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cat >>confdefs.h <<_ACEOF
#define CRAY_STACKSEG_END $ac_func
_ACEOF

    break
fi

  done
fi

{ $as_echo "$as_me:${as_lineno-$LINENO}: checking stack direction for C alloca" >&5
$as_echo_n "checking stack direction for C alloca... " >&6; }
if ${ac_cv_c_stack_direction+:} false; then :
  $as_echo_n "(cached) " >&6
else
  if test "$cross_compiling" = yes; then :
  ac_cv_c_stack_direction=0
else
  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */
$ac_includes_default
int
find_stack_direction ()
{
  static char *addr = 0;
  auto char dummy;
  if (addr == 0)
    {
      addr = &dummy;
      return find_stack_direction ();
    }
  else
    return (&dummy > addr) ? 1 : -1;
}

int
main ()
{
  return find_stack_direction () < 0;
}
_ACEOF
if ac_fn_c_try_run "$LINENO"; then :
  ac_cv_c_stack_direction=1
else
  ac_cv_c_stack_direction=-1
fi
rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
  conftest.$ac_objext conftest.beam conftest.$ac_ext
fi

fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_stack_direction" >&5
$as_echo "$ac_cv_c_stack_direction" >&6; }
cat >>confdefs.h <<_ACEOF
#define STACK_DIRECTION $ac_cv_c_stack_direction
_ACEOF


fi

for ac_func in waitpid wait4 getcwd strdup chown chmod lchmod mknod mkfifo \
    fchmod fstat ftruncate strchr readlink link utime utimes lutimes strftime \
    memmove lchown vsnprintf snprintf vasprintf asprintf setsid strpbrk \
    strlcat strlcpy strtol mallinfo getgroups setgroups geteuid getegid \
    setlocale setmode open64 lseek64 mkstemp64 mtrace va_copy __va_copy \
    seteuid strerror putenv iconv_open locale_charset nl_langinfo getxattr \
    extattr_get_link sigaction sigprocmask setattrlist \
    utimensat
do :
  as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
if eval test \"x\$"$as_ac_var"\" = x"yes"; then :
  cat >>confdefs.h <<_ACEOF
#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
_ACEOF

fi
done


if test x"$ac_cv_func_iconv_open" != x"yes"; then
    ac_fn_c_check_func "$LINENO" "libiconv_open" "ac_cv_func_libiconv_open"
if test "x$ac_cv_func_libiconv_open" = xyes; then :
  ac_cv_func_iconv_open=yes; $as_echo "#define HAVE_ICONV_OPEN 1" >>confdefs.h

fi

fi

for ac_func in getpgrp tcgetpgrp
do :
  as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
if eval test \"x\$"$as_ac_var"\" = x"yes"; then :
  cat >>confdefs.h <<_ACEOF
#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
_ACEOF

fi
done

if test $ac_cv_func_getpgrp = yes; then
    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether getpgrp requires zero arguments" >&5
$as_echo_n "checking whether getpgrp requires zero arguments... " >&6; }
if ${ac_cv_func_getpgrp_void+:} false; then :
  $as_echo_n "(cached) " >&6
else
  # Use it with a single arg.
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */
$ac_includes_default
int
main ()
{
getpgrp (0);
  ;
  return 0;
}
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
  ac_cv_func_getpgrp_void=no
else
  ac_cv_func_getpgrp_void=yes
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext

fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_func_getpgrp_void" >&5
$as_echo "$ac_cv_func_getpgrp_void" >&6; }
if test $ac_cv_func_getpgrp_void = yes; then

$as_echo "#define GETPGRP_VOID 1" >>confdefs.h

fi

fi

# Check whether --enable-iconv-open was given.
if test "${enable_iconv_open+set}" = set; then :
  enableval=$enable_iconv_open;
else
  enable_iconv_open=$ac_cv_func_iconv_open
fi


if test x"$enable_iconv_open" != x"no"; then

$as_echo "#define USE_ICONV_OPEN 1" >>confdefs.h

fi

# Check whether --enable-iconv was given.
if test "${enable_iconv+set}" = set; then :
  enableval=$enable_iconv;
else
  enable_iconv=$enable_iconv_open
fi


if test x"$enable_iconv" != x"no"; then
	if test x"$enable_iconv" = x"yes"; then
		$as_echo "#define ICONV_OPTION NULL" >>confdefs.h

	else
		cat >>confdefs.h <<_ACEOF
#define ICONV_OPTION "$enable_iconv"
_ACEOF

	fi

$as_echo "#define UTF8_CHARSET \"UTF-8\"" >>confdefs.h

fi

{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether chown() modifies symlinks" >&5
$as_echo_n "checking whether chown() modifies symlinks... " >&6; }
if ${rsync_cv_chown_modifies_symlink+:} false; then :
  $as_echo_n "(cached) " >&6
else

  if test "$cross_compiling" = yes; then :
  rsync_cv_chown_modifies_symlink=no
else
  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

#if HAVE_UNISTD_H
# include <unistd.h>
#endif
#include <stdlib.h>
#include <errno.h>
    main() {
	char const *dangling_symlink = "conftest.dangle";
	unlink(dangling_symlink);
	if (symlink("conftest.no-such", dangling_symlink) < 0) abort();
	if (chown(dangling_symlink, getuid(), getgid()) < 0 && errno == ENOENT) exit(1);
	exit(0);
    }
_ACEOF
if ac_fn_c_try_run "$LINENO"; then :
  rsync_cv_chown_modifies_symlink=yes
else
  rsync_cv_chown_modifies_symlink=no
fi
rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
  conftest.$ac_objext conftest.beam conftest.$ac_ext
fi

fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $rsync_cv_chown_modifies_symlink" >&5
$as_echo "$rsync_cv_chown_modifies_symlink" >&6; }
if test $rsync_cv_chown_modifies_symlink = yes; then

$as_echo "#define CHOWN_MODIFIES_SYMLINK 1" >>confdefs.h

fi

{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether link() can hard-link symlinks" >&5
$as_echo_n "checking whether link() can hard-link symlinks... " >&6; }
if ${rsync_cv_can_hardlink_symlink+:} false; then :
  $as_echo_n "(cached) " >&6
else

  if test "$cross_compiling" = yes; then :
  rsync_cv_can_hardlink_symlink=no
else
  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

#if HAVE_UNISTD_H
# include <unistd.h>
#endif
#include <stdlib.h>
#include <errno.h>
#define FILENAME "conftest.dangle"
    main() {
	unlink(FILENAME);
	if (symlink("conftest.no-such", FILENAME) < 0) abort();
	if (link(FILENAME, FILENAME "2") < 0) exit(1);
	exit(0);
    }
_ACEOF
if ac_fn_c_try_run "$LINENO"; then :
  rsync_cv_can_hardlink_symlink=yes
else
  rsync_cv_can_hardlink_symlink=no
fi
rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
  conftest.$ac_objext conftest.beam conftest.$ac_ext
fi

fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $rsync_cv_can_hardlink_symlink" >&5
$as_echo "$rsync_cv_can_hardlink_symlink" >&6; }
if test $rsync_cv_can_hardlink_symlink = yes; then

$as_echo "#define CAN_HARDLINK_SYMLINK 1" >>confdefs.h

fi

{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether link() can hard-link special files" >&5
$as_echo_n "checking whether link() can hard-link special files... " >&6; }
if ${rsync_cv_can_hardlink_special+:} false; then :
  $as_echo_n "(cached) " >&6
else

  if test "$cross_compiling" = yes; then :
  rsync_cv_can_hardlink_special=no
else
  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */