gnulib: import various network functions

Some sim ports use these to provide networking functionality via the dv-sockser module or via direct emulation for a few ports. Gdb seems to build just fine still too.
author: Mike Frysinger <vapier@gentoo.org> 2021-05-29 15:57:48 -0400
committer: Mike Frysinger <vapier@gentoo.org> 2021-09-08 17:48:09 -0400
commit: c54d02bce6437ae8f0d21f86cbf62392362d35d8 (patch)
tree: e879d62cbe57dbc54959be23831757d6015df741
parent: 828a9ed9ca86020a6dc08c6582d22b4953039623 (diff)
download: gdb-c54d02bce6437ae8f0d21f86cbf62392362d35d8.zip
gdb-c54d02bce6437ae8f0d21f86cbf62392362d35d8.tar.gz
gdb-c54d02bce6437ae8f0d21f86cbf62392362d35d8.tar.bz2
13 files changed, 1711 insertions, 1043 deletions
diff --git a/gnulib/config.in b/gnulib/config.in
index db04597..dd960bf 100644
--- a/gnulib/config.in
+++ b/gnulib/config.in
@@ -143,6 +143,12 @@
    whether the gnulib module tempname shall be considered present. */
 #undef GNULIB_TEMPNAME
 
+/* Define to 1 when the gnulib module accept should be tested. */
+#undef GNULIB_TEST_ACCEPT
+
+/* Define to 1 when the gnulib module bind should be tested. */
+#undef GNULIB_TEST_BIND
+
 /* Define to 1 when the gnulib module btowc should be tested. */
 #undef GNULIB_TEST_BTOWC
 
@@ -165,6 +171,9 @@
 /* Define to 1 when the gnulib module closedir should be tested. */
 #undef GNULIB_TEST_CLOSEDIR
 
+/* Define to 1 when the gnulib module connect should be tested. */
+#undef GNULIB_TEST_CONNECT
+
 /* Define to 1 when the gnulib module dirfd should be tested. */
 #undef GNULIB_TEST_DIRFD
 
@@ -228,6 +237,9 @@
 /* Define to 1 when the gnulib module glob should be tested. */
 #undef GNULIB_TEST_GLOB
 
+/* Define to 1 when the gnulib module listen should be tested. */
+#undef GNULIB_TEST_LISTEN
+
 /* Define to 1 when the gnulib module lstat should be tested. */
 #undef GNULIB_TEST_LSTAT
 
@@ -312,6 +324,12 @@
 /* Define to 1 when the gnulib module setlocale_null should be tested. */
 #undef GNULIB_TEST_SETLOCALE_NULL
 
+/* Define to 1 when the gnulib module setsockopt should be tested. */
+#undef GNULIB_TEST_SETSOCKOPT
+
+/* Define to 1 when the gnulib module socket should be tested. */
+#undef GNULIB_TEST_SOCKET
+
 /* Define to 1 when the gnulib module stat should be tested. */
 #undef GNULIB_TEST_STAT
 
diff --git a/gnulib/configure b/gnulib/configure
index c212281..39555af 100644
--- a/gnulib/configure
+++ b/gnulib/configure
@@ -979,28 +979,6 @@ GL_GENERATE_LIMITS_H_TRUE
 LIMITS_H
 NEXT_AS_FIRST_DIRECTIVE_LIMITS_H
 NEXT_LIMITS_H
-HAVE_SYS_SOCKET_H
-NEXT_AS_FIRST_DIRECTIVE_SYS_SOCKET_H
-NEXT_SYS_SOCKET_H
-HAVE_ACCEPT4
-HAVE_SA_FAMILY_T
-HAVE_STRUCT_SOCKADDR_STORAGE_SS_FAMILY
-HAVE_STRUCT_SOCKADDR_STORAGE
-GNULIB_ACCEPT4
-GNULIB_SHUTDOWN
-GNULIB_SETSOCKOPT
-GNULIB_SENDTO
-GNULIB_RECVFROM
-GNULIB_SEND
-GNULIB_RECV
-GNULIB_LISTEN
-GNULIB_GETSOCKOPT
-GNULIB_GETSOCKNAME
-GNULIB_GETPEERNAME
-GNULIB_BIND
-GNULIB_ACCEPT
-GNULIB_CONNECT
-GNULIB_SOCKET
 INET_NTOP_LIB
 LIB_HARD_LOCALE
 LIB_SETLOCALE_NULL
@@ -1540,184 +1518,8 @@ GNULIB_CLOSEDIR
 GNULIB_REWINDDIR
 GNULIB_READDIR
 GNULIB_OPENDIR
-HAVE_WINSOCK2_H
 HAVE_MSVC_INVALID_PARAMETER_HANDLER
 LIB_CLOCK_GETTIME
-UNISTD_H_HAVE_WINSOCK2_H_AND_USE_SOCKETS
-UNISTD_H_HAVE_WINSOCK2_H
-UNISTD_H_HAVE_SYS_RANDOM_H
-REPLACE_WRITE
-REPLACE_USLEEP
-REPLACE_UNLINKAT
-REPLACE_UNLINK
-REPLACE_TTYNAME_R
-REPLACE_TRUNCATE
-REPLACE_SYMLINKAT
-REPLACE_SYMLINK
-REPLACE_SLEEP
-REPLACE_RMDIR
-REPLACE_READLINKAT
-REPLACE_READLINK
-REPLACE_READ
-REPLACE_PWRITE
-REPLACE_PREAD
-REPLACE_LSEEK
-REPLACE_LINKAT
-REPLACE_LINK
-REPLACE_LCHOWN
-REPLACE_ISATTY
-REPLACE_GETPASS
-REPLACE_GETPAGESIZE
-REPLACE_GETGROUPS
-REPLACE_GETLOGIN_R
-REPLACE_GETDTABLESIZE
-REPLACE_GETDOMAINNAME
-REPLACE_GETCWD
-REPLACE_FTRUNCATE
-REPLACE_FCHOWNAT
-REPLACE_FACCESSAT
-REPLACE_EXECVPE
-REPLACE_EXECVP
-REPLACE_EXECVE
-REPLACE_EXECV
-REPLACE_EXECLP
-REPLACE_EXECLE
-REPLACE_EXECL
-REPLACE_DUP2
-REPLACE_DUP
-REPLACE_CLOSE
-REPLACE_CHOWN
-REPLACE_ACCESS
-HAVE_SYS_PARAM_H
-HAVE_OS_H
-HAVE_DECL_TTYNAME_R
-HAVE_DECL_TRUNCATE
-HAVE_DECL_SETHOSTNAME
-HAVE_DECL_GETUSERSHELL
-HAVE_DECL_GETPAGESIZE
-HAVE_DECL_GETLOGIN_R
-HAVE_DECL_GETLOGIN
-HAVE_DECL_GETDOMAINNAME
-HAVE_DECL_FDATASYNC
-HAVE_DECL_FCHDIR
-HAVE_DECL_EXECVPE
-HAVE_DECL_ENVIRON
-HAVE_USLEEP
-HAVE_UNLINKAT
-HAVE_SYMLINKAT
-HAVE_SYMLINK
-HAVE_SLEEP
-HAVE_SETHOSTNAME
-HAVE_READLINKAT
-HAVE_READLINK
-HAVE_PWRITE
-HAVE_PREAD
-HAVE_PIPE2
-HAVE_PIPE
-HAVE_LINKAT
-HAVE_LINK
-HAVE_LCHOWN
-HAVE_GROUP_MEMBER
-HAVE_GETPASS
-HAVE_GETPAGESIZE
-HAVE_GETLOGIN
-HAVE_GETHOSTNAME
-HAVE_GETGROUPS
-HAVE_GETENTROPY
-HAVE_GETDTABLESIZE
-HAVE_FTRUNCATE
-HAVE_FSYNC
-HAVE_FDATASYNC
-HAVE_FCHOWNAT
-HAVE_FCHDIR
-HAVE_FACCESSAT
-HAVE_EXECVPE
-HAVE_EUIDACCESS
-HAVE_DUP3
-HAVE_COPY_FILE_RANGE
-HAVE_CHOWN
-GNULIB_MDA_WRITE
-GNULIB_MDA_UNLINK
-GNULIB_MDA_SWAB
-GNULIB_MDA_RMDIR
-GNULIB_MDA_READ
-GNULIB_MDA_LSEEK
-GNULIB_MDA_ISATTY
-GNULIB_MDA_GETPID
-GNULIB_MDA_GETCWD
-GNULIB_MDA_EXECVPE
-GNULIB_MDA_EXECVP
-GNULIB_MDA_EXECVE
-GNULIB_MDA_EXECV
-GNULIB_MDA_EXECLP
-GNULIB_MDA_EXECLE
-GNULIB_MDA_EXECL
-GNULIB_MDA_DUP2
-GNULIB_MDA_DUP
-GNULIB_MDA_CLOSE
-GNULIB_MDA_CHDIR
-GNULIB_MDA_ACCESS
-GNULIB_WRITE
-GNULIB_USLEEP
-GNULIB_UNLINKAT
-GNULIB_UNLINK
-GNULIB_UNISTD_H_SIGPIPE
-GNULIB_UNISTD_H_NONBLOCKING
-GNULIB_TTYNAME_R
-GNULIB_TRUNCATE
-GNULIB_SYMLINKAT
-GNULIB_SYMLINK
-GNULIB_SLEEP
-GNULIB_SETHOSTNAME
-GNULIB_RMDIR
-GNULIB_READLINKAT
-GNULIB_READLINK
-GNULIB_READ
-GNULIB_PWRITE
-GNULIB_PREAD
-GNULIB_PIPE2
-GNULIB_PIPE
-GNULIB_LSEEK
-GNULIB_LINKAT
-GNULIB_LINK
-GNULIB_LCHOWN
-GNULIB_ISATTY
-GNULIB_GROUP_MEMBER
-GNULIB_GETUSERSHELL
-GNULIB_GETPASS
-GNULIB_GETPAGESIZE
-GNULIB_GETOPT_POSIX
-GNULIB_GETLOGIN_R
-GNULIB_GETLOGIN
-GNULIB_GETHOSTNAME
-GNULIB_GETGROUPS
-GNULIB_GETENTROPY
-GNULIB_GETDTABLESIZE
-GNULIB_GETDOMAINNAME
-GNULIB_GETCWD
-GNULIB_FTRUNCATE
-GNULIB_FSYNC
-GNULIB_FDATASYNC
-GNULIB_FCHOWNAT
-GNULIB_FCHDIR
-GNULIB_FACCESSAT
-GNULIB_EXECVPE
-GNULIB_EXECVP
-GNULIB_EXECVE
-GNULIB_EXECV
-GNULIB_EXECLP
-GNULIB_EXECLE
-GNULIB_EXECL
-GNULIB_EUIDACCESS
-GNULIB_ENVIRON
-GNULIB_DUP3
-GNULIB_DUP2
-GNULIB_DUP
-GNULIB_COPY_FILE_RANGE
-GNULIB_CLOSE
-GNULIB_CHOWN
-GNULIB_CHDIR
-GNULIB_ACCESS
 REPLACE_WCTOMB
 REPLACE_UNSETENV
 REPLACE_STRTOLD
@@ -1927,14 +1729,9 @@ GNULIB_MBSINIT
 GNULIB_WCTOB
 GNULIB_BTOWC
 MKDIR_P
-HAVE_WS2TCPIP_H
 HAVE_FEATURES_H
 NEXT_AS_FIRST_DIRECTIVE_ARPA_INET_H
 NEXT_ARPA_INET_H
-PRAGMA_COLUMNS
-PRAGMA_SYSTEM_HEADER
-INCLUDE_NEXT_AS_FIRST_DIRECTIVE
-INCLUDE_NEXT
 HAVE_ARPA_INET_H
 REPLACE_INET_PTON
 REPLACE_INET_NTOP
@@ -1947,6 +1744,209 @@ GL_GENERATE_ALLOCA_H_FALSE
 GL_GENERATE_ALLOCA_H_TRUE
 ALLOCA_H
 ALLOCA
+HAVE_WINSOCK2_H
+UNISTD_H_HAVE_WINSOCK2_H_AND_USE_SOCKETS
+UNISTD_H_HAVE_WINSOCK2_H
+UNISTD_H_HAVE_SYS_RANDOM_H
+REPLACE_WRITE
+REPLACE_USLEEP
+REPLACE_UNLINKAT
+REPLACE_UNLINK
+REPLACE_TTYNAME_R
+REPLACE_TRUNCATE
+REPLACE_SYMLINKAT
+REPLACE_SYMLINK
+REPLACE_SLEEP
+REPLACE_RMDIR
+REPLACE_READLINKAT
+REPLACE_READLINK
+REPLACE_READ
+REPLACE_PWRITE
+REPLACE_PREAD
+REPLACE_LSEEK
+REPLACE_LINKAT
+REPLACE_LINK
+REPLACE_LCHOWN
+REPLACE_ISATTY
+REPLACE_GETPASS
+REPLACE_GETPAGESIZE
+REPLACE_GETGROUPS
+REPLACE_GETLOGIN_R
+REPLACE_GETDTABLESIZE
+REPLACE_GETDOMAINNAME
+REPLACE_GETCWD
+REPLACE_FTRUNCATE
+REPLACE_FCHOWNAT
+REPLACE_FACCESSAT
+REPLACE_EXECVPE
+REPLACE_EXECVP
+REPLACE_EXECVE
+REPLACE_EXECV
+REPLACE_EXECLP
+REPLACE_EXECLE
+REPLACE_EXECL
+REPLACE_DUP2
+REPLACE_DUP
+REPLACE_CLOSE
+REPLACE_CHOWN
+REPLACE_ACCESS
+HAVE_SYS_PARAM_H
+HAVE_OS_H
+HAVE_DECL_TTYNAME_R
+HAVE_DECL_TRUNCATE
+HAVE_DECL_SETHOSTNAME
+HAVE_DECL_GETUSERSHELL
+HAVE_DECL_GETPAGESIZE
+HAVE_DECL_GETLOGIN_R
+HAVE_DECL_GETLOGIN
+HAVE_DECL_GETDOMAINNAME
+HAVE_DECL_FDATASYNC
+HAVE_DECL_FCHDIR
+HAVE_DECL_EXECVPE
+HAVE_DECL_ENVIRON
+HAVE_USLEEP
+HAVE_UNLINKAT
+HAVE_SYMLINKAT
+HAVE_SYMLINK
+HAVE_SLEEP
+HAVE_SETHOSTNAME
+HAVE_READLINKAT
+HAVE_READLINK
+HAVE_PWRITE
+HAVE_PREAD
+HAVE_PIPE2
+HAVE_PIPE
+HAVE_LINKAT
+HAVE_LINK
+HAVE_LCHOWN
+HAVE_GROUP_MEMBER
+HAVE_GETPASS
+HAVE_GETPAGESIZE
+HAVE_GETLOGIN
+HAVE_GETHOSTNAME
+HAVE_GETGROUPS
+HAVE_GETENTROPY
+HAVE_GETDTABLESIZE
+HAVE_FTRUNCATE
+HAVE_FSYNC
+HAVE_FDATASYNC
+HAVE_FCHOWNAT
+HAVE_FCHDIR
+HAVE_FACCESSAT
+HAVE_EXECVPE
+HAVE_EUIDACCESS
+HAVE_DUP3
+HAVE_COPY_FILE_RANGE
+HAVE_CHOWN
+GNULIB_MDA_WRITE
+GNULIB_MDA_UNLINK
+GNULIB_MDA_SWAB
+GNULIB_MDA_RMDIR
+GNULIB_MDA_READ
+GNULIB_MDA_LSEEK
+GNULIB_MDA_ISATTY
+GNULIB_MDA_GETPID
+GNULIB_MDA_GETCWD
+GNULIB_MDA_EXECVPE
+GNULIB_MDA_EXECVP
+GNULIB_MDA_EXECVE
+GNULIB_MDA_EXECV
+GNULIB_MDA_EXECLP
+GNULIB_MDA_EXECLE
+GNULIB_MDA_EXECL
+GNULIB_MDA_DUP2
+GNULIB_MDA_DUP
+GNULIB_MDA_CLOSE
+GNULIB_MDA_CHDIR
+GNULIB_MDA_ACCESS
+GNULIB_WRITE
+GNULIB_USLEEP
+GNULIB_UNLINKAT
+GNULIB_UNLINK
+GNULIB_UNISTD_H_SIGPIPE
+GNULIB_UNISTD_H_NONBLOCKING
+GNULIB_TTYNAME_R
+GNULIB_TRUNCATE
+GNULIB_SYMLINKAT
+GNULIB_SYMLINK
+GNULIB_SLEEP
+GNULIB_SETHOSTNAME
+GNULIB_RMDIR
+GNULIB_READLINKAT
+GNULIB_READLINK
+GNULIB_READ
+GNULIB_PWRITE
+GNULIB_PREAD
+GNULIB_PIPE2
+GNULIB_PIPE
+GNULIB_LSEEK
+GNULIB_LINKAT
+GNULIB_LINK
+GNULIB_LCHOWN
+GNULIB_ISATTY
+GNULIB_GROUP_MEMBER
+GNULIB_GETUSERSHELL
+GNULIB_GETPASS
+GNULIB_GETPAGESIZE
+GNULIB_GETOPT_POSIX
+GNULIB_GETLOGIN_R
+GNULIB_GETLOGIN
+GNULIB_GETHOSTNAME
+GNULIB_GETGROUPS
+GNULIB_GETENTROPY
+GNULIB_GETDTABLESIZE
+GNULIB_GETDOMAINNAME
+GNULIB_GETCWD
+GNULIB_FTRUNCATE
+GNULIB_FSYNC
+GNULIB_FDATASYNC
+GNULIB_FCHOWNAT
+GNULIB_FCHDIR
+GNULIB_FACCESSAT
+GNULIB_EXECVPE
+GNULIB_EXECVP
+GNULIB_EXECVE
+GNULIB_EXECV
+GNULIB_EXECLP
+GNULIB_EXECLE
+GNULIB_EXECL
+GNULIB_EUIDACCESS
+GNULIB_ENVIRON
+GNULIB_DUP3
+GNULIB_DUP2
+GNULIB_DUP
+GNULIB_COPY_FILE_RANGE
+GNULIB_CLOSE
+GNULIB_CHOWN
+GNULIB_CHDIR
+GNULIB_ACCESS
+HAVE_WS2TCPIP_H
+HAVE_SYS_SOCKET_H
+NEXT_AS_FIRST_DIRECTIVE_SYS_SOCKET_H
+NEXT_SYS_SOCKET_H
+PRAGMA_COLUMNS
+PRAGMA_SYSTEM_HEADER
+INCLUDE_NEXT_AS_FIRST_DIRECTIVE
+INCLUDE_NEXT
+HAVE_ACCEPT4
+HAVE_SA_FAMILY_T
+HAVE_STRUCT_SOCKADDR_STORAGE_SS_FAMILY
+HAVE_STRUCT_SOCKADDR_STORAGE
+GNULIB_ACCEPT4
+GNULIB_SHUTDOWN
+GNULIB_SETSOCKOPT
+GNULIB_SENDTO
+GNULIB_RECVFROM
+GNULIB_SEND
+GNULIB_RECV
+GNULIB_LISTEN
+GNULIB_GETSOCKOPT
+GNULIB_GETSOCKNAME
+GNULIB_GETPEERNAME
+GNULIB_BIND
+GNULIB_ACCEPT
+GNULIB_CONNECT
+GNULIB_SOCKET
 GL_COND_LIBTOOL_FALSE
 GL_COND_LIBTOOL_TRUE
 RANLIB
@@ -2956,11 +2956,10 @@ fi
 
