configure

  echo "$as_me:$LINENO: \$? = $ac_status" >&5
  (exit $ac_status); }; }; then
  ac_cv_lib_z_compress2=yes
else
  echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5

	ac_cv_lib_z_compress2=no
fi

rm -f core conftest.err conftest.$ac_objext \
      conftest$ac_exeext conftest.$ac_ext
LIBS=$ac_check_lib_save_LIBS
fi
{ echo "$as_me:$LINENO: result: $ac_cv_lib_z_compress2" >&5
echo "${ECHO_T}$ac_cv_lib_z_compress2" >&6; }
if test $ac_cv_lib_z_compress2 = yes; then
  cat >>confdefs.h <<_ACEOF
#define HAVE_LIBZ 1
_ACEOF

  LIBS="-lz $LIBS"

fi

fi


# Check whether --with-oprofile was given.
if test "${with_oprofile+set}" = set; then
  withval=$with_oprofile;
      USE_OPROFILE=1

      case "$withval" in
        /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
        no) llvm_cv_oppath=
            USE_OPROFILE=0
 ;;
        *) llvm_cv_oppath="${withval}/lib/oprofile"
           CPPFLAGS="-I${withval}/include";;
      esac
      case $llvm_cv_os_type in
        Linux)
          if test -n "$llvm_cv_oppath" ; then
            LIBS="$LIBS -lopagent -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
                                                            { echo "$as_me:$LINENO: checking for library containing bfd_init" >&5
echo $ECHO_N "checking for library containing bfd_init... $ECHO_C" >&6; }
if test "${ac_cv_search_bfd_init+set}" = set; then
  echo $ECHO_N "(cached) $ECHO_C" >&6
else
  ac_func_search_save_LIBS=$LIBS
cat >conftest.$ac_ext <<_ACEOF
/* confdefs.h.  */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h.  */

/* Override any GCC internal prototype to avoid an error.
   Use char because int might match the return type of a GCC
   builtin and then its argument prototype would still apply.  */
#ifdef __cplusplus
extern "C"
#endif
char bfd_init ();
int
main ()
{
return bfd_init ();
  ;
  return 0;
}
_ACEOF
for ac_lib in '' bfd; do
  if test -z "$ac_lib"; then
    ac_res="none required"
  else
    ac_res=-l$ac_lib
    LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
  fi
  rm -f conftest.$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 $ac_status); }; }; then
  ac_cv_search_bfd_init=$ac_res
else
  echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5


fi

rm -f core conftest.err conftest.$ac_objext \
      conftest$ac_exeext
  if test "${ac_cv_search_bfd_init+set}" = set; then
  break
fi
done
if test "${ac_cv_search_bfd_init+set}" = set; then
  :
else
  ac_cv_search_bfd_init=no
fi
rm conftest.$ac_ext
LIBS=$ac_func_search_save_LIBS
fi
{ echo "$as_me:$LINENO: result: $ac_cv_search_bfd_init" >&5
echo "${ECHO_T}$ac_cv_search_bfd_init" >&6; }
ac_res=$ac_cv_search_bfd_init
if test "$ac_res" != no; then
  test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"

fi

            { echo "$as_me:$LINENO: checking for library containing op_open_agent" >&5
echo $ECHO_N "checking for library containing op_open_agent... $ECHO_C" >&6; }
if test "${ac_cv_search_op_open_agent+set}" = set; then
  echo $ECHO_N "(cached) $ECHO_C" >&6
else
  ac_func_search_save_LIBS=$LIBS
cat >conftest.$ac_ext <<_ACEOF
/* confdefs.h.  */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h.  */

/* Override any GCC internal prototype to avoid an error.
   Use char because int might match the return type of a GCC
   builtin and then its argument prototype would still apply.  */
#ifdef __cplusplus
extern "C"
#endif
char op_open_agent ();
int
main ()
{
return op_open_agent ();
  ;
  return 0;
}
_ACEOF
for ac_lib in '' opagent; do
  if test -z "$ac_lib"; then
    ac_res="none required"
  else
    ac_res=-l$ac_lib
    LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
  fi
  rm -f conftest.$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 $ac_status); }; }; then
  ac_cv_search_op_open_agent=$ac_res
else
  echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5


