configure

  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
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 "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

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/* | \
  /etc/* | /usr/sbin/* | /usr/etc/* | /sbin/* | /usr/afsws/bin/* | \
  ?:\\/os2\\/install\\/* | ?:\\/OS2\\/INSTALL\\/* | \
  /usr/ucb/* ) ;;
  *)
    # OSF1 and SCO ODT 3.0 have their own names for install.
    # Don't use installbsd from OSF since it installs stuff as root
    # by default.
    for ac_prog in ginstall scoinst install; do
      for ac_exec_ext in '' $ac_executable_extensions; do
	if { test -f "$as_dir/$ac_prog$ac_exec_ext" && $as_executable_p "$as_dir/$ac_prog$ac_exec_ext"; }; then
	  if test $ac_prog = install &&
	    grep dspmsg "$as_dir/$ac_prog$ac_exec_ext" >/dev/null 2>&1; then
	    # AIX install.  It has an incompatible calling convention.
	    :
	  elif test $ac_prog = install &&
	    grep pwplus "$as_dir/$ac_prog$ac_exec_ext" >/dev/null 2>&1; then
	    # program-specific install script used by HP pwplus--don't use.
	    :
	  else
	    ac_cv_path_install="$as_dir/$ac_prog$ac_exec_ext -c"
	    break 3
	  fi
	fi
      done
    done
    ;;
esac
done
IFS=$as_save_IFS


fi
  if test "${ac_cv_path_install+set}" = set; then
    INSTALL=$ac_cv_path_install
  else
    # As a last resort, use the slow shell script.  Don't cache a
    # value for INSTALL within a source directory, because that will
    # break other packages using the cache if that directory is
    # removed, or if the value is a relative name.
    INSTALL=$ac_install_sh
  fi
fi
{ echo "$as_me:$LINENO: result: $INSTALL" >&5
echo "${ECHO_T}$INSTALL" >&6; }

# Use test -z because SunOS4 sh mishandles braces in ${var-val}.
# It thinks the first close brace ends the variable substitution.
test -z "$INSTALL_PROGRAM" && INSTALL_PROGRAM='${INSTALL}'

test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL}'

test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'


# Extract the first word of "bzip2", so it can be a program name with args.
set dummy bzip2; 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_BZIP2+set}" = set; then
  echo $ECHO_N "(cached) $ECHO_C" >&6
else
  case $BZIP2 in
  [\\/]* | ?:[\\/]*)
  ac_cv_path_BZIP2="$BZIP2" # 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_BZIP2="$as_dir/$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 "$ac_cv_path_BZIP2" && ac_cv_path_BZIP2="echo "Skipped: bzip2 not found""
  ;;
esac
fi
BZIP2=$ac_cv_path_BZIP2
if test -n "$BZIP2"; then
  { echo "$as_me:$LINENO: result: $BZIP2" >&5
echo "${ECHO_T}$BZIP2" >&6; }
else
  { echo "$as_me:$LINENO: result: no" >&5
echo "${ECHO_T}no" >&6; }
fi


# Extract the first word of "doxygen", so it can be a program name with args.
set dummy doxygen; 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_DOXYGEN+set}" = set; then
  echo $ECHO_N "(cached) $ECHO_C" >&6
else
  case $DOXYGEN in
  [\\/]* | ?:[\\/]*)
  ac_cv_path_DOXYGEN="$DOXYGEN" # 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_DOXYGEN="$as_dir/$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 "$ac_cv_path_DOXYGEN" && ac_cv_path_DOXYGEN="echo "Skipped: doxygen not found""
  ;;
esac
fi
DOXYGEN=$ac_cv_path_DOXYGEN
if test -n "$DOXYGEN"; then
  { echo "$as_me:$LINENO: result: $DOXYGEN" >&5
echo "${ECHO_T}$DOXYGEN" >&6; }
else
  { echo "$as_me:$LINENO: result: no" >&5
echo "${ECHO_T}no" >&6; }
fi


