configure

{ echo "$as_me:$LINENO: checking for $ac_word" >&5
echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
if test "${ac_cv_path_MV+set}" = set; then
  echo $ECHO_N "(cached) $ECHO_C" >&6
else
  case $MV in
  [\\/]* | ?:[\\/]*)
  ac_cv_path_MV="$MV" # Let the user override the test with a path.
  ;;
  *)
  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
for as_dir in $PATH
do
  IFS=$as_save_IFS
  test -z "$as_dir" && as_dir=.
  for ac_exec_ext in '' $ac_executable_extensions; do
  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; }; then
    ac_cv_path_MV="$as_dir/$ac_word$ac_exec_ext"
    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
    break 2
  fi
done
done
IFS=$as_save_IFS

  test -z "$ac_cv_path_MV" && ac_cv_path_MV="mv"
  ;;
esac
fi
MV=$ac_cv_path_MV
if test -n "$MV"; then
  { echo "$as_me:$LINENO: result: $MV" >&5
echo "${ECHO_T}$MV" >&6; }
else
  { echo "$as_me:$LINENO: result: no" >&5
echo "${ECHO_T}no" >&6; }
fi


if test -n "$ac_tool_prefix"; then
  # Extract the first word of "${ac_tool_prefix}ranlib", so it can be a program name with args.
set dummy ${ac_tool_prefix}ranlib; ac_word=$2
{ echo "$as_me:$LINENO: checking for $ac_word" >&5
echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
if test "${ac_cv_prog_RANLIB+set}" = set; then
  echo $ECHO_N "(cached) $ECHO_C" >&6
else
  if test -n "$RANLIB"; then
  ac_cv_prog_RANLIB="$RANLIB" # Let the user override the test.
else
as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
for as_dir in $PATH
do
  IFS=$as_save_IFS
  test -z "$as_dir" && as_dir=.
  for ac_exec_ext in '' $ac_executable_extensions; do
  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; }; then
    ac_cv_prog_RANLIB="${ac_tool_prefix}ranlib"
    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
    break 2
  fi
done
done
IFS=$as_save_IFS

fi
fi
RANLIB=$ac_cv_prog_RANLIB
if test -n "$RANLIB"; then
  { echo "$as_me:$LINENO: result: $RANLIB" >&5
echo "${ECHO_T}$RANLIB" >&6; }
else
  { echo "$as_me:$LINENO: result: no" >&5
echo "${ECHO_T}no" >&6; }
fi


fi
if test -z "$ac_cv_prog_RANLIB"; then
  ac_ct_RANLIB=$RANLIB
  # Extract the first word of "ranlib", so it can be a program name with args.
set dummy ranlib; ac_word=$2
{ echo "$as_me:$LINENO: checking for $ac_word" >&5
echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
if test "${ac_cv_prog_ac_ct_RANLIB+set}" = set; then
  echo $ECHO_N "(cached) $ECHO_C" >&6
else
  if test -n "$ac_ct_RANLIB"; then
  ac_cv_prog_ac_ct_RANLIB="$ac_ct_RANLIB" # Let the user override the test.
else
as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
for as_dir in $PATH
do
  IFS=$as_save_IFS
  test -z "$as_dir" && as_dir=.
  for ac_exec_ext in '' $ac_executable_extensions; do
  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; }; then
    ac_cv_prog_ac_ct_RANLIB="ranlib"
    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
    break 2
  fi
done
done
IFS=$as_save_IFS

fi
fi
ac_ct_RANLIB=$ac_cv_prog_ac_ct_RANLIB
if test -n "$ac_ct_RANLIB"; then
  { echo "$as_me:$LINENO: result: $ac_ct_RANLIB" >&5
echo "${ECHO_T}$ac_ct_RANLIB" >&6; }
else
  { echo "$as_me:$LINENO: result: no" >&5
echo "${ECHO_T}no" >&6; }
fi

