configure

/* end confdefs.h.  */


int
main ()
{
return main ();
  ;
  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 $ac_status); } && {
	 test -z "$ac_c_werror_flag" ||
	 test ! -s conftest.err
       } && test -s conftest$ac_exeext &&
       $as_test_x conftest$ac_exeext; then
  ac_cv_lib_imagehlp_main=yes
else
  echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5

	ac_cv_lib_imagehlp_main=no
fi

rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
      conftest$ac_exeext conftest.$ac_ext
LIBS=$ac_check_lib_save_LIBS
fi
{ echo "$as_me:$LINENO: result: $ac_cv_lib_imagehlp_main" >&5
echo "${ECHO_T}$ac_cv_lib_imagehlp_main" >&6; }
if test $ac_cv_lib_imagehlp_main = yes; then
  cat >>confdefs.h <<_ACEOF
#define HAVE_LIBIMAGEHLP 1
_ACEOF

  LIBS="-limagehlp $LIBS"

fi


{ echo "$as_me:$LINENO: checking for main in -lpsapi" >&5
echo $ECHO_N "checking for main in -lpsapi... $ECHO_C" >&6; }
if test "${ac_cv_lib_psapi_main+set}" = set; then
  echo $ECHO_N "(cached) $ECHO_C" >&6
else
  ac_check_lib_save_LIBS=$LIBS
LIBS="-lpsapi  $LIBS"
cat >conftest.$ac_ext <<_ACEOF
/* confdefs.h.  */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h.  */


int
main ()
{
return main ();
  ;
  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 $ac_status); } && {
	 test -z "$ac_c_werror_flag" ||
	 test ! -s conftest.err
       } && test -s conftest$ac_exeext &&
       $as_test_x conftest$ac_exeext; then
  ac_cv_lib_psapi_main=yes
else
  echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5

	ac_cv_lib_psapi_main=no
fi

rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
      conftest$ac_exeext conftest.$ac_ext
LIBS=$ac_check_lib_save_LIBS
fi
{ echo "$as_me:$LINENO: result: $ac_cv_lib_psapi_main" >&5
echo "${ECHO_T}$ac_cv_lib_psapi_main" >&6; }
if test $ac_cv_lib_psapi_main = yes; then
  cat >>confdefs.h <<_ACEOF
#define HAVE_LIBPSAPI 1
_ACEOF

  LIBS="-lpsapi $LIBS"

fi

fi

{ echo "$as_me:$LINENO: checking for library containing dlopen" >&5
echo $ECHO_N "checking for library containing dlopen... $ECHO_C" >&6; }
if test "${ac_cv_search_dlopen+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 dlopen ();
int
main ()
{
return dlopen ();
  ;
  return 0;
}
_ACEOF
for ac_lib in '' dl; 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 $ac_status); } && {
	 test -z "$ac_c_werror_flag" ||
	 test ! -s conftest.err
       } && test -s conftest$ac_exeext &&
       $as_test_x conftest$ac_exeext; then
  ac_cv_search_dlopen=$ac_res
else
  echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5


fi

rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
      conftest$ac_exeext
  if test "${ac_cv_search_dlopen+set}" = set; then
  break
fi
done
if test "${ac_cv_search_dlopen+set}" = set; then
  :
else
  ac_cv_search_dlopen=no
fi
rm conftest.$ac_ext
LIBS=$ac_func_search_save_LIBS
fi
{ echo "$as_me:$LINENO: result: $ac_cv_search_dlopen" >&5
echo "${ECHO_T}$ac_cv_search_dlopen" >&6; }
ac_res=$ac_cv_search_dlopen
if test "$ac_res" != no; then
  test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"

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

else
  { echo "$as_me:$LINENO: WARNING: dlopen() not found - disabling plugin support" >&5
echo "$as_me: WARNING: dlopen() not found - disabling plugin support" >&2;}
fi


