poky/meta/recipes-devtools/icecc-create-env/icecc-create-env/icecc-create-env - mdmillerii/openbmc - Gitiles

 #! /usr/bin/env bash
 # icecc -- A simple distributed compiler system
 #
 # Copyright (C) 2004 by the Icecream Authors
 # GPL

 target_paths=
 target_aliases=

 # Always prints, optionally to a log file
 print_output ()
 {
     if test -n "$log_path"; then
         echo "$@" | tee -a "$log_path"
     else
         echo "$@"
     fi
 }

 # Only prints if the debug flag is specified
 print_debug ()
 {
     if test -n "$debug"; then
         print_output "$@"
     fi
 }

 is_dynamic_elf ()
 {
     # Is the file an dynamically linked ELF executable?
     (file -L "$1" | grep 'ELF' > /dev/null 2>&1) && (! file -L "$1" | grep 'static' > /dev/null 2>&1)
 }

 fix_rpath ()
 {
     # Patches the RPATH for a file. When the program is executed in the chroot
     # be iceccd, /proc is not mounted. As such, $ORIGIN can't be resolved. To
     # work around this, replace all instances of $ORIGIN in RPATH with the
     # known chroot path to the executables directory
     local path="$1"
     local origin="$2"
     if ! is_dynamic_elf "$path"; then
         return
     fi
     local old_rpath="`$PATCHELF --print-rpath "$path"`"
     local new_rpath="`echo "$old_rpath" | \
         sed 's/.*\[\(.*\)\]/\1/g' | \
         sed "s,\\\$ORIGIN,/$origin,g"`"

     if test -n "$new_rpath"; then
         print_debug "Converting RPATH '$old_rpath' -> '$new_rpath'"
         $PATCHELF --set-rpath "$new_rpath" "$path"
     fi
 }

 add_path ()
 {
     case " $target_paths " in
         *" $1 "*)
             return 1
             ;;
         *)
             target_paths="$target_paths $1"
             return 0
             ;;
     esac
 }

 add_alias ()
 {
     if test "$1" != "$2"; then
         local alias="$1=$2"
         case " $target_aliases " in
             *" $alias "*)
                 ;;
             *)
                 print_debug "Adding alias '$2' -> '$1'"
                 target_aliases="$target_aliases $alias"
                 ;;
         esac
     fi
 }

 normalize_path ()
 {
     # Normalizes the path to a file or directory, removing all "." and ".."
     # entries. Use pwd -L to explicitly prevent symlink expansion
     local path=$1
     if test -f "$path"; then
         pushd $(dirname $path) > /dev/null 2>&1
         dir_path=$(pwd -L)
         path=$dir_path/$(basename $path)
         popd > /dev/null 2>&1
     elif test -d "$path"; then
         pushd $path > /dev/null 2>&1
         path=$(pwd -L)
         popd > /dev/null 2>&1
     fi
     echo $path
 }

 add_file_common()
 {
     local p="$1"
     local path="$2"
     local alias="$3"

     add_alias "$path" "$p"
     if test -n "$alias"; then
         add_alias "$path" "$alias"
     fi

     add_path "$path" || return 1
     print_debug "Adding file '$path'"

     return 0
 }

 add_deps()
 {
     local path="$1"
     local interp="$2"

     if test -n "$interp" && test -x "$interp"; then
         # Use the dynamic loaders --list argument to list the
         # dependencies. The program may have a different program
         # interpreter (typical when using uninative tarballs), which is
         # why we can't just call ldd.
         deps="`$interp --list "$path"`"
     else
         deps="`ldd "$path"`"
     fi

     print_debug "Dependencies are:"
     print_debug "$deps"
     if test -n "$deps"; then
         for lib in $deps; do
             # ldd now outputs ld as /lib/ld-linux.so.xx on current nptl
             # based glibc this regexp parse the outputs like:
             # ldd /usr/bin/gcc
             #         linux-gate.so.1 =>  (0xffffe000)
             #         libc.so.6 => /lib/tls/libc.so.6 (0xb7e81000)
             #         /lib/ld-linux.so.2 (0xb7fe8000)
             # covering both situations ( with => and without )
             lib="`echo "$lib" | sed -n 's,^[^/]*\(/[^ ]*\).*,\1,p'`"

             test -f "$lib" || continue
             # Check whether the same library also exists in the parent
             # directory, and prefer that on the assumption that it is a
             # more generic one.
             local baselib=`echo "$lib" | sed 's,\(/[^/]*\)/.*\(/[^/]*\)$,\1\2,'`
             test -f "$baselib" && lib=$baselib
             add_dependency "$lib" "$interp"
         done
     fi
 }

 add_dependency()
 {
     local p=`normalize_path $1`
     # readlink is required for Yocto, so we can use it
     local path=`readlink -f "$p"`
     local interp="$2"

     add_file_common "$p" "$path" || return

     if test -x "$path" && is_dynamic_elf "$path"; then
         add_deps "$path" "$interp"
     fi
 }

 add_file ()
 {
     local p=`normalize_path $1`
     # readlink is required for Yocto, so we can use it
     local path=`readlink -f "$p"`

     add_file_common "$p" "$path" "$2" || return

     if test -x "$path" && is_dynamic_elf "$path"; then
         # Request the program interpeter (dynamic loader)
         interp=`readelf -W -l "$path" | grep "Requesting program interpreter:" | sed "s/\s*\[Requesting program interpreter:\s*\(.*\)\]/\1/g"`
         print_debug "Interpreter is '$interp'"

         add_deps "$path" "$interp"
     fi
 }

 while test -n "$1"; do
     case "$1" in
         --respect-path)
             # Ignore for backward compatability
             ;;
         --debug)
             debug=1
             ;;
         --log)
             do_log=1
             ;;
         --extra=*)
             extra_tools="$extra_tools ${1#--extra=}"
             ;;
         *)
             break
             ;;
     esac
     shift
 done

 added_gcc=$1
 shift
 added_gxx=$1
 shift
 added_as=$1
 shift
 archive_name=$1

 if test -n "$do_log"; then
     log_path="$archive_name.log"
     rm -f "$log_path"
 fi

 if test -z "$PATCHELF"; then
     PATCHELF=`which patchelf 2> /dev/null`
 fi
 if test -z "$PATCHELF"; then
     PATCHELF=`which patchelf-uninative 2> /dev/null`
 fi
 if test -z "$PATCHELF"; then
     print_output "patchelf is required"
     exit 1
 fi

 if test -z "$added_gcc" || test -z "$added_gxx" ; then
     print_output "usage: $0 <gcc_path> <g++_path>"
     exit 1
 fi

 if ! test -x "$added_gcc" ; then
     print_output "'$added_gcc' is not executable."
     exit 1
 fi

 if ! test -x "$added_gxx" ; then
     print_output "'$added_gcc' is not executable."
     exit 1
 fi


 add_file $added_gcc /usr/bin/gcc
 add_file $added_gxx /usr/bin/g++

 if test -z "$added_as" ; then
     add_file /usr/bin/as /usr/bin/as
 else
     if ! test -x "$added_as" ; then
         print_output "'$added_as' is not executable."
         exit 1
     fi

     add_file $added_as  /usr/bin/as
 fi

 add_file `$added_gcc -print-prog-name=cc1` /usr/bin/cc1
 add_file `$added_gxx -print-prog-name=cc1plus` /usr/bin/cc1plus
 specfile=`$added_gcc -print-file-name=specs`
 if test -n "$specfile" && test -e "$specfile"; then
     add_file "$specfile"
 fi

 ltofile=`$added_gcc -print-prog-name=lto1`
 pluginfile=`normalize_path "${ltofile%lto1}liblto_plugin.so"`
 if test -r "$pluginfile"
 then
     add_file $pluginfile  ${pluginfile#*usr}
     add_file $pluginfile  /usr${pluginfile#*usr}
 fi

 # for testing the environment is usable at all
 if test -x /bin/true; then
     add_file /bin/true
 elif test -x /usr/bin/true; then
     add_file /usr/bin/true /bin/true
 else
     print_output "'true' not found"
     exit 1
 fi

 for extra in $extra_tools; do
     if test -x "$extra"; then
         add_file "$extra"
     else
         print_output "'$extra' not found"
         exit 1
     fi
 done

 link_rel ()
 {
     local target="$1"
     local name="$2"
     local base="$3"

