.

51 files changed, 2928 insertions, 1396 deletions

diff --git a/Makefile.in b/Makefile.in
index 6736506f9..a343599a0 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -61,9 +61,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/aclocal.m4 b/aclocal.m4
index e73cda315..28812dee9 100644
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -932,6 +932,7 @@ m4_include([m4/diacrit.m4])
 m4_include([m4/dirfd.m4])
 m4_include([m4/dirname.m4])
 m4_include([m4/dos.m4])
+m4_include([m4/double-slash-root.m4])
 m4_include([m4/dup2.m4])
 m4_include([m4/eealloc.m4])
 m4_include([m4/eoverflow.m4])
diff --git a/config.hin b/config.hin
index f79f1970f..ed0620c16 100644
--- a/config.hin
+++ b/config.hin
@@ -54,6 +54,9 @@
 #endif
 
 
+/* Define to 1 if // is a file system root distinct from /. */
+#undef DOUBLE_SLASH_IS_DISTINCT_ROOT
+
 /* Define if there is a member named d_ino in the struct describing directory
    headers. */
 #undef D_INO_IN_DIRENT
@@ -74,12 +77,9 @@
    separator. */
 #undef FILE_SYSTEM_BACKSLASH_IS_FILE_NAME_SEPARATOR
 
-#if FILE_SYSTEM_ACCEPTS_DRIVE_LETTER_PREFIX
-# define FILE_SYSTEM_PREFIX_LEN(Filename) \
-  ((Filename)[0] && (Filename)[1] == ':' ? 2 : 0)
-#else
-# define FILE_SYSTEM_PREFIX_LEN(Filename) 0
-#endif
+/* Define if a drive letter prefix denotes a relative path if it is not
+   followed by a file name component separator. */
+#undef FILE_SYSTEM_DRIVE_PREFIX_CAN_BE_RELATIVE
 
 /* Define to the type of elements in the array set by `getgroups'. Usually
    this is either `int' or `gid_t'. */
diff --git a/configure b/configure
index c0a672a78..2e596edf9 100755
--- a/configure
+++ b/configure
@@ -1,6 +1,6 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.59c for GNU coreutils 5.92.
+# Generated by GNU Autoconf 2.59c for GNU coreutils 6.0-cvs.
 #
 # Report bugs to <bug-coreutils@gnu.org>.
 #
@@ -530,8 +530,8 @@ SHELL=${CONFIG_SHELL-/bin/sh}
 # Identity of this package.
 PACKAGE_NAME='GNU coreutils'
 PACKAGE_TARNAME='coreutils'
-PACKAGE_VERSION='5.92'
-PACKAGE_STRING='GNU coreutils 5.92'
+PACKAGE_VERSION='6.0-cvs'
+PACKAGE_STRING='GNU coreutils 6.0-cvs'
 PACKAGE_BUGREPORT='bug-coreutils@gnu.org'
 
 ac_unique_file="src/ls.c"
@@ -677,6 +677,7 @@ STDBOOL_H
 HAVE__BOOL
 ALLOCA
 ALLOCA_H
+SYS_SOCKET_H
 FNMATCH_H
 NEED_SETGID
 KMEM_GROUP
@@ -690,7 +691,11 @@ LIB_CLOCK_GETTIME
 LIB_GETHRXTIME
 GETOPT_H
 GLIBC21
+HAVE_LONG_64BIT
+HAVE_LONG_LONG_64BIT
+STDINT_H
 LIB_NANOSLEEP
+LIB_ACL
 LIB_FDATASYNC
 SEQ_LIBM
 LIBICONV
@@ -1211,7 +1216,7 @@ if test "$ac_init_help" = "long"; then
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-\`configure' configures GNU coreutils 5.92 to adapt to many kinds of systems.
+\`configure' configures GNU coreutils 6.0-cvs to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1281,7 +1286,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of GNU coreutils 5.92:";;
+     short | recursive ) echo "Configuration of GNU coreutils 6.0-cvs:";;
    esac
   cat <<\_ACEOF
 
@@ -1395,7 +1400,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-GNU coreutils configure 5.92
+GNU coreutils configure 6.0-cvs
 generated by GNU Autoconf 2.59c
 
 Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
@@ -1410,7 +1415,7 @@ cat >&5 <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
-It was created by GNU coreutils $as_me 5.92, which was
+It was created by GNU coreutils $as_me 6.0-cvs, which was
 generated by GNU Autoconf 2.59c.  Invocation command line was
 
   $ $0 $@
@@ -1683,9 +1688,8 @@ gl_header_list="$gl_header_list pwd.h"
 gl_header_list="$gl_header_list utmp.h"
 gl_func_list="$gl_func_list pathconf"
 gl_header_list="$gl_header_list sys/socket.h"
-gl_header_list="$gl_header_list netdb.h"
-gl_header_list="$gl_header_list sys/types.h"
 gl_header_list="$gl_header_list netinet/in.h"
+gl_header_list="$gl_header_list netdb.h"
 gl_func_list="$gl_func_list isascii"
 gl_func_list="$gl_func_list mempcpy"
 gl_header_list="$gl_header_list sys/fs_types.h"
@@ -1696,9 +1700,9 @@ gl_func_list="$gl_func_list tcsetattr"
 gl_func_list="$gl_func_list alarm"
 gl_header_list="$gl_header_list libgen.h"
 gl_header_list="$gl_header_list unistd.h"
-gl_func_list="$gl_func_list gettimeofday"
 gl_func_list="$gl_func_list microuptime"
 gl_func_list="$gl_func_list nanouptime"
+gl_func_list="$gl_func_list gettimeofday"
 gl_func_list="$gl_func_list nanotime"
 gl_header_list="$gl_header_list stddef.h"
 gl_header_list="$gl_header_list stdlib.h"
@@ -1708,6 +1712,7 @@ gl_header_list="$gl_header_list wchar.h"
 gl_header_list="$gl_header_list wctype.h"
 gl_func_list="$gl_func_list iswprint"
 gl_func_list="$gl_func_list mbsinit"
+gl_func_list="$gl_func_list lchmod"
 gl_header_list="$gl_header_list utmpx.h"
 gl_func_list="$gl_func_list utmpname"
 gl_func_list="$gl_func_list utmpxname"
@@ -1726,6 +1731,7 @@ gl_func_list="$gl_func_list mblen"
 gl_func_list="$gl_func_list mbrlen"
 gl_func_list="$gl_func_list tzset"
 gl_func_list="$gl_func_list siginterrupt"
+gl_func_list="$gl_func_list fdopendir"
 gl_func_list="$gl_func_list directio"
 gl_func_list="$gl_func_list endgrent"
 gl_func_list="$gl_func_list endpwent"
@@ -1744,7 +1750,6 @@ gl_func_list="$gl_func_list sysinfo"
 gl_func_list="$gl_func_list tcgetpgrp"
 gl_header_list="$gl_header_list sys/sysmacros.h"
 gl_func_list="$gl_func_list statvfs"
-gl_func_list="$gl_func_list fdopendir"
 # Check that the precious variables saved in the cache have kept the same
 # value.
 ac_cache_corrupted=false
@@ -2239,7 +2244,7 @@ fi
 
 # Define the identity of the package.
  PACKAGE='coreutils'
- VERSION='5.92'
+ VERSION='6.0-cvs'
 
 
 cat >>confdefs.h <<_ACEOF
@@ -4432,7 +4437,63 @@ fi
 
 
 
-  cat >>confdefs.h <<\_ACEOF
+  { echo "$as_me:$LINENO: checking whether it is safe to define __EXTENSIONS__" >&5
+echo $ECHO_N "checking whether it is safe to define __EXTENSIONS__... $ECHO_C" >&6; }
+if test "${ac_cv_safe_to_define___extensions__+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.  */
+
+	  #define __EXTENSIONS__ 1
+	  $ac_includes_default
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&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'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&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'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_cv_safe_to_define___extensions__=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_cv_safe_to_define___extensions__=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_safe_to_define___extensions__" >&5
+echo "${ECHO_T}$ac_cv_safe_to_define___extensions__" >&6; }
+  test $ac_cv_safe_to_define___extensions__ = yes &&
+    cat >>confdefs.h <<\_ACEOF
 #define __EXTENSIONS__ 1
 _ACEOF
 
@@ -4481,495 +4542,126 @@ WARNING: You don't seem to have perl5.003 or newer installed, or you lack
          files if you modify the sources from which they are derived.
  " >&2;}
 
-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
-if test -n "$ac_tool_prefix"; then
-  # Extract the first word of "${ac_tool_prefix}gcc", so it can be a program name with args.
-set dummy ${ac_tool_prefix}gcc; 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_CC+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  if test -n "$CC"; then
-  ac_cv_prog_CC="$CC" # Let the user override the test.
-else
-as_save_IFS=$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_CC="${ac_tool_prefix}gcc"
-    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-done
-
-fi
-fi
-CC=$ac_cv_prog_CC
-if test -n "$CC"; then
-  { echo "$as_me:$LINENO: result: $CC" >&5
-echo "${ECHO_T}$CC" >&6; }
-else
-  { echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6; }
-fi
-
-fi
-if test -z "$ac_cv_prog_CC"; then
-  ac_ct_CC=$CC
-  # Extract the first word of "gcc", so it can be a program name with args.
-set dummy gcc; 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_CC+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  if test -n "$ac_ct_CC"; then
-  ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
-else
-as_save_IFS=$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_CC="gcc"
-    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-done
-
-fi
-fi
-ac_ct_CC=$ac_cv_prog_ac_ct_CC
-if test -n "$ac_ct_CC"; then
-  { echo "$as_me:$LINENO: result: $ac_ct_CC" >&5
-echo "${ECHO_T}$ac_ct_CC" >&6; }
-else
-  { echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6; }
-fi
-
-  if test "x$ac_ct_CC" = x; then
-    CC=""
-  else
-    if test "$build" != "$host"; then
-      { echo "$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;}
-    fi
-    CC=$ac_ct_CC
-  fi
-else
-  CC="$ac_cv_prog_CC"
-fi
-
-if test -z "$CC"; then
-          if test -n "$ac_tool_prefix"; then
-    # Extract the first word of "${ac_tool_prefix}cc", so it can be a program name with args.
-set dummy ${ac_tool_prefix}cc; 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_CC+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  if test -n "$CC"; then
-  ac_cv_prog_CC="$CC" # Let the user override the test.
-else
-as_save_IFS=$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_CC="${ac_tool_prefix}cc"
-    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-done
-
-fi
-fi
-CC=$ac_cv_prog_CC
-if test -n "$CC"; then
-  { echo "$as_me:$LINENO: result: $CC" >&5
-echo "${ECHO_T}$CC" >&6; }
-else
-  { echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6; }
-fi
-
-  fi
-fi
-if test -z "$CC"; then
-  # Extract the first word of "cc", so it can be a program name with args.
-set dummy cc; 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_CC+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  if test -n "$CC"; then
-  ac_cv_prog_CC="$CC" # Let the user override the test.
-else
-  ac_prog_rejected=no
-as_save_IFS=$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
-    if test "$as_dir/$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then
-       ac_prog_rejected=yes
-       continue
-     fi
-    ac_cv_prog_CC="cc"
-    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-done
-
-if test $ac_prog_rejected = yes; then
-  # We found a bogon in the path, so make sure we never use it.
-  set dummy $ac_cv_prog_CC
-  shift
-  if test $# != 0; then
-    # We chose a different compiler from the bogus one.
-    # However, it has the same basename, so the bogon will be chosen
-    # first if we set CC to just the basename; use the full file name.
-    shift
-    ac_cv_prog_CC="$as_dir/$ac_word${1+' '}$@"
-  fi
-fi
-fi
-fi
-CC=$ac_cv_prog_CC
-if test -n "$CC"; then
-  { echo "$as_me:$LINENO: result: $CC" >&5
-echo "${ECHO_T}$CC" >&6; }
-else
-  { echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6; }
-fi
-
-fi
-if test -z "$CC"; then
-  if test -n "$ac_tool_prefix"; then
-  for ac_prog in cl.exe
-  do
-    # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
-set dummy $ac_tool_prefix$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_CC+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  if test -n "$CC"; then
-  ac_cv_prog_CC="$CC" # Let the user override the test.
-else
-as_save_IFS=$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_CC="$ac_tool_prefix$ac_prog"
-    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-done
-
-fi
-fi
-CC=$ac_cv_prog_CC
-if test -n "$CC"; then
-  { echo "$as_me:$LINENO: result: $CC" >&5
-echo "${ECHO_T}$CC" >&6; }
-else
-  { echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6; }
-fi
-
-    test -n "$CC" && break
-  done
-fi
-if test -z "$CC"; then
-  ac_ct_CC=$CC
-  for ac_prog in cl.exe
-do
-  # Extract the first word of "$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_ac_ct_CC+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  if test -n "$ac_ct_CC"; then
-  ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
-else
-as_save_IFS=$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_CC="$ac_prog"
-    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-done
-
-fi
-fi
-ac_ct_CC=$ac_cv_prog_ac_ct_CC
-if test -n "$ac_ct_CC"; then
-  { echo "$as_me:$LINENO: result: $ac_ct_CC" >&5
-echo "${ECHO_T}$ac_ct_CC" >&6; }
-else
-  { echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6; }
-fi
-
-  test -n "$ac_ct_CC" && break
-done
-
-  if test "x$ac_ct_CC" = x; then
-    CC=""
-  else
-    if test "$build" != "$host"; then
-      { 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 "$as_me: WARNING: In the future, Autoconf will not detect cross-tools
-whose name does not start with the host triplet.  If you think this
-configuration is useful to you, please write to autoconf@gnu.org." >&2;}
-    fi
-    CC=$ac_ct_CC
-  fi
-fi
-
-fi
-
-
-test -z "$CC" && { { echo "$as_me:$LINENO: error: no acceptable C compiler found in \$PATH
-See \`config.log' for more details." >&5
-echo "$as_me: error: no acceptable C compiler found in \$PATH
-See \`config.log' for more details." >&2;}
-   { (exit 1); exit 1; }; }
-
-# Provide some information about the compiler.
-echo "$as_me:$LINENO: checking for C compiler version" >&5
-ac_compiler=`set X $ac_compile; echo $2`
-{ (eval echo "$as_me:$LINENO: \"$ac_compiler --version >&5\"") >&5
-  (eval $ac_compiler --version >&5) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }
-{ (eval echo "$as_me:$LINENO: \"$ac_compiler -v >&5\"") >&5
-  (eval $ac_compiler -v >&5) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }
-{ (eval echo "$as_me:$LINENO: \"$ac_compiler -V >&5\"") >&5
-  (eval $ac_compiler -V >&5) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }
-
-{ echo "$as_me:$LINENO: checking whether we are using the GNU C compiler" >&5
-echo $ECHO_N "checking whether we are using the GNU C compiler... $ECHO_C" >&6; }
-if test "${ac_cv_c_compiler_gnu+set}" = set; then
+   { echo "$as_me:$LINENO: checking for $CC option to accept ISO C99" >&5
+echo $ECHO_N "checking for $CC option to accept ISO C99... $ECHO_C" >&6; }
+if test "${ac_cv_prog_cc_c99+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
+  ac_cv_prog_cc_c99=no
+ac_save_CC=$CC
+cat >conftest.$ac_ext <<_ACEOF
 /* confdefs.h.  */
 _ACEOF
 cat confdefs.h >>conftest.$ac_ext
 cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
+#include <stdarg.h>
+#include <stdbool.h>
+#include <stdlib.h>
+#include <wchar.h>
+#include <stdio.h>
 
-int
-main ()
+struct incomplete_array
 {
-#ifndef __GNUC__
-       choke me
-#endif
+  int datasize;
+  double data[];
+};
 