{ echo "$as_me:$LINENO: checking for library containing ffi_call" >&5
echo $ECHO_N "checking for library containing ffi_call... $ECHO_C" >&6; }
if test "${ac_cv_search_ffi_call+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 ffi_call ();
int
main ()
{
return ffi_call ();
  ;
  return 0;
}
_ACEOF
for ac_lib in '' ffi; 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 $ac_status); } && {
	 test -z "$ac_c_werror_flag" ||
	 test ! -s conftest.err
       } && test -s conftest$ac_exeext &&
       $as_test_x conftest$ac_exeext; then
  ac_cv_search_ffi_call=$ac_res
else
  echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5


fi

rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
      conftest$ac_exeext
  if test "${ac_cv_search_ffi_call+set}" = set; then
  break
fi
done
if test "${ac_cv_search_ffi_call+set}" = set; then
  :
else
  ac_cv_search_ffi_call=no
fi
rm conftest.$ac_ext
LIBS=$ac_func_search_save_LIBS
fi
{ echo "$as_me:$LINENO: result: $ac_cv_search_ffi_call" >&5
echo "${ECHO_T}$ac_cv_search_ffi_call" >&6; }
ac_res=$ac_cv_search_ffi_call
if test "$ac_res" != no; then
  test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"

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

else
  { echo "$as_me:$LINENO: WARNING: libffi not found - disabling external calls from interpreter" >&5
echo "$as_me: WARNING: libffi not found - disabling external calls from interpreter" >&2;}
fi


{ echo "$as_me:$LINENO: checking for library containing mallinfo" >&5
echo $ECHO_N "checking for library containing mallinfo... $ECHO_C" >&6; }
if test "${ac_cv_search_mallinfo+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 mallinfo ();
int
main ()
{
return mallinfo ();
  ;
  return 0;
}
_ACEOF
for ac_lib in '' malloc; 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 $ac_status); } && {
	 test -z "$ac_c_werror_flag" ||
	 test ! -s conftest.err
       } && test -s conftest$ac_exeext &&
       $as_test_x conftest$ac_exeext; then
  ac_cv_search_mallinfo=$ac_res
else
  echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5


fi

rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
      conftest$ac_exeext
  if test "${ac_cv_search_mallinfo+set}" = set; then
  break
fi
done
if test "${ac_cv_search_mallinfo+set}" = set; then
  :
else
  ac_cv_search_mallinfo=no
fi
rm conftest.$ac_ext
LIBS=$ac_func_search_save_LIBS
fi
{ echo "$as_me:$LINENO: result: $ac_cv_search_mallinfo" >&5
echo "${ECHO_T}$ac_cv_search_mallinfo" >&6; }
ac_res=$ac_cv_search_mallinfo
if test "$ac_res" != no; then
  test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"

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

fi


if test "$ENABLE_THREADS" -eq 1 ; then

{ echo "$as_me:$LINENO: checking for pthread_mutex_init in -lpthread" >&5
echo $ECHO_N "checking for pthread_mutex_init in -lpthread... $ECHO_C" >&6; }
if test "${ac_cv_lib_pthread_pthread_mutex_init+set}" = set; then
  echo $ECHO_N "(cached) $ECHO_C" >&6
else
  ac_check_lib_save_LIBS=$LIBS
LIBS="-lpthread  $LIBS"
cat >conftest.$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 pthread_mutex_init ();
int
main ()
{
return pthread_mutex_init ();
  ;
  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 $ac_status); } && {
	 test -z "$ac_c_werror_flag" ||
	 test ! -s conftest.err
       } && test -s conftest$ac_exeext &&
       $as_test_x conftest$ac_exeext; then
  ac_cv_lib_pthread_pthread_mutex_init=yes
else
  echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5

	ac_cv_lib_pthread_pthread_mutex_init=no
fi

rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
      conftest$ac_exeext conftest.$ac_ext
LIBS=$ac_check_lib_save_LIBS
fi
{ echo "$as_me:$LINENO: result: $ac_cv_lib_pthread_pthread_mutex_init" >&5
echo "${ECHO_T}$ac_cv_lib_pthread_pthread_mutex_init" >&6; }
if test $ac_cv_lib_pthread_pthread_mutex_init = yes; then
  cat >>confdefs.h <<_ACEOF
#define HAVE_LIBPTHREAD 1
_ACEOF

