Merge remote-tracking branch 'origin/stable-2.0'

Conflicts:
	GUILE-VERSION
	libguile/posix.c
	module/ice-9/eval.scm
	test-suite/tests/cse.test

11 files changed, 597 insertions, 514 deletions

diff --git a/m4/canonicalize.m4 b/m4/canonicalize.m4
index 37df6fc5f..ea51ac420 100644
--- a/m4/canonicalize.m4
+++ b/m4/canonicalize.m4
@@ -1,4 +1,4 @@
-# canonicalize.m4 serial 24
+# canonicalize.m4 serial 26
 
 dnl Copyright (C) 2003-2007, 2009-2012 Free Software Foundation, Inc.
 
@@ -106,10 +106,10 @@ AC_DEFUN([gl_FUNC_REALPATH_WORKS],
      [gl_cv_func_realpath_works=yes],
      [gl_cv_func_realpath_works=no],
      [case "$host_os" in
-                # Guess yes on glibc systems.
-        *gnu*)  gl_cv_func_realpath_works="guessing yes" ;;
-                # If we don't know, assume the worst.
-        *)      gl_cv_func_realpath_works="guessing no" ;;
+                       # Guess yes on glibc systems.
+        *-gnu* | gnu*) gl_cv_func_realpath_works="guessing yes" ;;
+                       # If we don't know, assume the worst.
+        *)             gl_cv_func_realpath_works="guessing no" ;;
       esac
      ])
     rm -rf conftest.a conftest.d
diff --git a/m4/eealloc.m4 b/m4/eealloc.m4
index 75f17e2f1..9e5df45d3 100644
--- a/m4/eealloc.m4
+++ b/m4/eealloc.m4
@@ -1,4 +1,4 @@
-# eealloc.m4 serial 2
+# eealloc.m4 serial 3
 dnl Copyright (C) 2003, 2009-2012 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -8,7 +8,6 @@ AC_DEFUN([gl_EEALLOC],
 [
   AC_REQUIRE([gl_EEMALLOC])
   AC_REQUIRE([gl_EEREALLOC])
-  AC_REQUIRE([AC_C_INLINE])
 ])
 
 AC_DEFUN([gl_EEMALLOC],
diff --git a/m4/errno_h.m4 b/m4/errno_h.m4
index 1e76ba270..4e33ba853 100644
--- a/m4/errno_h.m4
+++ b/m4/errno_h.m4
@@ -1,4 +1,4 @@
-# errno_h.m4 serial 11
+# errno_h.m4 serial 12
 dnl Copyright (C) 2004, 2006, 2008-2012 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -58,6 +58,9 @@ booboo
 #if !defined ENOTRECOVERABLE
 booboo
 #endif
+#if !defined EILSEQ
+booboo
+#endif
       ],
       [gl_cv_header_errno_h_complete=no],
       [gl_cv_header_errno_h_complete=yes])
diff --git a/m4/extern-inline.m4 b/m4/extern-inline.m4
new file mode 100644
index 000000000..600c8d3fa
--- /dev/null
+++ b/m4/extern-inline.m4
@@ -0,0 +1,57 @@
+dnl 'extern inline' a la ISO C99.
+
+dnl Copyright 2012 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+AC_DEFUN([gl_EXTERN_INLINE],
+[
+  AC_REQUIRE([AC_C_INLINE])
+  AH_VERBATIM([extern_inline],
+[/* _GL_INLINE is a portable alternative to ISO C99 plain 'inline'.
+   _GL_EXTERN_INLINE is a portable alternative to 'extern inline'.
+   _GL_INLINE_HEADER_BEGIN contains useful stuff to put
+     in an include file, before uses of _GL_INLINE.
+     It suppresses GCC's bogus "no previous prototype for 'FOO'" diagnostic,
+     when FOO is an inline function in the header; see
+     <http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54113>.
+   _GL_INLINE_HEADER_END contains useful stuff to put
+     in the same include file, after uses of _GL_INLINE.  */
+#if (__GNUC__ \
+     ? defined __GNUC_STDC_INLINE__ && __GNUC_STDC_INLINE__ \
+     : 199901L <= __STDC_VERSION__)
+# define _GL_INLINE inline
+# define _GL_EXTERN_INLINE extern inline
+#elif 2 < __GNUC__ + (7 <= __GNUC_MINOR__)
+# if __GNUC_GNU_INLINE__
+   /* __gnu_inline__ suppresses a GCC 4.2 diagnostic.  */
+#  define _GL_INLINE extern inline __attribute__ ((__gnu_inline__))
+# else
+#  define _GL_INLINE extern inline
+# endif
+# define _GL_EXTERN_INLINE extern
+#else
+# define _GL_INLINE static inline
+# define _GL_EXTERN_INLINE static inline
+#endif
+
+#if 4 < __GNUC__ + (6 <= __GNUC_MINOR__)
+# if defined __GNUC_STDC_INLINE__ && __GNUC_STDC_INLINE__
+#  define _GL_INLINE_HEADER_CONST_PRAGMA
+# else
+#  define _GL_INLINE_HEADER_CONST_PRAGMA \
+     _Pragma ("GCC diagnostic ignored \"-Wsuggest-attribute=const\"")
+# endif
+# define _GL_INLINE_HEADER_BEGIN \
+    _Pragma ("GCC diagnostic push") \
+    _Pragma ("GCC diagnostic ignored \"-Wmissing-prototypes\"") \
+    _Pragma ("GCC diagnostic ignored \"-Wmissing-declarations\"") \
+    _GL_INLINE_HEADER_CONST_PRAGMA
+# define _GL_INLINE_HEADER_END \
+    _Pragma ("GCC diagnostic pop")
+#else
+# define _GL_INLINE_HEADER_BEGIN
+# define _GL_INLINE_HEADER_END
+#endif])
+])
diff --git a/m4/fcntl-o.m4 b/m4/fcntl-o.m4
index 9862741f3..740e78b68 100644
--- a/m4/fcntl-o.m4
+++ b/m4/fcntl-o.m4
@@ -50,7 +50,18 @@ AC_DEFUN([gl_FCNTL_O_FLAGS],
             #if HAVE_SYMLINK
             {
               static char const sym[] = "conftest.sym";
-              if (symlink (".", sym) != 0)