-  ;
+struct named_init {
+  int number;
+  const wchar_t *name;
+  double average;
+};
+
+static inline int
+test_restrict(const char *restrict text)
+{
+  // See if C++-style comments work.
+  // Iterate through items via the restricted pointer.
+  // Also check for declarations in for loops.
+  for (unsigned int i = 0; *(text+i) != '\0'; ++i)
+    continue;
   return 0;
 }
-_ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&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'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&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'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  ac_compiler_gnu=yes
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
 
-ac_compiler_gnu=no
-fi
-rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-ac_cv_c_compiler_gnu=$ac_compiler_gnu
+// Check varargs and va_copy work.
+static void
+test_varargs(const char *format, ...)
+{
+  va_list args;
+  va_start(args, format);
+  va_list args_copy;
+  va_copy(args_copy, args);
 
-fi
-{ echo "$as_me:$LINENO: result: $ac_cv_c_compiler_gnu" >&5
-echo "${ECHO_T}$ac_cv_c_compiler_gnu" >&6; }
-GCC=`test $ac_compiler_gnu = yes && echo yes`
-ac_test_CFLAGS=${CFLAGS+set}
-ac_save_CFLAGS=$CFLAGS
-{ echo "$as_me:$LINENO: checking whether $CC accepts -g" >&5
-echo $ECHO_N "checking whether $CC accepts -g... $ECHO_C" >&6; }
-if test "${ac_cv_prog_cc_g+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  ac_save_c_werror_flag=$ac_c_werror_flag
-   ac_c_werror_flag=yes
-   ac_cv_prog_cc_g=no
-   CFLAGS="-g"
-   cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
+  const char *str;
+  int number;
+  float fnumber;
+
+  while (*format)
+    {
+      switch (*format++)
+	{
+	case 's': // string
+	  str = va_arg(args_copy, const char *);
+	  break;
+	case 'd': // int
+	  number = va_arg(args_copy, int);
+	  break;
+	case 'f': // float
+	  fnumber = (float) va_arg(args_copy, double);
+	  break;
+	default:
+	  break;
+	}
+    }
+  va_end(args_copy);
+  va_end(args);
+}
 
 int
 main ()
 {
 
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&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'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&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'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  ac_cv_prog_cc_g=yes
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
+  // Check bool and long long datatypes.
+  _Bool success = false;
+  long long int bignum = -1234567890LL;
+  unsigned long long int ubignum = 1234567890uLL;
 
-CFLAGS=""
-      cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
+  // Check restrict.
+  if (test_restrict("String literal") != 0)
+    success = true;
+  char *restrict newvar = "Another string";
 
-int
-main ()
-{
+  // Check varargs.
+  test_varargs("s, d' f .", "string", 65, 34.234);
 
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&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'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&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'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  :
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
+  // Check incomplete arrays work.
+  struct incomplete_array *ia =
+    malloc(sizeof(struct incomplete_array) + (sizeof(double) * 10));
+  ia->datasize = 10;
+  for (int i = 0; i < ia->datasize; ++i)
+    ia->data[i] = (double) i * 1.234;
 
-ac_c_werror_flag=$ac_save_c_werror_flag
-	 CFLAGS="-g"
-	 cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
+  // Check named initialisers.
+  struct named_init ni = {
+    .number = 34,
+    .name = L"Test wide string",
+    .average = 543.34343,
+  };
 
-int
-main ()
-{
+  ni.number = 58;
+
+  int dynamic_array[ni.number];
+  dynamic_array[43] = 543;
 
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
+for ac_arg in '' -std=gnu99 -c99 -qlanglvl=extc99
+do
+  CC="$ac_save_CC $ac_arg"
+  rm -f conftest.$ac_objext
 if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>conftest.er1
   ac_status=$?
@@ -4991,37 +4683,36 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
-  ac_cv_prog_cc_g=yes
+  ac_cv_prog_cc_c99=$ac_arg
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
 fi
-rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-   ac_c_werror_flag=$ac_save_c_werror_flag
+rm -f conftest.err conftest.$ac_objext
+  test "x$ac_cv_prog_cc_c99" != "xno" && break
+done
+rm -f conftest.$ac_ext
+CC=$ac_save_CC
+
 fi
-{ echo "$as_me:$LINENO: result: $ac_cv_prog_cc_g" >&5
-echo "${ECHO_T}$ac_cv_prog_cc_g" >&6; }
-if test "$ac_test_CFLAGS" = set; then
-  CFLAGS=$ac_save_CFLAGS
-elif test $ac_cv_prog_cc_g = yes; then
-  if test "$GCC" = yes; then
-    CFLAGS="-g -O2"
-  else
-    CFLAGS="-g"
-  fi
+# AC_CACHE_VAL
+case "x$ac_cv_prog_cc_c99" in
+  x)
+    { echo "$as_me:$LINENO: result: none needed" >&5
+echo "${ECHO_T}none needed" >&6; } ;;
+  xno)
+    { echo "$as_me:$LINENO: result: unsupported" >&5
+echo "${ECHO_T}unsupported" >&6; } ;;
+  *)
+    CC="$CC $ac_cv_prog_cc_c99"
+    { echo "$as_me:$LINENO: result: $ac_cv_prog_cc_c99" >&5
+echo "${ECHO_T}$ac_cv_prog_cc_c99" >&6; } ;;
+esac
+if test "x$ac_cv_prog_cc_c99" != xno; then
+  ac_cv_prog_cc_stdc=$ac_cv_prog_cc_c99
 else
-  if test "$GCC" = yes; then
-    CFLAGS="-O2"
-  else
-    CFLAGS=
-  fi
-fi
-{ echo "$as_me:$LINENO: checking for $CC option to accept ISO C89" >&5
+  { echo "$as_me:$LINENO: checking for $CC option to accept ISO C89" >&5
 echo $ECHO_N "checking for $CC option to accept ISO C89... $ECHO_C" >&6; }
 if test "${ac_cv_prog_cc_c89+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -5132,265 +4823,139 @@ echo "${ECHO_T}unsupported" >&6; } ;;
     { echo "$as_me:$LINENO: result: $ac_cv_prog_cc_c89" >&5
 echo "${ECHO_T}$ac_cv_prog_cc_c89" >&6; } ;;
 esac
+if test "x$ac_cv_prog_cc_c89" != xno; then
+  ac_cv_prog_cc_stdc=$ac_cv_prog_cc_c89
+else
+  no
+fi
 
 
-# Some people use a C++ compiler to compile C.  Since we use `exit',
-# in C++ we need to declare it.  In case someone uses the same compiler
-# for both compiling C and C++ we need to have the C++ compiler decide
-# the declaration of exit, since it's the most demanding environment.
-cat >conftest.$ac_ext <<_ACEOF
-#ifndef __cplusplus
-  choke me
-#endif
-_ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&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'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&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'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  for ac_declaration in \
-   '' \
-   'extern "C" void std::exit (int) throw (); using std::exit;' \
-   'extern "C" void std::exit (int); using std::exit;' \
-   'extern "C" void exit (int) throw ();' \
-   'extern "C" void exit (int);' \
-   'void exit (int);'
-do
+fi
+
+  { echo "$as_me:$LINENO: checking for $CC option to accept ISO Standard C" >&5
+echo $ECHO_N "checking for $CC option to accept ISO Standard C... $ECHO_C" >&6; }
+  if test "${ac_cv_prog_cc_stdc+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+
+  case "x$ac_cv_prog_cc_stdc" in
+    xno)
+      { echo "$as_me:$LINENO: result: unsupported" >&5
+echo "${ECHO_T}unsupported" >&6; }
+      ;;
+    *)
+      if test "x$ac_cv_prog_cc_stdc" = x; then
+        { echo "$as_me:$LINENO: result: none needed" >&5
+echo "${ECHO_T}none needed" >&6; }
+      else
+        { echo "$as_me:$LINENO: result: $ac_cv_prog_cc_stdc" >&5
+echo "${ECHO_T}$ac_cv_prog_cc_stdc" >&6; }
+      fi
+      ;;
+  esac
+
+if test "x$CC" != xcc; then
+  { echo "$as_me:$LINENO: checking whether $CC and cc understand -c and -o together" >&5
+echo $ECHO_N "checking whether $CC and cc understand -c and -o together... $ECHO_C" >&6; }
+else
+  { echo "$as_me:$LINENO: checking whether cc understands -c and -o together" >&5
+echo $ECHO_N "checking whether cc understands -c and -o together... $ECHO_C" >&6; }
+fi
+set dummy $CC; ac_cc=`echo $2 |
+		      sed 's/[^a-zA-Z0-9_]/_/g;s/^[0-9]/_/'`
+if { as_var=ac_cv_prog_cc_${ac_cc}_c_o; 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.  */
-$ac_declaration
-#include <stdlib.h>
+
 int
 main ()
 {
-exit (42);
+
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>conftest.er1
+# Make sure it works both with $CC and with simple cc.
+# We do the test twice because some compilers refuse to overwrite an
+# existing .o file with -o, though they will create one.
+ac_try='$CC -c conftest.$ac_ext -o conftest.$ac_objext >&5'
+if { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
   ac_status=$?
-  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'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+   test -f conftest.$ac_objext && { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&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'
+  (exit $ac_status); };
+then
+  eval ac_cv_prog_cc_${ac_cc}_c_o=yes
+  if test "x$CC" != xcc; then
+    # Test first that cc exists at all.
+    if { ac_try='cc -c conftest.$ac_ext >&5'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
-  :
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-continue
-fi
-rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-$ac_declaration
-int
-main ()
-{
-exit (42);
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&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'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+      ac_try='cc -c conftest.$ac_ext -o conftest.$ac_objext >&5'
+      if { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&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'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (exit $ac_status); } &&
+	 test -f conftest.$ac_objext && { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  break
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-fi
-rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-done
-rm -f conftest*
-if test -n "$ac_declaration"; then
-  echo '#ifdef __cplusplus' >>confdefs.h
-  echo $ac_declaration      >>confdefs.h
-  echo '#endif'             >>confdefs.h
-fi
-
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-fi
-rm -f conftest.err conftest.$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
-
-depcc="$CC"   am_compiler_list=
-
-{ echo "$as_me:$LINENO: checking dependency style of $depcc" >&5
-echo $ECHO_N "checking dependency style of $depcc... $ECHO_C" >&6; }
-if test "${am_cv_CC_dependencies_compiler_type+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then
-  # We make a subdir and do the tests there.  Otherwise we can end up
-  # making bogus files that we don't know about and never remove.  For
-  # instance it was reported that on HP-UX the gcc test will end up
-  # making a dummy file named `D' -- because `-MD' means `put the output
-  # in D'.
-  mkdir conftest.dir
-  # Copy depcomp to subdir because otherwise we won't find it if we're
-  # using a relative directory.
-  cp "$am_depcomp" conftest.dir
-  cd conftest.dir
-  # We will build objects and dependencies in a subdirectory because
-  # it helps to detect inapplicable dependency modes.  For instance
-  # both Tru64's cc and ICC support -MD to output dependencies as a
-  # side effect of compilation, but ICC will put the dependencies in
-  # the current directory while Tru64 will put them in the object
-  # directory.
-  mkdir sub
-
-  am_cv_CC_dependencies_compiler_type=none
-  if test "$am_compiler_list" = ""; then
-     am_compiler_list=`sed -n 's/^#*\([a-zA-Z0-9]*\))$/\1/p' < ./depcomp`
-  fi
-  for depmode in $am_compiler_list; do
-    # Setup a source with many dependencies, because some compilers
-    # like to wrap large dependency lists on column 80 (with \), and
-    # we should not choose a depcomp mode which is confused by this.
-    #
-    # We need to recreate these files for each test, as the compiler may
-    # overwrite some of them when testing with obscure command lines.
-    # This happens at least with the AIX C compiler.
-    : > sub/conftest.c
-    for i in 1 2 3 4 5 6; do
-      echo '#include "conftst'$i'.h"' >> sub/conftest.c
-      # Using `: > sub/conftst$i.h' creates only sub/conftst1.h with
-      # Solaris 8's {/usr,}/bin/sh.
-      touch sub/conftst$i.h
-    done
-    echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf
-
-    case $depmode in
-    nosideeffect)
-      # after this tag, mechanisms are not by side-effect, so they'll
-      # only be used when explicitly requested
-      if test "x$enable_dependency_tracking" = xyes; then
-	continue
+  (exit $ac_status); };
+      then
+	# cc works too.
+	:
       else
-	break
-      fi
-      ;;
-    none) break ;;
-    esac
-    # We check with `-c' and `-o' for the sake of the "dashmstdout"
-    # mode.  It turns out that the SunPro C++ compiler does not properly
-    # handle `-M -o', and we need to detect this.
-    if depmode=$depmode \
-       source=sub/conftest.c object=sub/conftest.${OBJEXT-o} \
-       depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \
-       $SHELL ./depcomp $depcc -c -o sub/conftest.${OBJEXT-o} sub/conftest.c \
-         >/dev/null 2>conftest.err &&
-       grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 &&
-       grep sub/conftest.${OBJEXT-o} sub/conftest.Po > /dev/null 2>&1 &&
-       ${MAKE-make} -s -f confmf > /dev/null 2>&1; then
-      # icc doesn't choke on unknown options, it will just issue warnings
-      # or remarks (even with -Werror).  So we grep stderr for any message
-      # that says an option was ignored or not supported.
-      # When given -MP, icc 7.0 and 7.1 complain thusly:
-      #   icc: Command line warning: ignoring option '-M'; no argument required
-      # The diagnosis changed in icc 8.0:
-      #   icc: Command line remark: option '-MP' not supported
-      if (grep 'ignoring option' conftest.err ||
-          grep 'not supported' conftest.err) >/dev/null 2>&1; then :; else
-        am_cv_CC_dependencies_compiler_type=$depmode
-        break
+	# cc exists but doesn't like -o.
+	eval ac_cv_prog_cc_${ac_cc}_c_o=no
       fi
     fi
-  done
-
-  cd ..
-  rm -rf conftest.dir
+  fi
 else
-  am_cv_CC_dependencies_compiler_type=none
+  eval ac_cv_prog_cc_${ac_cc}_c_o=no
 fi
+rm -f conftest*
 
 fi
-{ echo "$as_me:$LINENO: result: $am_cv_CC_dependencies_compiler_type" >&5
-echo "${ECHO_T}$am_cv_CC_dependencies_compiler_type" >&6; }
-CCDEPMODE=depmode=$am_cv_CC_dependencies_compiler_type
-
+if eval "test \"`echo '$ac_cv_prog_cc_'${ac_cc}_c_o`\" = yes"; then
+  { echo "$as_me:$LINENO: result: yes" >&5
+echo "${ECHO_T}yes" >&6; }
+else
+  { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
 
+cat >>confdefs.h <<\_ACEOF
+#define NO_MINUS_C_MINUS_O 1
+_ACEOF
 
-if
-  test "x$enable_dependency_tracking" != xno \
-  && test "$am_cv_CC_dependencies_compiler_type" = gcc3; then
-  am__fastdepCC_TRUE=
-  am__fastdepCC_FALSE='#'
-else
-  am__fastdepCC_TRUE='#'
-  am__fastdepCC_FALSE=
 fi
 
+# FIXME: we rely on the cache variable name because
+# there is no other way.
+set dummy $CC
+ac_cc=`echo $2 | sed 's/[^a-zA-Z0-9_]/_/g;s/^[0-9]/_/'`
+if eval "test \"`echo '$ac_cv_prog_cc_'${ac_cc}_c_o`\" != yes"; then
+   # Losing compiler, so override with the script.
+   # FIXME: It is wrong to rewrite CC.
+   # But if we don't then we get into trouble of one sort or another.
+   # A longer-term fix would be to have automake use am__CC in this case,
+   # and then we could set am__CC="\$(top_srcdir)/compile \$(CC)"
+   CC="$am_aux_dir/compile $CC"
+fi
 
 ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
@@ -5779,6 +5344,73 @@ echo "${ECHO_T}no, using $LN_S" >&6; }
 fi
 