  LIBS="-lpthread $LIBS"

fi

  { echo "$as_me:$LINENO: checking for library containing pthread_mutex_lock" >&5
echo $ECHO_N "checking for library containing pthread_mutex_lock... $ECHO_C" >&6; }
if test "${ac_cv_search_pthread_mutex_lock+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 pthread_mutex_lock ();
int
main ()
{
return pthread_mutex_lock ();
  ;
  return 0;
}
_ACEOF
for ac_lib in '' pthread; 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 $ac_status); } && {
	 test -z "$ac_c_werror_flag" ||
	 test ! -s conftest.err
       } && test -s conftest$ac_exeext &&
       $as_test_x conftest$ac_exeext; then
  ac_cv_search_pthread_mutex_lock=$ac_res
else
  echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5


fi

rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
      conftest$ac_exeext
  if test "${ac_cv_search_pthread_mutex_lock+set}" = set; then
  break
fi
done
if test "${ac_cv_search_pthread_mutex_lock+set}" = set; then
  :
else
  ac_cv_search_pthread_mutex_lock=no
fi
rm conftest.$ac_ext
LIBS=$ac_func_search_save_LIBS
fi
{ echo "$as_me:$LINENO: result: $ac_cv_search_pthread_mutex_lock" >&5
echo "${ECHO_T}$ac_cv_search_pthread_mutex_lock" >&6; }
ac_res=$ac_cv_search_pthread_mutex_lock
if test "$ac_res" != no; then
  test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"

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

fi

fi


# Check whether --with-udis86 was given.
if test "${with_udis86+set}" = set; then
  withval=$with_udis86;
      USE_UDIS86=1

      case "$withval" in
        /usr/lib|yes) ;;
        *) LDFLAGS="$LDFLAGS -L${withval}" ;;
      esac

{ echo "$as_me:$LINENO: checking for ud_init in -ludis86" >&5
echo $ECHO_N "checking for ud_init in -ludis86... $ECHO_C" >&6; }
if test "${ac_cv_lib_udis86_ud_init+set}" = set; then
  echo $ECHO_N "(cached) $ECHO_C" >&6
else
  ac_check_lib_save_LIBS=$LIBS
LIBS="-ludis86  $LIBS"
cat >conftest.$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 ud_init ();
int
main ()
{
return ud_init ();
  ;
  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 $ac_status); } && {
	 test -z "$ac_c_werror_flag" ||
	 test ! -s conftest.err
       } && test -s conftest$ac_exeext &&
       $as_test_x conftest$ac_exeext; then
  ac_cv_lib_udis86_ud_init=yes
else
  echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5

	ac_cv_lib_udis86_ud_init=no
fi

rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
      conftest$ac_exeext conftest.$ac_ext
LIBS=$ac_check_lib_save_LIBS
fi
{ echo "$as_me:$LINENO: result: $ac_cv_lib_udis86_ud_init" >&5
echo "${ECHO_T}$ac_cv_lib_udis86_ud_init" >&6; }
if test $ac_cv_lib_udis86_ud_init = yes; then
  cat >>confdefs.h <<_ACEOF
#define HAVE_LIBUDIS86 1
_ACEOF

  LIBS="-ludis86 $LIBS"

else

        echo "Error! You need to have libudis86 around."
        exit -1

fi


else
  USE_UDIS86=0

fi


cat >>confdefs.h <<_ACEOF
#define USE_UDIS86 $USE_UDIS86
_ACEOF








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 $ac_status); } && {
	 test -z "$ac_c_werror_flag" ||
	 test ! -s conftest.err
       } && test -s conftest.$ac_objext; then
  eval "$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 $ac_status); } && {
	 test -z "$ac_c_werror_flag" ||
	 test ! -s conftest.err
       } && test -s conftest$ac_exeext &&
       $as_test_x conftest$ac_exeext; 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.$ac_objext conftest_ipa8_conftest.oo \
      conftest$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 $ac_status); } && {
	 test -z "$ac_c_werror_flag" ||
	 test ! -s conftest.err
       } && test -s conftest$ac_exeext &&
       $as_test_x conftest$ac_exeext; 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.$ac_objext conftest_ipa8_conftest.oo \
      conftest$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 $ac_status); } && {
	 test -z "$ac_c_werror_flag" ||
	 test ! -s conftest.err
       } && test -s conftest.$ac_objext; then
  ac_cv_header_mmap_anon=yes
else
  echo "$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) $ECHO_C" >&6
else
  cat >conftest.$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 <sys/stat.h>

#if defined S_ISBLK && defined S_IFDIR
extern char c1[S_ISBLK (S_IFDIR) ? -1 : 1];
#endif

#if defined S_ISBLK && defined S_IFCHR
extern char c2[S_ISBLK (S_IFCHR) ? -1 : 1];
#endif

#if defined S_ISLNK && defined S_IFREG
extern char c3[S_ISLNK (S_IFREG) ? -1 : 1];
#endif

#if defined S_ISSOCK && defined S_IFREG
extern char c4[S_ISSOCK (S_IFREG) ? -1 : 1];
#endif

_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