+              if (symlink ("/dev/null", sym) != 0)
+                result |= 2;
+              else
+                {
+                  int fd = open (sym, O_WRONLY | O_NOFOLLOW | O_CREAT, 0);
+                  if (fd >= 0)
+                    {
+                      close (fd);
+                      result |= 4;
+                    }
+                }
+              if (unlink (sym) != 0 || symlink (".", sym) != 0)
                 result |= 2;
               else
                 {
diff --git a/m4/gnulib-cache.m4 b/m4/gnulib-cache.m4
index 1b6406025..50102b260 100644
--- a/m4/gnulib-cache.m4
+++ b/m4/gnulib-cache.m4
@@ -121,5 +121,5 @@ gl_MAKEFILE_NAME([])
 gl_LIBTOOL
 gl_MACRO_PREFIX([gl])
 gl_PO_DOMAIN([])
-gl_WITNESS_C_DOMAIN([])
+gl_WITNESS_C_MACRO([])
 gl_VC_FILES([false])
diff --git a/m4/gnulib-comp.m4 b/m4/gnulib-comp.m4
index 13bf4e8ad..b52b97285 100644
--- a/m4/gnulib-comp.m4
+++ b/m4/gnulib-comp.m4
@@ -70,6 +70,7 @@ AC_DEFUN([gl_EARLY],
   # Code from module errno:
   # Code from module extensions:
   AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
+  # Code from module extern-inline:
   # Code from module fcntl-h:
   # Code from module fd-hook:
   # Code from module float:
@@ -232,482 +233,482 @@ AC_DEFUN([gl_INIT],
   m4_pushdef([gl_LIBSOURCES_DIR], [])
   gl_COMMON
   gl_source_base='lib'
-AC_REQUIRE([gl_HEADER_SYS_SOCKET])
-if test "$ac_cv_header_winsock2_h" = yes; then
-  AC_LIBOBJ([accept])
-fi
-gl_SYS_SOCKET_MODULE_INDICATOR([accept])
-gl_FUNC_ALLOCA
-gl_HEADER_ARPA_INET
-AC_PROG_MKDIR_P
-AC_REQUIRE([AC_C_INLINE])
-AC_REQUIRE([gl_HEADER_SYS_SOCKET])
-if test "$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])
-  gl_PREREQ_BTOWC
-fi
-gl_WCHAR_MODULE_INDICATOR([btowc])
-gl_BYTESWAP
-gl_CANONICALIZE_LGPL
-if test $HAVE_CANONICALIZE_FILE_NAME = 0 || test $REPLACE_CANONICALIZE_FILE_NAME = 1; then
-  AC_LIBOBJ([canonicalize-lgpl])
-fi
-gl_MODULE_INDICATOR([canonicalize-lgpl])
-gl_STDLIB_MODULE_INDICATOR([canonicalize_file_name])
-gl_STDLIB_MODULE_INDICATOR([realpath])
-gl_FUNC_CEIL
-if test $REPLACE_CEIL = 1; then
-  AC_LIBOBJ([ceil])
-fi
-gl_MATH_MODULE_INDICATOR([ceil])
-gl_UNISTD_MODULE_INDICATOR([chdir])
-gl_CLOCK_TIME
-gl_FUNC_CLOSE
-if test $REPLACE_CLOSE = 1; then
-  AC_LIBOBJ([close])
-fi
-gl_UNISTD_MODULE_INDICATOR([close])
-gl_CONFIGMAKE_PREP
-AC_REQUIRE([gl_HEADER_SYS_SOCKET])
-if test "$ac_cv_header_winsock2_h" = yes; then
-  AC_LIBOBJ([connect])
-fi
-gl_SYS_SOCKET_MODULE_INDICATOR([connect])
-gl_DIRENT_H
-gl_FUNC_DIRFD
-if test $ac_cv_func_dirfd = no && test $gl_cv_func_dirfd_macro = no; then
-  AC_LIBOBJ([dirfd])
-  gl_PREREQ_DIRFD
-fi
-gl_DIRENT_MODULE_INDICATOR([dirfd])
-gl_DIRNAME_LGPL
-gl_DOUBLE_SLASH_ROOT
-gl_FUNC_DUPLOCALE
-if test $REPLACE_DUPLOCALE = 1; then
-  AC_LIBOBJ([duplocale])
-  gl_PREREQ_DUPLOCALE
-fi
-gl_LOCALE_MODULE_INDICATOR([duplocale])
-gl_ENVIRON
-gl_UNISTD_MODULE_INDICATOR([environ])
-gl_HEADER_ERRNO_H
-gl_FCNTL_H
-gl_FLOAT_H
-if test $REPLACE_FLOAT_LDBL = 1; then
-  AC_LIBOBJ([float])
-fi
-if test $REPLACE_ITOLD = 1; then
-  AC_LIBOBJ([itold])
-fi
-gl_FUNC_FLOCK
-if test $HAVE_FLOCK = 0; then
-  AC_LIBOBJ([flock])
-  gl_PREREQ_FLOCK
-fi
-gl_HEADER_SYS_FILE_MODULE_INDICATOR([flock])
-gl_FUNC_FLOOR
-if test $REPLACE_FLOOR = 1; then
-  AC_LIBOBJ([floor])
-fi
-gl_MATH_MODULE_INDICATOR([floor])
-gl_FUNC_FREXP
-if test $gl_func_frexp != yes; then
-  AC_LIBOBJ([frexp])
-fi
-gl_MATH_MODULE_INDICATOR([frexp])
-gl_FUNC_FSTAT
-if test $REPLACE_FSTAT = 1; then
-  AC_LIBOBJ([fstat])
-  gl_PREREQ_FSTAT
-fi
-gl_SYS_STAT_MODULE_INDICATOR([fstat])
-gl_FUNC
-gl_GETADDRINFO
-if test $HAVE_GETADDRINFO = 0; then
-  AC_LIBOBJ([getaddrinfo])
-fi
-if test $HAVE_DECL_GAI_STRERROR = 0 || test $REPLACE_GAI_STRERROR = 1; then
-  AC_LIBOBJ([gai_strerror])
-fi
-gl_NETDB_MODULE_INDICATOR([getaddrinfo])
-AC_REQUIRE([gl_HEADER_SYS_SOCKET])
-if test "$ac_cv_header_winsock2_h" = yes; then
-  AC_LIBOBJ([getpeername])
-fi
-gl_SYS_SOCKET_MODULE_INDICATOR([getpeername])
-AC_REQUIRE([gl_HEADER_SYS_SOCKET])
-if test "$ac_cv_header_winsock2_h" = yes; then
-  AC_LIBOBJ([getsockname])
-fi
-gl_SYS_SOCKET_MODULE_INDICATOR([getsockname])
-AC_REQUIRE([gl_HEADER_SYS_SOCKET])
-if test "$ac_cv_header_winsock2_h" = yes; then
-  AC_LIBOBJ([getsockopt])
-fi
-gl_SYS_SOCKET_MODULE_INDICATOR([getsockopt])
-AC_SUBST([LIBINTL])
-AC_SUBST([LTLIBINTL])
-# Autoconf 2.61a.99 and earlier don't support linking a file only
-# in VPATH builds.  But since GNUmakefile is for maintainer use
-# only, it does not matter if we skip the link with older autoconf.