 
+  { echo "$as_me:$LINENO: checking for flag to ignore unused libraries" >&5
+echo $ECHO_N "checking for flag to ignore unused libraries... $ECHO_C" >&6; }
+if test "${gl_cv_ignore_unused_libraries+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  gl_cv_ignore_unused_libraries=none
+     gl_saved_ldflags=$LDFLAGS
+     # Use long option sequences like '-z ignore' to test for the feature,
+     # to forestall problems with linkers that have -z, -i, -g, -n, etc. flags.
+     for gl_flags in '-Wl,-z,ignore' '-z ignore'; do
+       LDFLAGS="$gl_flags $LDFLAGS"
+       cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&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'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&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'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  gl_cv_ignore_unused_libraries=$gl_flags
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+fi
+rm -f conftest.err conftest.$ac_objext \
+      conftest$ac_exeext conftest.$ac_ext
+       LDFLAGS=$gl_saved_ldflags
+       test "$gl_cv_ignore_unused_libraries" != none && break
+     done
+fi
+{ echo "$as_me:$LINENO: result: $gl_cv_ignore_unused_libraries" >&5
+echo "${ECHO_T}$gl_cv_ignore_unused_libraries" >&6; }
+
+  test "$gl_cv_ignore_unused_libraries" != none &&
+    LDFLAGS="$LDFLAGS $gl_cv_ignore_unused_libraries"
+
+
 
 
 for ac_func in uname
@@ -11431,29 +11063,41 @@ cat >>conftest.$ac_ext <<_ACEOF
 	  _Bool n[m];
 	  char o[sizeof n == m * sizeof n[0] ? 1 : -1];
 	  char p[-1 - (_Bool) 0 < 0 && -1 - (bool) 0 < 0 ? 1 : -1];
-	  #if defined __xlc__ || __GNUC__
+	  #if defined __xlc__ || defined __GNUC__
 	   /* Catch a bug in IBM AIX xlc compiler version 6.0.0.0
 	      reported by James Lemley on 2005-10-05; see
-	      <http://lists.gnu.org/archive/html/bug-coreutils/2005-10/msg00086.html>.
+	      http://lists.gnu.org/archive/html/bug-coreutils/2005-10/msg00086.html
 	      This test is not quite right, since xlc is allowed to
 	      reject this program, as the initializer for xlcbug is
 	      not one of the forms that C requires support for.
 	      However, doing the test right would require a run-time
-	      test, and that would make crosss-compilation harder.
+	      test, and that would make cross-compilation harder.
 	      Let us hope that IBM fixes the xlc bug, and also adds
 	      support for this kind of constant expression.  In the
 	      meantime, this test will reject xlc, which is OK, since
-	      our stdbool.h substitute should suffice.  */
+	      our stdbool.h substitute should suffice.  We also test
+	      this with GCC, where it should work, to detect more
+	      quickly whether someone messes up the test in the
+	      future.  */
 	   char digs[] = "0123456789";
 	   int xlcbug = 1 / (&(digs + 5)[-2 + (bool) 1] == &digs[4] ? 1 : -1);
 	  #endif
+	  /* Catch a bug in an HP-UX C compiler.  See
+	     http://gcc.gnu.org/ml/gcc-patches/2003-12/msg02303.html
+	     http://lists.gnu.org/archive/html/bug-coreutils/2005-11/msg00161.html
+	   */
+	  _Bool q = true;
+	  _Bool *pq = &q;
 
 int
 main ()
 {
 
-	  return (!a + !b + !c + !d + !e + !f + !g + !h + !i + !j + !k + !l
-		  + !m + !n + !o + !p);
+	  *pq |= q;
+	  *pq |= ! q;
+	  /* Refer to every declared value, to avoid compiler optimizations.  */
+	  return (!a + !b + !c + !d + !e + !f + !g + !h + !i + !!j + !k + !!l
+		  + !m + !n + !o + !p + !q + !pq);
 
   ;
   return 0;
@@ -12358,7 +12002,7 @@ if test "${ac_cv_win_or_dos+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
 
-        cat >conftest.$ac_ext <<_ACEOF
+	cat >conftest.$ac_ext <<_ACEOF
 /* confdefs.h.  */
 _ACEOF
 cat confdefs.h >>conftest.$ac_ext
@@ -12413,15 +12057,75 @@ echo "${ECHO_T}$ac_cv_win_or_dos" >&6; }
     if test x"$ac_cv_win_or_dos" = xyes; then
       ac_fs_accepts_drive_letter_prefix=1
       ac_fs_backslash_is_file_name_separator=1
+      { echo "$as_me:$LINENO: checking whether drive letter can start relative path" >&5
+echo $ECHO_N "checking whether drive letter can start relative path... $ECHO_C" >&6; }
+if test "${ac_cv_drive_letter_can_be_relative+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 ()
+{
+#if defined __CYGWIN__
+drive letters are always absolute
+#endif
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&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'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&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'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_cv_drive_letter_can_be_relative=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_cv_drive_letter_can_be_relative=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_drive_letter_can_be_relative" >&5
+echo "${ECHO_T}$ac_cv_drive_letter_can_be_relative" >&6; }
+      if test x"$ac_cv_drive_letter_can_be_relative" = xyes; then
+	ac_fs_drive_letter_can_be_relative=1
+      else
+	ac_fs_drive_letter_can_be_relative=0
+      fi
     else
       ac_fs_accepts_drive_letter_prefix=0
       ac_fs_backslash_is_file_name_separator=0
+      ac_fs_drive_letter_can_be_relative=0
     fi
 
 
-
-
-
 cat >>confdefs.h <<_ACEOF
 #define FILE_SYSTEM_ACCEPTS_DRIVE_LETTER_PREFIX $ac_fs_accepts_drive_letter_prefix
 _ACEOF
@@ -12436,6 +12140,12 @@ cat >>confdefs.h <<_ACEOF
 _ACEOF
 
 
+
+cat >>confdefs.h <<_ACEOF
+#define FILE_SYSTEM_DRIVE_PREFIX_CAN_BE_RELATIVE $ac_fs_drive_letter_can_be_relative
+_ACEOF
+
+
 { echo "$as_me:$LINENO: checking for long file names" >&5
 echo $ECHO_N "checking for long file names... $ECHO_C" >&6; }
 if test "${ac_cv_sys_long_file_names+set}" = set; then
@@ -12935,7 +12645,170 @@ _ACEOF
 
 
 
+  :
+
+
+
+
+
+  if test $ac_cv_header_sys_socket_h = yes; then
+    SYS_SOCKET_H=''
+  else
+
+
+for ac_header in winsock2.h ws2tcpip.h
+do
+as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
+  { echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6; }
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+ac_res=`eval echo '${'$as_ac_Header'}'`
+	       { echo "$as_me:$LINENO: result: $ac_res" >&5
+echo "${ECHO_T}$ac_res" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking $ac_header usability" >&5
+echo $ECHO_N "checking $ac_header 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.  */
+$ac_includes_default
+#include <$ac_header>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&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'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&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'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&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.$ac_ext >&5
+
+ac_header_compiler=no
+fi
+rm -f conftest.err conftest.$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 $ac_header presence" >&5
+echo $ECHO_N "checking $ac_header 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 <$ac_header>
+_ACEOF
+if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&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: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5
+echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: $ac_header:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;}
+    (
+      cat <<\_ASBOX
+## ------------------------------------ ##
+## Report this to bug-coreutils@gnu.org ##
+## ------------------------------------ ##
+_ASBOX
+    ) |
+      sed "s/^/$as_me: WARNING:     /" >&2
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6; }
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  eval "$as_ac_Header=\$ac_header_preproc"
+fi
+ac_res=`eval echo '${'$as_ac_Header'}'`
+	       { echo "$as_me:$LINENO: result: $ac_res" >&5
+echo "${ECHO_T}$ac_res" >&6; }
+
+fi
+if test `eval echo '${'$as_ac_Header'}'` = yes; then
+  cat >>confdefs.h <<_ACEOF
+#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+
+done
 
+    SYS_SOCKET_H='sys/socket.h'
+  fi
 
 
 
@@ -12951,6 +12824,8 @@ _ACEOF
 
 
 
+  { echo "$as_me:$LINENO: checking how to do getaddrinfo" >&5
+echo "$as_me: checking how to do getaddrinfo" >&6;}
 
   { echo "$as_me:$LINENO: checking for library containing getaddrinfo" >&5
 echo $ECHO_N "checking for library containing getaddrinfo... $ECHO_C" >&6; }
@@ -13078,31 +12953,62 @@ if test "$ac_cv_search_getaddrinfo" != no; then
 
 fi
 
-  { echo "$as_me:$LINENO: checking for library containing gethostbyname" >&5
-echo $ECHO_N "checking for library containing gethostbyname... $ECHO_C" >&6; }
-if test "${ac_cv_search_gethostbyname+set}" = set; then
+
+for ac_func in getaddrinfo
+do
+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
+{ echo "$as_me:$LINENO: checking for $ac_func" >&5
+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6; }
+if { as_var=$as_ac_var; eval "test \"\${$as_var+set}\" = set"; }; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  ac_func_search_save_LIBS=$LIBS
-ac_cv_search_gethostbyname=no
-cat >conftest.$ac_ext <<_ACEOF
+  cat >conftest.$ac_ext <<_ACEOF
 /* confdefs.h.  */
 _ACEOF
 cat confdefs.h >>conftest.$ac_ext
 cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
+#define $ac_func innocuous_$ac_func
+
+/* System header to define __stub macros and hopefully few prototypes,
+    which can conflict with char $ac_func (); below.
+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+    <limits.h> exists even on freestanding compilers.  */
+
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+
+#undef $ac_func
 
 /* Override any gcc2 internal prototype to avoid an error.  */
 #ifdef __cplusplus
 extern "C"
+{
 #endif
 /* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */
-char gethostbyname ();
+char $ac_func ();
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
+choke me
+#else
+char (*f) () = $ac_func;
+#endif
+#ifdef __cplusplus
+}
+#endif
+
 int
 main ()
 {
-gethostbyname ();
+return f != $ac_func;
   ;
   return 0;
 }
@@ -13129,35 +13035,163 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
-  ac_cv_search_gethostbyname="none required"
+  eval "$as_ac_var=yes"
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
+eval "$as_ac_var=no"
 fi
 rm -f conftest.err conftest.$ac_objext \
       conftest$ac_exeext conftest.$ac_ext
-if test "$ac_cv_search_gethostbyname" = no; then
-  for ac_lib in inet nsl; do
-    LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
-    cat >conftest.$ac_ext <<_ACEOF
+fi
+ac_res=`eval echo '${'$as_ac_var'}'`
+	       { echo "$as_me:$LINENO: result: $ac_res" >&5
+echo "${ECHO_T}$ac_res" >&6; }
+if test `eval echo '${'$as_ac_var'}'` = yes; then
+  cat >>confdefs.h <<_ACEOF
+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
+_ACEOF
+
+else
+
+    { echo "$as_me:$LINENO: checking for getaddrinfo in ws2tcpip.h and -lws2_32" >&5
+echo $ECHO_N "checking for getaddrinfo in ws2tcpip.h and -lws2_32... $ECHO_C" >&6; }
+if test "${gl_cv_w32_getaddrinfo+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+
+      gl_cv_w32_getaddrinfo=no
+      am_save_LIBS="$LIBS"
+      LIBS="$LIBS -lws2_32"
+      cat >conftest.$ac_ext <<_ACEOF
 /* confdefs.h.  */
 _ACEOF
 cat confdefs.h >>conftest.$ac_ext
 cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
+#ifdef HAVE_WS2TCPIP_H
+#define WINVER 0x0501
+#include <ws2tcpip.h>
+#endif
+
+int
+main ()
+{
+getaddrinfo(0, 0, 0, 0);
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&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'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&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'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  gl_cv_w32_getaddrinfo=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+fi
+rm -f conftest.err conftest.$ac_objext \
+      conftest$ac_exeext conftest.$ac_ext
+      LIBS="$am_save_LIBS"
+      if test "$gl_cv_w32_getaddrinfo" = "yes"; then
+	LIBS="$LIBS -lws2_32"
+      else
+	case $LIBOBJS in
+    "getaddrinfo.$ac_objext"   | \
+  *" getaddrinfo.$ac_objext"   | \
+    "getaddrinfo.$ac_objext "* | \
+  *" getaddrinfo.$ac_objext "* ) ;;
+  *) LIBOBJS="$LIBOBJS getaddrinfo.$ac_objext"
+ ;;
+esac
+
+      fi
+
+fi
+{ echo "$as_me:$LINENO: result: $gl_cv_w32_getaddrinfo" >&5
+echo "${ECHO_T}$gl_cv_w32_getaddrinfo" >&6; }
+fi
+done
+
+
+
+for ac_func in gai_strerror
+do
+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
+{ echo "$as_me:$LINENO: checking for $ac_func" >&5
+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6; }
+if { as_var=$as_ac_var; 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.  */
+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
+#define $ac_func innocuous_$ac_func
+
+/* System header to define __stub macros and hopefully few prototypes,
+    which can conflict with char $ac_func (); below.
+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+    <limits.h> exists even on freestanding compilers.  */
+
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+
+#undef $ac_func
+
 /* Override any gcc2 internal prototype to avoid an error.  */
 #ifdef __cplusplus
 extern "C"
+{
 #endif
 /* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */
-char gethostbyname ();
+char $ac_func ();
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
+choke me
+#else
+char (*f) () = $ac_func;
+#endif
+#ifdef __cplusplus
+}
+#endif
+
 int
 main ()
 {
-gethostbyname ();
+return f != $ac_func;
   ;
   return 0;
 }
@@ -13184,33 +13218,46 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
-  ac_cv_search_gethostbyname="-l$ac_lib"
-break
+  eval "$as_ac_var=yes"
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
+eval "$as_ac_var=no"
 fi
 rm -f conftest.err conftest.$ac_objext \
       conftest$ac_exeext conftest.$ac_ext
-  done
-fi
-LIBS=$ac_func_search_save_LIBS
 fi
-{ echo "$as_me:$LINENO: result: $ac_cv_search_gethostbyname" >&5
-echo "${ECHO_T}$ac_cv_search_gethostbyname" >&6; }
-if test "$ac_cv_search_gethostbyname" != no; then
-  test "$ac_cv_search_gethostbyname" = "none required" || LIBS="$ac_cv_search_gethostbyname $LIBS"
+ac_res=`eval echo '${'$as_ac_var'}'`
+	       { echo "$as_me:$LINENO: result: $ac_res" >&5
+echo "${ECHO_T}$ac_res" >&6; }
+if test `eval echo '${'$as_ac_var'}'` = yes; then
+  cat >>confdefs.h <<_ACEOF
+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
+_ACEOF
+
+else
+  case $LIBOBJS in
+    "$ac_func.$ac_objext"   | \
+  *" $ac_func.$ac_objext"   | \
+    "$ac_func.$ac_objext "* | \
+  *" $ac_func.$ac_objext "* ) ;;
+  *) LIBOBJS="$LIBOBJS $ac_func.$ac_objext"
+ ;;
+esac
 