fi

rm -f core conftest.err conftest.$ac_objext \
      conftest$ac_exeext
  if test "${ac_cv_search_op_open_agent+set}" = set; then
  break
fi
done
if test "${ac_cv_search_op_open_agent+set}" = set; then
  :
else
  ac_cv_search_op_open_agent=no
fi
rm conftest.$ac_ext
LIBS=$ac_func_search_save_LIBS
fi
{ echo "$as_me:$LINENO: result: $ac_cv_search_op_open_agent" >&5
echo "${ECHO_T}$ac_cv_search_op_open_agent" >&6; }
ac_res=$ac_cv_search_op_open_agent
if test "$ac_res" != no; then
  test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"

else

              echo "Error! You need to have libopagent around."
              exit 1

fi

            if test "${ac_cv_header_opagent_h+set}" = set; then
  { echo "$as_me:$LINENO: checking for opagent.h" >&5
echo $ECHO_N "checking for opagent.h... $ECHO_C" >&6; }
if test "${ac_cv_header_opagent_h+set}" = set; then
  echo $ECHO_N "(cached) $ECHO_C" >&6
fi
{ echo "$as_me:$LINENO: result: $ac_cv_header_opagent_h" >&5
echo "${ECHO_T}$ac_cv_header_opagent_h" >&6; }
else
  # Is the header compilable?
{ echo "$as_me:$LINENO: checking opagent.h usability" >&5
echo $ECHO_N "checking opagent.h usability... $ECHO_C" >&6; }
cat >conftest.$ac_ext <<_ACEOF
/* confdefs.h.  */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h.  */
$ac_includes_default
#include <opagent.h>
_ACEOF
rm -f conftest.$ac_objext
if { (ac_try="$ac_compile"
case "(($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_compile") 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_objext'
  { (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 $ac_status); }; }; then
  ac_header_compiler=yes
else
  echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5

	ac_header_compiler=no
fi

rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
echo "${ECHO_T}$ac_header_compiler" >&6; }

# Is the header present?
{ echo "$as_me:$LINENO: checking opagent.h presence" >&5
echo $ECHO_N "checking opagent.h presence... $ECHO_C" >&6; }
cat >conftest.$ac_ext <<_ACEOF
/* confdefs.h.  */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h.  */
#include <opagent.h>
_ACEOF
if { (ac_try="$ac_cpp conftest.$ac_ext"
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_cpp conftest.$ac_ext") 2>conftest.er1
  ac_status=$?
  grep -v '^ *+' conftest.er1 >conftest.err
  rm -f conftest.er1
  cat conftest.err >&5
  echo "$as_me:$LINENO: \$? = $ac_status" >&5
  (exit $ac_status); } >/dev/null; then
  if test -s conftest.err; then
    ac_cpp_err=$ac_c_preproc_warn_flag
    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
  else
    ac_cpp_err=
  fi
else
  ac_cpp_err=yes
fi
if test -z "$ac_cpp_err"; then
  ac_header_preproc=yes
else
  echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5

  ac_header_preproc=no
fi

rm -f conftest.err conftest.$ac_ext
{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
echo "${ECHO_T}$ac_header_preproc" >&6; }