-# Automake 1.10.1 and earlier try to remove GNUmakefile in non-VPATH
-# builds, so use a shell variable to bypass this.
-GNUmakefile=GNUmakefile
-m4_if(m4_version_compare([2.61a.100],
-        m4_defn([m4_PACKAGE_VERSION])), [1], [],
-      [AC_CONFIG_LINKS([$GNUmakefile:$GNUmakefile], [],
-        [GNUmakefile=$GNUmakefile])])
-gl_HOSTENT
-AM_ICONV
-m4_ifdef([gl_ICONV_MODULE_INDICATOR],
-  [gl_ICONV_MODULE_INDICATOR([iconv])])
-gl_ICONV_H
-gl_FUNC_ICONV_OPEN
-if test $REPLACE_ICONV_OPEN = 1; then
-  AC_LIBOBJ([iconv_open])
-fi
-if test $REPLACE_ICONV = 1; then
-  AC_LIBOBJ([iconv])
-  AC_LIBOBJ([iconv_close])
-fi
-gl_FUNC_ICONV_OPEN_UTF
-gl_FUNC_INET_NTOP
-if test $HAVE_INET_NTOP = 0 || test $REPLACE_INET_NTOP = 1; then
-  AC_LIBOBJ([inet_ntop])
-  gl_PREREQ_INET_NTOP
-fi
-gl_ARPA_INET_MODULE_INDICATOR([inet_ntop])
-gl_FUNC_INET_PTON
-if test $HAVE_INET_PTON = 0 || test $REPLACE_INET_NTOP = 1; then
-  AC_LIBOBJ([inet_pton])
-  gl_PREREQ_INET_PTON
-fi
-gl_ARPA_INET_MODULE_INDICATOR([inet_pton])
-gl_INLINE
-gl_ISINF
-if test $REPLACE_ISINF = 1; then
-  AC_LIBOBJ([isinf])
-fi
-gl_MATH_MODULE_INDICATOR([isinf])
-gl_ISNAN
-gl_MATH_MODULE_INDICATOR([isnan])
-gl_FUNC_ISNAND
-m4_ifdef([gl_ISNAN], [
-  AC_REQUIRE([gl_ISNAN])
-])
-if test $HAVE_ISNAND = 0 || test $REPLACE_ISNAN = 1; then
-  AC_LIBOBJ([isnand])
-  gl_PREREQ_ISNAND
-fi
-gl_MATH_MODULE_INDICATOR([isnand])
-gl_FUNC_ISNAND_NO_LIBM
-if test $gl_func_isnand_no_libm != yes; then
-  AC_LIBOBJ([isnand])
-  gl_PREREQ_ISNAND
-fi
-gl_FUNC_ISNANF
-m4_ifdef([gl_ISNAN], [
-  AC_REQUIRE([gl_ISNAN])
-])
-if test $HAVE_ISNANF = 0 || test $REPLACE_ISNAN = 1; then
-  AC_LIBOBJ([isnanf])
-  gl_PREREQ_ISNANF
-fi
-gl_MATH_MODULE_INDICATOR([isnanf])
-gl_FUNC_ISNANL
-m4_ifdef([gl_ISNAN], [
-  AC_REQUIRE([gl_ISNAN])
-])
-if test $HAVE_ISNANL = 0 || test $REPLACE_ISNAN = 1; then
-  AC_LIBOBJ([isnanl])
-  gl_PREREQ_ISNANL
-fi
-gl_MATH_MODULE_INDICATOR([isnanl])
-gl_LANGINFO_H
-AC_REQUIRE([gl_LARGEFILE])
-gl_FUNC_LDEXP
-gl_LD_VERSION_SCRIPT
-gl_VISIBILITY
-gl_LIBUNISTRING
-AC_REQUIRE([gl_HEADER_SYS_SOCKET])
-if test "$ac_cv_header_winsock2_h" = yes; then
-  AC_LIBOBJ([listen])
-fi
-gl_SYS_SOCKET_MODULE_INDICATOR([listen])
-gl_LOCALCHARSET
-LOCALCHARSET_TESTS_ENVIRONMENT="CHARSETALIASDIR=\"\$(abs_top_builddir)/$gl_source_base\""
-AC_SUBST([LOCALCHARSET_TESTS_ENVIRONMENT])
-gl_LOCALE_H
-gl_FUNC_LOCALECONV
-if test $REPLACE_LOCALECONV = 1; then
-  AC_LIBOBJ([localeconv])
-  gl_PREREQ_LOCALECONV
-fi
-gl_LOCALE_MODULE_INDICATOR([localeconv])
-AC_REQUIRE([gl_FUNC_LOG])
-if test $REPLACE_LOG = 1; then
-  AC_LIBOBJ([log])
-fi
-gl_MATH_MODULE_INDICATOR([log])
-gl_FUNC_LOG1P
-if test $HAVE_LOG1P = 0 || test $REPLACE_LOG1P = 1; then
-  AC_LIBOBJ([log1p])
-fi
-gl_MATH_MODULE_INDICATOR([log1p])
-gl_FUNC_LSTAT
-if test $REPLACE_LSTAT = 1; then
-  AC_LIBOBJ([lstat])
-  gl_PREREQ_LSTAT
-fi
-gl_SYS_STAT_MODULE_INDICATOR([lstat])
-AC_CONFIG_COMMANDS_PRE([m4_ifdef([AH_HEADER],
-  [AC_SUBST([CONFIG_INCLUDE], m4_defn([AH_HEADER]))])])
-gl_FUNC_MALLOC_GNU
-if test $REPLACE_MALLOC = 1; then
-  AC_LIBOBJ([malloc])
