#!/bin/ksh
LC_ALL=C
LANG=C
export LC_ALL
export LANG

echo_eval(){
  echo "$@"
  eval "$@"
}

xcat() {
  while [ "$1" != "" ]; do
    case "$1" in
    *.lzma)	unlzma -c "$1"	;;
    *.xz)	xzcat "$1"	;;
    *.bz2)	bzcat "$1"	;;
    *.gz)	gzcat "$1"	;;
    *.Z)	uncompress -c "$1"	;;
    *)		cat "$1"	;;
    esac
    shift
  done
}
set_tar_dir(){
  b="$1"
  eval "${b}_tar"=$(find . -name "${b}-*.tar*" | tail -n 1)
  #eval echo "\$${b}_tar"
  eval "${b}_dir"=$(eval xcat "\$${b}_tar" '|' tar tf - | grep -v '/\._[^/][^/]*$' | head -n 1)
  #eval echo "\$${b}_dir"
}

for b in \
    dtrace	\
    ; do
  set_tar_dir "$b"	&&
  eval tar="\$${b}_tar"	&&
  eval dir="\$${b}_dir"	&&
  if [ "$tar" = "" -o "$dir" = "" ]; then
    echo ng; exit 1
  fi
  [ -d "$dir" ] ||
  echo_eval xcat "'$tar'" '|' tar xf -
done	&&

(
echo_eval cd "'$dtrace_dir'"	&&
echo_eval mkdir -p obj sym dst	&&
echo_eval xcodebuild install -target ctfconvert -target ctfdump -target ctfmerge ARCHS="'ppc ppc64 i386 x86_64'" SRCROOT="'$PWD'" OBJROOT="'$PWD/obj'" SYMROOT="'$PWD/sym'" DSTROOT="'$PWD/dst'"	&&
:
)	&&
{ echo ok; exit 0; }	||
{ echo ng; exit 1; }