     local prefix=`dirname $name`

     prefix=`echo $prefix | sed 's,[^/]\+,..,g' | sed 's,^/*,,g'`

     ln -s $prefix/$target $base/$name
 }

 tempdir=`mktemp -d /tmp/iceccenvXXXXXX`
 target_files=
 for path in $target_paths; do
     mkdir -p $tempdir/`dirname $path`
     cp -pH $path $tempdir/$path

     if test -f $tempdir/$path -a -x $tempdir/$path; then
         strip -s $tempdir/$path 2>/dev/null
     fi

     fix_rpath $tempdir/$path `dirname $path`
     target_files="$target_files $path"
 done

 for i in $target_aliases; do
     target=`echo $i | cut -d= -f1`
     link_name=`echo $i | cut -d= -f2`

     mkdir -p $tempdir/`dirname $link_name`
     # Relative links are used because the files are checked for being
     # executable outside the chroot
     link_rel $target $link_name $tempdir

     link_name=`echo $link_name | cut -b2-`
     target_files="$target_files $link_name"
 done

 #sort the files
 target_files=`for i in $target_files; do echo $i; done | sort`

 #test if an archive name was supplied
 #if not use the md5 of all files as the archive name
 if test -z "$archive_name"; then
     md5sum=NONE
     for file in /usr/bin/md5sum /bin/md5 /usr/bin/md5; do
         if test -x $file; then
             md5sum=$file
             break
         fi
     done

     #calculate md5 and use it as the archive name
     archive_name=`for i in $target_files; do test -f $tempdir/$i && $md5sum $tempdir/$i; done | sed -e 's/ .*$//' | $md5sum | sed -e 's/ .*$//'`.tar.gz || {
         print_output "Couldn't compute MD5 sum."
         exit 2
     }
     mydir=`pwd`
 else
     mydir="`dirname "$archive_name"`"

     #check if we have a full path or only a filename
     if test "$mydir" = "." ; then
         mydir=`pwd`
     else
         mydir=""
     fi
 fi

 print_output "creating $archive_name"

 cd $tempdir
 # Add everything in the temp directory. Tar doesn't like to be given files with
 # ".." in them, which frequently happens in $target_files, and will strip off
 # the path prefix past the offending "..". This makes the archive generate
 # incorrectly
 tar -czf "$mydir/$archive_name" . || {
     print_output "Couldn't create archive"
     exit 3
 }
 cd ..
 rm -rf $tempdir
	#! /usr/bin/env bash
	# icecc -- A simple distributed compiler system
	#
	# Copyright (C) 2004 by the Icecream Authors
	# GPL

	target_paths=
	target_aliases=

	# Always prints, optionally to a log file
	print_output ()
	{
	if test -n "$log_path"; then
	echo "$@" \| tee -a "$log_path"
	else
	echo "$@"
	fi
	}

	# Only prints if the debug flag is specified
	print_debug ()
	{
	if test -n "$debug"; then
	print_output "$@"
	fi
	}

	is_dynamic_elf ()
	{
	# Is the file an dynamically linked ELF executable?
	(file -L "$1" \| grep 'ELF' > /dev/null 2>&1) && (! file -L "$1" \| grep 'static' > /dev/null 2>&1)
	}

	fix_rpath ()
	{
	# Patches the RPATH for a file. When the program is executed in the chroot
	# be iceccd, /proc is not mounted. As such, $ORIGIN can't be resolved. To
	# work around this, replace all instances of $ORIGIN in RPATH with the
	# known chroot path to the executables directory
	local path="$1"
	local origin="$2"
	if ! is_dynamic_elf "$path"; then
	return
	fi
	local old_rpath="`$PATCHELF --print-rpath "$path"`"
	local new_rpath="`echo "$old_rpath" \| \
	sed 's/.\[\(.\)\]/\1/g' \| \
	sed "s,\\\$ORIGIN,/$origin,g"`"

	if test -n "$new_rpath"; then
	print_debug "Converting RPATH '$old_rpath' -> '$new_rpath'"
	$PATCHELF --set-rpath "$new_rpath" "$path"
	fi
	}

	add_path ()
	{
	case " $target_paths " in
	" $1 ")
	return 1
	;;
	*)
	target_paths="$target_paths $1"
	return 0
	;;
	esac
	}

	add_alias ()
	{
	if test "$1" != "$2"; then
	local alias="$1=$2"
	case " $target_aliases " in
	" $alias ")
	;;
	*)
	print_debug "Adding alias '$2' -> '$1'"
	target_aliases="$target_aliases $alias"
	;;
	esac
	fi
	}