-fi
-gl_MODULE_INDICATOR([malloc-gnu])
-gl_FUNC_MALLOC_POSIX
-if test $REPLACE_MALLOC = 1; then
-  AC_LIBOBJ([malloc])
-fi
-gl_STDLIB_MODULE_INDICATOR([malloc-posix])
-gl_MALLOCA
-gl_MATH_H
-gl_FUNC_MBRTOWC
-if test $HAVE_MBRTOWC = 0 || test $REPLACE_MBRTOWC = 1; then
-  AC_LIBOBJ([mbrtowc])
-  gl_PREREQ_MBRTOWC
-fi
-gl_WCHAR_MODULE_INDICATOR([mbrtowc])
-gl_FUNC_MBSINIT
-if test $HAVE_MBSINIT = 0 || test $REPLACE_MBSINIT = 1; then
-  AC_LIBOBJ([mbsinit])
-  gl_PREREQ_MBSINIT
-fi
-gl_WCHAR_MODULE_INDICATOR([mbsinit])
-gl_FUNC_MBTOWC
-if test $REPLACE_MBTOWC = 1; then
-  AC_LIBOBJ([mbtowc])
-  gl_PREREQ_MBTOWC
-fi
-gl_STDLIB_MODULE_INDICATOR([mbtowc])
-gl_FUNC_MEMCHR
-if test $HAVE_MEMCHR = 0 || test $REPLACE_MEMCHR = 1; then
-  AC_LIBOBJ([memchr])
-  gl_PREREQ_MEMCHR
-fi
-gl_STRING_MODULE_INDICATOR([memchr])
-gl_MSVC_INVAL
-if test $HAVE_MSVC_INVALID_PARAMETER_HANDLER = 1; then
-  AC_LIBOBJ([msvc-inval])
-fi
-gl_MSVC_NOTHROW
-if test $HAVE_MSVC_INVALID_PARAMETER_HANDLER = 1; then
-  AC_LIBOBJ([msvc-nothrow])
-fi
-gl_MULTIARCH
-gl_HEADER_NETDB
-gl_HEADER_NETINET_IN
-AC_PROG_MKDIR_P
-gl_FUNC_NL_LANGINFO
-if test $HAVE_NL_LANGINFO = 0 || test $REPLACE_NL_LANGINFO = 1; then
-  AC_LIBOBJ([nl_langinfo])
-fi
-gl_LANGINFO_MODULE_INDICATOR([nl_langinfo])
-gl_NPROC
-gl_FUNC_OPEN
-if test $REPLACE_OPEN = 1; then
-  AC_LIBOBJ([open])
-  gl_PREREQ_OPEN
-fi
-gl_FCNTL_MODULE_INDICATOR([open])
-gl_PATHMAX
-gl_FUNC_PIPE2
-gl_UNISTD_MODULE_INDICATOR([pipe2])
-gl_FUNC_PUTENV
-if test $REPLACE_PUTENV = 1; then
-  AC_LIBOBJ([putenv])
-fi
-gl_STDLIB_MODULE_INDICATOR([putenv])
-gl_FUNC_RAISE
-if test $HAVE_RAISE = 0 || test $REPLACE_RAISE = 1; then
-  AC_LIBOBJ([raise])
-  gl_PREREQ_RAISE
-fi
-gl_SIGNAL_MODULE_INDICATOR([raise])
-gl_FUNC_READ
-if test $REPLACE_READ = 1; then
-  AC_LIBOBJ([read])
-  gl_PREREQ_READ
-fi
-gl_UNISTD_MODULE_INDICATOR([read])
-gl_FUNC_READLINK
-if test $HAVE_READLINK = 0 || test $REPLACE_READLINK = 1; then
-  AC_LIBOBJ([readlink])
-  gl_PREREQ_READLINK
-fi
-gl_UNISTD_MODULE_INDICATOR([readlink])
-AC_REQUIRE([gl_HEADER_SYS_SOCKET])
-if test "$ac_cv_header_winsock2_h" = yes; then
-  AC_LIBOBJ([recv])
-fi
-gl_SYS_SOCKET_MODULE_INDICATOR([recv])
-AC_REQUIRE([gl_HEADER_SYS_SOCKET])
-if test "$ac_cv_header_winsock2_h" = yes; then
-  AC_LIBOBJ([recvfrom])
-fi
-gl_SYS_SOCKET_MODULE_INDICATOR([recvfrom])
-gl_REGEX
-if test $ac_use_included_regex = yes; then
-  AC_LIBOBJ([regex])
-  gl_PREREQ_REGEX
-fi
-gl_FUNC_RENAME
-if test $REPLACE_RENAME = 1; then
-  AC_LIBOBJ([rename])
-fi
-gl_STDIO_MODULE_INDICATOR([rename])
-gl_FUNC_RMDIR
-if test $REPLACE_RMDIR = 1; then
-  AC_LIBOBJ([rmdir])
-fi
-gl_UNISTD_MODULE_INDICATOR([rmdir])
-gl_FUNC_ROUND
-if test $HAVE_ROUND = 0 || test $REPLACE_ROUND = 1; then
-  AC_LIBOBJ([round])
-fi
-gl_MATH_MODULE_INDICATOR([round])
-gl_PREREQ_SAFE_READ
-gl_PREREQ_SAFE_WRITE
-AC_REQUIRE([gl_HEADER_SYS_SOCKET])
-if test "$ac_cv_header_winsock2_h" = yes; then
-  AC_LIBOBJ([send])
-fi
-gl_SYS_SOCKET_MODULE_INDICATOR([send])
-AC_REQUIRE([gl_HEADER_SYS_SOCKET])
-if test "$ac_cv_header_winsock2_h" = yes; then