# So?  What about this header?
case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
  yes:no: )
    { echo "$as_me:$LINENO: WARNING: opagent.h: accepted by the compiler, rejected by the preprocessor!" >&5
echo "$as_me: WARNING: opagent.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
    { echo "$as_me:$LINENO: WARNING: opagent.h: proceeding with the compiler's result" >&5
echo "$as_me: WARNING: opagent.h: proceeding with the compiler's result" >&2;}
    ac_header_preproc=yes
    ;;
  no:yes:* )
    { echo "$as_me:$LINENO: WARNING: opagent.h: present but cannot be compiled" >&5
echo "$as_me: WARNING: opagent.h: present but cannot be compiled" >&2;}
    { echo "$as_me:$LINENO: WARNING: opagent.h:     check for missing prerequisite headers?" >&5
echo "$as_me: WARNING: opagent.h:     check for missing prerequisite headers?" >&2;}
    { echo "$as_me:$LINENO: WARNING: opagent.h: see the Autoconf documentation" >&5
echo "$as_me: WARNING: opagent.h: see the Autoconf documentation" >&2;}
    { echo "$as_me:$LINENO: WARNING: opagent.h:     section \"Present But Cannot Be Compiled\"" >&5
echo "$as_me: WARNING: opagent.h:     section \"Present But Cannot Be Compiled\"" >&2;}
    { echo "$as_me:$LINENO: WARNING: opagent.h: proceeding with the preprocessor's result" >&5
echo "$as_me: WARNING: opagent.h: proceeding with the preprocessor's result" >&2;}
    { echo "$as_me:$LINENO: WARNING: opagent.h: in the future, the compiler will take precedence" >&5
echo "$as_me: WARNING: opagent.h: in the future, the compiler will take precedence" >&2;}
    ( cat <<\_ASBOX
## ------------------------------------ ##
## Report this to http://llvm.org/bugs/ ##
## ------------------------------------ ##
_ASBOX
     ) | sed "s/^/$as_me: WARNING:     /" >&2
    ;;
esac
{ echo "$as_me:$LINENO: checking for opagent.h" >&5
echo $ECHO_N "checking for opagent.h... $ECHO_C" >&6; }
if test "${ac_cv_header_opagent_h+set}" = set; then
  echo $ECHO_N "(cached) $ECHO_C" >&6
else
  ac_cv_header_opagent_h=$ac_header_preproc
fi
{ echo "$as_me:$LINENO: result: $ac_cv_header_opagent_h" >&5
echo "${ECHO_T}$ac_cv_header_opagent_h" >&6; }

fi
if test $ac_cv_header_opagent_h = yes; then
  :
else

              echo "Error! You need to have opagent.h around."
              exit 1

fi


          fi ;;
        *)
          { { echo "$as_me:$LINENO: error: OProfile support is available on Linux only." >&5
echo "$as_me: error: OProfile support is available on Linux only." >&2;}
   { (exit 1); exit 1; }; } ;;
      esac

else

      USE_OPROFILE=0


fi


cat >>confdefs.h <<_ACEOF
#define LLVM_USE_OPROFILE $USE_OPROFILE
_ACEOF



# Check whether --with-intel-jitevents was given.
if test "${with_intel_jitevents+set}" = set; then
  withval=$with_intel_jitevents;
       case "$withval" in
          yes) USE_INTEL_JITEVENTS=1
;;
          no)  USE_INTEL_JITEVENTS=0
;;
          *) { { echo "$as_me:$LINENO: error: Invalid setting for --with-intel-jitevents. Use \"yes\" or \"no\"" >&5
echo "$as_me: error: Invalid setting for --with-intel-jitevents. Use \"yes\" or \"no\"" >&2;}
   { (exit 1); exit 1; }; };;
       esac

      case $llvm_cv_os_type in
        Linux|Win32|Cygwin|MingW) ;;
        *) { { echo "$as_me:$LINENO: error: Intel JIT API support is available on Linux and Windows only." >&5
echo "$as_me: error: Intel JIT API support is available on Linux and Windows only." >&2;}
   { (exit 1); exit 1; }; };;
      esac

      case "$llvm_cv_target_arch" in
        x86|x86_64) ;;
        *) { { echo "$as_me:$LINENO: error: Target architecture $llvm_cv_target_arch does not support Intel JIT Events API." >&5
echo "$as_me: error: Target architecture $llvm_cv_target_arch does not support Intel JIT Events API." >&2;}
   { (exit 1); exit 1; }; };;
      esac

else

      USE_INTEL_JITEVENTS=0


fi


cat >>confdefs.h <<_ACEOF
#define LLVM_USE_INTEL_JITEVENTS $USE_INTEL_JITEVENTS
_ACEOF


for ac_prog in xml2-config
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_prog_XML2CONFIG+set}" = set; then
  echo $ECHO_N "(cached) $ECHO_C" >&6
else
  if test -n "$XML2CONFIG"; then
  ac_cv_prog_XML2CONFIG="$XML2CONFIG" # Let the user override the test.
else
as_save_IFS=$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_XML2CONFIG="$ac_prog"
    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
    break 2
  fi
done
done
IFS=$as_save_IFS

fi
fi
XML2CONFIG=$ac_cv_prog_XML2CONFIG
if test -n "$XML2CONFIG"; then
  { echo "$as_me:$LINENO: result: $XML2CONFIG" >&5
echo "${ECHO_T}$XML2CONFIG" >&6; }
else
  { echo "$as_me:$LINENO: result: no" >&5
echo "${ECHO_T}no" >&6; }
fi