# Extract the first word of "groff", so it can be a program name with args.
set dummy groff; 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_GROFF+set}" = set; then
  echo $ECHO_N "(cached) $ECHO_C" >&6
else
  case $GROFF in
  [\\/]* | ?:[\\/]*)
  ac_cv_path_GROFF="$GROFF" # 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_GROFF="$as_dir/$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 "$ac_cv_path_GROFF" && ac_cv_path_GROFF="echo "Skipped: groff not found""
  ;;
esac
fi
GROFF=$ac_cv_path_GROFF
if test -n "$GROFF"; then
  { echo "$as_me:$LINENO: result: $GROFF" >&5
echo "${ECHO_T}$GROFF" >&6; }
else
  { echo "$as_me:$LINENO: result: no" >&5
echo "${ECHO_T}no" >&6; }
fi


# Extract the first word of "gzip", so it can be a program name with args.
set dummy gzip; 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_GZIP+set}" = set; then
  echo $ECHO_N "(cached) $ECHO_C" >&6
else
  case $GZIP in
  [\\/]* | ?:[\\/]*)
  ac_cv_path_GZIP="$GZIP" # 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_GZIP="$as_dir/$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 "$ac_cv_path_GZIP" && ac_cv_path_GZIP="echo "Skipped: gzip not found""
  ;;
esac
fi
GZIP=$ac_cv_path_GZIP
if test -n "$GZIP"; then
  { echo "$as_me:$LINENO: result: $GZIP" >&5
echo "${ECHO_T}$GZIP" >&6; }
else
  { echo "$as_me:$LINENO: result: no" >&5
echo "${ECHO_T}no" >&6; }
fi


# Extract the first word of "pod2html", so it can be a program name with args.
set dummy pod2html; 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_POD2HTML+set}" = set; then
  echo $ECHO_N "(cached) $ECHO_C" >&6
else
  case $POD2HTML in
  [\\/]* | ?:[\\/]*)
  ac_cv_path_POD2HTML="$POD2HTML" # 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_POD2HTML="$as_dir/$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 "$ac_cv_path_POD2HTML" && ac_cv_path_POD2HTML="echo "Skipped: pod2html not found""
  ;;
esac
fi
POD2HTML=$ac_cv_path_POD2HTML
if test -n "$POD2HTML"; then
  { echo "$as_me:$LINENO: result: $POD2HTML" >&5
echo "${ECHO_T}$POD2HTML" >&6; }
else
  { echo "$as_me:$LINENO: result: no" >&5
echo "${ECHO_T}no" >&6; }
fi


# Extract the first word of "pod2man", so it can be a program name with args.
set dummy pod2man; 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_POD2MAN+set}" = set; then
  echo $ECHO_N "(cached) $ECHO_C" >&6
else
  case $POD2MAN in
  [\\/]* | ?:[\\/]*)
  ac_cv_path_POD2MAN="$POD2MAN" # 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_POD2MAN="$as_dir/$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 "$ac_cv_path_POD2MAN" && ac_cv_path_POD2MAN="echo "Skipped: pod2man not found""
  ;;
esac
fi
POD2MAN=$ac_cv_path_POD2MAN
if test -n "$POD2MAN"; then
  { echo "$as_me:$LINENO: result: $POD2MAN" >&5
echo "${ECHO_T}$POD2MAN" >&6; }
else
  { echo "$as_me:$LINENO: result: no" >&5
echo "${ECHO_T}no" >&6; }
fi


# Extract the first word of "runtest", so it can be a program name with args.
set dummy runtest; 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_RUNTEST+set}" = set; then
  echo $ECHO_N "(cached) $ECHO_C" >&6
else
  case $RUNTEST in
  [\\/]* | ?:[\\/]*)
  ac_cv_path_RUNTEST="$RUNTEST" # 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_RUNTEST="$as_dir/$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 "$ac_cv_path_RUNTEST" && ac_cv_path_RUNTEST="echo "Skipped: runtest not found""
  ;;
esac
fi
RUNTEST=$ac_cv_path_RUNTEST
if test -n "$RUNTEST"; then
  { echo "$as_me:$LINENO: result: $RUNTEST" >&5
echo "${ECHO_T}$RUNTEST" >&6; }
else
  { echo "$as_me:$LINENO: result: no" >&5
echo "${ECHO_T}no" >&6; }
fi



no_itcl=true
{ echo "$as_me:$LINENO: checking for the tclsh program in tclinclude directory" >&5
echo $ECHO_N "checking for the tclsh program in tclinclude directory... $ECHO_C" >&6; }