-  AC_LIBOBJ([sendto])
-fi
-gl_SYS_SOCKET_MODULE_INDICATOR([sendto])
-gl_SERVENT
-gl_FUNC_SETENV
-if test $HAVE_SETENV = 0 || test $REPLACE_SETENV = 1; then
-  AC_LIBOBJ([setenv])
-fi
-gl_STDLIB_MODULE_INDICATOR([setenv])
-AC_REQUIRE([gl_HEADER_SYS_SOCKET])
-if test "$ac_cv_header_winsock2_h" = yes; then
-  AC_LIBOBJ([setsockopt])
-fi
-gl_SYS_SOCKET_MODULE_INDICATOR([setsockopt])
-AC_REQUIRE([gl_HEADER_SYS_SOCKET])
-if test "$ac_cv_header_winsock2_h" = yes; then
-  AC_LIBOBJ([shutdown])
-fi
-gl_SYS_SOCKET_MODULE_INDICATOR([shutdown])
-gl_SIGNAL_H
-gl_SIZE_MAX
-gl_FUNC_SNPRINTF
-gl_STDIO_MODULE_INDICATOR([snprintf])
-gl_MODULE_INDICATOR([snprintf])
-AC_REQUIRE([gl_HEADER_SYS_SOCKET])
-if test "$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])
-gl_SOCKETLIB
-gl_SOCKETS
-gl_TYPE_SOCKLEN_T
-gt_TYPE_SSIZE_T
-gl_FUNC_STAT
-if test $REPLACE_STAT = 1; then
-  AC_LIBOBJ([stat])
-  gl_PREREQ_STAT
-fi
-gl_SYS_STAT_MODULE_INDICATOR([stat])
-gl_STAT_TIME
-gl_STAT_BIRTHTIME
-gl_STDALIGN_H
-AM_STDBOOL_H
-gl_STDDEF_H
-gl_STDINT_H
-gl_STDIO_H
-gl_STDLIB_H
-gl_FUNC_GNU_STRFTIME
-if test $gl_cond_libtool = false; then
-  gl_ltlibdeps="$gl_ltlibdeps $LTLIBICONV"
-  gl_libdeps="$gl_libdeps $LIBICONV"
-fi
-gl_HEADER_STRING_H
-gl_HEADER_SYS_FILE_H
-AC_PROG_MKDIR_P
-gl_HEADER_SYS_SOCKET
-AC_PROG_MKDIR_P
-gl_HEADER_SYS_STAT_H
-AC_PROG_MKDIR_P
-gl_HEADER_SYS_TIME_H
-AC_PROG_MKDIR_P
-gl_SYS_TYPES_H
-AC_PROG_MKDIR_P
-gl_HEADER_SYS_UIO
-AC_PROG_MKDIR_P
-gl_HEADER_TIME_H
-gl_TIME_R
-if test $HAVE_LOCALTIME_R = 0 || test $REPLACE_LOCALTIME_R = 1; then
-  AC_LIBOBJ([time_r])
-  gl_PREREQ_TIME_R
-fi
-gl_TIME_MODULE_INDICATOR([time_r])
-gl_FUNC_TRUNC
-if test $HAVE_DECL_TRUNC = 0 || test $REPLACE_TRUNC = 1; then
-  AC_LIBOBJ([trunc])
-fi
-gl_MATH_MODULE_INDICATOR([trunc])
-gl_UNISTD_H
-gl_LIBUNISTRING_LIBHEADER([0.9.2], [unistr.h])
-gl_MODULE_INDICATOR([unistr/u8-mbtouc])
-gl_LIBUNISTRING_MODULE([0.9.4], [unistr/u8-mbtouc])
-gl_MODULE_INDICATOR([unistr/u8-mbtouc-unsafe])
-gl_LIBUNISTRING_MODULE([0.9.4], [unistr/u8-mbtouc-unsafe])
-gl_MODULE_INDICATOR([unistr/u8-mbtoucr])
-gl_LIBUNISTRING_MODULE([0.9], [unistr/u8-mbtoucr])
-gl_LIBUNISTRING_MODULE([0.9], [unistr/u8-prev])
-gl_MODULE_INDICATOR([unistr/u8-uctomb])
-gl_LIBUNISTRING_MODULE([0.9], [unistr/u8-uctomb])
-gl_LIBUNISTRING_LIBHEADER([0.9], [unitypes.h])
-gl_FUNC_VASNPRINTF
-gl_FUNC_VSNPRINTF
-gl_STDIO_MODULE_INDICATOR([vsnprintf])
-gl_WCHAR_H
-gl_FUNC_WCRTOMB
-if test $HAVE_WCRTOMB = 0 || test $REPLACE_WCRTOMB = 1; then
-  AC_LIBOBJ([wcrtomb])
-  gl_PREREQ_WCRTOMB
-fi
-gl_WCHAR_MODULE_INDICATOR([wcrtomb])
-gl_WCTYPE_H
-gl_FUNC_WRITE
-if test $REPLACE_WRITE = 1; then
-  AC_LIBOBJ([write])
-  gl_PREREQ_WRITE
-fi
-gl_UNISTD_MODULE_INDICATOR([write])
-gl_XSIZE
+  AC_REQUIRE([gl_HEADER_SYS_SOCKET])
+  if test "$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([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])
+    gl_PREREQ_BTOWC
+  fi
+  gl_WCHAR_MODULE_INDICATOR([btowc])
+  gl_BYTESWAP
+  gl_CANONICALIZE_LGPL
+  if test $HAVE_CANONICALIZE_FILE_NAME = 0 || test $REPLACE_CANONICALIZE_FILE_NAME = 1; then