  test -n "$XML2CONFIG" && break
done


{ echo "$as_me:$LINENO: checking for libxml2 includes" >&5
echo $ECHO_N "checking for libxml2 includes... $ECHO_C" >&6; }
if test "x$XML2CONFIG" = "x"; then
 { echo "$as_me:$LINENO: result: xml2-config not found" >&5
echo "${ECHO_T}xml2-config not found" >&6; }
else
 LIBXML2_INC=`$XML2CONFIG --cflags`
 { echo "$as_me:$LINENO: result: $LIBXML2_INC" >&5
echo "${ECHO_T}$LIBXML2_INC" >&6; }
 { echo "$as_me:$LINENO: checking for xmlReadFile in -lxml2" >&5
echo $ECHO_N "checking for xmlReadFile in -lxml2... $ECHO_C" >&6; }
if test "${ac_cv_lib_xml2_xmlReadFile+set}" = set; then
  echo $ECHO_N "(cached) $ECHO_C" >&6
else
  ac_check_lib_save_LIBS=$LIBS
LIBS="-lxml2  $LIBS"
cat >conftest.$ac_ext <<_ACEOF
/* confdefs.h.  */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h.  */

/* Override any GCC internal prototype to avoid an error.
   Use char because int might match the return type of a GCC
   builtin and then its argument prototype would still apply.  */
#ifdef __cplusplus
extern "C"
#endif
char xmlReadFile ();
int
main ()
{
return xmlReadFile ();
  ;
  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 $ac_status); }; }; then
  ac_cv_lib_xml2_xmlReadFile=yes
else
  echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5

	ac_cv_lib_xml2_xmlReadFile=no
fi

rm -f core conftest.err conftest.$ac_objext \
      conftest$ac_exeext conftest.$ac_ext
LIBS=$ac_check_lib_save_LIBS
fi
{ echo "$as_me:$LINENO: result: $ac_cv_lib_xml2_xmlReadFile" >&5
echo "${ECHO_T}$ac_cv_lib_xml2_xmlReadFile" >&6; }
if test $ac_cv_lib_xml2_xmlReadFile = yes; then

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

                                LIBXML2_LIBS="-lxml2"
fi

fi









ac_header_dirent=no
for ac_hdr in dirent.h sys/ndir.h sys/dir.h ndir.h; do
  as_ac_Header=`echo "ac_cv_header_dirent_$ac_hdr" | $as_tr_sh`
{ echo "$as_me:$LINENO: checking for $ac_hdr that defines DIR" >&5
echo $ECHO_N "checking for $ac_hdr that defines DIR... $ECHO_C" >&6; }
if { as_var=$as_ac_Header; eval "test \"\${$as_var+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.  */
#include <sys/types.h>
#include <$ac_hdr>

int
main ()
{
if ((DIR *) 0)
return 0;
  ;
  return 0;
}
_ACEOF
rm -f conftest.$ac_objext
if { (ac_try="$ac_compile"
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_compile") 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_objext'
  { (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 $ac_status); }; }; then
  eval "$as_ac_Header=yes"
else
  echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5

	eval "$as_ac_Header=no"
fi

rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
fi
ac_res=`eval echo '${'$as_ac_Header'}'`
	       { echo "$as_me:$LINENO: result: $ac_res" >&5
echo "${ECHO_T}$ac_res" >&6; }
if test `eval echo '${'$as_ac_Header'}'` = yes; then
  cat >>confdefs.h <<_ACEOF
#define `echo "HAVE_$ac_hdr" | $as_tr_cpp` 1
_ACEOF

ac_header_dirent=$ac_hdr; break
fi

done
# Two versions of opendir et al. are in -ldir and -lx on SCO Xenix.
if test $ac_header_dirent = dirent.h; then
  { echo "$as_me:$LINENO: checking for library containing opendir" >&5
echo $ECHO_N "checking for library containing opendir... $ECHO_C" >&6; }
if test "${ac_cv_search_opendir+set}" = set; then
  echo $ECHO_N "(cached) $ECHO_C" >&6
else
  ac_func_search_save_LIBS=$LIBS
cat >conftest.$ac_ext <<_ACEOF
/* confdefs.h.  */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h.  */

/* Override any GCC internal prototype to avoid an error.
   Use char because int might match the return type of a GCC
   builtin and then its argument prototype would still apply.  */
#ifdef __cplusplus
extern "C"
#endif
char opendir ();
int
main ()
{
return opendir ();
  ;
  return 0;
}
_ACEOF
for ac_lib in '' dir; do
  if test -z "$ac_lib"; then
    ac_res="none required"
  else
    ac_res=-l$ac_lib
    LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
  fi
  rm -f conftest.$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 $ac_status); }; }; then
  ac_cv_search_opendir=$ac_res
else
  echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5


fi

rm -f core conftest.err conftest.$ac_objext \
      conftest$ac_exeext
  if test "${ac_cv_search_opendir+set}" = set; then
  break
fi
done
if test "${ac_cv_search_opendir+set}" = set; then
  :
else
  ac_cv_search_opendir=no
fi
rm conftest.$ac_ext
LIBS=$ac_func_search_save_LIBS
fi
{ echo "$as_me:$LINENO: result: $ac_cv_search_opendir" >&5
echo "${ECHO_T}$ac_cv_search_opendir" >&6; }
ac_res=$ac_cv_search_opendir
if test "$ac_res" != no; then
  test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"

fi

else
  { echo "$as_me:$LINENO: checking for library containing opendir" >&5
echo $ECHO_N "checking for library containing opendir... $ECHO_C" >&6; }
if test "${ac_cv_search_opendir+set}" = set; then
  echo $ECHO_N "(cached) $ECHO_C" >&6
else
  ac_func_search_save_LIBS=$LIBS
cat >conftest.$ac_ext <<_ACEOF
/* confdefs.h.  */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h.  */

/* Override any GCC internal prototype to avoid an error.
   Use char because int might match the return type of a GCC
   builtin and then its argument prototype would still apply.  */
#ifdef __cplusplus
extern "C"
#endif
char opendir ();
int
main ()
{
return opendir ();
  ;
  return 0;
}
_ACEOF
for ac_lib in '' x; do
  if test -z "$ac_lib"; then
    ac_res="none required"
  else
    ac_res=-l$ac_lib
    LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
  fi
  rm -f conftest.$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 $ac_status); }; }; then
  ac_cv_search_opendir=$ac_res
else
  echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5


fi

rm -f core conftest.err conftest.$ac_objext \
      conftest$ac_exeext
  if test "${ac_cv_search_opendir+set}" = set; then
  break
fi
done
if test "${ac_cv_search_opendir+set}" = set; then
  :
else
  ac_cv_search_opendir=no
fi
rm conftest.$ac_ext
LIBS=$ac_func_search_save_LIBS
fi
{ echo "$as_me:$LINENO: result: $ac_cv_search_opendir" >&5
echo "${ECHO_T}$ac_cv_search_opendir" >&6; }
ac_res=$ac_cv_search_opendir
if test "$ac_res" != no; then
  test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"

fi

fi

{ echo "$as_me:$LINENO: checking for MAP_ANONYMOUS vs. MAP_ANON" >&5
echo $ECHO_N "checking for MAP_ANONYMOUS vs. MAP_ANON... $ECHO_C" >&6; }
if test "${ac_cv_header_mmap_anon+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

  cat >conftest.$ac_ext <<_ACEOF
/* confdefs.h.  */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h.  */
#include <sys/mman.h>
#include <unistd.h>
#include <fcntl.h>
int
main ()
{
mmap (0, 1, PROT_READ, MAP_ANONYMOUS, -1, 0); return (0);
  ;
  return 0;
}
_ACEOF
rm -f conftest.$ac_objext
if { (ac_try="$ac_compile"
case "(($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_compile") 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_objext'
  { (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 $ac_status); }; }; then
  ac_cv_header_mmap_anon=yes
else
  echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5

	ac_cv_header_mmap_anon=no
fi

rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
  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: $ac_cv_header_mmap_anon" >&5
echo "${ECHO_T}$ac_cv_header_mmap_anon" >&6; }
if test "$ac_cv_header_mmap_anon" = yes; then

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

fi

{ echo "$as_me:$LINENO: checking whether stat file-mode macros are broken" >&5
echo $ECHO_N "checking whether stat file-mode macros are broken... $ECHO_C" >&6; }
if test "${ac_cv_header_stat_broken+set}" = set; then
  echo $ECHO_N "(cached) $ECHO_C" >&6
else