  if test "x$ac_ct_RANLIB" = x; then
    RANLIB=":"
  else
    case $cross_compiling:$ac_tool_warned in
yes:)
{ echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools
whose name does not start with the host triplet.  If you think this
configuration is useful to you, please write to autoconf@gnu.org." >&5
echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools
whose name does not start with the host triplet.  If you think this
configuration is useful to you, please write to autoconf@gnu.org." >&2;}
ac_tool_warned=yes ;;
esac
    RANLIB=$ac_ct_RANLIB
  fi
else
  RANLIB="$ac_cv_prog_RANLIB"
fi

if test -n "$ac_tool_prefix"; then
  # Extract the first word of "${ac_tool_prefix}ar", so it can be a program name with args.
set dummy ${ac_tool_prefix}ar; ac_word=$2
{ echo "$as_me:$LINENO: checking for $ac_word" >&5
echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
if test "${ac_cv_prog_AR+set}" = set; then
  echo $ECHO_N "(cached) $ECHO_C" >&6
else
  if test -n "$AR"; then
  ac_cv_prog_AR="$AR" # Let the user override the test.
else
as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
for as_dir in $PATH
do
  IFS=$as_save_IFS
  test -z "$as_dir" && as_dir=.
  for ac_exec_ext in '' $ac_executable_extensions; do
  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; }; then
    ac_cv_prog_AR="${ac_tool_prefix}ar"
    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
    break 2
  fi
done
done
IFS=$as_save_IFS

fi
fi
AR=$ac_cv_prog_AR
if test -n "$AR"; then
  { echo "$as_me:$LINENO: result: $AR" >&5
echo "${ECHO_T}$AR" >&6; }
else
  { echo "$as_me:$LINENO: result: no" >&5
echo "${ECHO_T}no" >&6; }
fi


fi
if test -z "$ac_cv_prog_AR"; then
  ac_ct_AR=$AR
  # Extract the first word of "ar", so it can be a program name with args.
set dummy ar; ac_word=$2
{ echo "$as_me:$LINENO: checking for $ac_word" >&5
echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
if test "${ac_cv_prog_ac_ct_AR+set}" = set; then
  echo $ECHO_N "(cached) $ECHO_C" >&6
else
  if test -n "$ac_ct_AR"; then
  ac_cv_prog_ac_ct_AR="$ac_ct_AR" # Let the user override the test.
else
as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
for as_dir in $PATH
do
  IFS=$as_save_IFS
  test -z "$as_dir" && as_dir=.
  for ac_exec_ext in '' $ac_executable_extensions; do
  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; }; then
    ac_cv_prog_ac_ct_AR="ar"
    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
    break 2
  fi
done
done
IFS=$as_save_IFS

fi
fi
ac_ct_AR=$ac_cv_prog_ac_ct_AR
if test -n "$ac_ct_AR"; then
  { echo "$as_me:$LINENO: result: $ac_ct_AR" >&5
echo "${ECHO_T}$ac_ct_AR" >&6; }
else
  { echo "$as_me:$LINENO: result: no" >&5
echo "${ECHO_T}no" >&6; }
fi

  if test "x$ac_ct_AR" = x; then
    AR="false"
  else
    case $cross_compiling:$ac_tool_warned in
yes:)
{ echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools
whose name does not start with the host triplet.  If you think this
configuration is useful to you, please write to autoconf@gnu.org." >&5
echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools
whose name does not start with the host triplet.  If you think this
configuration is useful to you, please write to autoconf@gnu.org." >&2;}
ac_tool_warned=yes ;;
esac
    AR=$ac_ct_AR
  fi
else
  AR="$ac_cv_prog_AR"
fi

# Extract the first word of "rm", so it can be a program name with args.
set dummy rm; ac_word=$2
{ echo "$as_me:$LINENO: checking for $ac_word" >&5
echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
if test "${ac_cv_path_RM+set}" = set; then
  echo $ECHO_N "(cached) $ECHO_C" >&6
else
  case $RM in
  [\\/]* | ?:[\\/]*)
  ac_cv_path_RM="$RM" # Let the user override the test with a path.
  ;;
  *)
  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
for as_dir in $PATH
do
  IFS=$as_save_IFS
  test -z "$as_dir" && as_dir=.
  for ac_exec_ext in '' $ac_executable_extensions; do
  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; }; then
    ac_cv_path_RM="$as_dir/$ac_word$ac_exec_ext"
    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
    break 2
  fi
done
done
IFS=$as_save_IFS