+    AC_LIBOBJ([canonicalize-lgpl])
+  fi
+  gl_MODULE_INDICATOR([canonicalize-lgpl])
+  gl_STDLIB_MODULE_INDICATOR([canonicalize_file_name])
+  gl_STDLIB_MODULE_INDICATOR([realpath])
+  gl_FUNC_CEIL
+  if test $REPLACE_CEIL = 1; then
+    AC_LIBOBJ([ceil])
+  fi
+  gl_MATH_MODULE_INDICATOR([ceil])
+  gl_UNISTD_MODULE_INDICATOR([chdir])
+  gl_CLOCK_TIME
+  gl_FUNC_CLOSE
+  if test $REPLACE_CLOSE = 1; then
+    AC_LIBOBJ([close])
+  fi
+  gl_UNISTD_MODULE_INDICATOR([close])
+  gl_CONFIGMAKE_PREP
+  AC_REQUIRE([gl_HEADER_SYS_SOCKET])
+  if test "$ac_cv_header_winsock2_h" = yes; then
+    AC_LIBOBJ([connect])
+  fi
+  gl_SYS_SOCKET_MODULE_INDICATOR([connect])
+  gl_DIRENT_H
+  gl_FUNC_DIRFD
+  if test $ac_cv_func_dirfd = no && test $gl_cv_func_dirfd_macro = no; then
+    AC_LIBOBJ([dirfd])
+    gl_PREREQ_DIRFD
+  fi
+  gl_DIRENT_MODULE_INDICATOR([dirfd])
+  gl_DIRNAME_LGPL
+  gl_DOUBLE_SLASH_ROOT
+  gl_FUNC_DUPLOCALE
+  if test $REPLACE_DUPLOCALE = 1; then
+    AC_LIBOBJ([duplocale])
+    gl_PREREQ_DUPLOCALE
+  fi
+  gl_LOCALE_MODULE_INDICATOR([duplocale])
+  gl_ENVIRON
+  gl_UNISTD_MODULE_INDICATOR([environ])
+  gl_HEADER_ERRNO_H
+  AC_REQUIRE([gl_EXTERN_INLINE])
+  gl_FCNTL_H
+  gl_FLOAT_H
+  if test $REPLACE_FLOAT_LDBL = 1; then
+    AC_LIBOBJ([float])
+  fi
+  if test $REPLACE_ITOLD = 1; then
+    AC_LIBOBJ([itold])
+  fi
+  gl_FUNC_FLOCK
+  if test $HAVE_FLOCK = 0; then
+    AC_LIBOBJ([flock])
+    gl_PREREQ_FLOCK
+  fi
+  gl_HEADER_SYS_FILE_MODULE_INDICATOR([flock])
+  gl_FUNC_FLOOR
+  if test $REPLACE_FLOOR = 1; then
+    AC_LIBOBJ([floor])
+  fi
+  gl_MATH_MODULE_INDICATOR([floor])
+  gl_FUNC_FREXP
+  if test $gl_func_frexp != yes; then
+    AC_LIBOBJ([frexp])
+  fi
+  gl_MATH_MODULE_INDICATOR([frexp])
+  gl_FUNC_FSTAT
+  if test $REPLACE_FSTAT = 1; then
+    AC_LIBOBJ([fstat])
+    gl_PREREQ_FSTAT
+  fi
+  gl_SYS_STAT_MODULE_INDICATOR([fstat])
+  gl_FUNC
+  gl_GETADDRINFO
+  if test $HAVE_GETADDRINFO = 0; then
+    AC_LIBOBJ([getaddrinfo])
+  fi
+  if test $HAVE_DECL_GAI_STRERROR = 0 || test $REPLACE_GAI_STRERROR = 1; then
+    AC_LIBOBJ([gai_strerror])
+  fi
+  gl_NETDB_MODULE_INDICATOR([getaddrinfo])
+  AC_REQUIRE([gl_HEADER_SYS_SOCKET])
+  if test "$ac_cv_header_winsock2_h" = yes; then
+    AC_LIBOBJ([getpeername])
+  fi
+  gl_SYS_SOCKET_MODULE_INDICATOR([getpeername])
+  AC_REQUIRE([gl_HEADER_SYS_SOCKET])
+  if test "$ac_cv_header_winsock2_h" = yes; then
+    AC_LIBOBJ([getsockname])
+  fi
+  gl_SYS_SOCKET_MODULE_INDICATOR([getsockname])
+  AC_REQUIRE([gl_HEADER_SYS_SOCKET])
+  if test "$ac_cv_header_winsock2_h" = yes; then
+    AC_LIBOBJ([getsockopt])
+  fi
+  gl_SYS_SOCKET_MODULE_INDICATOR([getsockopt])
+  AC_SUBST([LIBINTL])
+  AC_SUBST([LTLIBINTL])
+  # Autoconf 2.61a.99 and earlier don't support linking a file only
+  # in VPATH builds.  But since GNUmakefile is for maintainer use
+  # only, it does not matter if we skip the link with older autoconf.
+  # Automake 1.10.1 and earlier try to remove GNUmakefile in non-VPATH
+  # builds, so use a shell variable to bypass this.