 fi
+done
 
-  { echo "$as_me:$LINENO: checking for library containing getservbyname" >&5
-echo $ECHO_N "checking for library containing getservbyname... $ECHO_C" >&6; }
-if test "${ac_cv_search_getservbyname+set}" = set; then
+
+
+  { echo "$as_me:$LINENO: checking for library containing gethostbyname" >&5
+echo $ECHO_N "checking for library containing gethostbyname... $ECHO_C" >&6; }
+if test "${ac_cv_search_gethostbyname+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_func_search_save_LIBS=$LIBS
-ac_cv_search_getservbyname=no
+ac_cv_search_gethostbyname=no
 cat >conftest.$ac_ext <<_ACEOF
 /* confdefs.h.  */
 _ACEOF
@@ -13224,11 +13271,11 @@ extern "C"
 #endif
 /* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */
-char getservbyname ();
+char gethostbyname ();
 int
 main ()
 {
-getservbyname ();
+gethostbyname ();
   ;
   return 0;
 }
@@ -13255,7 +13302,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
-  ac_cv_search_getservbyname="none required"
+  ac_cv_search_gethostbyname="none required"
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
@@ -13263,8 +13310,8 @@ sed 's/^/| /' conftest.$ac_ext >&5
 fi
 rm -f conftest.err conftest.$ac_objext \
       conftest$ac_exeext conftest.$ac_ext
-if test "$ac_cv_search_getservbyname" = no; then
-  for ac_lib in inet nsl socket xnet; do
+if test "$ac_cv_search_gethostbyname" = no; then
+  for ac_lib in inet nsl; do
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
     cat >conftest.$ac_ext <<_ACEOF
 /* confdefs.h.  */
@@ -13279,11 +13326,11 @@ extern "C"
 #endif
 /* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */
-char getservbyname ();
+char gethostbyname ();
 int
 main ()
 {
-getservbyname ();
+gethostbyname ();
   ;
   return 0;
 }
@@ -13310,7 +13357,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
-  ac_cv_search_getservbyname="-l$ac_lib"
+  ac_cv_search_gethostbyname="-l$ac_lib"
 break
 else
   echo "$as_me: failed program was:" >&5
@@ -13323,70 +13370,38 @@ rm -f conftest.err conftest.$ac_objext \
 fi
 LIBS=$ac_func_search_save_LIBS
 fi
-{ echo "$as_me:$LINENO: result: $ac_cv_search_getservbyname" >&5
-echo "${ECHO_T}$ac_cv_search_getservbyname" >&6; }
-if test "$ac_cv_search_getservbyname" != no; then
-  test "$ac_cv_search_getservbyname" = "none required" || LIBS="$ac_cv_search_getservbyname $LIBS"
+{ echo "$as_me:$LINENO: result: $ac_cv_search_gethostbyname" >&5
+echo "${ECHO_T}$ac_cv_search_gethostbyname" >&6; }
+if test "$ac_cv_search_gethostbyname" != no; then
+  test "$ac_cv_search_gethostbyname" = "none required" || LIBS="$ac_cv_search_gethostbyname $LIBS"
 
 fi
 
-
-
-for ac_func in getaddrinfo gai_strerror
-do
-as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-{ echo "$as_me:$LINENO: checking for $ac_func" >&5
-echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6; }
-if { as_var=$as_ac_var; eval "test \"\${$as_var+set}\" = set"; }; then
+  { echo "$as_me:$LINENO: checking for library containing getservbyname" >&5
+echo $ECHO_N "checking for library containing getservbyname... $ECHO_C" >&6; }
+if test "${ac_cv_search_getservbyname+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
+  ac_func_search_save_LIBS=$LIBS
+ac_cv_search_getservbyname=no
+cat >conftest.$ac_ext <<_ACEOF
 /* confdefs.h.  */
 _ACEOF
 cat confdefs.h >>conftest.$ac_ext
 cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
-/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-#define $ac_func innocuous_$ac_func
-
-/* System header to define __stub macros and hopefully few prototypes,
-    which can conflict with char $ac_func (); below.
-    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-    <limits.h> exists even on freestanding compilers.  */
-
-#ifdef __STDC__
-# include <limits.h>
-#else
-# include <assert.h>
-#endif
-
-#undef $ac_func
 
 /* Override any gcc2 internal prototype to avoid an error.  */
 #ifdef __cplusplus
 extern "C"
-{
 #endif
 /* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */
-char $ac_func ();
-/* The GNU C library defines this for functions which it implements
-    to always fail with ENOSYS.  Some functions are actually named
-    something starting with __ and the normal name is an alias.  */
-#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-choke me
-#else
-char (*f) () = $ac_func;
-#endif
-#ifdef __cplusplus
-}
-#endif
-
+char getservbyname ();
 int
 main ()
 {
-return f != $ac_func;
+getservbyname ();
   ;
   return 0;
 }
@@ -13413,37 +13428,80 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
-  eval "$as_ac_var=yes"
+  ac_cv_search_getservbyname="none required"
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-eval "$as_ac_var=no"
 fi
 rm -f conftest.err conftest.$ac_objext \
       conftest$ac_exeext conftest.$ac_ext
-fi
-ac_res=`eval echo '${'$as_ac_var'}'`
-	       { echo "$as_me:$LINENO: result: $ac_res" >&5
-echo "${ECHO_T}$ac_res" >&6; }
-if test `eval echo '${'$as_ac_var'}'` = yes; then
-  cat >>confdefs.h <<_ACEOF
-#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
+if test "$ac_cv_search_getservbyname" = no; then
+  for ac_lib in inet nsl socket xnet; do
+    LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
+    cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
 _ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
 
+/* Override any gcc2 internal prototype to avoid an error.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+/* We use char because int might match the return type of a gcc2
+   builtin and then its argument prototype would still apply.  */
+char getservbyname ();
+int
+main ()
+{
+getservbyname ();
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&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'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&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'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_cv_search_getservbyname="-l$ac_lib"
+break
 else
-  case $LIBOBJS in
-    "$ac_func.$ac_objext"   | \
-  *" $ac_func.$ac_objext"   | \
-    "$ac_func.$ac_objext "* | \
-  *" $ac_func.$ac_objext "* ) ;;
-  *) LIBOBJS="$LIBOBJS $ac_func.$ac_objext"
- ;;
-esac
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
 
 fi
-done
+rm -f conftest.err conftest.$ac_objext \
+      conftest$ac_exeext conftest.$ac_ext
+  done
+fi
+LIBS=$ac_func_search_save_LIBS
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_search_getservbyname" >&5
+echo "${ECHO_T}$ac_cv_search_getservbyname" >&6; }
+if test "$ac_cv_search_getservbyname" != no; then
+  test "$ac_cv_search_getservbyname" = "none required" || LIBS="$ac_cv_search_getservbyname $LIBS"
 
+fi
 
 
 
@@ -13460,12 +13518,6 @@ done
 
 
 
-
-
-
-
-
-
   { echo "$as_me:$LINENO: checking whether getaddrinfo is declared" >&5
 echo $ECHO_N "checking whether getaddrinfo is declared... $ECHO_C" >&6; }
 if test "${ac_cv_have_decl_getaddrinfo+set}" = set; then
@@ -13481,14 +13533,16 @@ cat >>conftest.$ac_ext <<_ACEOF
   /* sys/types.h is not needed according to POSIX, but the
      sys/socket.h in i386-unknown-freebsd4.10 and
      powerpc-apple-darwin5.5 required it. */
-#ifdef HAVE_SYS_TYPES_H
-# include <sys/types.h>
-#endif
+#include <sys/types.h>
 #ifdef HAVE_SYS_SOCKET_H
-# include <sys/socket.h>
+#include <sys/socket.h>
 #endif
 #ifdef HAVE_NETDB_H
-# include <netdb.h>
+#include <netdb.h>
+#endif
+#ifdef HAVE_WS2TCPIP_H
+#define WINVER 0x0501
+#include <ws2tcpip.h>
 #endif
 
 
@@ -13565,14 +13619,16 @@ cat >>conftest.$ac_ext <<_ACEOF
   /* sys/types.h is not needed according to POSIX, but the
      sys/socket.h in i386-unknown-freebsd4.10 and
      powerpc-apple-darwin5.5 required it. */
-#ifdef HAVE_SYS_TYPES_H
-# include <sys/types.h>
-#endif
+#include <sys/types.h>
 #ifdef HAVE_SYS_SOCKET_H
-# include <sys/socket.h>
+#include <sys/socket.h>
 #endif
 #ifdef HAVE_NETDB_H
-# include <netdb.h>
+#include <netdb.h>
+#endif
+#ifdef HAVE_WS2TCPIP_H
+#define WINVER 0x0501
+#include <ws2tcpip.h>
 #endif
 
 
@@ -13649,14 +13705,16 @@ cat >>conftest.$ac_ext <<_ACEOF
   /* sys/types.h is not needed according to POSIX, but the
      sys/socket.h in i386-unknown-freebsd4.10 and
      powerpc-apple-darwin5.5 required it. */
-#ifdef HAVE_SYS_TYPES_H
-# include <sys/types.h>
-#endif
+#include <sys/types.h>
 #ifdef HAVE_SYS_SOCKET_H
-# include <sys/socket.h>
+#include <sys/socket.h>
 #endif
 #ifdef HAVE_NETDB_H
-# include <netdb.h>
+#include <netdb.h>
+#endif
+#ifdef HAVE_WS2TCPIP_H
+#define WINVER 0x0501
+#include <ws2tcpip.h>
 #endif
 
 
@@ -13732,14 +13790,16 @@ cat confdefs.h >>conftest.$ac_ext
 cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
-#ifdef HAVE_SYS_TYPES_H
-# include <sys/types.h>
-#endif
+#include <sys/types.h>
 #ifdef HAVE_SYS_SOCKET_H
-# include <sys/socket.h>
+#include <sys/socket.h>
 #endif
 #ifdef HAVE_NETDB_H
-# include <netdb.h>
+#include <netdb.h>
+#endif
+#ifdef HAVE_WS2TCPIP_H
+#define WINVER 0x0501
+#include <ws2tcpip.h>
 #endif
 
 
@@ -13841,6 +13901,51 @@ esac
 
 
 
+  { echo "$as_me:$LINENO: checking whether // is distinct from /" >&5
+echo $ECHO_N "checking whether // is distinct from /... $ECHO_C" >&6; }
+if test "${ac_cv_double_slash_root+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+   if test x"$cross_compiling" = xyes ; then
+	# When cross-compiling, there is no way to tell whether // is special
+	# short of a list of hosts.  However, the only known hosts to date
+	# that have a distinct // are Apollo DomainOS (too old to port to)
+	# and Cygwin.  If anyone knows of another system for which // has
+	# special semantics and is distinct from /, please report it to
+	# <bug-coreutils@gnu.org>.
+	case $host in
+	  *-cygwin)
+	    ac_cv_double_slash_root=yes ;;
+	  *)
+	    # Be optimistic and assume that / and // are the same when we
+	    # don't know.
+	    ac_cv_double_slash_root='unknown, assuming no' ;;
+	esac
+      else
+	set x `ls -di / //`
+	if test $2 = $4; then
+	  ac_cv_double_slash_root=no
+	else
+	  ac_cv_double_slash_root=yes
+	fi
+      fi
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_double_slash_root" >&5
+echo "${ECHO_T}$ac_cv_double_slash_root" >&6; }
+  if test x"$ac_cv_double_slash_root" = xyes; then
+    ac_double_slash_root=1
+  else
+    ac_double_slash_root=0
+  fi
+
+
+cat >>confdefs.h <<_ACEOF
+#define DOUBLE_SLASH_IS_DISTINCT_ROOT $ac_double_slash_root
+_ACEOF
+
+
+
+
   case $LIBOBJS in
     "dirname.$ac_objext"   | \
   *" dirname.$ac_objext"   | \
@@ -13854,6 +13959,7 @@ esac
 
 
 
+
 { echo "$as_me:$LINENO: checking whether strerror_r is declared" >&5
 echo $ECHO_N "checking whether strerror_r is declared... $ECHO_C" >&6; }
 if test "${ac_cv_have_decl_strerror_r+set}" = set; then
@@ -23989,17 +24095,6 @@ done
   fi
 
 
-      case $LIBOBJS in
-    "strstr.$ac_objext"   | \
-  *" strstr.$ac_objext"   | \
-    "strstr.$ac_objext "* | \
-  *" strstr.$ac_objext "* ) ;;
-  *) LIBOBJS="$LIBOBJS strstr.$ac_objext"
- ;;
-esac
-
-
-
     { echo "$as_me:$LINENO: checking whether mbrtowc and mbstate_t are properly declared" >&5
 echo $ECHO_N "checking whether mbrtowc and mbstate_t are properly declared... $ECHO_C" >&6; }
 if test "${gl_cv_func_mbrtowc+set}" = set; then
@@ -24067,6 +24162,19 @@ _ACEOF
   fi
 
 
+      case $LIBOBJS in
+    "strstr.$ac_objext"   | \
+  *" strstr.$ac_objext"   | \
+    "strstr.$ac_objext "* | \
+  *" strstr.$ac_objext "* ) ;;
+  *) LIBOBJS="$LIBOBJS strstr.$ac_objext"
+ ;;
+esac
+
+
+
+  :
+
 
 { echo "$as_me:$LINENO: checking for working strtod" >&5
 echo $ECHO_N "checking for working strtod... $ECHO_C" >&6; }
@@ -27044,7 +27152,6 @@ _ACEOF
 fi
 
 
-  # dnl Persuade glibc <time.h> to declare these functions.
 
 
   # Solaris 2.5.1 needs -lposix4 to get the clock_gettime function.
@@ -27777,12 +27884,6 @@ _ACEOF
 
 
 
-
-
-
-
-
-
   { echo "$as_me:$LINENO: checking whether gethrtime is declared" >&5
 echo $ECHO_N "checking whether gethrtime is declared... $ECHO_C" >&6; }
 if test "${ac_cv_have_decl_gethrtime+set}" = set; then
@@ -27872,7 +27973,6 @@ esac
 
 
 
-
   :
 
 
@@ -27883,9 +27983,6 @@ esac
 
 
 
-
-
-
   if test $ac_cv_func_nanouptime != yes; then
     LIB_GETHRXTIME=
     { echo "$as_me:$LINENO: checking whether CLOCK_MONOTONIC is defined" >&5
@@ -28428,8 +28525,16 @@ _ACEOF
 
 
 
+
+
   :
 
+
+
+
+
+
+
 fi
 
 
@@ -28707,6 +28812,12 @@ done
 
 
 
+
+
+
+
+
+
   case $LIBOBJS in
     "gettime.$ac_objext"   | \
   *" gettime.$ac_objext"   | \
@@ -29040,6 +29151,80 @@ _ACEOF
   fi
 
 
+      { echo "$as_me:$LINENO: checking whether getc_unlocked is declared" >&5
+echo $ECHO_N "checking whether getc_unlocked is declared... $ECHO_C" >&6; }
+if test "${ac_cv_have_decl_getc_unlocked+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.  */
+$ac_includes_default
+int
+main ()
+{
+#ifndef getc_unlocked
+  char *p = (char *) getc_unlocked;
+#endif
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&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'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&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'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_cv_have_decl_getc_unlocked=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_cv_have_decl_getc_unlocked=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_have_decl_getc_unlocked" >&5
+echo "${ECHO_T}$ac_cv_have_decl_getc_unlocked" >&6; }
+if test $ac_cv_have_decl_getc_unlocked = yes; then
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_DECL_GETC_UNLOCKED 1
+_ACEOF
+
+
+else
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_DECL_GETC_UNLOCKED 0
+_ACEOF
+
+
+fi
+
+
+
+
 
 
 
@@ -29106,6 +29291,13 @@ echo "${ECHO_T}$ac_cv_gnu_library_2_1" >&6; }
 
 
 
+  :
+
+
+
+
+
+
 
 
 
@@ -29136,8 +29328,8 @@ esac
 
 
 
-  :
 
+  :
 
 
 
@@ -29146,8 +29338,7 @@ esac
 
 
 
-  case $ac_cv_header_wchar_h,$ac_cv_header_wctype_h in
-  yes,yes)
+    if test $ac_cv_header_wchar_h = yes && test $ac_cv_header_wctype_h = yes; then
     case $LIBOBJS in
     "mbchar.$ac_objext"   | \
   *" mbchar.$ac_objext"   | \
@@ -29156,11 +29347,9 @@ esac
   *) LIBOBJS="$LIBOBJS mbchar.$ac_objext"
  ;;
 esac
-;;
-  esac
 
+  fi
 
-  :
 
 
 
@@ -29601,92 +29790,8 @@ esac
 
 
 
-
-
   :
 