  test -z "$ac_cv_path_RM" && ac_cv_path_RM="rm"
  ;;
esac
fi
RM=$ac_cv_path_RM
if test -n "$RM"; then
  { echo "$as_me:$LINENO: result: $RM" >&5
echo "${ECHO_T}$RM" >&6; }
else
  { echo "$as_me:$LINENO: result: no" >&5
echo "${ECHO_T}no" >&6; }
fi


# Extract the first word of "sed", so it can be a program name with args.
set dummy sed; ac_word=$2
{ echo "$as_me:$LINENO: checking for $ac_word" >&5
echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
if test "${ac_cv_path_SED+set}" = set; then
  echo $ECHO_N "(cached) $ECHO_C" >&6
else
  case $SED in
  [\\/]* | ?:[\\/]*)
  ac_cv_path_SED="$SED" # Let the user override the test with a path.
  ;;
  *)
  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
for as_dir in $PATH
do
  IFS=$as_save_IFS
  test -z "$as_dir" && as_dir=.
  for ac_exec_ext in '' $ac_executable_extensions; do
  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; }; then
    ac_cv_path_SED="$as_dir/$ac_word$ac_exec_ext"
    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
    break 2
  fi
done
done
IFS=$as_save_IFS

  test -z "$ac_cv_path_SED" && ac_cv_path_SED="sed"
  ;;
esac
fi
SED=$ac_cv_path_SED
if test -n "$SED"; then
  { echo "$as_me:$LINENO: result: $SED" >&5
echo "${ECHO_T}$SED" >&6; }
else
  { echo "$as_me:$LINENO: result: no" >&5
echo "${ECHO_T}no" >&6; }
fi


# Extract the first word of "tar", so it can be a program name with args.
set dummy tar; ac_word=$2
{ echo "$as_me:$LINENO: checking for $ac_word" >&5
echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
if test "${ac_cv_path_TAR+set}" = set; then
  echo $ECHO_N "(cached) $ECHO_C" >&6
else
  case $TAR in
  [\\/]* | ?:[\\/]*)
  ac_cv_path_TAR="$TAR" # Let the user override the test with a path.
  ;;
  *)
  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
for as_dir in $PATH
do
  IFS=$as_save_IFS
  test -z "$as_dir" && as_dir=.
  for ac_exec_ext in '' $ac_executable_extensions; do
  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; }; then
    ac_cv_path_TAR="$as_dir/$ac_word$ac_exec_ext"
    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
    break 2
  fi
done
done
IFS=$as_save_IFS

  test -z "$ac_cv_path_TAR" && ac_cv_path_TAR="gtar"
  ;;
esac
fi
TAR=$ac_cv_path_TAR
if test -n "$TAR"; then
  { echo "$as_me:$LINENO: result: $TAR" >&5
echo "${ECHO_T}$TAR" >&6; }
else
  { echo "$as_me:$LINENO: result: no" >&5
echo "${ECHO_T}no" >&6; }
fi


# Extract the first word of "pwd", so it can be a program name with args.
set dummy pwd; ac_word=$2
{ echo "$as_me:$LINENO: checking for $ac_word" >&5
echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
if test "${ac_cv_path_BINPWD+set}" = set; then
  echo $ECHO_N "(cached) $ECHO_C" >&6
else
  case $BINPWD in
  [\\/]* | ?:[\\/]*)
  ac_cv_path_BINPWD="$BINPWD" # Let the user override the test with a path.
  ;;
  *)
  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
for as_dir in $PATH
do
  IFS=$as_save_IFS
  test -z "$as_dir" && as_dir=.
  for ac_exec_ext in '' $ac_executable_extensions; do
  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; }; then
    ac_cv_path_BINPWD="$as_dir/$ac_word$ac_exec_ext"
    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
    break 2
  fi
done
done
IFS=$as_save_IFS

  test -z "$ac_cv_path_BINPWD" && ac_cv_path_BINPWD="pwd"
  ;;
esac
fi
BINPWD=$ac_cv_path_BINPWD
if test -n "$BINPWD"; then
  { echo "$as_me:$LINENO: result: $BINPWD" >&5
echo "${ECHO_T}$BINPWD" >&6; }
else
  { echo "$as_me:$LINENO: result: no" >&5
echo "${ECHO_T}no" >&6; }
fi