 } # ac_fn_c_try_link
 
-# ac_fn_c_check_type LINENO TYPE VAR INCLUDES
-# -------------------------------------------
-# Tests whether TYPE exists after having included INCLUDES, setting cache
-# variable VAR accordingly.
-ac_fn_c_check_type ()
+# ac_fn_c_check_func LINENO FUNC VAR
+# ----------------------------------
+# Tests whether FUNC exists, setting the cache variable VAR accordingly
+ac_fn_c_check_func ()
 {
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
@@ -2968,47 +2967,61 @@ $as_echo_n "checking for $2... " >&6; }
 if eval \${$3+:} false; then :
   $as_echo_n "(cached) " >&6
 else
-  eval "$3=no"
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-$4
-int
-main ()
-{
-if (sizeof ($2))
-	 return 0;
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
-$4
+/* Define $2 to an innocuous variant, in case <limits.h> declares $2.
+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
+#define $2 innocuous_$2
+
+/* System header to define __stub macros and hopefully few prototypes,
+    which can conflict with char $2 (); 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 $2
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char $2 ();
+/* 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_$2 || defined __stub___$2
+choke me
+#endif
+
 int
 main ()
 {
-if (sizeof (($2)))
-	    return 0;
+return $2 ();
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-
-else
+if ac_fn_c_try_link "$LINENO"; then :
   eval "$3=yes"
+else
+  eval "$3=no"
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 fi
 eval ac_res=\$$3
 	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 $as_echo "$ac_res" >&6; }
   eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
 
-} # ac_fn_c_check_type
+} # ac_fn_c_check_func
 
 # ac_fn_c_check_header_mongrel LINENO HEADER VAR INCLUDES
 # -------------------------------------------------------
@@ -3097,10 +3110,11 @@ fi
 
 } # ac_fn_c_check_header_mongrel
 
-# ac_fn_c_check_func LINENO FUNC VAR
-# ----------------------------------
-# Tests whether FUNC exists, setting the cache variable VAR accordingly
-ac_fn_c_check_func ()
+# ac_fn_c_check_type LINENO TYPE VAR INCLUDES
+# -------------------------------------------
+# Tests whether TYPE exists after having included INCLUDES, setting cache
+# variable VAR accordingly.
+ac_fn_c_check_type ()
 {
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
@@ -3108,61 +3122,104 @@ $as_echo_n "checking for $2... " >&6; }
 if eval \${$3+:} false; then :
   $as_echo_n "(cached) " >&6
 else
+  eval "$3=no"
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
-/* Define $2 to an innocuous variant, in case <limits.h> declares $2.
-   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-#define $2 innocuous_$2
-
-/* System header to define __stub macros and hopefully few prototypes,
-    which can conflict with char $2 (); 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
+$4
+int
+main ()
+{
+if (sizeof ($2))
+	 return 0;
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$4
+int
+main ()
+{
+if (sizeof (($2)))
+	    return 0;
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
 
-#undef $2
+else
+  eval "$3=yes"
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+eval ac_res=\$$3
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
 
-/* Override any GCC internal prototype to avoid an error.
-   Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char $2 ();
-/* 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_$2 || defined __stub___$2
-choke me
-#endif
+} # ac_fn_c_check_type
 
+# ac_fn_c_check_member LINENO AGGR MEMBER VAR INCLUDES
+# ----------------------------------------------------
+# Tries to find if the field MEMBER exists in type AGGR, after including
+# INCLUDES, setting cache variable VAR accordingly.
+ac_fn_c_check_member ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2.$3" >&5
+$as_echo_n "checking for $2.$3... " >&6; }
+if eval \${$4+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$5
 int
 main ()
 {
-return $2 ();
+static $2 ac_aggr;
+if (ac_aggr.$3)
+return 0;
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
-  eval "$3=yes"
+if ac_fn_c_try_compile "$LINENO"; then :
+  eval "$4=yes"
 else
-  eval "$3=no"
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$5
+int
+main ()
+{
+static $2 ac_aggr;
+if (sizeof ac_aggr.$3)
+return 0;
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  eval "$4=yes"
+else
+  eval "$4=no"
 fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-eval ac_res=\$$3
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+eval ac_res=\$$4
 	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 $as_echo "$ac_res" >&6; }
   eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
 
-} # ac_fn_c_check_func
+} # ac_fn_c_check_member
 
 # ac_fn_c_check_decl LINENO SYMBOL VAR INCLUDES
 # ---------------------------------------------
@@ -3397,63 +3454,6 @@ rm -f conftest.val
   as_fn_set_status $ac_retval
 
 } # ac_fn_c_compute_int
-
-# ac_fn_c_check_member LINENO AGGR MEMBER VAR INCLUDES
-# ----------------------------------------------------
-# Tries to find if the field MEMBER exists in type AGGR, after including
-# INCLUDES, setting cache variable VAR accordingly.
-ac_fn_c_check_member ()
-{
-  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2.$3" >&5
-$as_echo_n "checking for $2.$3... " >&6; }
-if eval \${$4+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-$5
-int
-main ()
-{
-static $2 ac_aggr;
-if (ac_aggr.$3)
-return 0;
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  eval "$4=yes"
-else
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-$5
-int
-main ()
-{
-static $2 ac_aggr;
-if (sizeof ac_aggr.$3)
-return 0;
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  eval "$4=yes"
-else
-  eval "$4=no"
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-eval ac_res=\$$4
-	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
-  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
-
-} # ac_fn_c_check_member
 cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
@@ -3740,9 +3740,9 @@ fi
 
 as_fn_append ac_header_list " wchar.h"
 as_fn_append ac_header_list " minix/config.h"
+as_fn_append ac_header_list " sys/socket.h"
 as_fn_append ac_header_list " arpa/inet.h"
 as_fn_append ac_header_list " features.h"
-as_fn_append ac_header_list " sys/socket.h"
 as_fn_append ac_func_list " btowc"
 as_fn_append ac_func_list " canonicalize_file_name"
 as_fn_append ac_func_list " faccessat"
@@ -6700,6 +6700,7 @@ fi
 
 
   # Code from module absolute-header:
+  # Code from module accept:
   # Code from module alloca:
   # Code from module alloca-opt:
   # Code from module arpa_inet:
@@ -6707,6 +6708,7 @@ fi
   # Code from module at-internal:
   # Code from module attribute:
   # Code from module basename-lgpl:
+  # Code from module bind:
   # Code from module btowc:
   # Code from module builtin-expect:
   # Code from module c99:
@@ -6718,6 +6720,7 @@ fi
   # Code from module cloexec:
   # Code from module close:
   # Code from module closedir:
+  # Code from module connect:
   # Code from module count-one-bits:
   # Code from module ctype:
   # Code from module d-ino:
@@ -6785,6 +6788,7 @@ fi
 
   # Code from module libc-config:
   # Code from module limits-h:
+  # Code from module listen:
   # Code from module localcharset:
   # Code from module locale:
   # Code from module lock:
@@ -6831,11 +6835,13 @@ fi
   # Code from module select:
   # Code from module setenv:
   # Code from module setlocale-null:
+  # Code from module setsockopt:
   # Code from module signal-h:
   # Code from module snippet/_Noreturn:
   # Code from module snippet/arg-nonnull:
   # Code from module snippet/c++defs:
   # Code from module snippet/warn-on-use:
+  # Code from module socket:
   # Code from module socketlib:
   # Code from module sockets:
   # Code from module socklen:
@@ -6958,6 +6964,683 @@ fi
   export LIBC_FATAL_STDERR_
 
 
+
+  GNULIB_SOCKET=0;
+  GNULIB_CONNECT=0;
+  GNULIB_ACCEPT=0;
+  GNULIB_BIND=0;
+  GNULIB_GETPEERNAME=0;
+  GNULIB_GETSOCKNAME=0;
+  GNULIB_GETSOCKOPT=0;
+  GNULIB_LISTEN=0;
+  GNULIB_RECV=0;
+  GNULIB_SEND=0;
+  GNULIB_RECVFROM=0;
+  GNULIB_SENDTO=0;
+  GNULIB_SETSOCKOPT=0;
+  GNULIB_SHUTDOWN=0;
+  GNULIB_ACCEPT4=0;
+  HAVE_STRUCT_SOCKADDR_STORAGE=1;
+  HAVE_STRUCT_SOCKADDR_STORAGE_SS_FAMILY=1;
+
+  HAVE_SA_FAMILY_T=1;
+  HAVE_ACCEPT4=1;
+
+
+
+
+   if test $ac_cv_header_sys_socket_h = no; then
+                         for ac_header in ws2tcpip.h
+do :
+  ac_fn_c_check_header_mongrel "$LINENO" "ws2tcpip.h" "ac_cv_header_ws2tcpip_h" "$ac_includes_default"
+if test "x$ac_cv_header_ws2tcpip_h" = xyes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_WS2TCPIP_H 1
+_ACEOF
+
+fi
+
+done
+
+   fi
+
+
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the preprocessor supports include_next" >&5
+$as_echo_n "checking whether the preprocessor supports include_next... " >&6; }
+if ${gl_cv_have_include_next+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  rm -rf conftestd1a conftestd1b conftestd2
+     mkdir conftestd1a conftestd1b conftestd2
+                                                  cat <<EOF > conftestd1a/conftest.h
+#define DEFINED_IN_CONFTESTD1
+#include_next <conftest.h>
+#ifdef DEFINED_IN_CONFTESTD2
+int foo;
+#else
+#error "include_next doesn't work"
+#endif
+EOF
+     cat <<EOF > conftestd1b/conftest.h
+#define DEFINED_IN_CONFTESTD1
+#include <stdio.h>
+#include_next <conftest.h>
+#ifdef DEFINED_IN_CONFTESTD2
+int foo;
+#else
+#error "include_next doesn't work"
+#endif
+EOF
+     cat <<EOF > conftestd2/conftest.h
+#ifndef DEFINED_IN_CONFTESTD1
+#error "include_next test doesn't work"
+#endif
+#define DEFINED_IN_CONFTESTD2
+EOF
+     gl_save_CPPFLAGS="$CPPFLAGS"
+     CPPFLAGS="$gl_save_CPPFLAGS -Iconftestd1b -Iconftestd2"
+     cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <conftest.h>
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  gl_cv_have_include_next=yes
+else
+  CPPFLAGS="$gl_save_CPPFLAGS -Iconftestd1a -Iconftestd2"
+        cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <conftest.h>
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  gl_cv_have_include_next=buggy
+else
+  gl_cv_have_include_next=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+     CPPFLAGS="$gl_save_CPPFLAGS"
+     rm -rf conftestd1a conftestd1b conftestd2
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_have_include_next" >&5
+$as_echo "$gl_cv_have_include_next" >&6; }
+  PRAGMA_SYSTEM_HEADER=
+  if test $gl_cv_have_include_next = yes; then
+    INCLUDE_NEXT=include_next
+    INCLUDE_NEXT_AS_FIRST_DIRECTIVE=include_next
+    if test -n "$GCC"; then
+      PRAGMA_SYSTEM_HEADER='#pragma GCC system_header'
+    fi
+  else
+    if test $gl_cv_have_include_next = buggy; then
+      INCLUDE_NEXT=include
+      INCLUDE_NEXT_AS_FIRST_DIRECTIVE=include_next
+    else
+      INCLUDE_NEXT=include
+      INCLUDE_NEXT_AS_FIRST_DIRECTIVE=include
+    fi
+  fi
+
+
+
+
+      { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether source code line length is unlimited" >&5
+$as_echo_n "checking whether source code line length is unlimited... " >&6; }
+if ${gl_cv_source_line_length_unlimited+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+#ifdef __TANDEM
+choke me
+#endif
+
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "choke me" >/dev/null 2>&1; then :
+  gl_cv_source_line_length_unlimited=no
+else
+  gl_cv_source_line_length_unlimited=yes
+fi
+rm -f conftest*
+
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_source_line_length_unlimited" >&5
+$as_echo "$gl_cv_source_line_length_unlimited" >&6; }
+  if test $gl_cv_source_line_length_unlimited = no; then
+    PRAGMA_COLUMNS="#pragma COLUMNS 10000"
+  else
+    PRAGMA_COLUMNS=
+  fi
+
+
+
+  GNULIB_ACCESS=0;
+  GNULIB_CHDIR=0;
+  GNULIB_CHOWN=0;
+  GNULIB_CLOSE=0;
+  GNULIB_COPY_FILE_RANGE=0;
+  GNULIB_DUP=0;
+  GNULIB_DUP2=0;
+  GNULIB_DUP3=0;
+  GNULIB_ENVIRON=0;
+  GNULIB_EUIDACCESS=0;
+  GNULIB_EXECL=0;
+  GNULIB_EXECLE=0;
+  GNULIB_EXECLP=0;
+  GNULIB_EXECV=0;
+  GNULIB_EXECVE=0;
+  GNULIB_EXECVP=0;
+  GNULIB_EXECVPE=0;
+  GNULIB_FACCESSAT=0;
+  GNULIB_FCHDIR=0;
+  GNULIB_FCHOWNAT=0;
+  GNULIB_FDATASYNC=0;
+  GNULIB_FSYNC=0;
+  GNULIB_FTRUNCATE=0;
+  GNULIB_GETCWD=0;
+  GNULIB_GETDOMAINNAME=0;
+  GNULIB_GETDTABLESIZE=0;
+  GNULIB_GETENTROPY=0;
+  GNULIB_GETGROUPS=0;
+  GNULIB_GETHOSTNAME=0;
+  GNULIB_GETLOGIN=0;
+  GNULIB_GETLOGIN_R=0;
+  GNULIB_GETOPT_POSIX=0;
+  GNULIB_GETPAGESIZE=0;
+  GNULIB_GETPASS=0;
+  GNULIB_GETUSERSHELL=0;
+  GNULIB_GROUP_MEMBER=0;
+  GNULIB_ISATTY=0;
+  GNULIB_LCHOWN=0;
+  GNULIB_LINK=0;
+  GNULIB_LINKAT=0;
+  GNULIB_LSEEK=0;
+  GNULIB_PIPE=0;
+  GNULIB_PIPE2=0;
+  GNULIB_PREAD=0;
+  GNULIB_PWRITE=0;
+  GNULIB_READ=0;
+  GNULIB_READLINK=0;
+  GNULIB_READLINKAT=0;
+  GNULIB_RMDIR=0;
+  GNULIB_SETHOSTNAME=0;
+  GNULIB_SLEEP=0;
+  GNULIB_SYMLINK=0;
+  GNULIB_SYMLINKAT=0;
+  GNULIB_TRUNCATE=0;
+  GNULIB_TTYNAME_R=0;
+  GNULIB_UNISTD_H_NONBLOCKING=0;
+  GNULIB_UNISTD_H_SIGPIPE=0;
+  GNULIB_UNLINK=0;
+  GNULIB_UNLINKAT=0;
+  GNULIB_USLEEP=0;
+  GNULIB_WRITE=0;
+    GNULIB_MDA_ACCESS=1;
+  GNULIB_MDA_CHDIR=1;
+  GNULIB_MDA_CLOSE=1;
+  GNULIB_MDA_DUP=1;
+  GNULIB_MDA_DUP2=1;
+  GNULIB_MDA_EXECL=1;
+  GNULIB_MDA_EXECLE=1;
+  GNULIB_MDA_EXECLP=1;
+  GNULIB_MDA_EXECV=1;
+  GNULIB_MDA_EXECVE=1;
+  GNULIB_MDA_EXECVP=1;
+  GNULIB_MDA_EXECVPE=1;
+  GNULIB_MDA_GETCWD=1;
+  GNULIB_MDA_GETPID=1;
+  GNULIB_MDA_ISATTY=1;
+  GNULIB_MDA_LSEEK=1;
+  GNULIB_MDA_READ=1;
+  GNULIB_MDA_RMDIR=1;
+  GNULIB_MDA_SWAB=1;
+  GNULIB_MDA_UNLINK=1;
+  GNULIB_MDA_WRITE=1;
+    HAVE_CHOWN=1;
+  HAVE_COPY_FILE_RANGE=1;
+  HAVE_DUP3=1;
+  HAVE_EUIDACCESS=1;
+  HAVE_EXECVPE=1;
+  HAVE_FACCESSAT=1;
+  HAVE_FCHDIR=1;
+  HAVE_FCHOWNAT=1;
+  HAVE_FDATASYNC=1;
+  HAVE_FSYNC=1;
+  HAVE_FTRUNCATE=1;
+  HAVE_GETDTABLESIZE=1;
+  HAVE_GETENTROPY=1;
+  HAVE_GETGROUPS=1;
+  HAVE_GETHOSTNAME=1;
+  HAVE_GETLOGIN=1;
+  HAVE_GETPAGESIZE=1;
+  HAVE_GETPASS=1;
+  HAVE_GROUP_MEMBER=1;
+  HAVE_LCHOWN=1;
+  HAVE_LINK=1;
+  HAVE_LINKAT=1;
+  HAVE_PIPE=1;
+  HAVE_PIPE2=1;
+  HAVE_PREAD=1;
+  HAVE_PWRITE=1;
+  HAVE_READLINK=1;
+  HAVE_READLINKAT=1;
+  HAVE_SETHOSTNAME=1;
+  HAVE_SLEEP=1;
+  HAVE_SYMLINK=1;
+  HAVE_SYMLINKAT=1;
+  HAVE_UNLINKAT=1;
+  HAVE_USLEEP=1;
+  HAVE_DECL_ENVIRON=1;
+  HAVE_DECL_EXECVPE=1;
+  HAVE_DECL_FCHDIR=1;
+  HAVE_DECL_FDATASYNC=1;
+  HAVE_DECL_GETDOMAINNAME=1;
+  HAVE_DECL_GETLOGIN=1;
+  HAVE_DECL_GETLOGIN_R=1;
+  HAVE_DECL_GETPAGESIZE=1;
+  HAVE_DECL_GETUSERSHELL=1;
+  HAVE_DECL_SETHOSTNAME=1;
+  HAVE_DECL_TRUNCATE=1;
+  HAVE_DECL_TTYNAME_R=1;
+  HAVE_OS_H=0;
+  HAVE_SYS_PARAM_H=0;
+  REPLACE_ACCESS=0;
+  REPLACE_CHOWN=0;
+  REPLACE_CLOSE=0;
+  REPLACE_DUP=0;
+  REPLACE_DUP2=0;
+  REPLACE_EXECL=0;
+  REPLACE_EXECLE=0;
+  REPLACE_EXECLP=0;
+  REPLACE_EXECV=0;
+  REPLACE_EXECVE=0;
+  REPLACE_EXECVP=0;
+  REPLACE_EXECVPE=0;
+  REPLACE_FACCESSAT=0;
+  REPLACE_FCHOWNAT=0;
+  REPLACE_FTRUNCATE=0;
+  REPLACE_GETCWD=0;
+  REPLACE_GETDOMAINNAME=0;
+  REPLACE_GETDTABLESIZE=0;
+  REPLACE_GETLOGIN_R=0;
+  REPLACE_GETGROUPS=0;
+  REPLACE_GETPAGESIZE=0;
+  REPLACE_GETPASS=0;
+  REPLACE_ISATTY=0;
+  REPLACE_LCHOWN=0;
+  REPLACE_LINK=0;
+  REPLACE_LINKAT=0;
+  REPLACE_LSEEK=0;
+  REPLACE_PREAD=0;
+  REPLACE_PWRITE=0;
+  REPLACE_READ=0;
+  REPLACE_READLINK=0;
+  REPLACE_READLINKAT=0;
+  REPLACE_RMDIR=0;
+  REPLACE_SLEEP=0;
+  REPLACE_SYMLINK=0;
+  REPLACE_SYMLINKAT=0;
+  REPLACE_TRUNCATE=0;
+  REPLACE_TTYNAME_R=0;
+  REPLACE_UNLINK=0;
+  REPLACE_UNLINKAT=0;
+  REPLACE_USLEEP=0;
+  REPLACE_WRITE=0;
+  UNISTD_H_HAVE_SYS_RANDOM_H=0;
+  UNISTD_H_HAVE_WINSOCK2_H=0;
+  UNISTD_H_HAVE_WINSOCK2_H_AND_USE_SOCKETS=0;
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for C/C++ restrict keyword" >&5
+$as_echo_n "checking for C/C++ restrict keyword... " >&6; }
+if ${ac_cv_c_restrict+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_cv_c_restrict=no
+   # Put '__restrict__' first, to avoid problems with glibc and non-GCC; see:
+   # https://lists.gnu.org/archive/html/bug-autoconf/2016-02/msg00006.html
+   # Put 'restrict' last, because C++ lacks it.
+   for ac_kw in __restrict__ __restrict _Restrict restrict; do
+     cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+typedef int *int_ptr;
+           int foo (int_ptr $ac_kw ip) { return ip[0]; }
+           int bar (int [$ac_kw]); /* Catch GCC bug 14050.  */
+           int bar (int ip[$ac_kw]) { return ip[0]; }
+
+int
+main ()
+{
+int s[1];
+           int *$ac_kw t = s;
+           t[0] = 0;
+           return foo (t) + bar (t);
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  ac_cv_c_restrict=$ac_kw
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+     test "$ac_cv_c_restrict" != no && break
+   done
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_restrict" >&5
+$as_echo "$ac_cv_c_restrict" >&6; }
+
+ case $ac_cv_c_restrict in
+   restrict) ;;
+   no) $as_echo "#define restrict /**/" >>confdefs.h
+ ;;
+   *)  cat >>confdefs.h <<_ACEOF
+#define restrict $ac_cv_c_restrict
+_ACEOF
+ ;;
+ esac
+
+
+
+
+
+        case "$host_os" in
+    osf*)
+
+$as_echo "#define _POSIX_PII_SOCKET 1" >>confdefs.h
+
+      ;;
+  esac
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether <sys/socket.h> is self-contained" >&5
+$as_echo_n "checking whether <sys/socket.h> is self-contained... " >&6; }
+if ${gl_cv_header_sys_socket_h_selfcontained+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+
+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <sys/socket.h>
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  gl_cv_header_sys_socket_h_selfcontained=yes
+else
+  gl_cv_header_sys_socket_h_selfcontained=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_header_sys_socket_h_selfcontained" >&5
+$as_echo "$gl_cv_header_sys_socket_h_selfcontained" >&6; }
+  if test $gl_cv_header_sys_socket_h_selfcontained = yes; then
+            for ac_func in shutdown
+do :
+  ac_fn_c_check_func "$LINENO" "shutdown" "ac_cv_func_shutdown"
+if test "x$ac_cv_func_shutdown" = xyes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_SHUTDOWN 1
+_ACEOF
+
+fi
+done
+
+    if test $ac_cv_func_shutdown = yes; then
+      { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether <sys/socket.h> defines the SHUT_* macros" >&5
+$as_echo_n "checking whether <sys/socket.h> defines the SHUT_* macros... " >&6; }
+if ${gl_cv_header_sys_socket_h_shut+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+
+          cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <sys/socket.h>
+int
+main ()
+{
+int a[] = { SHUT_RD, SHUT_WR, SHUT_RDWR };
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  gl_cv_header_sys_socket_h_shut=yes
+else
+  gl_cv_header_sys_socket_h_shut=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_header_sys_socket_h_shut" >&5
+$as_echo "$gl_cv_header_sys_socket_h_shut" >&6; }
+      if test $gl_cv_header_sys_socket_h_shut = no; then
+        SYS_SOCKET_H='sys/socket.h'
+      fi
+    fi
+  fi
+  # We need to check for ws2tcpip.h now.
+
+
+
+
+
+
+
+
+
+
+
+     if test $gl_cv_have_include_next = yes; then
+       gl_cv_next_sys_socket_h='<'sys/socket.h'>'
+     else
+       { $as_echo "$as_me:${as_lineno-$LINENO}: checking absolute name of <sys/socket.h>" >&5
+$as_echo_n "checking absolute name of <sys/socket.h>... " >&6; }
+if ${gl_cv_next_sys_socket_h+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+
+             if test $ac_cv_header_sys_socket_h = yes; then
+
+
+
+
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <sys/socket.h>
+_ACEOF
+                case "$host_os" in
+    aix*) gl_absname_cpp="$ac_cpp -C" ;;
+    *)    gl_absname_cpp="$ac_cpp" ;;
+  esac
+
+  case "$host_os" in
+    mingw*)
+                                          gl_dirsep_regex='[/\\]'
+      ;;
+    *)
+      gl_dirsep_regex='\/'
+      ;;
+  esac
+      gl_make_literal_regex_sed='s,[]$^\\.*/[],\\&,g'
+  gl_header_literal_regex=`echo 'sys/socket.h' \
+                           | sed -e "$gl_make_literal_regex_sed"`
+  gl_absolute_header_sed="/${gl_dirsep_regex}${gl_header_literal_regex}/"'{
+      s/.*"\(.*'"${gl_dirsep_regex}${gl_header_literal_regex}"'\)".*/\1/
+      s|^/[^/]|//&|
+      p
+      q
+    }'
+
+        gl_cv_absolute_sys_socket_h=`(eval "$gl_absname_cpp conftest.$ac_ext") 2>&5 |
+  sed -n "$gl_absolute_header_sed"`
+
+           gl_header=$gl_cv_absolute_sys_socket_h
+           gl_cv_next_sys_socket_h='"'$gl_header'"'
+          else
+               gl_cv_next_sys_socket_h='<'sys/socket.h'>'
+             fi
+
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_next_sys_socket_h" >&5
+$as_echo "$gl_cv_next_sys_socket_h" >&6; }
+     fi
+     NEXT_SYS_SOCKET_H=$gl_cv_next_sys_socket_h
+
+     if test $gl_cv_have_include_next = yes || test $gl_cv_have_include_next = buggy; then
+       # INCLUDE_NEXT_AS_FIRST_DIRECTIVE='include_next'
+       gl_next_as_first_directive='<'sys/socket.h'>'
+     else
+       # INCLUDE_NEXT_AS_FIRST_DIRECTIVE='include'
+       gl_next_as_first_directive=$gl_cv_next_sys_socket_h
+     fi
+     NEXT_AS_FIRST_DIRECTIVE_SYS_SOCKET_H=$gl_next_as_first_directive
+
+
+
+
+  if test $ac_cv_header_sys_socket_h = yes; then
+    HAVE_SYS_SOCKET_H=1
+  else
+    HAVE_SYS_SOCKET_H=0
+  fi
+
+
+
+  if test $ac_cv_header_sys_socket_h = yes; then
+    HAVE_WS2TCPIP_H=0
+  else
+    if test $ac_cv_header_ws2tcpip_h = yes; then
+      HAVE_WS2TCPIP_H=1
+    else
+      HAVE_WS2TCPIP_H=0
+    fi
+  fi
+
+
+
+  ac_fn_c_check_type "$LINENO" "struct sockaddr_storage" "ac_cv_type_struct_sockaddr_storage" "
+  /* 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. */
+#include <sys/types.h>
+#ifdef HAVE_SYS_SOCKET_H
+#include <sys/socket.h>
+#endif
+#ifdef HAVE_WS2TCPIP_H
+#include <ws2tcpip.h>
+#endif
+
+"
+if test "x$ac_cv_type_struct_sockaddr_storage" = xyes; then :
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_STRUCT_SOCKADDR_STORAGE 1
+_ACEOF
+
+
+fi
+ac_fn_c_check_type "$LINENO" "sa_family_t" "ac_cv_type_sa_family_t" "
+  /* 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. */
+#include <sys/types.h>
+#ifdef HAVE_SYS_SOCKET_H
+#include <sys/socket.h>
+#endif
+#ifdef HAVE_WS2TCPIP_H
+#include <ws2tcpip.h>
+#endif
+
+"
+if test "x$ac_cv_type_sa_family_t" = xyes; then :
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_SA_FAMILY_T 1
+_ACEOF
+
+
+fi
+
+  if test $ac_cv_type_struct_sockaddr_storage = no; then
+    HAVE_STRUCT_SOCKADDR_STORAGE=0
+  fi
+  if test $ac_cv_type_sa_family_t = no; then
+    HAVE_SA_FAMILY_T=0
+  fi
+  if test $ac_cv_type_struct_sockaddr_storage != no; then
+    ac_fn_c_check_member "$LINENO" "struct sockaddr_storage" "ss_family" "ac_cv_member_struct_sockaddr_storage_ss_family" "#include <sys/types.h>
+       #ifdef HAVE_SYS_SOCKET_H
+       #include <sys/socket.h>
+       #endif
+       #ifdef HAVE_WS2TCPIP_H
+       #include <ws2tcpip.h>
+       #endif
+
+"
+if test "x$ac_cv_member_struct_sockaddr_storage_ss_family" = xyes; then :
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_STRUCT_SOCKADDR_STORAGE_SS_FAMILY 1
+_ACEOF
+
+
+else
+  HAVE_STRUCT_SOCKADDR_STORAGE_SS_FAMILY=0
+fi
+
+  fi
+  if test $HAVE_STRUCT_SOCKADDR_STORAGE = 0 || test $HAVE_SA_FAMILY_T = 0 \
+     || test $HAVE_STRUCT_SOCKADDR_STORAGE_SS_FAMILY = 0; then
+    SYS_SOCKET_H='sys/socket.h'
+  fi
+
+
+
+
+  if test $ac_cv_header_sys_socket_h != yes; then
+                    for ac_header in winsock2.h
+do :
+  ac_fn_c_check_header_mongrel "$LINENO" "winsock2.h" "ac_cv_header_winsock2_h" "$ac_includes_default"
+if test "x$ac_cv_header_winsock2_h" = xyes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_WINSOCK2_H 1
+_ACEOF
+
+fi
+
+done
+
+  fi
+  if test "$ac_cv_header_winsock2_h" = yes; then
+    HAVE_WINSOCK2_H=1
+    UNISTD_H_HAVE_WINSOCK2_H=1
+    SYS_IOCTL_H_HAVE_WINSOCK2_H=1
+  else
+    HAVE_WINSOCK2_H=0
+  fi
+
+
+
+
+
+
+
+
+
 ac_fn_c_check_type "$LINENO" "size_t" "ac_cv_type_size_t" "$ac_includes_default"
 if test "x$ac_cv_type_size_t" = xyes; then :
 
@@ -7130,121 +7813,6 @@ fi
 
 
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the preprocessor supports include_next" >&5
-$as_echo_n "checking whether the preprocessor supports include_next... " >&6; }
-if ${gl_cv_have_include_next+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  rm -rf conftestd1a conftestd1b conftestd2
-     mkdir conftestd1a conftestd1b conftestd2
-                                                  cat <<EOF > conftestd1a/conftest.h
-#define DEFINED_IN_CONFTESTD1
-#include_next <conftest.h>
-#ifdef DEFINED_IN_CONFTESTD2
-int foo;
-#else
-#error "include_next doesn't work"
-#endif
-EOF
-     cat <<EOF > conftestd1b/conftest.h
-#define DEFINED_IN_CONFTESTD1
-#include <stdio.h>
-#include_next <conftest.h>
-#ifdef DEFINED_IN_CONFTESTD2
-int foo;
-#else
-#error "include_next doesn't work"
-#endif
-EOF
-     cat <<EOF > conftestd2/conftest.h
-#ifndef DEFINED_IN_CONFTESTD1
-#error "include_next test doesn't work"
-#endif
-#define DEFINED_IN_CONFTESTD2
-EOF
-     gl_save_CPPFLAGS="$CPPFLAGS"
-     CPPFLAGS="$gl_save_CPPFLAGS -Iconftestd1b -Iconftestd2"
-     cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <conftest.h>
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  gl_cv_have_include_next=yes
-else
-  CPPFLAGS="$gl_save_CPPFLAGS -Iconftestd1a -Iconftestd2"
-        cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <conftest.h>
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  gl_cv_have_include_next=buggy
-else
-  gl_cv_have_include_next=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-     CPPFLAGS="$gl_save_CPPFLAGS"
-     rm -rf conftestd1a conftestd1b conftestd2
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_have_include_next" >&5
-$as_echo "$gl_cv_have_include_next" >&6; }
-  PRAGMA_SYSTEM_HEADER=
-  if test $gl_cv_have_include_next = yes; then
-    INCLUDE_NEXT=include_next
-    INCLUDE_NEXT_AS_FIRST_DIRECTIVE=include_next
-    if test -n "$GCC"; then
-      PRAGMA_SYSTEM_HEADER='#pragma GCC system_header'
-    fi
-  else
-    if test $gl_cv_have_include_next = buggy; then
-      INCLUDE_NEXT=include
-      INCLUDE_NEXT_AS_FIRST_DIRECTIVE=include_next
-    else
-      INCLUDE_NEXT=include
-      INCLUDE_NEXT_AS_FIRST_DIRECTIVE=include
-    fi
-  fi
-
-
-
-
-      { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether source code line length is unlimited" >&5
-$as_echo_n "checking whether source code line length is unlimited... " >&6; }
-if ${gl_cv_source_line_length_unlimited+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-
-#ifdef __TANDEM
-choke me
-#endif
-
-_ACEOF
-if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "choke me" >/dev/null 2>&1; then :
-  gl_cv_source_line_length_unlimited=no
-else
-  gl_cv_source_line_length_unlimited=yes
-fi
-rm -f conftest*
-
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_source_line_length_unlimited" >&5
-$as_echo "$gl_cv_source_line_length_unlimited" >&6; }
-  if test $gl_cv_source_line_length_unlimited = no; then
-    PRAGMA_COLUMNS="#pragma COLUMNS 10000"
-  else
-    PRAGMA_COLUMNS=
-  fi
-
-
-
-
 
 
   if test $ac_cv_header_features_h = yes; then
@@ -7254,24 +7822,6 @@ $as_echo "$gl_cv_source_line_length_unlimited" >&6; }
   fi
 
 
-
-
-
-   if test $ac_cv_header_sys_socket_h = no; then
-                         for ac_header in ws2tcpip.h
-do :
-  ac_fn_c_check_header_mongrel "$LINENO" "ws2tcpip.h" "ac_cv_header_ws2tcpip_h" "$ac_includes_default"
-if test "x$ac_cv_header_ws2tcpip_h" = xyes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_WS2TCPIP_H 1
-_ACEOF
-
-fi
-
-done
-
-   fi
-
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for a thread-safe mkdir -p" >&5
 $as_echo_n "checking for a thread-safe mkdir -p... " >&6; }
 if test -z "$MKDIR_P"; then
@@ -8134,184 +8684,6 @@ done
 
 
 
-  GNULIB_ACCESS=0;
-  GNULIB_CHDIR=0;
-  GNULIB_CHOWN=0;
-  GNULIB_CLOSE=0;
-  GNULIB_COPY_FILE_RANGE=0;
-  GNULIB_DUP=0;
-  GNULIB_DUP2=0;
-  GNULIB_DUP3=0;
-  GNULIB_ENVIRON=0;
-  GNULIB_EUIDACCESS=0;
-  GNULIB_EXECL=0;
-  GNULIB_EXECLE=0;
-  GNULIB_EXECLP=0;
-  GNULIB_EXECV=0;
-  GNULIB_EXECVE=0;
-  GNULIB_EXECVP=0;
-  GNULIB_EXECVPE=0;
-  GNULIB_FACCESSAT=0;
-  GNULIB_FCHDIR=0;
-  GNULIB_FCHOWNAT=0;
-  GNULIB_FDATASYNC=0;
-  GNULIB_FSYNC=0;
-  GNULIB_FTRUNCATE=0;
-  GNULIB_GETCWD=0;
-  GNULIB_GETDOMAINNAME=0;
-  GNULIB_GETDTABLESIZE=0;
-  GNULIB_GETENTROPY=0;
-  GNULIB_GETGROUPS=0;
-  GNULIB_GETHOSTNAME=0;
-  GNULIB_GETLOGIN=0;
-  GNULIB_GETLOGIN_R=0;
-  GNULIB_GETOPT_POSIX=0;
-  GNULIB_GETPAGESIZE=0;
-  GNULIB_GETPASS=0;
-  GNULIB_GETUSERSHELL=0;
-  GNULIB_GROUP_MEMBER=0;
-  GNULIB_ISATTY=0;
-  GNULIB_LCHOWN=0;
-  GNULIB_LINK=0;
-  GNULIB_LINKAT=0;
-  GNULIB_LSEEK=0;
-  GNULIB_PIPE=0;
-  GNULIB_PIPE2=0;
-  GNULIB_PREAD=0;
-  GNULIB_PWRITE=0;
-  GNULIB_READ=0;
-  GNULIB_READLINK=0;
-  GNULIB_READLINKAT=0;
-  GNULIB_RMDIR=0;
-  GNULIB_SETHOSTNAME=0;
-  GNULIB_SLEEP=0;
-  GNULIB_SYMLINK=0;
-  GNULIB_SYMLINKAT=0;
-  GNULIB_TRUNCATE=0;
-  GNULIB_TTYNAME_R=0;
-  GNULIB_UNISTD_H_NONBLOCKING=0;
-  GNULIB_UNISTD_H_SIGPIPE=0;
-  GNULIB_UNLINK=0;
-  GNULIB_UNLINKAT=0;
-  GNULIB_USLEEP=0;
-  GNULIB_WRITE=0;
-    GNULIB_MDA_ACCESS=1;
-  GNULIB_MDA_CHDIR=1;
-  GNULIB_MDA_CLOSE=1;
-  GNULIB_MDA_DUP=1;
-  GNULIB_MDA_DUP2=1;
-  GNULIB_MDA_EXECL=1;
-  GNULIB_MDA_EXECLE=1;
-  GNULIB_MDA_EXECLP=1;
-  GNULIB_MDA_EXECV=1;
-  GNULIB_MDA_EXECVE=1;
-  GNULIB_MDA_EXECVP=1;
-  GNULIB_MDA_EXECVPE=1;
-  GNULIB_MDA_GETCWD=1;
-  GNULIB_MDA_GETPID=1;
-  GNULIB_MDA_ISATTY=1;
-  GNULIB_MDA_LSEEK=1;
-  GNULIB_MDA_READ=1;
-  GNULIB_MDA_RMDIR=1;
-  GNULIB_MDA_SWAB=1;
-  GNULIB_MDA_UNLINK=1;
-  GNULIB_MDA_WRITE=1;
-    HAVE_CHOWN=1;
-  HAVE_COPY_FILE_RANGE=1;
-  HAVE_DUP3=1;
-  HAVE_EUIDACCESS=1;
-  HAVE_EXECVPE=1;
-  HAVE_FACCESSAT=1;
-  HAVE_FCHDIR=1;
-  HAVE_FCHOWNAT=1;
-  HAVE_FDATASYNC=1;
-  HAVE_FSYNC=1;
-  HAVE_FTRUNCATE=1;
-  HAVE_GETDTABLESIZE=1;
-  HAVE_GETENTROPY=1;
-  HAVE_GETGROUPS=1;
-  HAVE_GETHOSTNAME=1;
-  HAVE_GETLOGIN=1;
-  HAVE_GETPAGESIZE=1;
-  HAVE_GETPASS=1;
-  HAVE_GROUP_MEMBER=1;
-  HAVE_LCHOWN=1;
-  HAVE_LINK=1;
-  HAVE_LINKAT=1;
-  HAVE_PIPE=1;
-  HAVE_PIPE2=1;
-  HAVE_PREAD=1;
-  HAVE_PWRITE=1;
-  HAVE_READLINK=1;
-  HAVE_READLINKAT=1;
-  HAVE_SETHOSTNAME=1;
-  HAVE_SLEEP=1;
-  HAVE_SYMLINK=1;
-  HAVE_SYMLINKAT=1;
-  HAVE_UNLINKAT=1;
-  HAVE_USLEEP=1;
-  HAVE_DECL_ENVIRON=1;
-  HAVE_DECL_EXECVPE=1;
-  HAVE_DECL_FCHDIR=1;
-  HAVE_DECL_FDATASYNC=1;
-  HAVE_DECL_GETDOMAINNAME=1;
-  HAVE_DECL_GETLOGIN=1;
-  HAVE_DECL_GETLOGIN_R=1;
-  HAVE_DECL_GETPAGESIZE=1;
-  HAVE_DECL_GETUSERSHELL=1;
-  HAVE_DECL_SETHOSTNAME=1;
-  HAVE_DECL_TRUNCATE=1;
-  HAVE_DECL_TTYNAME_R=1;
-  HAVE_OS_H=0;
-  HAVE_SYS_PARAM_H=0;
-  REPLACE_ACCESS=0;
-  REPLACE_CHOWN=0;
-  REPLACE_CLOSE=0;
-  REPLACE_DUP=0;
-  REPLACE_DUP2=0;
-  REPLACE_EXECL=0;
-  REPLACE_EXECLE=0;
-  REPLACE_EXECLP=0;
-  REPLACE_EXECV=0;
-  REPLACE_EXECVE=0;
-  REPLACE_EXECVP=0;
-  REPLACE_EXECVPE=0;
-  REPLACE_FACCESSAT=0;
-  REPLACE_FCHOWNAT=0;
-  REPLACE_FTRUNCATE=0;
-  REPLACE_GETCWD=0;
-  REPLACE_GETDOMAINNAME=0;
-  REPLACE_GETDTABLESIZE=0;
-  REPLACE_GETLOGIN_R=0;
-  REPLACE_GETGROUPS=0;
-  REPLACE_GETPAGESIZE=0;
-  REPLACE_GETPASS=0;
-  REPLACE_ISATTY=0;
-  REPLACE_LCHOWN=0;
-  REPLACE_LINK=0;
-  REPLACE_LINKAT=0;
-  REPLACE_LSEEK=0;
-  REPLACE_PREAD=0;
-  REPLACE_PWRITE=0;
-  REPLACE_READ=0;
-  REPLACE_READLINK=0;
-  REPLACE_READLINKAT=0;
-  REPLACE_RMDIR=0;
-  REPLACE_SLEEP=0;
-  REPLACE_SYMLINK=0;
-  REPLACE_SYMLINKAT=0;
-  REPLACE_TRUNCATE=0;
-  REPLACE_TTYNAME_R=0;
-  REPLACE_UNLINK=0;
-  REPLACE_UNLINKAT=0;
-  REPLACE_USLEEP=0;
-  REPLACE_WRITE=0;
-  UNISTD_H_HAVE_SYS_RANDOM_H=0;
-  UNISTD_H_HAVE_WINSOCK2_H=0;
-  UNISTD_H_HAVE_WINSOCK2_H_AND_USE_SOCKETS=0;
-
-
-
 
 
 
@@ -10623,56 +10995,6 @@ $as_echo "$gl_cv_member_st_size_64" >&6; }
       ;;
   esac
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for C/C++ restrict keyword" >&5
-$as_echo_n "checking for C/C++ restrict keyword... " >&6; }
-if ${ac_cv_c_restrict+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  ac_cv_c_restrict=no
-   # Put '__restrict__' first, to avoid problems with glibc and non-GCC; see:
-   # https://lists.gnu.org/archive/html/bug-autoconf/2016-02/msg00006.html
-   # Put 'restrict' last, because C++ lacks it.
-   for ac_kw in __restrict__ __restrict _Restrict restrict; do
-     cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-typedef int *int_ptr;
-           int foo (int_ptr $ac_kw ip) { return ip[0]; }
-           int bar (int [$ac_kw]); /* Catch GCC bug 14050.  */
-           int bar (int ip[$ac_kw]) { return ip[0]; }
-
-int
-main ()
-{
-int s[1];
-           int *$ac_kw t = s;
-           t[0] = 0;
-           return foo (t) + bar (t);
-
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  ac_cv_c_restrict=$ac_kw
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-     test "$ac_cv_c_restrict" != no && break
-   done
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_restrict" >&5
-$as_echo "$ac_cv_c_restrict" >&6; }
-
- case $ac_cv_c_restrict in
-   restrict) ;;
-   no) $as_echo "#define restrict /**/" >>confdefs.h
- ;;
-   *)  cat >>confdefs.h <<_ACEOF
-#define restrict $ac_cv_c_restrict
-_ACEOF
- ;;
- esac
-
 
 
 
@@ -11993,322 +12315,6 @@ $as_echo "#define HAVE_WEAK_SYMBOLS 1" >>confdefs.h
 
 
 
-  GNULIB_SOCKET=0;
-  GNULIB_CONNECT=0;
-  GNULIB_ACCEPT=0;
-  GNULIB_BIND=0;
-  GNULIB_GETPEERNAME=0;
-  GNULIB_GETSOCKNAME=0;
-  GNULIB_GETSOCKOPT=0;
-  GNULIB_LISTEN=0;
-  GNULIB_RECV=0;
-  GNULIB_SEND=0;
-  GNULIB_RECVFROM=0;
-  GNULIB_SENDTO=0;
-  GNULIB_SETSOCKOPT=0;
-  GNULIB_SHUTDOWN=0;
-  GNULIB_ACCEPT4=0;
-  HAVE_STRUCT_SOCKADDR_STORAGE=1;
-  HAVE_STRUCT_SOCKADDR_STORAGE_SS_FAMILY=1;
-
-  HAVE_SA_FAMILY_T=1;
-  HAVE_ACCEPT4=1;
-
-
-
-
-
-        case "$host_os" in
-    osf*)
-
-$as_echo "#define _POSIX_PII_SOCKET 1" >>confdefs.h
-
-      ;;
-  esac
-
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether <sys/socket.h> is self-contained" >&5
-$as_echo_n "checking whether <sys/socket.h> is self-contained... " >&6; }
-if ${gl_cv_header_sys_socket_h_selfcontained+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-
-      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <sys/socket.h>
-int
-main ()
-{
-
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  gl_cv_header_sys_socket_h_selfcontained=yes
-else
-  gl_cv_header_sys_socket_h_selfcontained=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_header_sys_socket_h_selfcontained" >&5
-$as_echo "$gl_cv_header_sys_socket_h_selfcontained" >&6; }
-  if test $gl_cv_header_sys_socket_h_selfcontained = yes; then
-            for ac_func in shutdown
-do :
-  ac_fn_c_check_func "$LINENO" "shutdown" "ac_cv_func_shutdown"
-if test "x$ac_cv_func_shutdown" = xyes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_SHUTDOWN 1
-_ACEOF
-
-fi
-done
-
-    if test $ac_cv_func_shutdown = yes; then
-      { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether <sys/socket.h> defines the SHUT_* macros" >&5
-$as_echo_n "checking whether <sys/socket.h> defines the SHUT_* macros... " >&6; }
-if ${gl_cv_header_sys_socket_h_shut+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-
-          cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <sys/socket.h>
-int
-main ()
-{
-int a[] = { SHUT_RD, SHUT_WR, SHUT_RDWR };
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  gl_cv_header_sys_socket_h_shut=yes
-else
-  gl_cv_header_sys_socket_h_shut=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_header_sys_socket_h_shut" >&5
-$as_echo "$gl_cv_header_sys_socket_h_shut" >&6; }
-      if test $gl_cv_header_sys_socket_h_shut = no; then
-        SYS_SOCKET_H='sys/socket.h'
-      fi
-    fi
-  fi
-  # We need to check for ws2tcpip.h now.
-
-
-
-
-
-
-
-
-
-
-
-     if test $gl_cv_have_include_next = yes; then
-       gl_cv_next_sys_socket_h='<'sys/socket.h'>'
-     else
-       { $as_echo "$as_me:${as_lineno-$LINENO}: checking absolute name of <sys/socket.h>" >&5
-$as_echo_n "checking absolute name of <sys/socket.h>... " >&6; }
-if ${gl_cv_next_sys_socket_h+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-
-             if test $ac_cv_header_sys_socket_h = yes; then
-
-
-
-
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <sys/socket.h>
-_ACEOF
-                case "$host_os" in
-    aix*) gl_absname_cpp="$ac_cpp -C" ;;
-    *)    gl_absname_cpp="$ac_cpp" ;;
-  esac
-
-  case "$host_os" in
-    mingw*)
-                                          gl_dirsep_regex='[/\\]'
-      ;;
-    *)
-      gl_dirsep_regex='\/'
-      ;;
-  esac
-      gl_make_literal_regex_sed='s,[]$^\\.*/[],\\&,g'
-  gl_header_literal_regex=`echo 'sys/socket.h' \
-                           | sed -e "$gl_make_literal_regex_sed"`
-  gl_absolute_header_sed="/${gl_dirsep_regex}${gl_header_literal_regex}/"'{
-      s/.*"\(.*'"${gl_dirsep_regex}${gl_header_literal_regex}"'\)".*/\1/
-      s|^/[^/]|//&|
-      p
-      q
-    }'
-
-        gl_cv_absolute_sys_socket_h=`(eval "$gl_absname_cpp conftest.$ac_ext") 2>&5 |
-  sed -n "$gl_absolute_header_sed"`
-
-           gl_header=$gl_cv_absolute_sys_socket_h
-           gl_cv_next_sys_socket_h='"'$gl_header'"'
-          else
-               gl_cv_next_sys_socket_h='<'sys/socket.h'>'
-             fi
-
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_next_sys_socket_h" >&5
-$as_echo "$gl_cv_next_sys_socket_h" >&6; }
-     fi
-     NEXT_SYS_SOCKET_H=$gl_cv_next_sys_socket_h
-
-     if test $gl_cv_have_include_next = yes || test $gl_cv_have_include_next = buggy; then
-       # INCLUDE_NEXT_AS_FIRST_DIRECTIVE='include_next'
-       gl_next_as_first_directive='<'sys/socket.h'>'
-     else
-       # INCLUDE_NEXT_AS_FIRST_DIRECTIVE='include'
-       gl_next_as_first_directive=$gl_cv_next_sys_socket_h
-     fi
-     NEXT_AS_FIRST_DIRECTIVE_SYS_SOCKET_H=$gl_next_as_first_directive
-
-
-
-
-  if test $ac_cv_header_sys_socket_h = yes; then
-    HAVE_SYS_SOCKET_H=1
-  else
-    HAVE_SYS_SOCKET_H=0
-  fi
-
-
-
-  if test $ac_cv_header_sys_socket_h = yes; then
-    HAVE_WS2TCPIP_H=0
-  else
-    if test $ac_cv_header_ws2tcpip_h = yes; then
-      HAVE_WS2TCPIP_H=1
-    else
-      HAVE_WS2TCPIP_H=0
-    fi
-  fi
-
-
-
-  ac_fn_c_check_type "$LINENO" "struct sockaddr_storage" "ac_cv_type_struct_sockaddr_storage" "
-  /* 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. */
-#include <sys/types.h>
-#ifdef HAVE_SYS_SOCKET_H
-#include <sys/socket.h>
-#endif
-#ifdef HAVE_WS2TCPIP_H
-#include <ws2tcpip.h>
-#endif
-
-"
-if test "x$ac_cv_type_struct_sockaddr_storage" = xyes; then :
-
-cat >>confdefs.h <<_ACEOF
-#define HAVE_STRUCT_SOCKADDR_STORAGE 1
-_ACEOF
-
-
-fi
-ac_fn_c_check_type "$LINENO" "sa_family_t" "ac_cv_type_sa_family_t" "
-  /* 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. */
-#include <sys/types.h>
-#ifdef HAVE_SYS_SOCKET_H
-#include <sys/socket.h>
-#endif
-#ifdef HAVE_WS2TCPIP_H
-#include <ws2tcpip.h>
-#endif
-
-"
-if test "x$ac_cv_type_sa_family_t" = xyes; then :
-
-cat >>confdefs.h <<_ACEOF
-#define HAVE_SA_FAMILY_T 1
-_ACEOF
-
-
-fi
-
-  if test $ac_cv_type_struct_sockaddr_storage = no; then
-    HAVE_STRUCT_SOCKADDR_STORAGE=0
-  fi
-  if test $ac_cv_type_sa_family_t = no; then
-    HAVE_SA_FAMILY_T=0
-  fi
-  if test $ac_cv_type_struct_sockaddr_storage != no; then
-    ac_fn_c_check_member "$LINENO" "struct sockaddr_storage" "ss_family" "ac_cv_member_struct_sockaddr_storage_ss_family" "#include <sys/types.h>
-       #ifdef HAVE_SYS_SOCKET_H
-       #include <sys/socket.h>
-       #endif
-       #ifdef HAVE_WS2TCPIP_H
-       #include <ws2tcpip.h>
-       #endif
-
-"
-if test "x$ac_cv_member_struct_sockaddr_storage_ss_family" = xyes; then :
-
-cat >>confdefs.h <<_ACEOF
-#define HAVE_STRUCT_SOCKADDR_STORAGE_SS_FAMILY 1
-_ACEOF
-
-
-else
-  HAVE_STRUCT_SOCKADDR_STORAGE_SS_FAMILY=0
-fi
-
-  fi
-  if test $HAVE_STRUCT_SOCKADDR_STORAGE = 0 || test $HAVE_SA_FAMILY_T = 0 \
-     || test $HAVE_STRUCT_SOCKADDR_STORAGE_SS_FAMILY = 0; then
-    SYS_SOCKET_H='sys/socket.h'
-  fi
-
-
-
-
-  if test $ac_cv_header_sys_socket_h != yes; then
-                    for ac_header in winsock2.h
-do :
-  ac_fn_c_check_header_mongrel "$LINENO" "winsock2.h" "ac_cv_header_winsock2_h" "$ac_includes_default"
-if test "x$ac_cv_header_winsock2_h" = xyes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_WINSOCK2_H 1
-_ACEOF
-
-fi
-
-done
-
-  fi
-  if test "$ac_cv_header_winsock2_h" = yes; then
-    HAVE_WINSOCK2_H=1
-    UNISTD_H_HAVE_WINSOCK2_H=1
-    SYS_IOCTL_H_HAVE_WINSOCK2_H=1
-  else
-    HAVE_WINSOCK2_H=0
-  fi
-
-
-
-
-
-
-
-
-
-
 
 
 
@@ -18130,6 +18136,34 @@ fi
 
   gl_source_base='import'
 
+  if test "$ac_cv_header_winsock2_h" = yes; then
+
+
+
+
+
+
+
+
+  gl_LIBOBJS="$gl_LIBOBJS accept.$ac_objext"
+
+  fi
+
+
+
+
+
+          GNULIB_ACCEPT=1
+
+
+
+
+
+$as_echo "#define GNULIB_TEST_ACCEPT 1" >>confdefs.h
+
+
+
+
 
   if test $ac_cv_func_alloca_works = no; then
     :
@@ -18303,6 +18337,34 @@ $as_echo "$gl_cv_next_arpa_inet_h" >&6; }
 
 
 
+  if test "$ac_cv_header_winsock2_h" = yes; then
+
+
+
+
+
+
+
+
+  gl_LIBOBJS="$gl_LIBOBJS bind.$ac_objext"
+
+  fi
+
+
+
+
+
+          GNULIB_BIND=1
+
+
+
+
+
+$as_echo "#define GNULIB_TEST_BIND 1" >>confdefs.h
+
+
+
+
 
 
 
@@ -18920,6 +18982,34 @@ $as_echo "#define GNULIB_TEST_CLOSEDIR 1" >>confdefs.h
 
 
 
+  if test "$ac_cv_header_winsock2_h" = yes; then
+
+
+
+
+
+
+
+
+  gl_LIBOBJS="$gl_LIBOBJS connect.$ac_objext"
+
+  fi
+
+
+
+
+
+          GNULIB_CONNECT=1
+
+
+
+
+
+$as_echo "#define GNULIB_TEST_CONNECT 1" >>confdefs.h
+
+
+
+
 
 
 
@@ -23662,6 +23752,34 @@ $as_echo "#define HAVE___INLINE 1" >>confdefs.h
 
 
 
+  if test "$ac_cv_header_winsock2_h" = yes; then
+
+
+
+
+
+
+
+
+  gl_LIBOBJS="$gl_LIBOBJS listen.$ac_objext"
+
+  fi
+
+
+
+
+
+          GNULIB_LISTEN=1
+
+
+
+
+
+$as_echo "#define GNULIB_TEST_LISTEN 1" >>confdefs.h
+
+
+
+
 
 
     LOCALCHARSET_TESTS_ENVIRONMENT=
@@ -28614,6 +28732,34 @@ $as_echo "#define GNULIB_TEST_SETLOCALE_NULL 1" >>confdefs.h
 
 
 
+  if test "$ac_cv_header_winsock2_h" = yes; then
+
+
+
+
+
+
+
+
+  gl_LIBOBJS="$gl_LIBOBJS setsockopt.$ac_objext"
+
+  fi
+
+
+
+
+
+          GNULIB_SETSOCKOPT=1
+
+
+
+
+
+$as_echo "#define GNULIB_TEST_SETSOCKOPT 1" >>confdefs.h
+
+
+
+
 
 
 
@@ -28724,6 +28870,43 @@ fi
 
 
 
+  if test "$ac_cv_header_winsock2_h" = yes; then
+
+
+
+
+
+
+
+
+  gl_LIBOBJS="$gl_LIBOBJS socket.$ac_objext"
+
+  fi
+  # When this module is used, sockets may actually occur as file descriptors,
+  # hence it is worth warning if the modules 'close' and 'ioctl' are not used.
+
+
+
+  if test "$ac_cv_header_winsock2_h" = yes; then
+    UNISTD_H_HAVE_WINSOCK2_H_AND_USE_SOCKETS=1
+    SYS_IOCTL_H_HAVE_WINSOCK2_H_AND_USE_SOCKETS=1
+  fi
+
+
+
+
+
+          GNULIB_SOCKET=1
+
+
+
+
+
+$as_echo "#define GNULIB_TEST_SOCKET 1" >>confdefs.h
+
+
+
+
 
      ac_fn_c_check_type "$LINENO" "socklen_t" "ac_cv_type_socklen_t" "
 /* <sys/types.h> is not needed according to POSIX, but the
diff --git a/gnulib/import/Makefile.am b/gnulib/import/Makefile.am
index dafe63d..5a405cf 100644
--- a/gnulib/import/Makefile.am
+++ b/gnulib/import/Makefile.am
@@ -33,9 +33,12 @@
 #  --no-libtool \
 #  --macro-prefix=gl \
 #  --no-vc-files \
+#  accept \
 #  alloca \
+#  bind \
 #  canonicalize-lgpl \
 #  chown \
+#  connect \
 #  count-one-bits \
 #  dirent \
 #  dirfd \
@@ -52,6 +55,7 @@
 #  inet_ntop \
 #  inttypes \
 #  limits-h \
+#  listen \
 #  lstat \
 #  memchr \
 #  memmem \
@@ -65,7 +69,9 @@
 #  rename \
 #  select \
 #  setenv \
+#  setsockopt \
 #  signal-h \
+#  socket \
 #  strchrnul \
 #  strerror_r-posix \
 #  strstr \
@@ -115,6 +121,15 @@ HAVE_INCLUDE_NEXT = (__GNUC__ || __clang__ || 60000000 <= __DECC_VER)
 
 ## end   gnulib module absolute-header
 
+## begin gnulib module accept
+
+
+EXTRA_DIST += accept.c w32sock.h
+
+EXTRA_libgnu_a_SOURCES += accept.c
+
+## end   gnulib module accept
+
 ## begin gnulib module alloca
 
 
@@ -214,6 +229,15 @@ EXTRA_DIST += basename-lgpl.h
 
 ## end   gnulib module basename-lgpl
 
+## begin gnulib module bind
+
+
+EXTRA_DIST += bind.c w32sock.h
+
+EXTRA_libgnu_a_SOURCES += bind.c
+
+## end   gnulib module bind
+
 ## begin gnulib module btowc
 
 
@@ -276,6 +300,15 @@ EXTRA_libgnu_a_SOURCES += closedir.c
 
 ## end   gnulib module closedir
 
+## begin gnulib module connect
+
+
+EXTRA_DIST += connect.c w32sock.h
+
+EXTRA_libgnu_a_SOURCES += connect.c
+
+## end   gnulib module connect
+
 ## begin gnulib module count-one-bits
 
 libgnu_a_SOURCES += count-one-bits.c
@@ -976,6 +1009,15 @@ EXTRA_DIST += limits.in.h
 
 ## end   gnulib module limits-h
 
+## begin gnulib module listen
+
+
+EXTRA_DIST += listen.c w32sock.h
+
+EXTRA_libgnu_a_SOURCES += listen.c
+
+## end   gnulib module listen
+
 ## begin gnulib module localcharset
 
 libgnu_a_SOURCES += localcharset.c
@@ -1731,6 +1773,15 @@ EXTRA_libgnu_a_SOURCES += setlocale-lock.c
 
 ## end   gnulib module setlocale-null
 
+## begin gnulib module setsockopt
+
+
+EXTRA_DIST += setsockopt.c w32sock.h
+
+EXTRA_libgnu_a_SOURCES += setsockopt.c
+
+## end   gnulib module setsockopt
+
 ## begin gnulib module signal-h
 
 BUILT_SOURCES += signal.h
@@ -1821,6 +1872,15 @@ EXTRA_DIST += warn-on-use.h
 
 ## end   gnulib module snippet/warn-on-use
 
+## begin gnulib module socket
+
+
+EXTRA_DIST += socket.c w32sock.h
+
+EXTRA_libgnu_a_SOURCES += socket.c
+
+## end   gnulib module socket
+
 ## begin gnulib module sockets
 
 libgnu_a_SOURCES += sockets.h sockets.c
diff --git a/gnulib/import/Makefile.in b/gnulib/import/Makefile.in
index aae9711..3393458 100644
--- a/gnulib/import/Makefile.in
+++ b/gnulib/import/Makefile.in
@@ -47,9 +47,12 @@
 #  --no-libtool \
 #  --macro-prefix=gl \
 #  --no-vc-files \
+#  accept \
 #  alloca \
+#  bind \
 #  canonicalize-lgpl \
 #  chown \
+#  connect \
 #  count-one-bits \
 #  dirent \
 #  dirfd \
@@ -66,6 +69,7 @@
 #  inet_ntop \
 #  inttypes \
 #  limits-h \
+#  listen \
 #  lstat \
 #  memchr \
 #  memmem \
@@ -79,7 +83,9 @@
 #  rename \
 #  select \
 #  setenv \
+#  setsockopt \
 #  signal-h \
+#  socket \
 #  strchrnul \
 #  strerror_r-posix \
 #  strstr \
@@ -1820,10 +1826,11 @@ noinst_HEADERS =
 noinst_LIBRARIES = libgnu.a
 noinst_LTLIBRARIES = 
 # No GNU Make output.
-EXTRA_DIST = m4/gnulib-cache.m4 alloca.c alloca.in.h arpa_inet.in.h \
-	assure.h attribute.h basename-lgpl.h btowc.c \
-	canonicalize-lgpl.c chdir-long.c chdir-long.h chown.c \
-	fchown-stub.c cloexec.h close.c closedir.c dirent-private.h \
+EXTRA_DIST = m4/gnulib-cache.m4 accept.c w32sock.h alloca.c \
+	alloca.in.h arpa_inet.in.h assure.h attribute.h \
+	basename-lgpl.h bind.c w32sock.h btowc.c canonicalize-lgpl.c \
+	chdir-long.c chdir-long.h chown.c fchown-stub.c cloexec.h \
+	close.c closedir.c dirent-private.h connect.c w32sock.h \
 	count-one-bits.h ctype.in.h dirent.in.h dirfd.c dirname.h \
 	dup.c dup2.c eloop-threshold.h errno.in.h error.c error.h \
 	exitfail.h fchdir.c fcntl.c fcntl.in.h fd-hook.h fdopendir.c \
@@ -1838,8 +1845,8 @@ EXTRA_DIST = m4/gnulib-cache.m4 alloca.c alloca.in.h arpa_inet.in.h \
 	glob.in.h hard-locale.h inet_ntop.c intprops.h inttypes.in.h \
 	isblank.c float+.h isnan.c isnand-nolibm.h isnand.c float+.h \
 	isnan.c isnanl-nolibm.h isnanl.c cdefs.h libc-config.h \
-	limits.in.h localcharset.h locale.in.h lstat.c malloc.c \
-	malloca.h math.in.h lc-charset-dispatch.c \
+	limits.in.h listen.c w32sock.h localcharset.h locale.in.h \
+	lstat.c malloc.c malloca.h math.in.h lc-charset-dispatch.c \
 	lc-charset-dispatch.h mbrtowc-impl-utf8.h mbrtowc-impl.h \
 	mbrtowc.c mbtowc-lock.c mbtowc-lock.h windows-initguard.h \
 	mbsinit.c mbsrtowcs-impl.h mbsrtowcs-state.c mbsrtowcs.c \
@@ -1852,17 +1859,17 @@ EXTRA_DIST = m4/gnulib-cache.m4 alloca.c alloca.in.h arpa_inet.in.h \
 	readlink.c realloc.c rename.c dirent-private.h rewinddir.c \
 	rmdir.c same-inode.h save-cwd.h malloc/scratch_buffer.h \
 	scratch_buffer.h select.c setenv.c setlocale-lock.c \
-	setlocale_null.h windows-initguard.h signal.in.h _Noreturn.h \
-	arg-nonnull.h c++defs.h warn-on-use.h w32sock.h stat-w32.c \
-	stat-w32.h stat.c stat-time.h stdalign.in.h stdbool.in.h \
-	stddef.in.h stdint.in.h stdio.in.h stdlib.in.h strchrnul.c \
-	strchrnul.valgrind strdup.c streq.h strerror.c \
-	strerror-override.c strerror-override.h strerror_r.c \
-	string.in.h strings.in.h strnlen.c strstr.c str-two-way.h \
-	strstr.c strtok_r.c sys_random.in.h sys_select.in.h \
-	sys_socket.in.h sys_stat.in.h sys_time.in.h sys_types.in.h \
-	sys_uio.in.h sys_wait.in.h tempname.h time.in.h time_r.c \
-	unistd.in.h unistd--.h unistd-safer.h unsetenv.c \
+	setlocale_null.h windows-initguard.h setsockopt.c w32sock.h \
+	signal.in.h _Noreturn.h arg-nonnull.h c++defs.h warn-on-use.h \
+	socket.c w32sock.h w32sock.h stat-w32.c stat-w32.h stat.c \
+	stat-time.h stdalign.in.h stdbool.in.h stddef.in.h stdint.in.h \
+	stdio.in.h stdlib.in.h strchrnul.c strchrnul.valgrind strdup.c \
+	streq.h strerror.c strerror-override.c strerror-override.h \
+	strerror_r.c string.in.h strings.in.h strnlen.c strstr.c \
+	str-two-way.h strstr.c strtok_r.c sys_random.in.h \
+	sys_select.in.h sys_socket.in.h sys_stat.in.h sys_time.in.h \
+	sys_types.in.h sys_uio.in.h sys_wait.in.h tempname.h time.in.h \
+	time_r.c unistd.in.h unistd--.h unistd-safer.h unsetenv.c \
 	$(top_srcdir)/import/extra/update-copyright verify.h \
 	wchar.in.h wctype.in.h windows-initguard.h windows-mutex.c \
 	windows-mutex.h windows-once.c windows-once.h \
@@ -1912,25 +1919,26 @@ libgnu_a_SOURCES = openat-priv.h openat-proc.c basename-lgpl.c \
 	dup-safer.c fd-safer.c pipe-safer.c wctype-h.c
 libgnu_a_LIBADD = $(gl_LIBOBJS) @ALLOCA@
 libgnu_a_DEPENDENCIES = $(gl_LIBOBJS) @ALLOCA@
-EXTRA_libgnu_a_SOURCES = alloca.c btowc.c canonicalize-lgpl.c \
-	chdir-long.c chown.c fchown-stub.c close.c closedir.c dirfd.c \
-	dup.c dup2.c error.c fchdir.c fcntl.c fdopendir.c ffs.c \
-	float.c itold.c fnmatch.c fnmatch_loop.c fnmatch.c free.c \
-	frexp.c frexp.c frexpl.c fstat.c stat-w32.c at-func.c \
-	fstatat.c getcwd.c getcwd-lgpl.c getdelim.c getdtablesize.c \
-	getline.c getlogin_r.c getrandom.c gettimeofday.c glob.c \
-	glob_pattern_p.c globfree.c inet_ntop.c isblank.c isnan.c \
-	isnand.c isnan.c isnanl.c lstat.c malloc.c \
-	lc-charset-dispatch.c mbrtowc.c mbtowc-lock.c mbsinit.c \
-	mbsrtowcs-state.c mbsrtowcs.c mbtowc.c memchr.c memmem.c \
-	memmem.c mempcpy.c memrchr.c mkdir.c mkdtemp.c mkostemp.c \
-	msvc-inval.c msvc-nothrow.c open.c openat.c opendir.c pipe.c \
-	rawmemchr.c readdir.c readlink.c realloc.c rename.c \
-	rewinddir.c rmdir.c select.c setenv.c setlocale-lock.c \
-	stat-w32.c stat.c strchrnul.c strdup.c strerror.c \
-	strerror-override.c strerror_r.c strnlen.c strstr.c strstr.c \
-	strtok_r.c time_r.c unsetenv.c windows-mutex.c windows-once.c \
-	windows-recmutex.c windows-rwlock.c wmemchr.c wmempcpy.c
+EXTRA_libgnu_a_SOURCES = accept.c alloca.c bind.c btowc.c \
+	canonicalize-lgpl.c chdir-long.c chown.c fchown-stub.c close.c \
+	closedir.c connect.c dirfd.c dup.c dup2.c error.c fchdir.c \
+	fcntl.c fdopendir.c ffs.c float.c itold.c fnmatch.c \
+	fnmatch_loop.c fnmatch.c free.c frexp.c frexp.c frexpl.c \
+	fstat.c stat-w32.c at-func.c fstatat.c getcwd.c getcwd-lgpl.c \
+	getdelim.c getdtablesize.c getline.c getlogin_r.c getrandom.c \
+	gettimeofday.c glob.c glob_pattern_p.c globfree.c inet_ntop.c \
+	isblank.c isnan.c isnand.c isnan.c isnanl.c listen.c lstat.c \
+	malloc.c lc-charset-dispatch.c mbrtowc.c mbtowc-lock.c \
+	mbsinit.c mbsrtowcs-state.c mbsrtowcs.c mbtowc.c memchr.c \
+	memmem.c memmem.c mempcpy.c memrchr.c mkdir.c mkdtemp.c \
+	mkostemp.c msvc-inval.c msvc-nothrow.c open.c openat.c \
+	opendir.c pipe.c rawmemchr.c readdir.c readlink.c realloc.c \
+	rename.c rewinddir.c rmdir.c select.c setenv.c \
+	setlocale-lock.c setsockopt.c socket.c stat-w32.c stat.c \
+	strchrnul.c strdup.c strerror.c strerror-override.c \
+	strerror_r.c strnlen.c strstr.c strstr.c strtok_r.c time_r.c \
+	unsetenv.c windows-mutex.c windows-once.c windows-recmutex.c \
+	windows-rwlock.c wmemchr.c wmempcpy.c
 
 # Use this preprocessor expression to decide whether #include_next works.
 # Do not rely on a 'configure'-time test for this, since the expression
@@ -2042,9 +2050,11 @@ mostlyclean-compile:
 distclean-compile:
 	-rm -f *.tab.c
 
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/accept.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/alloca.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/at-func.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/basename-lgpl.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/bind.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/btowc.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/canonicalize-lgpl.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/chdir-long.Po@am__quote@
@@ -2052,6 +2062,7 @@ distclean-compile:
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/cloexec.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/close.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/closedir.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/connect.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/count-one-bits.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/dirfd.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/dirname-lgpl.Po@am__quote@
@@ -2098,6 +2109,7 @@ distclean-compile:
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/isnanl.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/itold.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/lc-charset-dispatch.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/listen.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/localcharset.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/lstat.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/malloc.Po@am__quote@
@@ -2137,6 +2149,8 @@ distclean-compile:
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/setenv.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/setlocale-lock.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/setlocale_null.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/setsockopt.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/socket.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/sockets.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/stat-time.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/stat-w32.Po@am__quote@
diff --git a/gnulib/import/accept.c b/gnulib/import/accept.c
new file mode 100644
index 0000000..a7d5743
--- /dev/null
+++ b/gnulib/import/accept.c
@@ -0,0 +1,52 @@
+/* accept.c --- wrappers for Windows accept function
+
+   Copyright (C) 2008-2021 Free Software Foundation, Inc.
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
+
+/* Written by Paolo Bonzini */
+
+#include <config.h>
+
+#define WIN32_LEAN_AND_MEAN
+/* Get winsock2.h. */
+#include <sys/socket.h>
+
+/* Get set_winsock_errno, FD_TO_SOCKET etc. */
+#include "w32sock.h"
+
+#undef accept
+
+int
+rpl_accept (int fd, struct sockaddr *addr, socklen_t *addrlen)
+{
+  SOCKET sock = FD_TO_SOCKET (fd);
+
+  if (sock == INVALID_SOCKET)
+    {
+      errno = EBADF;
+      return -1;
+    }
+  else
+    {
+      SOCKET fh = accept (sock, addr, addrlen);
+      if (fh == INVALID_SOCKET)
+        {
+          set_winsock_errno ();
+          return -1;
+        }
+      else
+        return SOCKET_TO_FD (fh);
+    }
+}
diff --git a/gnulib/import/bind.c b/gnulib/import/bind.c
new file mode 100644
index 0000000..467da95
--- /dev/null
+++ b/gnulib/import/bind.c
@@ -0,0 +1,49 @@
+/* bind.c --- wrappers for Windows bind function
+
+   Copyright (C) 2008-2021 Free Software Foundation, Inc.
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
+
+/* Written by Paolo Bonzini */
+
+#include <config.h>
+
+#define WIN32_LEAN_AND_MEAN
+/* Get winsock2.h. */
+#include <sys/socket.h>
+
+/* Get set_winsock_errno, FD_TO_SOCKET etc. */
+#include "w32sock.h"
+
+#undef bind
+
+int
+rpl_bind (int fd, const struct sockaddr *sockaddr, socklen_t len)
+{
+  SOCKET sock = FD_TO_SOCKET (fd);
+
+  if (sock == INVALID_SOCKET)
+    {
+      errno = EBADF;
+      return -1;
+    }
+  else
+    {
+      int r = bind (sock, sockaddr, len);
+      if (r < 0)
+        set_winsock_errno ();
+
+      return r;
+    }
+}
diff --git a/gnulib/import/connect.c b/gnulib/import/connect.c
new file mode 100644
index 0000000..6dc1107
--- /dev/null
+++ b/gnulib/import/connect.c
@@ -0,0 +1,56 @@
+/* connect.c --- wrappers for Windows connect function
+
+   Copyright (C) 2008-2021 Free Software Foundation, Inc.
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
+
+/* Written by Paolo Bonzini */
+
+#include <config.h>
+
+#define WIN32_LEAN_AND_MEAN
+/* Get winsock2.h. */
+#include <sys/socket.h>
+
+/* Get set_winsock_errno, FD_TO_SOCKET etc. */
+#include "w32sock.h"
+
+#undef connect
+
+int
+rpl_connect (int fd, const struct sockaddr *sockaddr, socklen_t len)
+{
+  SOCKET sock = FD_TO_SOCKET (fd);
+
+  if (sock == INVALID_SOCKET)
+    {
+      errno = EBADF;
+      return -1;
+    }
+  else
+    {
+      int r = connect (sock, sockaddr, len);
+      if (r < 0)
+        {
+          /* EINPROGRESS is not returned by WinSock 2.0; for backwards
+             compatibility, connect(2) uses EWOULDBLOCK.  */
+          if (WSAGetLastError () == WSAEWOULDBLOCK)
+            WSASetLastError (WSAEINPROGRESS);
+
+          set_winsock_errno ();
+        }
+
+      return r;
+    }
+}
diff --git a/gnulib/import/listen.c b/gnulib/import/listen.c
new file mode 100644
index 0000000..0645e2e
--- /dev/null
+++ b/gnulib/import/listen.c
@@ -0,0 +1,49 @@
+/* listen.c --- wrappers for Windows listen function
+
+   Copyright (C) 2008-2021 Free Software Foundation, Inc.
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
+
+/* Written by Paolo Bonzini */
+
+#include <config.h>
+
+#define WIN32_LEAN_AND_MEAN
+/* Get winsock2.h. */
+#include <sys/socket.h>
+
+/* Get set_winsock_errno, FD_TO_SOCKET etc. */
+#include "w32sock.h"
+
+#undef listen
+
+int
+rpl_listen (int fd, int backlog)
+{
+  SOCKET sock = FD_TO_SOCKET (fd);
+
+  if (sock == INVALID_SOCKET)
+    {
+      errno = EBADF;
+      return -1;
+    }
+  else
+    {
+      int r = listen (sock, backlog);
+      if (r < 0)
+        set_winsock_errno ();
+
+      return r;
+    }
+}
diff --git a/gnulib/import/m4/gnulib-cache.m4 b/gnulib/import/m4/gnulib-cache.m4
index 5396840..381cdde 100644
--- a/gnulib/import/m4/gnulib-cache.m4
+++ b/gnulib/import/m4/gnulib-cache.m4
@@ -38,9 +38,12 @@
 #  --no-libtool \
 #  --macro-prefix=gl \
 #  --no-vc-files \
+#  accept \
 #  alloca \
+#  bind \
 #  canonicalize-lgpl \
 #  chown \
+#  connect \
 #  count-one-bits \
 #  dirent \
 #  dirfd \
@@ -57,6 +60,7 @@
 #  inet_ntop \
 #  inttypes \
 #  limits-h \
+#  listen \
 #  lstat \
 #  memchr \
 #  memmem \
@@ -70,7 +74,9 @@
 #  rename \
 #  select \
 #  setenv \
+#  setsockopt \
 #  signal-h \
+#  socket \
 #  strchrnul \
 #  strerror_r-posix \
 #  strstr \
@@ -87,9 +93,12 @@
 # Specification in the form of a few gnulib-tool.m4 macro invocations:
 gl_LOCAL_DIR([])
 gl_MODULES([
+  accept
   alloca
+  bind
   canonicalize-lgpl
   chown
+  connect
   count-one-bits
   dirent
   dirfd
@@ -106,6 +115,7 @@ gl_MODULES([
   inet_ntop
   inttypes
   limits-h
+  listen
   lstat
   memchr
   memmem
@@ -119,7 +129,9 @@ gl_MODULES([
   rename
   select
   setenv
+  setsockopt
   signal-h
+  socket
   strchrnul
   strerror_r-posix
   strstr
diff --git a/gnulib/import/m4/gnulib-comp.m4 b/gnulib/import/m4/gnulib-comp.m4
index 54ae5bb..5376a93 100644
--- a/gnulib/import/m4/gnulib-comp.m4
+++ b/gnulib/import/m4/gnulib-comp.m4
@@ -44,6 +44,7 @@ AC_DEFUN([gl_EARLY],
 
   AC_REQUIRE([AM_PROG_CC_C_O])
   # Code from module absolute-header:
+  # Code from module accept:
   # Code from module alloca:
   # Code from module alloca-opt:
   # Code from module arpa_inet:
@@ -51,6 +52,7 @@ AC_DEFUN([gl_EARLY],
   # Code from module at-internal:
   # Code from module attribute:
   # Code from module basename-lgpl:
+  # Code from module bind:
   # Code from module btowc:
   # Code from module builtin-expect:
   # Code from module c99:
@@ -62,6 +64,7 @@ AC_DEFUN([gl_EARLY],
   # Code from module cloexec:
   # Code from module close:
   # Code from module closedir:
+  # Code from module connect:
   # Code from module count-one-bits:
   # Code from module ctype:
   # Code from module d-ino:
@@ -129,6 +132,7 @@ AC_DEFUN([gl_EARLY],
   AC_REQUIRE([AC_SYS_LARGEFILE])
   # Code from module libc-config:
   # Code from module limits-h:
+  # Code from module listen:
   # Code from module localcharset:
   # Code from module locale:
   # Code from module lock:
@@ -175,11 +179,13 @@ AC_DEFUN([gl_EARLY],
   # Code from module select:
   # Code from module setenv:
   # Code from module setlocale-null:
+  # Code from module setsockopt:
   # Code from module signal-h:
   # Code from module snippet/_Noreturn:
   # Code from module snippet/arg-nonnull:
   # Code from module snippet/c++defs:
   # Code from module snippet/warn-on-use:
+  # Code from module socket:
   # Code from module socketlib:
   # Code from module sockets:
   # Code from module socklen:
@@ -251,10 +257,20 @@ AC_DEFUN([gl_INIT],
   m4_pushdef([gl_LIBSOURCES_DIR], [])
   gl_COMMON
   gl_source_base='import'
+  AC_REQUIRE([gl_HEADER_SYS_SOCKET])
+  if test "$ac_cv_header_winsock2_h" = yes; then
+    AC_LIBOBJ([accept])
+  fi
+  gl_SYS_SOCKET_MODULE_INDICATOR([accept])
   gl_FUNC_ALLOCA
   gl_HEADER_ARPA_INET
   AC_PROG_MKDIR_P
   AC_REQUIRE([AC_CANONICAL_HOST])
+  AC_REQUIRE([gl_HEADER_SYS_SOCKET])
+  if test "$ac_cv_header_winsock2_h" = yes; then
+    AC_LIBOBJ([bind])
+  fi
+  gl_SYS_SOCKET_MODULE_INDICATOR([bind])
   gl_FUNC_BTOWC
   if test $HAVE_BTOWC = 0 || test $REPLACE_BTOWC = 1; then
     AC_LIBOBJ([btowc])
@@ -295,6 +311,11 @@ AC_DEFUN([gl_INIT],
     AC_LIBOBJ([closedir])
   fi
   gl_DIRENT_MODULE_INDICATOR([closedir])
+  AC_REQUIRE([gl_HEADER_SYS_SOCKET])
+  if test "$ac_cv_header_winsock2_h" = yes; then
+    AC_LIBOBJ([connect])
+  fi
+  gl_SYS_SOCKET_MODULE_INDICATOR([connect])
   gl_CTYPE_H
   gl_CHECK_TYPE_STRUCT_DIRENT_D_INO
   gl_CHECK_TYPE_STRUCT_DIRENT_D_TYPE
@@ -498,6 +519,11 @@ AC_DEFUN([gl_INIT],
   AC_REQUIRE([gl_LARGEFILE])
   gl___INLINE
   gl_LIMITS_H
+  AC_REQUIRE([gl_HEADER_SYS_SOCKET])
+  if test "$ac_cv_header_winsock2_h" = yes; then
+    AC_LIBOBJ([listen])
+  fi
+  gl_SYS_SOCKET_MODULE_INDICATOR([listen])
   gl_LOCALCHARSET
   dnl For backward compatibility. Some packages still use this.
   LOCALCHARSET_TESTS_ENVIRONMENT=
@@ -685,7 +711,26 @@ AC_DEFUN([gl_INIT],
     gl_PREREQ_SETLOCALE_LOCK
   fi
   gl_LOCALE_MODULE_INDICATOR([setlocale_null])
+  AC_REQUIRE([gl_HEADER_SYS_SOCKET])
+  if test "$ac_cv_header_winsock2_h" = yes; then
+    AC_LIBOBJ([setsockopt])
+  fi
+  gl_SYS_SOCKET_MODULE_INDICATOR([setsockopt])
   gl_SIGNAL_H
+  AC_REQUIRE([gl_HEADER_SYS_SOCKET])
+  if test "$ac_cv_header_winsock2_h" = yes; then
+    AC_LIBOBJ([socket])
+  fi
+  # When this module is used, sockets may actually occur as file descriptors,
+  # hence it is worth warning if the modules 'close' and 'ioctl' are not used.
+  m4_ifdef([gl_UNISTD_H_DEFAULTS], [AC_REQUIRE([gl_UNISTD_H_DEFAULTS])])
+  m4_ifdef([gl_SYS_IOCTL_H_DEFAULTS], [AC_REQUIRE([gl_SYS_IOCTL_H_DEFAULTS])])
+  AC_REQUIRE([gl_PREREQ_SYS_H_WINSOCK2])
+  if test "$ac_cv_header_winsock2_h" = yes; then
+    UNISTD_H_HAVE_WINSOCK2_H_AND_USE_SOCKETS=1
+    SYS_IOCTL_H_HAVE_WINSOCK2_H_AND_USE_SOCKETS=1
+  fi
+  gl_SYS_SOCKET_MODULE_INDICATOR([socket])
   AC_REQUIRE([gl_SOCKETLIB])
   AC_REQUIRE([gl_SOCKETS])
   gl_TYPE_SOCKLEN_T
@@ -980,6 +1025,7 @@ AC_DEFUN([gl_FILE_LIST], [
   doc/gendocs_template
   doc/gendocs_template_min
   lib/_Noreturn.h
+  lib/accept.c
   lib/alloca.c
   lib/alloca.in.h
   lib/arg-nonnull.h
@@ -989,6 +1035,7 @@ AC_DEFUN([gl_FILE_LIST], [
   lib/attribute.h
   lib/basename-lgpl.c
   lib/basename-lgpl.h
+  lib/bind.c
   lib/btowc.c
   lib/c++defs.h
   lib/canonicalize-lgpl.c
@@ -1000,6 +1047,7 @@ AC_DEFUN([gl_FILE_LIST], [
   lib/cloexec.h
   lib/close.c
   lib/closedir.c
+  lib/connect.c
   lib/count-one-bits.c
   lib/count-one-bits.h
   lib/ctype.in.h
@@ -1081,6 +1129,7 @@ AC_DEFUN([gl_FILE_LIST], [
   lib/lc-charset-dispatch.h
   lib/libc-config.h
   lib/limits.in.h
+  lib/listen.c
   lib/localcharset.c
   lib/localcharset.h
   lib/locale.in.h
@@ -1148,7 +1197,9 @@ AC_DEFUN([gl_FILE_LIST], [
   lib/setlocale-lock.c
   lib/setlocale_null.c
   lib/setlocale_null.h
+  lib/setsockopt.c
   lib/signal.in.h
+  lib/socket.c
   lib/sockets.c
   lib/sockets.h
   lib/stat-time.c
diff --git a/gnulib/import/setsockopt.c b/gnulib/import/setsockopt.c
new file mode 100644
index 0000000..b6f5dfc
--- /dev/null
+++ b/gnulib/import/setsockopt.c
@@ -0,0 +1,65 @@
+/* setsockopt.c --- wrappers for Windows setsockopt function
+
+   Copyright (C) 2008-2021 Free Software Foundation, Inc.
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
+
+/* Written by Paolo Bonzini */
+
+#include <config.h>
+
+#define WIN32_LEAN_AND_MEAN
+/* Get winsock2.h. */
+#include <sys/socket.h>
+
+/* Get struct timeval. */
+#include <sys/time.h>
+
+/* Get set_winsock_errno, FD_TO_SOCKET etc. */
+#include "w32sock.h"
+
+#undef setsockopt
+
+int
+rpl_setsockopt (int fd, int level, int optname, const void *optval, socklen_t optlen)
+{
+  SOCKET sock = FD_TO_SOCKET (fd);
+  int r;
+
+  if (sock == INVALID_SOCKET)
+    {
+      errno = EBADF;
+      return -1;
+    }
+  else
+    {
+      if (level == SOL_SOCKET
+          && (optname == SO_RCVTIMEO || optname == SO_SNDTIMEO))
+        {
+          const struct timeval *tv = optval;
+          int milliseconds = tv->tv_sec * 1000 + tv->tv_usec / 1000;
+          optval = &milliseconds;
+          r = setsockopt (sock, level, optname, optval, sizeof (int));
+        }
+      else
+        {
+          r = setsockopt (sock, level, optname, optval, optlen);
+        }
+
+      if (r < 0)
+        set_winsock_errno ();
+
+      return r;
+    }
+}
diff --git a/gnulib/import/socket.c b/gnulib/import/socket.c
new file mode 100644
index 0000000..f5086ad
--- /dev/null
+++ b/gnulib/import/socket.c
@@ -0,0 +1,53 @@
+/* socket.c --- wrappers for Windows socket function
+
+   Copyright (C) 2008-2021 Free Software Foundation, Inc.
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
+
+/* Written by Paolo Bonzini */
+
+#include <config.h>
+
+#define WIN32_LEAN_AND_MEAN
+/* Get winsock2.h. */
+#include <sys/socket.h>
+
+/* Get set_winsock_errno, FD_TO_SOCKET etc. */
+#include "w32sock.h"
+
+#include "sockets.h"
+
+/* Don't assume that UNICODE is defined.  */
+#undef WSASocket
+#define WSASocket WSASocketW
+
+int
+rpl_socket (int domain, int type, int protocol)
+{
+  SOCKET fh;
+
+  gl_sockets_startup (SOCKETS_1_1);
+
+  /* We have to use WSASocket() to create non-overlapped IO sockets.
+     Overlapped IO sockets cannot be used with read/write.  */
+  fh = WSASocket (domain, type, protocol, NULL, 0, 0);
+
+  if (fh == INVALID_SOCKET)
+    {
+      set_winsock_errno ();
+      return -1;
+    }
+  else
+    return SOCKET_TO_FD (fh);
+}
diff --git a/gnulib/update-gnulib.sh b/gnulib/update-gnulib.sh
index e5c6fd9..f0f8343 100755
--- a/gnulib/update-gnulib.sh
+++ b/gnulib/update-gnulib.sh
@@ -30,9 +30,12 @@
 
 # The list of gnulib modules we are importing in GDB.
 IMPORTED_GNULIB_MODULES="\
+    accept \
     alloca \
+    bind \
     canonicalize-lgpl \
     chown \
+    connect \
     count-one-bits \
     dirent \
     dirfd \
@@ -50,6 +53,7 @@ IMPORTED_GNULIB_MODULES="\
     inttypes \
     lstat \
     limits-h \
+    listen \
     memchr \
     memmem \
     mkdir \
@@ -62,7 +66,9 @@ IMPORTED_GNULIB_MODULES="\
     rename \
     select \
     setenv \
+    setsockopt \
     signal-h \
+    socket \
     strchrnul \
     strerror_r-posix \
     strstr \
author	Mike Frysinger <vapier@gentoo.org>	2021-05-29 15:57:48 -0400
committer	Mike Frysinger <vapier@gentoo.org>	2021-09-08 17:48:09 -0400
commit	c54d02bce6437ae8f0d21f86cbf62392362d35d8 (patch)
tree	e879d62cbe57dbc54959be23831757d6015df741
parent	828a9ed9ca86020a6dc08c6582d22b4953039623 (diff)
download	gdb-c54d02bce6437ae8f0d21f86cbf62392362d35d8.zip gdb-c54d02bce6437ae8f0d21f86cbf62392362d35d8.tar.gz gdb-c54d02bce6437ae8f0d21f86cbf62392362d35d8.tar.bz2