-{ echo "$as_me:$LINENO: checking for working memcmp" >&5
-echo $ECHO_N "checking for working memcmp... $ECHO_C" >&6; }
-if test "${ac_cv_func_memcmp_working+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  if test "$cross_compiling" = yes; then
-  ac_cv_func_memcmp_working=no
-else
-  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
-int
-main ()
-{
-
-  /* Some versions of memcmp are not 8-bit clean.  */
-  char c0 = '\100', c1 = '\200', c2 = '\201';
-  if (memcmp(&c0, &c2, 1) >= 0 || memcmp(&c1, &c2, 1) >= 0)
-    exit (1);
-
-  /* The Next x86 OpenStep bug shows up only when comparing 16 bytes
-     or more and with at least one buffer not starting on a 4-byte boundary.
-     William Lewis provided this test program.   */
-  {
-    char foo[21];
-    char bar[21];
-    int i;
-    for (i = 0; i < 4; i++)
-      {
-	char *a = foo + i;
-	char *b = bar + i;
-	strcpy (a, "--------01111111");
-	strcpy (b, "--------10000000");
-	if (memcmp (a, b, 16) >= 0)
-	  exit (1);
-      }
-    exit (0);
-  }
-
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest$ac_exeext
-if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-  (eval $ac_link) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  ac_cv_func_memcmp_working=yes
-else
-  echo "$as_me: program exited with status $ac_status" >&5
-echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-( exit $ac_status )
-ac_cv_func_memcmp_working=no
-fi
-rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
-fi
-fi
-{ echo "$as_me:$LINENO: result: $ac_cv_func_memcmp_working" >&5
-echo "${ECHO_T}$ac_cv_func_memcmp_working" >&6; }
-test $ac_cv_func_memcmp_working = no && case $LIBOBJS in
-    "memcmp.$ac_objext"   | \
-  *" memcmp.$ac_objext"   | \
-    "memcmp.$ac_objext "* | \
-  *" memcmp.$ac_objext "* ) ;;
-  *) LIBOBJS="$LIBOBJS memcmp.$ac_objext"
- ;;
-esac
-
-
 
 
   case $LIBOBJS in
@@ -29699,8 +29804,7 @@ esac
 esac
 
 
-
-  { echo "$as_me:$LINENO: checking for working strcoll" >&5
+    { echo "$as_me:$LINENO: checking for working strcoll" >&5
 echo $ECHO_N "checking for working strcoll... $ECHO_C" >&6; }
 if test "${ac_cv_func_strcoll_works+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -29779,6 +29883,34 @@ _ACEOF
 
 
 
+
+
+
+
+
+
+
+  :
+
+
+
+
+
+
+
+
+  case $LIBOBJS in
+    "chdir-safer.$ac_objext"   | \
+  *" chdir-safer.$ac_objext"   | \
+    "chdir-safer.$ac_objext "* | \
+  *" chdir-safer.$ac_objext "* ) ;;
+  *) LIBOBJS="$LIBOBJS chdir-safer.$ac_objext"
+ ;;
+esac
+
+
+
+
   case $LIBOBJS in
     "mkdir-p.$ac_objext"   | \
   *" mkdir-p.$ac_objext"   | \
@@ -29794,6 +29926,8 @@ esac
 
 
 
+
+
   case $LIBOBJS in
     "modechange.$ac_objext"   | \
   *" modechange.$ac_objext"   | \
@@ -30464,6 +30598,9 @@ echo "${ECHO_T}$ac_cv_search_getmntent" >&6; }
 if test "$ac_cv_search_getmntent" != no; then
   test "$ac_cv_search_getmntent" = "none required" || LIBS="$ac_cv_search_getmntent $LIBS"
 
+fi
+
+
 for ac_func in getmntent
 do
 as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
@@ -30566,8 +30703,6 @@ _ACEOF
 fi
 done
 
-fi
-
 
 
 # This test must precede the ones for getmntent because Unicos-9 is
@@ -34740,12 +34875,6 @@ fi
 
 
 
-cat >>confdefs.h <<\_ACEOF
-#define _REGEX_LARGE_OFFSETS 1
-_ACEOF
-
-
-
 
 
 # Check whether --with-included-regex was given.
@@ -34755,7 +34884,7 @@ fi
 
 
 
-  case $with_included_regex in
+  case $with_included_regex in #(
   yes|no) ac_use_included_regex=$with_included_regex
 	;;
   '')
@@ -34766,11 +34895,11 @@ fi
     # test #75' in grep-2.3.
     { echo "$as_me:$LINENO: checking for working re_compile_pattern" >&5
 echo $ECHO_N "checking for working re_compile_pattern... $ECHO_C" >&6; }
-if test "${gl_cv_func_re_compile_pattern_broken+set}" = set; then
+if test "${gl_cv_func_re_compile_pattern_working+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   if test "$cross_compiling" = yes; then
-         gl_cv_func_re_compile_pattern_broken=yes
+         gl_cv_func_re_compile_pattern_working=no
 else
   cat >conftest.$ac_ext <<_ACEOF
 /* confdefs.h.  */
@@ -34780,18 +34909,16 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 $ac_includes_default
 	   #include <regex.h>
+
 int
 main ()
 {
 static struct re_pattern_buffer regex;
 	    const char *s;
 	    struct re_registers regs;
-	    /* Use the POSIX-compliant spelling with leading REG_,
-	       rather than the traditional GNU spelling with leading RE_,
-	       so that we reject older libc implementations.  */
-	    re_set_syntax (REG_SYNTAX_POSIX_EGREP);
+	    re_set_syntax (RE_SYNTAX_POSIX_EGREP);
 	    memset (&regex, 0, sizeof (regex));
-	    s = re_compile_pattern ("a[:]:]b\n", 9, &regex);
+	    s = re_compile_pattern ("a[[:]:]]b\n", 11, &regex);
 	    /* This should fail with _Invalid character class name_ error.  */
 	    if (!s)
 	      exit (1);
@@ -34825,10 +34952,9 @@ static struct re_pattern_buffer regex;
 	      exit (1);
 
 	    /* The version of regex.c in older versions of gnulib
-	       ignored REG_IGNORE_CASE (which was then called RE_ICASE).
-	       Detect that problem too.  */
+	       ignored RE_ICASE.  Detect that problem too.  */
 	    memset (&regex, 0, sizeof (regex));
-	    re_set_syntax (REG_SYNTAX_EMACS | REG_IGNORE_CASE);
+	    re_set_syntax (RE_SYNTAX_EMACS | RE_ICASE);
 	    s = re_compile_pattern ("x", 1, &regex);
 	    if (s)
 	      exit (1);
@@ -34842,10 +34968,10 @@ static struct re_pattern_buffer regex;
 	      exit (1);
 
 	    /* Reject hosts whose regoff_t values are too narrow.
-	       These include glibc 2.3.5 on hosts with 64-bit off_t
-	       and 32-bit int, and Solaris 10 on hosts with 32-bit int
-	       and _FILE_OFFSET_BITS=64.  */
-	    if (sizeof (regoff_t) < sizeof (off_t))
+	       These include glibc 2.3.5 on hosts with 64-bit ptrdiff_t
+	       and 32-bit int.  */
+	    if (sizeof (regoff_t) < sizeof (ptrdiff_t)
+		|| sizeof (regoff_t) < sizeof (ssize_t))
 	      exit (1);
 
 	    exit (0);
@@ -34864,21 +34990,24 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
-  gl_cv_func_re_compile_pattern_broken=no
+  gl_cv_func_re_compile_pattern_working=yes
 else
   echo "$as_me: program exited with status $ac_status" >&5
 echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
 ( exit $ac_status )
-gl_cv_func_re_compile_pattern_broken=yes
+gl_cv_func_re_compile_pattern_working=no
 fi
 rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
 fi
 fi
-{ echo "$as_me:$LINENO: result: $gl_cv_func_re_compile_pattern_broken" >&5
-echo "${ECHO_T}$gl_cv_func_re_compile_pattern_broken" >&6; }
-    ac_use_included_regex=$gl_cv_func_re_compile_pattern_broken
+{ echo "$as_me:$LINENO: result: $gl_cv_func_re_compile_pattern_working" >&5
+echo "${ECHO_T}$gl_cv_func_re_compile_pattern_working" >&6; }
+    case $gl_cv_func_re_compile_pattern_working in #(
+    yes) ac_use_included_regex=no;; #(
+    no) ac_use_included_regex=yes;;
+    esac
     ;;
   *) { { echo "$as_me:$LINENO: error: Invalid value for --with-included-regex: $with_included_regex" >&5
 echo "$as_me: error: Invalid value for --with-included-regex: $with_included_regex" >&2;}
@@ -34889,6 +35018,11 @@ echo "$as_me: error: Invalid value for --with-included-regex: $with_included_reg
   if test $ac_use_included_regex = yes; then
 
 cat >>confdefs.h <<\_ACEOF
+#define _REGEX_LARGE_OFFSETS 1
+_ACEOF
+
+
+cat >>confdefs.h <<\_ACEOF
 #define re_syntax_options rpl_re_syntax_options
 _ACEOF
 
@@ -35218,6 +35352,36 @@ esac
 
   :
 
+
+
+  case $LIBOBJS in
+    "sha256.$ac_objext"   | \
+  *" sha256.$ac_objext"   | \
+    "sha256.$ac_objext "* | \
+  *" sha256.$ac_objext "* ) ;;
+  *) LIBOBJS="$LIBOBJS sha256.$ac_objext"
+ ;;
+esac
+
+
+
+  :
+
+
+
+  case $LIBOBJS in
+    "sha512.$ac_objext"   | \
+  *" sha512.$ac_objext"   | \
+    "sha512.$ac_objext "* | \
+  *" sha512.$ac_objext "* ) ;;
+  *) LIBOBJS="$LIBOBJS sha512.$ac_objext"
+ ;;
+esac
+
+
+
+  :
+
 { echo "$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
@@ -35398,7 +35562,83 @@ cat >>confdefs.h <<_ACEOF
 #define HAVE_STRUCT_STAT_ST_ATIM_TV_NSEC 1
 _ACEOF
 
+{ echo "$as_me:$LINENO: checking whether struct stat.st_atim is of type struct timespec" >&5
+echo $ECHO_N "checking whether struct stat.st_atim is of type struct timespec... $ECHO_C" >&6; }
+if test "${ac_cv_typeof_struct_stat_st_atim_is_struct_timespec+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>
+	    #if TIME_WITH_SYS_TIME
+	    # include <sys/time.h>
+	    # include <time.h>
+	    #else
+	    # if HAVE_SYS_TIME_H
+	    #  include <sys/time.h>
+	    # else
+	    #  include <time.h>
+	    # endif
+	    #endif
+	    #include <sys/stat.h>
+	    struct timespec ts;
+	    struct stat st;
+
+int
+main ()
+{
+
+	    st.st_atim = ts;
 
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&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'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&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'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_cv_typeof_struct_stat_st_atim_is_struct_timespec=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_cv_typeof_struct_stat_st_atim_is_struct_timespec=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_typeof_struct_stat_st_atim_is_struct_timespec" >&5
+echo "${ECHO_T}$ac_cv_typeof_struct_stat_st_atim_is_struct_timespec" >&6; }
+     if test $ac_cv_typeof_struct_stat_st_atim_is_struct_timespec = yes; then
+
+cat >>confdefs.h <<\_ACEOF
+#define TYPEOF_STRUCT_STAT_ST_ATIM_IS_STRUCT_TIMESPEC 1
+_ACEOF
+
+     fi
 else
   { echo "$as_me:$LINENO: checking for struct stat.st_atimespec.tv_nsec" >&5
 echo $ECHO_N "checking for struct stat.st_atimespec.tv_nsec... $ECHO_C" >&6; }
@@ -35863,74 +36103,400 @@ fi
 
 
 
+  { echo "$as_me:$LINENO: checking for inttypes.h" >&5
+echo $ECHO_N "checking for inttypes.h... $ECHO_C" >&6; }
+if test "${gt_cv_header_inttypes_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
 
-  case $LIBOBJS in
-    "fopen-safer.$ac_objext"   | \
-  *" fopen-safer.$ac_objext"   | \
-    "fopen-safer.$ac_objext "* | \
-  *" fopen-safer.$ac_objext "* ) ;;
-  *) LIBOBJS="$LIBOBJS fopen-safer.$ac_objext"
- ;;
-esac
+    cat >conftest.$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 <inttypes.h>
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&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'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&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'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  gt_cv_header_inttypes_h=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+gt_cv_header_inttypes_h=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
 
+fi
+{ echo "$as_me:$LINENO: result: $gt_cv_header_inttypes_h" >&5
+echo "${ECHO_T}$gt_cv_header_inttypes_h" >&6; }
+  if test $gt_cv_header_inttypes_h = yes; then
 
+cat >>confdefs.h <<_ACEOF
+#define HAVE_INTTYPES_H 1
+_ACEOF
 
+  fi
 
-  case $LIBOBJS in
-    "mkstemp-safer.$ac_objext"   | \
-  *" mkstemp-safer.$ac_objext"   | \
-    "mkstemp-safer.$ac_objext "* | \
-  *" mkstemp-safer.$ac_objext "* ) ;;
-  *) LIBOBJS="$LIBOBJS mkstemp-safer.$ac_objext"
- ;;
-esac
 
 
+for ac_header in sys/inttypes.h
+do
+as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
+  { echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6; }
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+ac_res=`eval echo '${'$as_ac_Header'}'`
+	       { echo "$as_me:$LINENO: result: $ac_res" >&5
+echo "${ECHO_T}$ac_res" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking $ac_header usability" >&5
+echo $ECHO_N "checking $ac_header 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.  */
+$ac_includes_default
+#include <$ac_header>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&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'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&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'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&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 conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
 
-      case $LIBOBJS in
-    "strcasecmp.$ac_objext"   | \
-  *" strcasecmp.$ac_objext"   | \
-    "strcasecmp.$ac_objext "* | \
-  *" strcasecmp.$ac_objext "* ) ;;
-  *) LIBOBJS="$LIBOBJS strcasecmp.$ac_objext"
- ;;
+# Is the header present?
+{ echo "$as_me:$LINENO: checking $ac_header presence" >&5
+echo $ECHO_N "checking $ac_header 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 <$ac_header>
+_ACEOF
+if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&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: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5
+echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: $ac_header:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;}
+    (
+      cat <<\_ASBOX
+## ------------------------------------ ##
+## Report this to bug-coreutils@gnu.org ##
+## ------------------------------------ ##
+_ASBOX
+    ) |
+      sed "s/^/$as_me: WARNING:     /" >&2
+    ;;
 esac
+{ echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6; }
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  eval "$as_ac_Header=\$ac_header_preproc"
+fi
+ac_res=`eval echo '${'$as_ac_Header'}'`
+	       { echo "$as_me:$LINENO: result: $ac_res" >&5
+echo "${ECHO_T}$ac_res" >&6; }
 
+fi
+if test `eval echo '${'$as_ac_Header'}'` = yes; then
+  cat >>confdefs.h <<_ACEOF
+#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
+_ACEOF
 
-cat >>confdefs.h <<\_ACEOF
-#define strcasecmp rpl_strcasecmp
+fi
+
+done
+
+
+for ac_header in sys/bitypes.h
+do
+as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
+  { echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6; }
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+ac_res=`eval echo '${'$as_ac_Header'}'`
+	       { echo "$as_me:$LINENO: result: $ac_res" >&5
+echo "${ECHO_T}$ac_res" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking $ac_header usability" >&5
+echo $ECHO_N "checking $ac_header 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.  */
+$ac_includes_default
+#include <$ac_header>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&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'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&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'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&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.$ac_ext >&5
+
+ac_header_compiler=no
+fi
+rm -f conftest.err conftest.$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 $ac_header presence" >&5
+echo $ECHO_N "checking $ac_header 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 <$ac_header>
+_ACEOF
+if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&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: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5
+echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: $ac_header:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;}
+    (
+      cat <<\_ASBOX
+## ------------------------------------ ##
+## Report this to bug-coreutils@gnu.org ##
+## ------------------------------------ ##
+_ASBOX
+    ) |
+      sed "s/^/$as_me: WARNING:     /" >&2
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6; }
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  eval "$as_ac_Header=\$ac_header_preproc"
+fi
+ac_res=`eval echo '${'$as_ac_Header'}'`
+	       { echo "$as_me:$LINENO: result: $ac_res" >&5
+echo "${ECHO_T}$ac_res" >&6; }
 
-    { echo "$as_me:$LINENO: checking whether mbrtowc and mbstate_t are properly declared" >&5
-echo $ECHO_N "checking whether mbrtowc and mbstate_t are properly declared... $ECHO_C" >&6; }
-if test "${gl_cv_func_mbrtowc+set}" = set; then
+fi
+if test `eval echo '${'$as_ac_Header'}'` = yes; then
+  cat >>confdefs.h <<_ACEOF
+#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+
+done
+
+
+{ echo "$as_me:$LINENO: checking for stdint.h" >&5
+echo $ECHO_N "checking for stdint.h... $ECHO_C" >&6; }
+if test "${gl_cv_header_stdint_h+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 <wchar.h>
+#include <stdint.h>
 int
 main ()
 {
-wchar_t wc;
-              char const s[] = "";
-              size_t n = 1;
-              mbstate_t state;
-              return ! (sizeof state && (mbrtowc) (&wc, s, n, &state));
+
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-  (eval $ac_link) 2>conftest.er1
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>conftest.er1
   ac_status=$?
   grep -v '^ *+' conftest.er1 >conftest.err
   rm -f conftest.er1
@@ -35944,33 +36510,211 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest$ac_exeext'
+	 { ac_try='test -s conftest.$ac_objext'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
-  gl_cv_func_mbrtowc=yes
+  gl_cv_header_stdint_h=yes
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-gl_cv_func_mbrtowc=no
+gl_cv_header_stdint_h=no
 fi
-rm -f conftest.err conftest.$ac_objext \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ echo "$as_me:$LINENO: result: $gl_cv_func_mbrtowc" >&5
-echo "${ECHO_T}$gl_cv_func_mbrtowc" >&6; }
-  if test $gl_cv_func_mbrtowc = yes; then
+
+{ echo "$as_me:$LINENO: result: $gl_cv_header_stdint_h" >&5
+echo "${ECHO_T}$gl_cv_header_stdint_h" >&6; }
+if test $gl_cv_header_stdint_h = yes; then
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_MBRTOWC 1
+#define HAVE_STDINT_H 1
+_ACEOF
+
+  STDINT_H=''
+else
+  STDINT_H='stdint.h'
+
+    { echo "$as_me:$LINENO: checking whether 'long' is 64 bit wide" >&5
+echo $ECHO_N "checking whether 'long' is 64 bit wide... $ECHO_C" >&6; }
+if test "${gl_cv_long_bitsize_64+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.  */
+
+#define POW63  ((((((long) 1 << 15) << 15) << 15) << 15) << 3)
+#define POW64  ((((((long) 1 << 15) << 15) << 15) << 15) << 4)
+typedef int array [2 * (POW63 != 0 && POW64 == 0) - 1];
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&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'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&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'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  gl_cv_long_bitsize_64=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+gl_cv_long_bitsize_64=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ echo "$as_me:$LINENO: result: $gl_cv_long_bitsize_64" >&5
+echo "${ECHO_T}$gl_cv_long_bitsize_64" >&6; }
+  if test $gl_cv_long_bitsize_64 = yes; then
+    HAVE_LONG_64BIT=1
+  else
+    HAVE_LONG_64BIT=0
+  fi
+
+
+    { echo "$as_me:$LINENO: checking whether 'long long' is 64 bit wide" >&5
+echo $ECHO_N "checking whether 'long long' is 64 bit wide... $ECHO_C" >&6; }
+if test "${gl_cv_longlong_bitsize_64+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.  */
+
+#define POW63  ((((((long long) 1 << 15) << 15) << 15) << 15) << 3)
+#define POW64  ((((((long long) 1 << 15) << 15) << 15) << 15) << 4)
+typedef int array [2 * (POW63 != 0 && POW64 == 0) - 1];
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
 _ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&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'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&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'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  gl_cv_longlong_bitsize_64=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
 
+gl_cv_longlong_bitsize_64=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ echo "$as_me:$LINENO: result: $gl_cv_longlong_bitsize_64" >&5
+echo "${ECHO_T}$gl_cv_longlong_bitsize_64" >&6; }
+  if test $gl_cv_longlong_bitsize_64 = yes; then
+    HAVE_LONG_LONG_64BIT=1
+  else
+    HAVE_LONG_LONG_64BIT=0
   fi
 
 
+fi
+
+
+
+
+  case $LIBOBJS in
+    "fopen-safer.$ac_objext"   | \
+  *" fopen-safer.$ac_objext"   | \
+    "fopen-safer.$ac_objext "* | \
+  *" fopen-safer.$ac_objext "* ) ;;
+  *) LIBOBJS="$LIBOBJS fopen-safer.$ac_objext"
+ ;;
+esac
+
+
+
+
+  case $LIBOBJS in
+    "mkstemp-safer.$ac_objext"   | \
+  *" mkstemp-safer.$ac_objext"   | \
+    "mkstemp-safer.$ac_objext "* | \
+  *" mkstemp-safer.$ac_objext "* ) ;;
+  *) LIBOBJS="$LIBOBJS mkstemp-safer.$ac_objext"
+ ;;
+esac
+
+
+
+
+      case $LIBOBJS in
+    "strcasecmp.$ac_objext"   | \
+  *" strcasecmp.$ac_objext"   | \
+    "strcasecmp.$ac_objext "* | \
+  *" strcasecmp.$ac_objext "* ) ;;
+  *) LIBOBJS="$LIBOBJS strcasecmp.$ac_objext"
+ ;;
+esac
+
+
+cat >>confdefs.h <<\_ACEOF
+#define strcasecmp rpl_strcasecmp
+_ACEOF
+
+
+
+  :
+
 
 
 
@@ -36208,6 +36952,87 @@ esac
 
 
 
+
+
+
+  { echo "$as_me:$LINENO: checking whether localtime_r is compatible with its POSIX signature" >&5
+echo $ECHO_N "checking whether localtime_r is compatible with its POSIX signature... $ECHO_C" >&6; }
+if test "${gl_cv_time_r_posix+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 <time.h>
+int
+main ()
+{
+/* We don't need to append 'restrict's to the argument types,
+	   even though the POSIX signature has the 'restrict's,
+	   since C99 says they can't affect type compatibility.  */
+	struct tm * (*ptr) (time_t const *, struct tm *) = localtime_r;
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&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'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&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'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  gl_cv_time_r_posix=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+gl_cv_time_r_posix=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ echo "$as_me:$LINENO: result: $gl_cv_time_r_posix" >&5
+echo "${ECHO_T}$gl_cv_time_r_posix" >&6; }
+  if test $gl_cv_time_r_posix = yes; then
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_TIME_R_POSIX 1
+_ACEOF
+
+  else
+    case $LIBOBJS in
+    "time_r.$ac_objext"   | \
+  *" time_r.$ac_objext"   | \
+    "time_r.$ac_objext "* | \
+  *" time_r.$ac_objext "* ) ;;
+  *) LIBOBJS="$LIBOBJS time_r.$ac_objext"
+ ;;
+esac
+
+
+  :
+
+  fi
+
+
     :
 
 
@@ -37796,80 +38621,6 @@ fi
 
 
 
-      { echo "$as_me:$LINENO: checking whether getc_unlocked is declared" >&5
-echo $ECHO_N "checking whether getc_unlocked is declared... $ECHO_C" >&6; }
-if test "${ac_cv_have_decl_getc_unlocked+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.  */
-$ac_includes_default
-int
-main ()
-{
-#ifndef getc_unlocked
-  char *p = (char *) getc_unlocked;
-#endif
-
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&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'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&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'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  ac_cv_have_decl_getc_unlocked=yes
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-ac_cv_have_decl_getc_unlocked=no
-fi
-rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-{ echo "$as_me:$LINENO: result: $ac_cv_have_decl_getc_unlocked" >&5
-echo "${ECHO_T}$ac_cv_have_decl_getc_unlocked" >&6; }
-if test $ac_cv_have_decl_getc_unlocked = yes; then
-
-cat >>confdefs.h <<_ACEOF
-#define HAVE_DECL_GETC_UNLOCKED 1
-_ACEOF
-
-
-else
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_DECL_GETC_UNLOCKED 0
-_ACEOF
-
-
-fi
-
-
-
-
       { echo "$as_me:$LINENO: checking whether getchar_unlocked is declared" >&5
 echo $ECHO_N "checking whether getchar_unlocked is declared... $ECHO_C" >&6; }
 if test "${ac_cv_have_decl_getchar_unlocked+set}" = set; then
@@ -38557,6 +39308,88 @@ fi
 
 
 
+{ echo "$as_me:$LINENO: checking for working memcmp" >&5
+echo $ECHO_N "checking for working memcmp... $ECHO_C" >&6; }
+if test "${ac_cv_func_memcmp_working+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  if test "$cross_compiling" = yes; then
+  ac_cv_func_memcmp_working=no
+else
+  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
+int
+main ()
+{
+
+  /* Some versions of memcmp are not 8-bit clean.  */
+  char c0 = '\100', c1 = '\200', c2 = '\201';
+  if (memcmp(&c0, &c2, 1) >= 0 || memcmp(&c1, &c2, 1) >= 0)
+    exit (1);
+
+  /* The Next x86 OpenStep bug shows up only when comparing 16 bytes
+     or more and with at least one buffer not starting on a 4-byte boundary.
+     William Lewis provided this test program.   */
+  {
+    char foo[21];
+    char bar[21];
+    int i;
+    for (i = 0; i < 4; i++)
+      {
+	char *a = foo + i;
+	char *b = bar + i;
+	strcpy (a, "--------01111111");
+	strcpy (b, "--------10000000");
+	if (memcmp (a, b, 16) >= 0)
+	  exit (1);
+      }
+    exit (0);
+  }
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+  (eval $ac_link) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_cv_func_memcmp_working=yes
+else
+  echo "$as_me: program exited with status $ac_status" >&5
+echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+( exit $ac_status )
+ac_cv_func_memcmp_working=no
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+fi
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_func_memcmp_working" >&5
+echo "${ECHO_T}$ac_cv_func_memcmp_working" >&6; }
+test $ac_cv_func_memcmp_working = no && case $LIBOBJS in
+    "memcmp.$ac_objext"   | \
+  *" memcmp.$ac_objext"   | \
+    "memcmp.$ac_objext "* | \
+  *" memcmp.$ac_objext "* ) ;;
+  *) LIBOBJS="$LIBOBJS memcmp.$ac_objext"
+ ;;
+esac
+
+
 
 
   if test $ac_cv_func_memcmp_working = no; then
@@ -38718,6 +39551,8 @@ else
 
 
 
+
+
   :
 
 
@@ -39370,6 +40205,189 @@ _ACEOF
 
 
 
+
+
+
+
+
+
+
+
+
+  # No system provides these functions; compile them unconditionally.
+  case $LIBOBJS in
+    "mkdirat.$ac_objext"   | \
+  *" mkdirat.$ac_objext"   | \
+    "mkdirat.$ac_objext "* | \
+  *" mkdirat.$ac_objext "* ) ;;
+  *) LIBOBJS="$LIBOBJS mkdirat.$ac_objext"
+ ;;
+esac
+
+  case $LIBOBJS in
+    "fchmodat.$ac_objext"   | \
+  *" fchmodat.$ac_objext"   | \
+    "fchmodat.$ac_objext "* | \
+  *" fchmodat.$ac_objext "* ) ;;
+  *) LIBOBJS="$LIBOBJS fchmodat.$ac_objext"
+ ;;
+esac
+
+
+  case $LIBOBJS in
+    "openat-die.$ac_objext"   | \
+  *" openat-die.$ac_objext"   | \
+    "openat-die.$ac_objext "* | \
+  *" openat-die.$ac_objext "* ) ;;
+  *) LIBOBJS="$LIBOBJS openat-die.$ac_objext"
+ ;;
+esac
+
+
+
+  :
+
+
+
+
+
+
+  :
+
+
+
+
+
+
+for ac_func in openat
+do
+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
+{ echo "$as_me:$LINENO: checking for $ac_func" >&5
+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6; }
+if { as_var=$as_ac_var; 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.  */
+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
+#define $ac_func innocuous_$ac_func
+
+/* System header to define __stub macros and hopefully few prototypes,
+    which can conflict with char $ac_func (); below.
+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+    <limits.h> exists even on freestanding compilers.  */
+
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+
+#undef $ac_func
+
+/* Override any gcc2 internal prototype to avoid an error.  */
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+/* We use char because int might match the return type of a gcc2
+   builtin and then its argument prototype would still apply.  */
+char $ac_func ();
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
+choke me
+#else
+char (*f) () = $ac_func;
+#endif
+#ifdef __cplusplus
+}
+#endif
+
+int
+main ()
+{
+return f != $ac_func;
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&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'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&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'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  eval "$as_ac_var=yes"
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+eval "$as_ac_var=no"
+fi
+rm -f conftest.err conftest.$ac_objext \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+ac_res=`eval echo '${'$as_ac_var'}'`
+	       { echo "$as_me:$LINENO: result: $ac_res" >&5
+echo "${ECHO_T}$ac_res" >&6; }
+if test `eval echo '${'$as_ac_var'}'` = yes; then
+  cat >>confdefs.h <<_ACEOF
+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
+_ACEOF
+
+else
+  case $LIBOBJS in
+    "$ac_func.$ac_objext"   | \
+  *" $ac_func.$ac_objext"   | \
+    "$ac_func.$ac_objext "* | \
+  *" $ac_func.$ac_objext "* ) ;;
+  *) LIBOBJS="$LIBOBJS $ac_func.$ac_objext"
+ ;;
+esac
+
+fi
+done
+
+
+  case $ac_cv_func_openat in
+  yes) ;;
+  *)
+
+cat >>confdefs.h <<\_ACEOF
+#define __OPENAT_PREFIX rpl_
+_ACEOF
+
+
+
+;;
+  esac
+
+
+
+
       case $LIBOBJS in
     "fts.$ac_objext"   | \
   *" fts.$ac_objext"   | \
@@ -39381,6 +40399,7 @@ esac
 
 
 
+
   # Checks for header files.
 