# Extract the first word of "Graphviz", so it can be a program name with args.
set dummy Graphviz; ac_word=$2
{ echo "$as_me:$LINENO: checking for $ac_word" >&5
echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
if test "${ac_cv_path_GRAPHVIZ+set}" = set; then
  echo $ECHO_N "(cached) $ECHO_C" >&6
else
  case $GRAPHVIZ in
  [\\/]* | ?:[\\/]*)
  ac_cv_path_GRAPHVIZ="$GRAPHVIZ" # Let the user override the test with a path.
  ;;
  *)
  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
for as_dir in $PATH
do
  IFS=$as_save_IFS
  test -z "$as_dir" && as_dir=.
  for ac_exec_ext in '' $ac_executable_extensions; do
  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; }; then
    ac_cv_path_GRAPHVIZ="$as_dir/$ac_word$ac_exec_ext"
    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
    break 2
  fi
done
done
IFS=$as_save_IFS

  test -z "$ac_cv_path_GRAPHVIZ" && ac_cv_path_GRAPHVIZ="echo Graphviz"
  ;;
esac
fi
GRAPHVIZ=$ac_cv_path_GRAPHVIZ
if test -n "$GRAPHVIZ"; then
  { echo "$as_me:$LINENO: result: $GRAPHVIZ" >&5
echo "${ECHO_T}$GRAPHVIZ" >&6; }
else
  { echo "$as_me:$LINENO: result: no" >&5
echo "${ECHO_T}no" >&6; }
fi


if test "$GRAPHVIZ" != "echo Graphviz" ; then

cat >>confdefs.h <<\_ACEOF
#define HAVE_GRAPHVIZ 1
_ACEOF

    if test "$llvm_cv_os_type" = "MingW" ; then
    GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([A-Za-z]\)\//\1:\//' `
  fi

cat >>confdefs.h <<_ACEOF
#define LLVM_PATH_GRAPHVIZ "$GRAPHVIZ${EXEEXT}"
_ACEOF

fi
# Extract the first word of "dot", so it can be a program name with args.
set dummy dot; ac_word=$2
{ echo "$as_me:$LINENO: checking for $ac_word" >&5
echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
if test "${ac_cv_path_DOT+set}" = set; then
  echo $ECHO_N "(cached) $ECHO_C" >&6
else
  case $DOT in
  [\\/]* | ?:[\\/]*)
  ac_cv_path_DOT="$DOT" # Let the user override the test with a path.
  ;;
  *)
  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
for as_dir in $PATH
do
  IFS=$as_save_IFS
  test -z "$as_dir" && as_dir=.
  for ac_exec_ext in '' $ac_executable_extensions; do
  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; }; then
    ac_cv_path_DOT="$as_dir/$ac_word$ac_exec_ext"
    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
    break 2
  fi
done
done
IFS=$as_save_IFS

  test -z "$ac_cv_path_DOT" && ac_cv_path_DOT="echo dot"
  ;;
esac
fi
DOT=$ac_cv_path_DOT
if test -n "$DOT"; then
  { echo "$as_me:$LINENO: result: $DOT" >&5
echo "${ECHO_T}$DOT" >&6; }
else
  { echo "$as_me:$LINENO: result: no" >&5
echo "${ECHO_T}no" >&6; }
fi


if test "$DOT" != "echo dot" ; then

cat >>confdefs.h <<\_ACEOF
#define HAVE_DOT 1
_ACEOF

    if test "$llvm_cv_os_type" = "MingW" ; then
    DOT=`echo $DOT | sed 's/^\/\([A-Za-z]\)\//\1:\//' `
  fi