	normalize_path ()
	{
	# Normalizes the path to a file or directory, removing all "." and ".."
	# entries. Use pwd -L to explicitly prevent symlink expansion
	local path=$1
	if test -f "$path"; then
	pushd $(dirname $path) > /dev/null 2>&1
	dir_path=$(pwd -L)
	path=$dir_path/$(basename $path)
	popd > /dev/null 2>&1
	elif test -d "$path"; then
	pushd $path > /dev/null 2>&1
	path=$(pwd -L)
	popd > /dev/null 2>&1
	fi
	echo $path
	}

	add_file_common()
	{
	local p="$1"
	local path="$2"
	local alias="$3"

	add_alias "$path" "$p"
	if test -n "$alias"; then
	add_alias "$path" "$alias"
	fi

	add_path "$path" \|\| return 1
	print_debug "Adding file '$path'"

	return 0
	}

	add_deps()
	{
	local path="$1"
	local interp="$2"

	if test -n "$interp" && test -x "$interp"; then
	# Use the dynamic loaders --list argument to list the
	# dependencies. The program may have a different program
	# interpreter (typical when using uninative tarballs), which is
	# why we can't just call ldd.
	deps="`$interp --list "$path"`"
	else
	deps="`ldd "$path"`"
	fi

	print_debug "Dependencies are:"
	print_debug "$deps"
	if test -n "$deps"; then
	for lib in $deps; do
	# ldd now outputs ld as /lib/ld-linux.so.xx on current nptl
	# based glibc this regexp parse the outputs like:
	# ldd /usr/bin/gcc
	# linux-gate.so.1 => (0xffffe000)
	# libc.so.6 => /lib/tls/libc.so.6 (0xb7e81000)
	# /lib/ld-linux.so.2 (0xb7fe8000)
	# covering both situations ( with => and without )
	lib="`echo "$lib" \| sed -n 's,^[^/]\(/[^ ]\).*,\1,p'`"

	test -f "$lib" \|\| continue
	# Check whether the same library also exists in the parent
	# directory, and prefer that on the assumption that it is a
	# more generic one.
	local baselib=`echo "$lib" \| sed 's,\(/[^/]\)/.\(/[^/]*\)$,\1\2,'`
	test -f "$baselib" && lib=$baselib
	add_dependency "$lib" "$interp"
	done
	fi
	}

	add_dependency()
	{
	local p=`normalize_path $1`
	# readlink is required for Yocto, so we can use it
	local path=`readlink -f "$p"`
	local interp="$2"

	add_file_common "$p" "$path" \|\| return

	if test -x "$path" && is_dynamic_elf "$path"; then
	add_deps "$path" "$interp"
	fi
	}

	add_file ()
	{
	local p=`normalize_path $1`
	# readlink is required for Yocto, so we can use it
	local path=`readlink -f "$p"`

	add_file_common "$p" "$path" "$2" \|\| return

	if test -x "$path" && is_dynamic_elf "$path"; then
	# Request the program interpeter (dynamic loader)
	interp=`readelf -W -l "$path" \| grep "Requesting program interpreter:" \| sed "s/\s\[Requesting program interpreter:\s\(.*\)\]/\1/g"`
	print_debug "Interpreter is '$interp'"

	add_deps "$path" "$interp"
	fi
	}

	while test -n "$1"; do
	case "$1" in
	--respect-path)
	# Ignore for backward compatability
	;;
	--debug)
	debug=1
	;;
	--log)
	do_log=1
	;;
	--extra=*)
	extra_tools="$extra_tools ${1#--extra=}"
	;;
	*)
	break
	;;
	esac
	shift
	done

	added_gcc=$1
	shift
	added_gxx=$1
	shift
	added_as=$1
	shift
	archive_name=$1

	if test -n "$do_log"; then
	log_path="$archive_name.log"
	rm -f "$log_path"
	fi

	if test -z "$PATCHELF"; then
	PATCHELF=`which patchelf 2> /dev/null`
	fi
	if test -z "$PATCHELF"; then
	PATCHELF=`which patchelf-uninative 2> /dev/null`
	fi
	if test -z "$PATCHELF"; then
	print_output "patchelf is required"
	exit 1
	fi

	if test -z "$added_gcc" \|\| test -z "$added_gxx" ; then
	print_output "usage: $0 <gcc_path> <g++_path>"
	exit 1
	fi

	if ! test -x "$added_gcc" ; then
	print_output "'$added_gcc' is not executable."
	exit 1
	fi

	if ! test -x "$added_gxx" ; then
	print_output "'$added_gcc' is not executable."
	exit 1
	fi



	add_file $added_gcc /usr/bin/gcc
	add_file $added_gxx /usr/bin/g++

	if test -z "$added_as" ; then
	add_file /usr/bin/as /usr/bin/as
	else
	if ! test -x "$added_as" ; then
	print_output "'$added_as' is not executable."
	exit 1
	fi

	add_file $added_as /usr/bin/as
	fi

	add_file `$added_gcc -print-prog-name=cc1` /usr/bin/cc1
	add_file `$added_gxx -print-prog-name=cc1plus` /usr/bin/cc1plus
	specfile=`$added_gcc -print-file-name=specs`
	if test -n "$specfile" && test -e "$specfile"; then
	add_file "$specfile"
	fi

	ltofile=`$added_gcc -print-prog-name=lto1`
	pluginfile=`normalize_path "${ltofile%lto1}liblto_plugin.so"`
	if test -r "$pluginfile"
	then
	add_file $pluginfile ${pluginfile#*usr}
	add_file $pluginfile /usr${pluginfile#*usr}
	fi

	# for testing the environment is usable at all
	if test -x /bin/true; then
	add_file /bin/true
	elif test -x /usr/bin/true; then
	add_file /usr/bin/true /bin/true
	else
	print_output "'true' not found"
	exit 1
	fi

	for extra in $extra_tools; do
	if test -x "$extra"; then
	add_file "$extra"
	else
	print_output "'$extra' not found"
	exit 1
	fi
	done

	link_rel ()
	{
	local target="$1"
	local name="$2"
	local base="$3"

	local prefix=`dirname $name`

	prefix=`echo $prefix \| sed 's,[^/]\+,..,g' \| sed 's,^/*,,g'`

	ln -s $prefix/$target $base/$name
	}

	tempdir=`mktemp -d /tmp/iceccenvXXXXXX`
	target_files=
	for path in $target_paths; do
	mkdir -p $tempdir/`dirname $path`
	cp -pH $path $tempdir/$path

	if test -f $tempdir/$path -a -x $tempdir/$path; then
	strip -s $tempdir/$path 2>/dev/null
	fi

	fix_rpath $tempdir/$path `dirname $path`
	target_files="$target_files $path"
	done

	for i in $target_aliases; do
	target=`echo $i \| cut -d= -f1`
	link_name=`echo $i \| cut -d= -f2`

	mkdir -p $tempdir/`dirname $link_name`
	# Relative links are used because the files are checked for being
	# executable outside the chroot
	link_rel $target $link_name $tempdir

	link_name=`echo $link_name \| cut -b2-`
	target_files="$target_files $link_name"
	done

	#sort the files
	target_files=`for i in $target_files; do echo $i; done \| sort`

	#test if an archive name was supplied
	#if not use the md5 of all files as the archive name
	if test -z "$archive_name"; then
	md5sum=NONE
	for file in /usr/bin/md5sum /bin/md5 /usr/bin/md5; do
	if test -x $file; then
	md5sum=$file
	break
	fi
	done

	#calculate md5 and use it as the archive name
	archive_name=`for i in $target_files; do test -f $tempdir/$i && $md5sum $tempdir/$i; done \| sed -e 's/ .$//' \| $md5sum \| sed -e 's/ .$//'`.tar.gz \|\| {
	print_output "Couldn't compute MD5 sum."
	exit 2
	}
	mydir=`pwd`
	else
	mydir="`dirname "$archive_name"`"

	#check if we have a full path or only a filename
	if test "$mydir" = "." ; then
	mydir=`pwd`
	else
	mydir=""
	fi
	fi

	print_output "creating $archive_name"

	cd $tempdir
	# Add everything in the temp directory. Tar doesn't like to be given files with
	# ".." in them, which frequently happens in $target_files, and will strip off
	# the path prefix past the offending "..". This makes the archive generate
	# incorrectly
	tar -czf "$mydir/$archive_name" . \|\| {
	print_output "Couldn't create archive"
	exit 3
	}
	cd ..
	rm -rf $tempdir