 
@@ -39430,8 +40449,6 @@ esac
 
 
 
-
-
   case $LIBOBJS in
     "cycle-check.$ac_objext"   | \
   *" cycle-check.$ac_objext"   | \
@@ -39445,6 +40462,18 @@ esac
 
 
 
+
+  case $LIBOBJS in
+    "euidaccess-stat.$ac_objext"   | \
+  *" euidaccess-stat.$ac_objext"   | \
+    "euidaccess-stat.$ac_objext "* | \
+  *" euidaccess-stat.$ac_objext "* ) ;;
+  *) LIBOBJS="$LIBOBJS euidaccess-stat.$ac_objext"
+ ;;
+esac
+
+
+
   # We don't yet use c-stack.c.
   # AC_REQUIRE([gl_C_STACK])
 
@@ -39603,6 +40632,11 @@ esac
 
 
 
+
+
+
+
+
 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`
@@ -40510,6 +41544,16 @@ fi
 
 done
 
+  if test "$ac_cv_header_sys_acl_h" = yes; then
+    use_acl=1
+  else
+    use_acl=0
+  fi
+
+cat >>confdefs.h <<_ACEOF
+#define USE_ACL $use_acl
+_ACEOF
+
 
 for ac_func in acl
 do
@@ -40613,6 +41657,403 @@ _ACEOF
 fi
 done
 
+  ac_save_LIBS="$LIBS"
+  { echo "$as_me:$LINENO: checking for library containing acl_get_file" >&5
+echo $ECHO_N "checking for library containing acl_get_file... $ECHO_C" >&6; }
+if test "${ac_cv_search_acl_get_file+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_func_search_save_LIBS=$LIBS
+ac_cv_search_acl_get_file=no
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+/* Override any gcc2 internal prototype to avoid an error.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+/* We use char because int might match the return type of a gcc2
+   builtin and then its argument prototype would still apply.  */
+char acl_get_file ();
+int
+main ()
+{
+acl_get_file ();
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&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'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&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'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_cv_search_acl_get_file="none required"
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+fi
+rm -f conftest.err conftest.$ac_objext \
+      conftest$ac_exeext conftest.$ac_ext
+if test "$ac_cv_search_acl_get_file" = no; then
+  for ac_lib in acl; do
+    LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
+    cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+/* Override any gcc2 internal prototype to avoid an error.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+/* We use char because int might match the return type of a gcc2
+   builtin and then its argument prototype would still apply.  */
+char acl_get_file ();
+int
+main ()
+{
+acl_get_file ();
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&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'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&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'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_cv_search_acl_get_file="-l$ac_lib"
+break
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+fi
+rm -f conftest.err conftest.$ac_objext \
+      conftest$ac_exeext conftest.$ac_ext
+  done
+fi
+LIBS=$ac_func_search_save_LIBS
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_search_acl_get_file" >&5
+echo "${ECHO_T}$ac_cv_search_acl_get_file" >&6; }
+if test "$ac_cv_search_acl_get_file" != no; then
+  test "$ac_cv_search_acl_get_file" = "none required" || LIBS="$ac_cv_search_acl_get_file $LIBS"
+  test "$ac_cv_search_acl_get_file" = "none required" ||
+		  LIB_ACL=$ac_cv_search_acl_get_file
+fi
+
+
+
+for ac_header in acl/libacl.h
+do
+as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
+  { echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6; }
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+ac_res=`eval echo '${'$as_ac_Header'}'`
+	       { echo "$as_me:$LINENO: result: $ac_res" >&5
+echo "${ECHO_T}$ac_res" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking $ac_header usability" >&5
+echo $ECHO_N "checking $ac_header 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.  */
+$ac_includes_default
+#include <$ac_header>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&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'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&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'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&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.$ac_ext >&5
+
+ac_header_compiler=no
+fi
+rm -f conftest.err conftest.$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 $ac_header presence" >&5
+echo $ECHO_N "checking $ac_header 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 <$ac_header>
+_ACEOF
+if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&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: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5
+echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: $ac_header:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;}
+    (
+      cat <<\_ASBOX
+## ------------------------------------ ##
+## Report this to bug-coreutils@gnu.org ##
+## ------------------------------------ ##
+_ASBOX
+    ) |
+      sed "s/^/$as_me: WARNING:     /" >&2
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6; }
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  eval "$as_ac_Header=\$ac_header_preproc"
+fi
+ac_res=`eval echo '${'$as_ac_Header'}'`
+	       { echo "$as_me:$LINENO: result: $ac_res" >&5
+echo "${ECHO_T}$ac_res" >&6; }
+
+fi
+if test `eval echo '${'$as_ac_Header'}'` = yes; then
+  cat >>confdefs.h <<_ACEOF
+#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+
+done
+
+
+
+
+
+
+
+
+
+
+
+
+for ac_func in acl_get_file acl_get_fd acl_set_file acl_set_fd \
+		 acl_free acl_from_mode acl_from_text acl_to_text \
+		 acl_delete_def_file acl_entries acl_extended_file
+do
+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
+{ echo "$as_me:$LINENO: checking for $ac_func" >&5
+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6; }
+if { as_var=$as_ac_var; 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.  */
+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
+#define $ac_func innocuous_$ac_func
+
+/* System header to define __stub macros and hopefully few prototypes,
+    which can conflict with char $ac_func (); below.
+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+    <limits.h> exists even on freestanding compilers.  */
+
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+
+#undef $ac_func
+
+/* Override any gcc2 internal prototype to avoid an error.  */
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+/* We use char because int might match the return type of a gcc2
+   builtin and then its argument prototype would still apply.  */
+char $ac_func ();
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
+choke me
+#else
+char (*f) () = $ac_func;
+#endif
+#ifdef __cplusplus
+}
+#endif
+
+int
+main ()
+{
+return f != $ac_func;
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&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'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&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'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  eval "$as_ac_var=yes"
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+eval "$as_ac_var=no"
+fi
+rm -f conftest.err conftest.$ac_objext \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+ac_res=`eval echo '${'$as_ac_var'}'`
+	       { echo "$as_me:$LINENO: result: $ac_res" >&5
+echo "${ECHO_T}$ac_res" >&6; }
+if test `eval echo '${'$as_ac_var'}'` = yes; then
+  cat >>confdefs.h <<_ACEOF
+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+done
+
+  LIBS="$ac_save_LIBS"
 
 
 for ac_header in unistd.h
@@ -41781,6 +43222,7 @@ done
 
 
   fp_headers='
+#     include <stdio.h>
 #     if HAVE_STDIO_EXT_H
 #      include <stdio_ext.h>
 #     endif
@@ -41877,7 +43319,7 @@ else
 	    'fp->_p - fp->_bf._base'				\
 								\
 	    '# SCO, Unixware'					\
-	    'fp->__ptr - fp->__base'				\
+	    '(fp->__ptr ? fp->__ptr - fp->__base : 0)'		\
 								\
 	    '# old glibc?'					\
 	    'fp->__bufp - fp->__buffer'				\
@@ -41958,71 +43400,6 @@ _ACEOF
   fi
 
 
-  { echo "$as_me:$LINENO: checking for inttypes.h" >&5
-echo $ECHO_N "checking for inttypes.h... $ECHO_C" >&6; }
-if test "${gt_cv_header_inttypes_h+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 <inttypes.h>
-int
-main ()
-{
-
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&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'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&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'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  gt_cv_header_inttypes_h=yes
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-gt_cv_header_inttypes_h=no
-fi
-rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-
-fi
-{ echo "$as_me:$LINENO: result: $gt_cv_header_inttypes_h" >&5
-echo "${ECHO_T}$gt_cv_header_inttypes_h" >&6; }
-  if test $gt_cv_header_inttypes_h = yes; then
-
-cat >>confdefs.h <<_ACEOF
-#define HAVE_INTTYPES_H 1
-_ACEOF
-
-  fi
-
-
 
   if test $gt_cv_header_inttypes_h = yes; then
     { echo "$as_me:$LINENO: checking whether the inttypes.h PRIxNN macros are broken" >&5
@@ -44961,15 +46338,9 @@ done
 
 
 
-
-
-
-
-
-
-  { echo "$as_me:$LINENO: checking whether this system has a definition of PATH_MAX" >&5
-echo $ECHO_N "checking whether this system has a definition of PATH_MAX... $ECHO_C" >&6; }
-if test "${gl_have_path_max_definition+set}" = set; then
+  { echo "$as_me:$LINENO: checking whether this system has an arbitrary file name length limit" >&5
+echo $ECHO_N "checking whether this system has an arbitrary file name length limit... $ECHO_C" >&6; }
+if test "${gl_have_arbitrary_file_name_length_limit+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   cat >conftest.$ac_ext <<_ACEOF
@@ -44980,23 +46351,23 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 #include <unistd.h>
 #include <limits.h>
-#ifdef PATH_MAX
-have_path_max_definition
+#if defined PATH_MAX || defined MAXPATHLEN
+have_arbitrary_file_name_length_limit
 #endif
 _ACEOF
 if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "have_path_max_definition" >/dev/null 2>&1; then
-  gl_have_path_max_definition=yes
+  $EGREP "have_arbitrary_file_name_length_limit" >/dev/null 2>&1; then
+  gl_have_arbitrary_file_name_length_limit=yes
 else
-  gl_have_path_max_definition=no
+  gl_have_arbitrary_file_name_length_limit=no
 fi
 rm -f conftest*
 
 fi
-{ echo "$as_me:$LINENO: result: $gl_have_path_max_definition" >&5
-echo "${ECHO_T}$gl_have_path_max_definition" >&6; }
+{ echo "$as_me:$LINENO: result: $gl_have_arbitrary_file_name_length_limit" >&5
+echo "${ECHO_T}$gl_have_arbitrary_file_name_length_limit" >&6; }
 
-  if test $gl_have_path_max_definition = yes; then
+  if test $gl_have_arbitrary_file_name_length_limit = yes; then
     case $LIBOBJS in
     "chdir-long.$ac_objext"   | \
   *" chdir-long.$ac_objext"   | \
@@ -45153,6 +46524,30 @@ done
 
 
 
+
+
+
+
+  # No system provides these functions; compile them unconditionally.
+  case $LIBOBJS in
+    "mkdirat.$ac_objext"   | \
+  *" mkdirat.$ac_objext"   | \
+    "mkdirat.$ac_objext "* | \
+  *" mkdirat.$ac_objext "* ) ;;
+  *) LIBOBJS="$LIBOBJS mkdirat.$ac_objext"
+ ;;
+esac
+
+  case $LIBOBJS in
+    "fchmodat.$ac_objext"   | \
+  *" fchmodat.$ac_objext"   | \
+    "fchmodat.$ac_objext "* | \
+  *" fchmodat.$ac_objext "* ) ;;
+  *) LIBOBJS="$LIBOBJS fchmodat.$ac_objext"
+ ;;
+esac
+
+
   case $LIBOBJS in
     "openat-die.$ac_objext"   | \
   *" openat-die.$ac_objext"   | \
@@ -45171,6 +46566,13 @@ esac
 
 
 
+  :
+
+
+
+
+
+
 for ac_func in openat
 do
 as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
@@ -45497,18 +46899,7 @@ esac
 
     :
 
-
-
-  :
-
-
-
-
-
-
-
-
-  { echo "$as_me:$LINENO: checking for socklen_t" >&5
+   { echo "$as_me:$LINENO: checking for socklen_t" >&5
 echo $ECHO_N "checking for socklen_t... $ECHO_C" >&6; }
 if test "${ac_cv_type_socklen_t+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -45519,14 +46910,12 @@ _ACEOF
 cat confdefs.h >>conftest.$ac_ext
 cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
-
-#ifdef HAVE_SYS_TYPES_H
-# include <sys/types.h>
-#endif
-#ifdef HAVE_SYS_SOCKET_H
-# include <sys/socket.h>
-#endif)
-
+#include <sys/types.h>
+      #if HAVE_SYS_SOCKET_H
+      # include <sys/socket.h>
+      #elif HAVE_WS2TCPIP_H
+      # include <ws2tcpip.h>
+      #endif
 
 int
 main ()
@@ -45575,13 +46964,96 @@ echo "${ECHO_T}$ac_cv_type_socklen_t" >&6; }
 if test $ac_cv_type_socklen_t = yes; then
   :
 else
+  { echo "$as_me:$LINENO: checking for socklen_t equivalent" >&5
+echo $ECHO_N "checking for socklen_t equivalent... $ECHO_C" >&6; }
+      if test "${gl_cv_gl_cv_socklen_t_equiv+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  # Systems have either "struct sockaddr *" or
+	 # "void *" as the second argument to getpeername
+	 gl_cv_socklen_t_equiv=
+	 for arg2 in "struct sockaddr" void; do
+	   for t in int size_t "unsigned int" "long int" "unsigned long int"; do
+	     cat >conftest.$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/socket.h>
 
-cat >>confdefs.h <<\_ACEOF
-#define socklen_t int
+		int getpeername (int, $arg2 *, $t *);
+int
+main ()
+{
+$t len;
+		getpeername (0, 0, &len);
+  ;
+  return 0;
+}
 _ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&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'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&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'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  gl_cv_socklen_t_equiv="$t"
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+	     test "$gl_cv_socklen_t_equiv" != "" && break
+	   done
+	   test "$gl_cv_socklen_t_equiv" != "" && break
+	 done
 
 fi
 
+      if test "$gl_cv_socklen_t_equiv" = ""; then
+	{ { echo "$as_me:$LINENO: error: Cannot find a type to use in place of socklen_t" >&5
+echo "$as_me: error: Cannot find a type to use in place of socklen_t" >&2;}
+   { (exit 1); exit 1; }; }
+      fi
+      { echo "$as_me:$LINENO: result: $gl_cv_socklen_t_equiv" >&5
+echo "${ECHO_T}$gl_cv_socklen_t_equiv" >&6; }
+
+cat >>confdefs.h <<_ACEOF
+#define socklen_t $gl_cv_socklen_t_equiv
+_ACEOF
+
+fi
+
+
+
+  case $LIBOBJS in
+    "fprintftime.$ac_objext"   | \
+  *" fprintftime.$ac_objext"   | \
+    "fprintftime.$ac_objext "* | \
+  *" fprintftime.$ac_objext "* ) ;;
+  *) LIBOBJS="$LIBOBJS fprintftime.$ac_objext"
+ ;;
+esac
+
 
 
 
@@ -46151,6 +47623,7 @@ fi
 
 
 
+
   # This is for od and stat, and any other program that
   # uses the PRI.MAX macros from inttypes.h.
 
@@ -49647,6 +51120,8 @@ fi
 
 
 
+
+
 { echo "$as_me:$LINENO: checking POSIX termios" >&5
 echo $ECHO_N "checking POSIX termios... $ECHO_C" >&6; }
 if test "${ac_cv_sys_posix_termios+set}" = set; then
@@ -54499,7 +55974,7 @@ _ACEOF
 
 
 
-ac_config_files="$ac_config_files Makefile doc/Makefile lib/Makefile man/Makefile po/Makefile.in src/Makefile tests/Makefile tests/basename/Makefile tests/chgrp/Makefile tests/chmod/Makefile tests/chown/Makefile tests/cp/Makefile tests/cut/Makefile tests/dd/Makefile tests/dircolors/Makefile tests/du/Makefile tests/expr/Makefile tests/factor/Makefile tests/fmt/Makefile tests/head/Makefile tests/install/Makefile tests/join/Makefile tests/ln/Makefile tests/ls-2/Makefile tests/ls/Makefile tests/md5sum/Makefile tests/misc/Makefile tests/mkdir/Makefile tests/mv/Makefile tests/od/Makefile tests/pr/Makefile tests/readlink/Makefile tests/rm/Makefile tests/rmdir/Makefile tests/seq/Makefile tests/sha1sum/Makefile tests/shred/Makefile tests/sort/Makefile tests/stty/Makefile tests/sum/Makefile tests/tac/Makefile tests/tail-2/Makefile tests/tail/Makefile tests/tee/Makefile tests/test/Makefile tests/touch/Makefile tests/tr/Makefile tests/tsort/Makefile tests/unexpand/Makefile tests/uniq/Makefile tests/wc/Makefile"
+ac_config_files="$ac_config_files Makefile doc/Makefile lib/Makefile man/Makefile po/Makefile.in src/Makefile tests/Makefile tests/chgrp/Makefile tests/chmod/Makefile tests/chown/Makefile tests/cp/Makefile tests/cut/Makefile tests/dd/Makefile tests/dircolors/Makefile tests/du/Makefile tests/expr/Makefile tests/factor/Makefile tests/fmt/Makefile tests/head/Makefile tests/install/Makefile tests/join/Makefile tests/ln/Makefile tests/ls-2/Makefile tests/ls/Makefile tests/md5sum/Makefile tests/misc/Makefile tests/mkdir/Makefile tests/mv/Makefile tests/od/Makefile tests/pr/Makefile tests/readlink/Makefile tests/rm/Makefile tests/rmdir/Makefile tests/seq/Makefile tests/sha1sum/Makefile tests/shred/Makefile tests/sort/Makefile tests/stty/Makefile tests/sum/Makefile tests/tac/Makefile tests/tail-2/Makefile tests/tail/Makefile tests/tee/Makefile tests/test/Makefile tests/touch/Makefile tests/tr/Makefile tests/tsort/Makefile tests/unexpand/Makefile tests/uniq/Makefile tests/wc/Makefile"
 
 cat >confcache <<\_ACEOF
 # This file is a shell script that caches the results of configure
@@ -54592,13 +56067,6 @@ echo "$as_me: error: conditional \"am__fastdepCC\" was never defined.
 Usually this means the macro was only invoked conditionally." >&2;}
    { (exit 1); exit 1; }; }
 fi
-if test -z "${am__fastdepCC_TRUE}" && test -z "${am__fastdepCC_FALSE}"; then
-  { { echo "$as_me:$LINENO: error: conditional \"am__fastdepCC\" was never defined.
-Usually this means the macro was only invoked conditionally." >&5
-echo "$as_me: error: conditional \"am__fastdepCC\" was never defined.
-Usually this means the macro was only invoked conditionally." >&2;}
-   { (exit 1); exit 1; }; }
-fi
 