cat >>confdefs.h <<_ACEOF
#define LLVM_PATH_DOT "$DOT${EXEEXT}"
_ACEOF

fi
# Extract the first word of "fdp", so it can be a program name with args.
set dummy fdp; ac_word=$2
{ echo "$as_me:$LINENO: checking for $ac_word" >&5
echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
if test "${ac_cv_path_FDP+set}" = set; then
  echo $ECHO_N "(cached) $ECHO_C" >&6
else
  case $FDP in
  [\\/]* | ?:[\\/]*)
  ac_cv_path_FDP="$FDP" # Let the user override the test with a path.
  ;;
  *)
  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
for as_dir in $PATH
do
  IFS=$as_save_IFS
  test -z "$as_dir" && as_dir=.
  for ac_exec_ext in '' $ac_executable_extensions; do
  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; }; then
    ac_cv_path_FDP="$as_dir/$ac_word$ac_exec_ext"
    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
    break 2
  fi
done
done
IFS=$as_save_IFS

  test -z "$ac_cv_path_FDP" && ac_cv_path_FDP="echo fdp"
  ;;
esac
fi
FDP=$ac_cv_path_FDP
if test -n "$FDP"; then
  { echo "$as_me:$LINENO: result: $FDP" >&5
echo "${ECHO_T}$FDP" >&6; }
else
  { echo "$as_me:$LINENO: result: no" >&5
echo "${ECHO_T}no" >&6; }
fi


if test "$FDP" != "echo fdp" ; then

cat >>confdefs.h <<\_ACEOF
#define HAVE_FDP 1
_ACEOF

    if test "$llvm_cv_os_type" = "MingW" ; then
    FDP=`echo $FDP | sed 's/^\/\([A-Za-z]\)\//\1:\//' `
  fi

cat >>confdefs.h <<_ACEOF
#define LLVM_PATH_FDP "$FDP${EXEEXT}"
_ACEOF

fi
# Extract the first word of "neato", so it can be a program name with args.
set dummy neato; ac_word=$2
{ echo "$as_me:$LINENO: checking for $ac_word" >&5
echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
if test "${ac_cv_path_NEATO+set}" = set; then
  echo $ECHO_N "(cached) $ECHO_C" >&6
else
  case $NEATO in
  [\\/]* | ?:[\\/]*)
  ac_cv_path_NEATO="$NEATO" # Let the user override the test with a path.
  ;;
  *)
  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
for as_dir in $PATH
do
  IFS=$as_save_IFS
  test -z "$as_dir" && as_dir=.
  for ac_exec_ext in '' $ac_executable_extensions; do
  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; }; then
    ac_cv_path_NEATO="$as_dir/$ac_word$ac_exec_ext"
    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
    break 2
  fi
done
done
IFS=$as_save_IFS

  test -z "$ac_cv_path_NEATO" && ac_cv_path_NEATO="echo neato"
  ;;
esac
fi
NEATO=$ac_cv_path_NEATO
if test -n "$NEATO"; then
  { echo "$as_me:$LINENO: result: $NEATO" >&5
echo "${ECHO_T}$NEATO" >&6; }
else
  { echo "$as_me:$LINENO: result: no" >&5
echo "${ECHO_T}no" >&6; }
fi


if test "$NEATO" != "echo neato" ; then

cat >>confdefs.h <<\_ACEOF
#define HAVE_NEATO 1
_ACEOF

    if test "$llvm_cv_os_type" = "MingW" ; then
    NEATO=`echo $NEATO | sed 's/^\/\([A-Za-z]\)\//\1:\//' `
  fi

cat >>confdefs.h <<_ACEOF
#define LLVM_PATH_NEATO "$NEATO${EXEEXT}"
_ACEOF

fi
# Extract the first word of "twopi", so it can be a program name with args.
set dummy twopi; ac_word=$2
{ echo "$as_me:$LINENO: checking for $ac_word" >&5
echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
if test "${ac_cv_path_TWOPI+set}" = set; then
  echo $ECHO_N "(cached) $ECHO_C" >&6
else
  case $TWOPI in
  [\\/]* | ?:[\\/]*)
  ac_cv_path_TWOPI="$TWOPI" # Let the user override the test with a path.
  ;;
  *)
  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
for as_dir in $PATH
do
  IFS=$as_save_IFS
  test -z "$as_dir" && as_dir=.
  for ac_exec_ext in '' $ac_executable_extensions; do
  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; }; then
    ac_cv_path_TWOPI="$as_dir/$ac_word$ac_exec_ext"
    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
    break 2
  fi
done
done
IFS=$as_save_IFS