+  GNUmakefile=GNUmakefile
+  m4_if(m4_version_compare([2.61a.100],
+          m4_defn([m4_PACKAGE_VERSION])), [1], [],
+        [AC_CONFIG_LINKS([$GNUmakefile:$GNUmakefile], [],
+          [GNUmakefile=$GNUmakefile])])
+  gl_HOSTENT
+  AM_ICONV
+  m4_ifdef([gl_ICONV_MODULE_INDICATOR],
+    [gl_ICONV_MODULE_INDICATOR([iconv])])
+  gl_ICONV_H
+  gl_FUNC_ICONV_OPEN
+  if test $REPLACE_ICONV_OPEN = 1; then
+    AC_LIBOBJ([iconv_open])
+  fi
+  if test $REPLACE_ICONV = 1; then
+    AC_LIBOBJ([iconv])
+    AC_LIBOBJ([iconv_close])
+  fi
+  gl_FUNC_ICONV_OPEN_UTF
+  gl_FUNC_INET_NTOP
+  if test $HAVE_INET_NTOP = 0 || test $REPLACE_INET_NTOP = 1; then
+    AC_LIBOBJ([inet_ntop])
+    gl_PREREQ_INET_NTOP
+  fi
+  gl_ARPA_INET_MODULE_INDICATOR([inet_ntop])
+  gl_FUNC_INET_PTON
+  if test $HAVE_INET_PTON = 0 || test $REPLACE_INET_NTOP = 1; then
+    AC_LIBOBJ([inet_pton])
+    gl_PREREQ_INET_PTON
+  fi
+  gl_ARPA_INET_MODULE_INDICATOR([inet_pton])
+  gl_INLINE
+  gl_ISINF
+  if test $REPLACE_ISINF = 1; then
+    AC_LIBOBJ([isinf])
+  fi
+  gl_MATH_MODULE_INDICATOR([isinf])
+  gl_ISNAN
+  gl_MATH_MODULE_INDICATOR([isnan])
+  gl_FUNC_ISNAND
+  m4_ifdef([gl_ISNAN], [
+    AC_REQUIRE([gl_ISNAN])
+  ])
+  if test $HAVE_ISNAND = 0 || test $REPLACE_ISNAN = 1; then
+    AC_LIBOBJ([isnand])
+    gl_PREREQ_ISNAND
+  fi
+  gl_MATH_MODULE_INDICATOR([isnand])
+  gl_FUNC_ISNAND_NO_LIBM
+  if test $gl_func_isnand_no_libm != yes; then
+    AC_LIBOBJ([isnand])
+    gl_PREREQ_ISNAND
+  fi
+  gl_FUNC_ISNANF
+  m4_ifdef([gl_ISNAN], [
+    AC_REQUIRE([gl_ISNAN])
+  ])
+  if test $HAVE_ISNANF = 0 || test $REPLACE_ISNAN = 1; then
+    AC_LIBOBJ([isnanf])
+    gl_PREREQ_ISNANF
+  fi
+  gl_MATH_MODULE_INDICATOR([isnanf])
+  gl_FUNC_ISNANL
+  m4_ifdef([gl_ISNAN], [
+    AC_REQUIRE([gl_ISNAN])
+  ])
+  if test $HAVE_ISNANL = 0 || test $REPLACE_ISNAN = 1; then
+    AC_LIBOBJ([isnanl])
+    gl_PREREQ_ISNANL
+  fi
+  gl_MATH_MODULE_INDICATOR([isnanl])
+  gl_LANGINFO_H
+  AC_REQUIRE([gl_LARGEFILE])
+  gl_FUNC_LDEXP
+  gl_LD_VERSION_SCRIPT
+  gl_VISIBILITY
+  gl_LIBUNISTRING
+  AC_REQUIRE([gl_HEADER_SYS_SOCKET])
+  if test "$ac_cv_header_winsock2_h" = yes; then
+    AC_LIBOBJ([listen])
+  fi
+  gl_SYS_SOCKET_MODULE_INDICATOR([listen])
+  gl_LOCALCHARSET
+  LOCALCHARSET_TESTS_ENVIRONMENT="CHARSETALIASDIR=\"\$(abs_top_builddir)/$gl_source_base\""
+  AC_SUBST([LOCALCHARSET_TESTS_ENVIRONMENT])
+  gl_LOCALE_H
+  gl_FUNC_LOCALECONV
+  if test $REPLACE_LOCALECONV = 1; then
+    AC_LIBOBJ([localeconv])
+    gl_PREREQ_LOCALECONV
+  fi
+  gl_LOCALE_MODULE_INDICATOR([localeconv])
+  AC_REQUIRE([gl_FUNC_LOG])
+  if test $REPLACE_LOG = 1; then
+    AC_LIBOBJ([log])
+  fi
+  gl_MATH_MODULE_INDICATOR([log])
+  gl_FUNC_LOG1P
+  if test $HAVE_LOG1P = 0 || test $REPLACE_LOG1P = 1; then
+    AC_LIBOBJ([log1p])
+  fi
+  gl_MATH_MODULE_INDICATOR([log1p])
+  gl_FUNC_LSTAT
+  if test $REPLACE_LSTAT = 1; then
+    AC_LIBOBJ([lstat])
+    gl_PREREQ_LSTAT
+  fi
+  gl_SYS_STAT_MODULE_INDICATOR([lstat])
+  AC_CONFIG_COMMANDS_PRE([m4_ifdef([AH_HEADER],
+    [AC_SUBST([CONFIG_INCLUDE], m4_defn([AH_HEADER]))])])
+  gl_FUNC_MALLOC_GNU
+  if test $REPLACE_MALLOC = 1; then
+    AC_LIBOBJ([malloc])
+  fi
+  gl_MODULE_INDICATOR([malloc-gnu])
+  gl_FUNC_MALLOC_POSIX
+  if test $REPLACE_MALLOC = 1; then
+    AC_LIBOBJ([malloc])
+  fi
+  gl_STDLIB_MODULE_INDICATOR([malloc-posix])
+  gl_MALLOCA
+  gl_MATH_H
+  gl_FUNC_MBRTOWC
+  if test $HAVE_MBRTOWC = 0 || test $REPLACE_MBRTOWC = 1; then
+    AC_LIBOBJ([mbrtowc])
+    gl_PREREQ_MBRTOWC
+  fi
+  gl_WCHAR_MODULE_INDICATOR([mbrtowc])
+  gl_FUNC_MBSINIT
+  if test $HAVE_MBSINIT = 0 || test $REPLACE_MBSINIT = 1; then
+    AC_LIBOBJ([mbsinit])
+    gl_PREREQ_MBSINIT
+  fi
+  gl_WCHAR_MODULE_INDICATOR([mbsinit])
+  gl_FUNC_MBTOWC
+  if test $REPLACE_MBTOWC = 1; then
+    AC_LIBOBJ([mbtowc])
+    gl_PREREQ_MBTOWC
+  fi
+  gl_STDLIB_MODULE_INDICATOR([mbtowc])
