIB_VARIANTS", True) or ""
	for item in variants.split():
	localdata = bb.data.createCopy(d)
	overrides = localdata.getVar("OVERRIDES", False) + ":virtclass-multilib-" + item
	localdata.setVar("OVERRIDES", overrides)
	localdata.setVar("MLPREFIX", item + "-")
	bb.data.update_data(localdata)
	values[v].append(localdata.getVar(v, True))
	values['ml'].append(item)
	return values

	# If the user hasn't set up their name/email, set some defaults
	check_git_config() {
	if ! git config user.email > /dev/null ; then
	git config --local user.email "${PATCH_GIT_USER_EMAIL}"
	fi
	if ! git config user.name > /dev/null ; then
	git config --local user.name "${PATCH_GIT_USER_NAME}"
	fi
	}