  test -z "$ac_cv_path_TWOPI" && ac_cv_path_TWOPI="echo twopi"
  ;;
esac
fi
TWOPI=$ac_cv_path_TWOPI
if test -n "$TWOPI"; then
  { echo "$as_me:$LINENO: result: $TWOPI" >&5
echo "${ECHO_T}$TWOPI" >&6; }
else
  { echo "$as_me:$LINENO: result: no" >&5
echo "${ECHO_T}no" >&6; }
fi


if test "$TWOPI" != "echo twopi" ; then

cat >>confdefs.h <<\_ACEOF
#define HAVE_TWOPI 1
_ACEOF

    if test "$llvm_cv_os_type" = "MingW" ; then
    TWOPI=`echo $TWOPI | sed 's/^\/\([A-Za-z]\)\//\1:\//' `
  fi

cat >>confdefs.h <<_ACEOF
#define LLVM_PATH_TWOPI "$TWOPI${EXEEXT}"
_ACEOF

fi
# Extract the first word of "circo", so it can be a program name with args.
set dummy circo; ac_word=$2
{ echo "$as_me:$LINENO: checking for $ac_word" >&5
echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
if test "${ac_cv_path_CIRCO+set}" = set; then
  echo $ECHO_N "(cached) $ECHO_C" >&6
else
  case $CIRCO in
  [\\/]* | ?:[\\/]*)
  ac_cv_path_CIRCO="$CIRCO" # Let the user override the test with a path.
  ;;
  *)
  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
for as_dir in $PATH
do
  IFS=$as_save_IFS
  test -z "$as_dir" && as_dir=.
  for ac_exec_ext in '' $ac_executable_extensions; do
  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; }; then
    ac_cv_path_CIRCO="$as_dir/$ac_word$ac_exec_ext"
    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
    break 2
  fi
done
done
IFS=$as_save_IFS

  test -z "$ac_cv_path_CIRCO" && ac_cv_path_CIRCO="echo circo"
  ;;
esac
fi
CIRCO=$ac_cv_path_CIRCO
if test -n "$CIRCO"; then
  { echo "$as_me:$LINENO: result: $CIRCO" >&5
echo "${ECHO_T}$CIRCO" >&6; }
else
  { echo "$as_me:$LINENO: result: no" >&5
echo "${ECHO_T}no" >&6; }
fi


if test "$CIRCO" != "echo circo" ; then

cat >>confdefs.h <<\_ACEOF
#define HAVE_CIRCO 1
_ACEOF

    if test "$llvm_cv_os_type" = "MingW" ; then
    CIRCO=`echo $CIRCO | sed 's/^\/\([A-Za-z]\)\//\1:\//' `
  fi

cat >>confdefs.h <<_ACEOF
#define LLVM_PATH_CIRCO "$CIRCO${EXEEXT}"
_ACEOF

fi
for ac_prog in gv gsview32
do
  # Extract the first word of "$ac_prog", so it can be a program name with args.
set dummy $ac_prog; ac_word=$2
{ echo "$as_me:$LINENO: checking for $ac_word" >&5
echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
if test "${ac_cv_path_GV+set}" = set; then
  echo $ECHO_N "(cached) $ECHO_C" >&6
else
  case $GV in
  [\\/]* | ?:[\\/]*)
  ac_cv_path_GV="$GV" # Let the user override the test with a path.
  ;;
  *)
  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
for as_dir in $PATH
do
  IFS=$as_save_IFS
  test -z "$as_dir" && as_dir=.
  for ac_exec_ext in '' $ac_executable_extensions; do
  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; }; then
    ac_cv_path_GV="$as_dir/$ac_word$ac_exec_ext"
    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
    break 2
  fi
done
done
IFS=$as_save_IFS