 : ${CONFIG_STATUS=./config.status}
 ac_clean_files_save=$ac_clean_files
@@ -54862,7 +56330,7 @@ exec 6>&1
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by GNU coreutils $as_me 5.92, which was
+This file was extended by GNU coreutils $as_me 6.0-cvs, which was
 generated by GNU Autoconf 2.59c.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -54915,7 +56383,7 @@ Report bugs to <bug-autoconf@gnu.org>."
 _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF
 ac_cs_version="\\
-GNU coreutils config.status 5.92
+GNU coreutils config.status 6.0-cvs
 configured by $0, generated by GNU Autoconf 2.59c,
   with options \\"`echo "$ac_configure_args" | sed 's/[\\""\`\$]/\\\\&/g'`\\"
 
@@ -55039,7 +56507,6 @@ do
     po/Makefile.in) CONFIG_FILES="$CONFIG_FILES po/Makefile.in" ;;
     src/Makefile) CONFIG_FILES="$CONFIG_FILES src/Makefile" ;;
     tests/Makefile) CONFIG_FILES="$CONFIG_FILES tests/Makefile" ;;
-    tests/basename/Makefile) CONFIG_FILES="$CONFIG_FILES tests/basename/Makefile" ;;
     tests/chgrp/Makefile) CONFIG_FILES="$CONFIG_FILES tests/chgrp/Makefile" ;;
     tests/chmod/Makefile) CONFIG_FILES="$CONFIG_FILES tests/chmod/Makefile" ;;
     tests/chown/Makefile) CONFIG_FILES="$CONFIG_FILES tests/chown/Makefile" ;;
@@ -55281,6 +56748,7 @@ STDBOOL_H!$STDBOOL_H$ac_delim
 HAVE__BOOL!$HAVE__BOOL$ac_delim
 ALLOCA!$ALLOCA$ac_delim
 ALLOCA_H!$ALLOCA_H$ac_delim
+SYS_SOCKET_H!$SYS_SOCKET_H$ac_delim
 FNMATCH_H!$FNMATCH_H$ac_delim
 NEED_SETGID!$NEED_SETGID$ac_delim
 KMEM_GROUP!$KMEM_GROUP$ac_delim
@@ -55294,7 +56762,11 @@ LIB_CLOCK_GETTIME!$LIB_CLOCK_GETTIME$ac_delim
 LIB_GETHRXTIME!$LIB_GETHRXTIME$ac_delim
 GETOPT_H!$GETOPT_H$ac_delim
 GLIBC21!$GLIBC21$ac_delim
+HAVE_LONG_64BIT!$HAVE_LONG_64BIT$ac_delim
+HAVE_LONG_LONG_64BIT!$HAVE_LONG_LONG_64BIT$ac_delim
+STDINT_H!$STDINT_H$ac_delim
 LIB_NANOSLEEP!$LIB_NANOSLEEP$ac_delim
+LIB_ACL!$LIB_ACL$ac_delim
 LIB_FDATASYNC!$LIB_FDATASYNC$ac_delim
 SEQ_LIBM!$SEQ_LIBM$ac_delim
 LIBICONV!$LIBICONV$ac_delim
@@ -55314,7 +56786,7 @@ POSUB!$POSUB$ac_delim
 LTLIBOBJS!$LTLIBOBJS$ac_delim
 _ACEOF
 
-  if test `grep -c "$ac_delim\$" conf$$subs.sed` = 36; then
+  if test `grep -c "$ac_delim\$" conf$$subs.sed` = 41; then
     break
   elif $ac_last_try; then
     { { echo "$as_me:$LINENO: error: could not make $CONFIG_STATUS" >&5
diff --git a/doc/Makefile.in b/doc/Makefile.in
index fb90b9f78..46a799f98 100644
--- a/doc/Makefile.in
+++ b/doc/Makefile.in
@@ -55,9 +55,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/lib/Makefile.in b/lib/Makefile.in
index a7bff45f5..9a5958060 100644
--- a/lib/Makefile.in
+++ b/lib/Makefile.in
@@ -115,9 +115,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/man/Makefile.in b/man/Makefile.in
index d2095c019..f0196ce5e 100644
--- a/man/Makefile.in
+++ b/man/Makefile.in
@@ -55,9 +55,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/src/Makefile.in b/src/Makefile.in
index cef845a30..01325eb15 100644
--- a/src/Makefile.in
+++ b/src/Makefile.in
@@ -83,9 +83,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/chgrp/Makefile.in b/tests/chgrp/Makefile.in
index 43cc0aa59..f3e9c5327 100644
--- a/tests/chgrp/Makefile.in
+++ b/tests/chgrp/Makefile.in
@@ -54,9 +54,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/chmod/Makefile.in b/tests/chmod/Makefile.in
index e2b516323..cbe88cc77 100644
--- a/tests/chmod/Makefile.in
+++ b/tests/chmod/Makefile.in
@@ -54,9 +54,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/chown/Makefile.in b/tests/chown/Makefile.in
index 11a1db235..eb432a862 100644
--- a/tests/chown/Makefile.in
+++ b/tests/chown/Makefile.in
@@ -54,9 +54,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/cp/Makefile.in b/tests/cp/Makefile.in
index 89c215092..5b3804263 100644
--- a/tests/cp/Makefile.in
+++ b/tests/cp/Makefile.in
@@ -54,9 +54,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/cut/Makefile.in b/tests/cut/Makefile.in
index ceca64bbf..6c935cfa6 100644
--- a/tests/cut/Makefile.in
+++ b/tests/cut/Makefile.in
@@ -55,9 +55,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/dd/Makefile.in b/tests/dd/Makefile.in
index 421c9497a..e446e34c0 100644
--- a/tests/dd/Makefile.in
+++ b/tests/dd/Makefile.in
@@ -54,9 +54,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/dircolors/Makefile.in b/tests/dircolors/Makefile.in
index 7e26e66c6..ccf7d5623 100644
--- a/tests/dircolors/Makefile.in
+++ b/tests/dircolors/Makefile.in
@@ -54,9 +54,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/du/Makefile.in b/tests/du/Makefile.in
index 976571fb4..61037474d 100644
--- a/tests/du/Makefile.in
+++ b/tests/du/Makefile.in
@@ -54,9 +54,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/expr/Makefile.in b/tests/expr/Makefile.in
index b3fb3a562..b7c9fa881 100644
--- a/tests/expr/Makefile.in
+++ b/tests/expr/Makefile.in
@@ -54,9 +54,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/factor/Makefile.in b/tests/factor/Makefile.in
index 3e7791a80..a6b675f93 100644
--- a/tests/factor/Makefile.in
+++ b/tests/factor/Makefile.in
@@ -54,9 +54,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/fmt/Makefile.in b/tests/fmt/Makefile.in
index 185558f93..ab65e82d2 100644
--- a/tests/fmt/Makefile.in
+++ b/tests/fmt/Makefile.in
@@ -54,9 +54,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/head/Makefile.in b/tests/head/Makefile.in
index 865f86e0e..0f1e35ec3 100644
--- a/tests/head/Makefile.in
+++ b/tests/head/Makefile.in
@@ -55,9 +55,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/install/Makefile.in b/tests/install/Makefile.in
index d7da41765..475e5f9da 100644
--- a/tests/install/Makefile.in
+++ b/tests/install/Makefile.in
@@ -54,9 +54,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/join/Makefile.in b/tests/join/Makefile.in
index 8b1a8d525..b7cbc859b 100644
--- a/tests/join/Makefile.in
+++ b/tests/join/Makefile.in
@@ -55,9 +55,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/ln/Makefile.in b/tests/ln/Makefile.in
index c923e201a..f9ca58e1f 100644
--- a/tests/ln/Makefile.in
+++ b/tests/ln/Makefile.in
@@ -54,9 +54,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/ls-2/Makefile.in b/tests/ls-2/Makefile.in
index 600070954..1313e30b0 100644
--- a/tests/ls-2/Makefile.in
+++ b/tests/ls-2/Makefile.in
@@ -54,9 +54,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/ls/Makefile.in b/tests/ls/Makefile.in
index 3d856e313..69f4c19a6 100644
--- a/tests/ls/Makefile.in
+++ b/tests/ls/Makefile.in
@@ -54,9 +54,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/md5sum/Makefile.in b/tests/md5sum/Makefile.in
index f08654435..5fed6b47b 100644
--- a/tests/md5sum/Makefile.in
+++ b/tests/md5sum/Makefile.in
@@ -54,9 +54,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/misc/Makefile.in b/tests/misc/Makefile.in
index 3a15a738b..1fd8c788d 100644
--- a/tests/misc/Makefile.in
+++ b/tests/misc/Makefile.in
@@ -54,9 +54,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
@@ -316,30 +317,41 @@ TESTS_ENVIRONMENT = \
 
 TESTS = \
   base64 \
-  test \
-  mknod \
-  stat-printf \
-  stat-fmt \
-  sort-rand \
-  sha224sum \
-  sha256sum \
-  sha384sum \
-  sha512sum \
-  date \
-  tac-continue \
+  basename \
   close-stdout \
-  pwd \
+  csplit \
+  date \
   date-sec \
-  paste-no-nl \
+  dirname \
   expand \
+  false \
   fold \
-  nohup \
+  head-c \
   head-elide-tail \
-  split-fail \
-  false \
-  tty-eof \
+  head-pos \
+  mknod \
+  nice \
+  nl \
+  nohup \
+  paste-no-nl \
+  pathchk1 \
+  printf \
   printf-hex \
-  nl split-l printf split-a head-pos sort head-c csplit nice pathchk1
+  pwd \
+  sha224sum \
+  sha256sum \
+  sha384sum \
+  sha512sum \
+  sort \
+  sort-rand \
+  split-a \
+  split-fail \
+  split-l \
+  stat-fmt \
+  stat-printf \
+  tac-continue \
+  test \
+  tty-eof
 
 all: all-am
 
diff --git a/tests/mkdir/Makefile.in b/tests/mkdir/Makefile.in
index 8bf553453..07178a437 100644
--- a/tests/mkdir/Makefile.in
+++ b/tests/mkdir/Makefile.in
@@ -54,9 +54,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/mv/Makefile.in b/tests/mv/Makefile.in
index 80857a8a2..9fcc68eed 100644
--- a/tests/mv/Makefile.in
+++ b/tests/mv/Makefile.in
@@ -54,9 +54,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/od/Makefile.in b/tests/od/Makefile.in
index 8f79bf766..4f8258388 100644
--- a/tests/od/Makefile.in
+++ b/tests/od/Makefile.in
@@ -54,9 +54,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/pr/Makefile.in b/tests/pr/Makefile.in
index bea354648..9fa6ab29a 100644
--- a/tests/pr/Makefile.in
+++ b/tests/pr/Makefile.in
@@ -55,9 +55,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/readlink/Makefile.in b/tests/readlink/Makefile.in
index cd487a0bf..b7fd3e0fe 100644
--- a/tests/readlink/Makefile.in
+++ b/tests/readlink/Makefile.in
@@ -54,9 +54,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/rm/Makefile.in b/tests/rm/Makefile.in
index 1be77c31e..877dbab36 100644
--- a/tests/rm/Makefile.in
+++ b/tests/rm/Makefile.in
@@ -54,9 +54,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/rmdir/Makefile.in b/tests/rmdir/Makefile.in
index edd8a0276..a474ac4f4 100644
--- a/tests/rmdir/Makefile.in
+++ b/tests/rmdir/Makefile.in
@@ -54,9 +54,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/seq/Makefile.in b/tests/seq/Makefile.in
index f30bfae3c..214265cb9 100644
--- a/tests/seq/Makefile.in
+++ b/tests/seq/Makefile.in
@@ -54,9 +54,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/sha1sum/Makefile.in b/tests/sha1sum/Makefile.in
index 12acd1921..bbbd79130 100644
--- a/tests/sha1sum/Makefile.in
+++ b/tests/sha1sum/Makefile.in
@@ -54,9 +54,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/shred/Makefile.in b/tests/shred/Makefile.in
index 4cc463e55..896885917 100644
--- a/tests/shred/Makefile.in
+++ b/tests/shred/Makefile.in
@@ -54,9 +54,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/sort/Makefile.in b/tests/sort/Makefile.in
index dcf467711..c8549f7e8 100644
--- a/tests/sort/Makefile.in
+++ b/tests/sort/Makefile.in
@@ -55,9 +55,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/stty/Makefile.in b/tests/stty/Makefile.in
index 86aff01f5..4710b264e 100644
--- a/tests/stty/Makefile.in
+++ b/tests/stty/Makefile.in
@@ -54,9 +54,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/sum/Makefile.in b/tests/sum/Makefile.in
index 96c674a59..a4b9ec486 100644
--- a/tests/sum/Makefile.in
+++ b/tests/sum/Makefile.in
@@ -54,9 +54,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/tac/Makefile.in b/tests/tac/Makefile.in
index 4edf1dba5..a65dc4dad 100644
--- a/tests/tac/Makefile.in
+++ b/tests/tac/Makefile.in
@@ -55,9 +55,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/tail-2/Makefile.in b/tests/tail-2/Makefile.in
index 856c7db9f..6f0bc333c 100644
--- a/tests/tail-2/Makefile.in
+++ b/tests/tail-2/Makefile.in
@@ -54,9 +54,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/tail/Makefile.in b/tests/tail/Makefile.in
index 3af4456ff..6abf485cf 100644
--- a/tests/tail/Makefile.in
+++ b/tests/tail/Makefile.in
@@ -55,9 +55,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/tee/Makefile.in b/tests/tee/Makefile.in
index fd677d76a..b54854992 100644
--- a/tests/tee/Makefile.in
+++ b/tests/tee/Makefile.in
@@ -54,9 +54,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/test/Makefile.in b/tests/test/Makefile.in
index 3610fefd9..8208c4ed1 100644
--- a/tests/test/Makefile.in
+++ b/tests/test/Makefile.in
@@ -55,9 +55,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/touch/Makefile.in b/tests/touch/Makefile.in
index a6ccccb41..52d1cf0ad 100644
--- a/tests/touch/Makefile.in
+++ b/tests/touch/Makefile.in
@@ -54,9 +54,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/tr/Makefile.in b/tests/tr/Makefile.in
index 38f9f1689..dad713cbd 100644
--- a/tests/tr/Makefile.in
+++ b/tests/tr/Makefile.in
@@ -55,9 +55,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/tsort/Makefile.in b/tests/tsort/Makefile.in
index 25b72c992..6820ab7f1 100644
--- a/tests/tsort/Makefile.in
+++ b/tests/tsort/Makefile.in
@@ -54,9 +54,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/unexpand/Makefile.in b/tests/unexpand/Makefile.in
index 7476256bb..673181152 100644
--- a/tests/unexpand/Makefile.in
+++ b/tests/unexpand/Makefile.in
@@ -54,9 +54,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/uniq/Makefile.in b/tests/uniq/Makefile.in
index bb0453d4a..654495b9a 100644
--- a/tests/uniq/Makefile.in
+++ b/tests/uniq/Makefile.in
@@ -55,9 +55,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/wc/Makefile.in b/tests/wc/Makefile.in
index 53388a162..7678d8bbe 100644
--- a/tests/wc/Makefile.in
+++ b/tests/wc/Makefile.in
@@ -55,9 +55,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \