diff options
Diffstat (limited to 'poky/meta/recipes-devtools/icecc-create-env/icecc-create-env/icecc-create-env')
| -rwxr-xr-x | poky/meta/recipes-devtools/icecc-create-env/icecc-create-env/icecc-create-env | 382 |
1 files changed, 382 insertions, 0 deletions
diff --git a/poky/meta/recipes-devtools/icecc-create-env/icecc-create-env/icecc-create-env b/poky/meta/recipes-devtools/icecc-create-env/icecc-create-env/icecc-create-env new file mode 100755 index 000000000..64b5e2078 --- /dev/null +++ b/poky/meta/recipes-devtools/icecc-create-env/icecc-create-env/icecc-create-env @@ -0,0 +1,382 @@ +#! /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 |