  ;;
esac
fi
GV=$ac_cv_path_GV
if test -n "$GV"; then
  { echo "$as_me:$LINENO: result: $GV" >&5
echo "${ECHO_T}$GV" >&6; }
else
  { echo "$as_me:$LINENO: result: no" >&5
echo "${ECHO_T}no" >&6; }
fi


  test -n "$GV" && break
done
test -n "$GV" || GV="echo gv"

if test "$GV" != "echo gv" ; then

cat >>confdefs.h <<\_ACEOF
#define HAVE_GV 1
_ACEOF

    if test "$llvm_cv_os_type" = "MingW" ; then
    GV=`echo $GV | sed 's/^\/\([A-Za-z]\)\//\1:\//' `
  fi

cat >>confdefs.h <<_ACEOF
#define LLVM_PATH_GV "$GV${EXEEXT}"
_ACEOF

fi
# Extract the first word of "dotty", so it can be a program name with args.
set dummy dotty; ac_word=$2
{ echo "$as_me:$LINENO: checking for $ac_word" >&5
echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
if test "${ac_cv_path_DOTTY+set}" = set; then
  echo $ECHO_N "(cached) $ECHO_C" >&6
else
  case $DOTTY in
  [\\/]* | ?:[\\/]*)
  ac_cv_path_DOTTY="$DOTTY" # Let the user override the test with a path.
  ;;
  *)
  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
for as_dir in $PATH
do
  IFS=$as_save_IFS
  test -z "$as_dir" && as_dir=.
  for ac_exec_ext in '' $ac_executable_extensions; do
  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; }; then
    ac_cv_path_DOTTY="$as_dir/$ac_word$ac_exec_ext"
    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
    break 2
  fi
done
done
IFS=$as_save_IFS

  test -z "$ac_cv_path_DOTTY" && ac_cv_path_DOTTY="echo dotty"
  ;;
esac
fi
DOTTY=$ac_cv_path_DOTTY
if test -n "$DOTTY"; then
  { echo "$as_me:$LINENO: result: $DOTTY" >&5
echo "${ECHO_T}$DOTTY" >&6; }
else
  { echo "$as_me:$LINENO: result: no" >&5
echo "${ECHO_T}no" >&6; }
fi


if test "$DOTTY" != "echo dotty" ; then

cat >>confdefs.h <<\_ACEOF
#define HAVE_DOTTY 1
_ACEOF

    if test "$llvm_cv_os_type" = "MingW" ; then
    DOTTY=`echo $DOTTY | sed 's/^\/\([A-Za-z]\)\//\1:\//' `
  fi

cat >>confdefs.h <<_ACEOF
#define LLVM_PATH_DOTTY "$DOTTY${EXEEXT}"
_ACEOF

fi
# Extract the first word of "xdot.py", so it can be a program name with args.
set dummy xdot.py; ac_word=$2
{ echo "$as_me:$LINENO: checking for $ac_word" >&5
echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
if test "${ac_cv_path_XDOT_PY+set}" = set; then
  echo $ECHO_N "(cached) $ECHO_C" >&6
else
  case $XDOT_PY in
  [\\/]* | ?:[\\/]*)
  ac_cv_path_XDOT_PY="$XDOT_PY" # Let the user override the test with a path.
  ;;
  *)
  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
for as_dir in $PATH
do
  IFS=$as_save_IFS
  test -z "$as_dir" && as_dir=.
  for ac_exec_ext in '' $ac_executable_extensions; do
  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; }; then
    ac_cv_path_XDOT_PY="$as_dir/$ac_word$ac_exec_ext"
    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
    break 2
  fi
done
done
IFS=$as_save_IFS

  test -z "$ac_cv_path_XDOT_PY" && ac_cv_path_XDOT_PY="echo xdot.py"
  ;;
esac
fi
XDOT_PY=$ac_cv_path_XDOT_PY
if test -n "$XDOT_PY"; then
  { echo "$as_me:$LINENO: result: $XDOT_PY" >&5
echo "${ECHO_T}$XDOT_PY" >&6; }
else
  { echo "$as_me:$LINENO: result: no" >&5
echo "${ECHO_T}no" >&6; }
fi