# Check whether --with-tclinclude was given.
if test "${with_tclinclude+set}" = set; then
  withval=$with_tclinclude; with_tclinclude=${withval}
else
  with_tclinclude=''
fi

if test "${ac_cv_path_tclsh+set}" = set; then
  echo $ECHO_N "(cached) $ECHO_C" >&6
else

if test x"${with_tclinclude}" != x ; then
  if test -f ${with_tclinclude}/tclsh ; then
    ac_cv_path_tclsh=`(cd ${with_tclinclude}; pwd)`
  elif test -f ${with_tclinclude}/src/tclsh ; then
    ac_cv_path_tclsh=`(cd ${with_tclinclude}/src; pwd)`
  else
    { { echo "$as_me:$LINENO: error: ${with_tclinclude} directory doesn't contain tclsh" >&5
echo "$as_me: error: ${with_tclinclude} directory doesn't contain tclsh" >&2;}
   { (exit 1); exit 1; }; }
  fi
fi

if test x"${ac_cv_path_tclsh}" = x ; then
  { echo "$as_me:$LINENO: result: none" >&5
echo "${ECHO_T}none" >&6; }
  for ac_prog in tclsh8.4 tclsh8.4.8 tclsh8.4.7 tclsh8.4.6 tclsh8.4.5 tclsh8.4.4 tclsh8.4.3 tclsh8.4.2 tclsh8.4.1 tclsh8.4.0 tclsh8.3 tclsh8.3.5 tclsh8.3.4 tclsh8.3.3 tclsh8.3.2 tclsh8.3.1 tclsh8.3.0 tclsh
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_TCLSH+set}" = set; then
  echo $ECHO_N "(cached) $ECHO_C" >&6
else
  case $TCLSH in
  [\\/]* | ?:[\\/]*)
  ac_cv_path_TCLSH="$TCLSH" # 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_TCLSH="$as_dir/$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
TCLSH=$ac_cv_path_TCLSH
if test -n "$TCLSH"; then
  { echo "$as_me:$LINENO: result: $TCLSH" >&5
echo "${ECHO_T}$TCLSH" >&6; }
else
  { echo "$as_me:$LINENO: result: no" >&5
echo "${ECHO_T}no" >&6; }
fi


  test -n "$TCLSH" && break
done

  if test x"${TCLSH}" = x ; then
    ac_cv_path_tclsh='';
  else
    ac_cv_path_tclsh="${TCLSH}";
  fi
else
  { echo "$as_me:$LINENO: result: ${ac_cv_path_tclsh}" >&5
echo "${ECHO_T}${ac_cv_path_tclsh}" >&6; }
  TCLSH="${ac_cv_path_tclsh}"

fi

fi

# Extract the first word of "zip", so it can be a program name with args.
set dummy zip; 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_ZIP+set}" = set; then
  echo $ECHO_N "(cached) $ECHO_C" >&6
else
  case $ZIP in
  [\\/]* | ?:[\\/]*)
  ac_cv_path_ZIP="$ZIP" # 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_ZIP="$as_dir/$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 "$ac_cv_path_ZIP" && ac_cv_path_ZIP="echo "Skipped: zip not found""
  ;;
esac
fi
ZIP=$ac_cv_path_ZIP
if test -n "$ZIP"; then
  { echo "$as_me:$LINENO: result: $ZIP" >&5
echo "${ECHO_T}$ZIP" >&6; }
else
  { echo "$as_me:$LINENO: result: no" >&5
echo "${ECHO_T}no" >&6; }
fi



{ echo "$as_me:$LINENO: checking for compiler -Wl,-R<path> option" >&5
echo $ECHO_N "checking for compiler -Wl,-R<path> option... $ECHO_C" >&6; }
if test "${llvm_cv_link_use_r+set}" = set; then
  echo $ECHO_N "(cached) $ECHO_C" >&6
else
   ac_ext=c
ac_cpp='$CPP $CPPFLAGS'
ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
ac_compiler_gnu=$ac_cv_c_compiler_gnu

  oldcflags="$CFLAGS"
  CFLAGS="$CFLAGS -Wl,-R."
  cat >conftest.$ac_ext <<_ACEOF
/* confdefs.h.  */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h.  */

int
main ()
{
int main() { return 0; }
  ;
  return 0;
}
_ACEOF
rm -f conftest.$ac_objext conftest$ac_exeext
if { (ac_try="$ac_link"
case "(($ac_try" in
  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
  *) ac_try_echo=$ac_try;;
esac
eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
  (eval "$ac_link") 2>conftest.er1
  ac_status=$?
  grep -v '^ *+' conftest.er1 >conftest.err
  rm -f conftest.er1
  cat conftest.err >&5
  echo "$as_me:$LINENO: \$? = $ac_status" >&5
  (exit $ac_status); } &&
	 { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
  { (case "(($ac_try" in
  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
  *) ac_try_echo=$ac_try;;
esac
eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
  (eval "$ac_try") 2>&5
  ac_status=$?
  echo "$as_me:$LINENO: \$? = $ac_status" >&5
  (exit $ac_status); }; } &&
	 { ac_try='test -s conftest$ac_exeext'
  { (case "(($ac_try" in
  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
  *) ac_try_echo=$ac_try;;
esac
eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
  (eval "$ac_try") 2>&5
  ac_status=$?
  echo "$as_me:$LINENO: \$? = $ac_status" >&5
  (exit $ac_status); }; }; then
  llvm_cv_link_use_r=yes
else
  echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5

	llvm_cv_link_use_r=no
fi

rm -f core conftest.err conftest.$ac_objext \
      conftest$ac_exeext conftest.$ac_ext
  CFLAGS="$oldcflags"
  ac_ext=c
ac_cpp='$CPP $CPPFLAGS'
ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
ac_compiler_gnu=$ac_cv_c_compiler_gnu


fi
{ echo "$as_me:$LINENO: result: $llvm_cv_link_use_r" >&5
echo "${ECHO_T}$llvm_cv_link_use_r" >&6; }
if test "$llvm_cv_link_use_r" = yes ; then

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

  fi




{ echo "$as_me:$LINENO: checking for an ANSI C-conforming const" >&5
echo $ECHO_N "checking for an ANSI C-conforming const... $ECHO_C" >&6; }
if test "${ac_cv_c_const+set}" = set; then
  echo $ECHO_N "(cached) $ECHO_C" >&6
else
  cat >conftest.$ac_ext <<_ACEOF
/* confdefs.h.  */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h.  */

int
main ()
{
/* FIXME: Include the comments suggested by Paul. */
#ifndef __cplusplus
  /* Ultrix mips cc rejects this.  */
  typedef int charset[2];
  const charset x;
  /* SunOS 4.1.1 cc rejects this.  */
  char const *const *ccp;
  char **p;
  /* NEC SVR4.0.2 mips cc rejects this.  */
  struct point {int x, y;};
  static struct point const zero = {0,0};
  /* AIX XL C 1.02.0.0 rejects this.
     It does not let you subtract one const X* pointer from another in
     an arm of an if-expression whose if-part is not a constant
     expression */
  const char *g = "string";
  ccp = &g + (g ? g-g : 0);
  /* HPUX 7.0 cc rejects these. */
  ++ccp;
  p = (char**) ccp;
  ccp = (char const *const *) p;
  { /* SCO 3.2v4 cc rejects this.  */
    char *t;