if test "$XDOT_PY" != "echo xdot.py" ; then

cat >>confdefs.h <<\_ACEOF
#define HAVE_XDOT_PY 1
_ACEOF

    if test "$llvm_cv_os_type" = "MingW" ; then
    XDOT_PY=`echo $XDOT_PY | sed 's/^\/\([A-Za-z]\)\//\1:\//' `
  fi

cat >>confdefs.h <<_ACEOF
#define LLVM_PATH_XDOT_PY "$XDOT_PY${EXEEXT}"
_ACEOF

fi


# Extract the first word of "perl", so it can be a program name with args.
set dummy perl; ac_word=$2
{ echo "$as_me:$LINENO: checking for $ac_word" >&5
echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
if test "${ac_cv_path_PERL+set}" = set; then
  echo $ECHO_N "(cached) $ECHO_C" >&6
else
  case $PERL in
  [\\/]* | ?:[\\/]*)
  ac_cv_path_PERL="$PERL" # Let the user override the test with a path.
  ;;
  *)
  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
for as_dir in $PATH
do
  IFS=$as_save_IFS
  test -z "$as_dir" && as_dir=.
  for ac_exec_ext in '' $ac_executable_extensions; do
  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; }; then
    ac_cv_path_PERL="$as_dir/$ac_word$ac_exec_ext"
    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
    break 2
  fi
done
done
IFS=$as_save_IFS

  test -z "$ac_cv_path_PERL" && ac_cv_path_PERL="none"
  ;;
esac
fi
PERL=$ac_cv_path_PERL
if test -n "$PERL"; then
  { echo "$as_me:$LINENO: result: $PERL" >&5
echo "${ECHO_T}$PERL" >&6; }
else
  { echo "$as_me:$LINENO: result: no" >&5
echo "${ECHO_T}no" >&6; }
fi


if test "$PERL" != "none"; then
  { echo "$as_me:$LINENO: checking for Perl 5.006 or newer" >&5
echo $ECHO_N "checking for Perl 5.006 or newer... $ECHO_C" >&6; }
  if $PERL -e 'use 5.006;' 2>&1 > /dev/null; then
    { echo "$as_me:$LINENO: result: yes" >&5
echo "${ECHO_T}yes" >&6; }
  else
    PERL=none
    { echo "$as_me:$LINENO: result: not found" >&5
echo "${ECHO_T}not found" >&6; }
  fi
fi


if test x"$PERL" = xnone; then
   HAVE_PERL=0

   { { echo "$as_me:$LINENO: error: perl is required but was not found, please install it" >&5
echo "$as_me: error: perl is required but was not found, please install it" >&2;}
   { (exit 1); exit 1; }; }
else
   HAVE_PERL=1

fi

# Find a good install program.  We prefer a C program (faster),
# so one script is as good as another.  But avoid the broken or
# incompatible versions:
# SysV /etc/install, /usr/sbin/install
# SunOS /usr/etc/install
# IRIX /sbin/install
# AIX /bin/install
# AmigaOS /C/install, which installs bootblocks on floppy discs
# AIX 4 /usr/bin/installbsd, which doesn't work without a -g flag
# AFS /usr/afsws/bin/install, which mishandles nonexistent args
# SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
# OS/2's system install, which has a completely different semantic
# ./install, which can be erroneously created by make from ./install.sh.
{ echo "$as_me:$LINENO: checking for a BSD-compatible install" >&5
echo $ECHO_N "checking for a BSD-compatible install... $ECHO_C" >&6; }
if test -z "$INSTALL"; then
if test "${ac_cv_path_install+set}" = set; then
  echo $ECHO_N "(cached) $ECHO_C" >&6
else
  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
for as_dir in $PATH
do
  IFS=$as_save_IFS
  test -z "$as_dir" && as_dir=.
  # Account for people who put trailing slashes in PATH elements.
case $as_dir/ in
  ./ | .// | /cC/* | \