+  gl_FUNC_MEMCHR
+  if test $HAVE_MEMCHR = 0 || test $REPLACE_MEMCHR = 1; then
+    AC_LIBOBJ([memchr])
+    gl_PREREQ_MEMCHR
+  fi
+  gl_STRING_MODULE_INDICATOR([memchr])
+  gl_MSVC_INVAL
+  if test $HAVE_MSVC_INVALID_PARAMETER_HANDLER = 1; then
+    AC_LIBOBJ([msvc-inval])
+  fi
+  gl_MSVC_NOTHROW
+  if test $HAVE_MSVC_INVALID_PARAMETER_HANDLER = 1; then
+    AC_LIBOBJ([msvc-nothrow])
+  fi
+  gl_MULTIARCH
+  gl_HEADER_NETDB
+  gl_HEADER_NETINET_IN
+  AC_PROG_MKDIR_P
+  gl_FUNC_NL_LANGINFO
+  if test $HAVE_NL_LANGINFO = 0 || test $REPLACE_NL_LANGINFO = 1; then
+    AC_LIBOBJ([nl_langinfo])
+  fi
+  gl_LANGINFO_MODULE_INDICATOR([nl_langinfo])
+  gl_NPROC
+  gl_FUNC_OPEN
+  if test $REPLACE_OPEN = 1; then
+    AC_LIBOBJ([open])
+    gl_PREREQ_OPEN
+  fi
+  gl_FCNTL_MODULE_INDICATOR([open])
+  gl_PATHMAX
+  gl_FUNC_PIPE2
+  gl_UNISTD_MODULE_INDICATOR([pipe2])
+  gl_FUNC_PUTENV
+  if test $REPLACE_PUTENV = 1; then
+    AC_LIBOBJ([putenv])
+  fi
+  gl_STDLIB_MODULE_INDICATOR([putenv])
+  gl_FUNC_RAISE
+  if test $HAVE_RAISE = 0 || test $REPLACE_RAISE = 1; then
+    AC_LIBOBJ([raise])
+    gl_PREREQ_RAISE
+  fi
+  gl_SIGNAL_MODULE_INDICATOR([raise])
+  gl_FUNC_READ
+  if test $REPLACE_READ = 1; then
+    AC_LIBOBJ([read])
+    gl_PREREQ_READ
+  fi
+  gl_UNISTD_MODULE_INDICATOR([read])
+  gl_FUNC_READLINK
+  if test $HAVE_READLINK = 0 || test $REPLACE_READLINK = 1; then
+    AC_LIBOBJ([readlink])
+    gl_PREREQ_READLINK
+  fi
+  gl_UNISTD_MODULE_INDICATOR([readlink])
+  AC_REQUIRE([gl_HEADER_SYS_SOCKET])
+  if test "$ac_cv_header_winsock2_h" = yes; then
+    AC_LIBOBJ([recv])
+  fi
+  gl_SYS_SOCKET_MODULE_INDICATOR([recv])
+  AC_REQUIRE([gl_HEADER_SYS_SOCKET])
+  if test "$ac_cv_header_winsock2_h" = yes; then
+    AC_LIBOBJ([recvfrom])
+  fi
+  gl_SYS_SOCKET_MODULE_INDICATOR([recvfrom])
+  gl_REGEX
+  if test $ac_use_included_regex = yes; then
+    AC_LIBOBJ([regex])
+    gl_PREREQ_REGEX
+  fi
+  gl_FUNC_RENAME
+  if test $REPLACE_RENAME = 1; then
+    AC_LIBOBJ([rename])
+  fi
+  gl_STDIO_MODULE_INDICATOR([rename])
+  gl_FUNC_RMDIR
+  if test $REPLACE_RMDIR = 1; then
+    AC_LIBOBJ([rmdir])
+  fi
+  gl_UNISTD_MODULE_INDICATOR([rmdir])
+  gl_FUNC_ROUND
+  if test $HAVE_ROUND = 0 || test $REPLACE_ROUND = 1; then
+    AC_LIBOBJ([round])
+  fi
+  gl_MATH_MODULE_INDICATOR([round])
+  gl_PREREQ_SAFE_READ
+  gl_PREREQ_SAFE_WRITE
+  AC_REQUIRE([gl_HEADER_SYS_SOCKET])
+  if test "$ac_cv_header_winsock2_h" = yes; then
+    AC_LIBOBJ([send])
+  fi
+  gl_SYS_SOCKET_MODULE_INDICATOR([send])
+  AC_REQUIRE([gl_HEADER_SYS_SOCKET])
+  if test "$ac_cv_header_winsock2_h" = yes; then
+    AC_LIBOBJ([sendto])
+  fi
+  gl_SYS_SOCKET_MODULE_INDICATOR([sendto])
+  gl_SERVENT
+  gl_FUNC_SETENV
+  if test $HAVE_SETENV = 0 || test $REPLACE_SETENV = 1; then
+    AC_LIBOBJ([setenv])
+  fi
+  gl_STDLIB_MODULE_INDICATOR([setenv])
+  AC_REQUIRE([gl_HEADER_SYS_SOCKET])
+  if test "$ac_cv_header_winsock2_h" = yes; then
+    AC_LIBOBJ([setsockopt])
+  fi
+  gl_SYS_SOCKET_MODULE_INDICATOR([setsockopt])
+  AC_REQUIRE([gl_HEADER_SYS_SOCKET])
+  if test "$ac_cv_header_winsock2_h" = yes; then
+    AC_LIBOBJ([shutdown])
+  fi
+  gl_SYS_SOCKET_MODULE_INDICATOR([shutdown])
+  gl_SIGNAL_H
+  gl_SIZE_MAX
+  gl_FUNC_SNPRINTF
+  gl_STDIO_MODULE_INDICATOR([snprintf])
+  gl_MODULE_INDICATOR([snprintf])
+  AC_REQUIRE([gl_HEADER_SYS_SOCKET])
+  if test "$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])
+  gl_SOCKETLIB
+  gl_SOCKETS
+  gl_TYPE_SOCKLEN_T
+  gt_TYPE_SSIZE_T
+  gl_FUNC_STAT
+  if test $REPLACE_STAT = 1; then
+    AC_LIBOBJ([stat])
+    gl_PREREQ_STAT
+  fi
+  gl_SYS_STAT_MODULE_INDICATOR([stat])
+  gl_STAT_TIME
+  gl_STAT_BIRTHTIME
+  gl_STDALIGN_H
+  AM_STDBOOL_H
+  gl_STDDEF_H
+  gl_STDINT_H
+  gl_STDIO_H
+  gl_STDLIB_H
+  gl_FUNC_GNU_STRFTIME
+  if test $gl_cond_libtool = false; then
+    gl_ltlibdeps="$gl_ltlibdeps $LTLIBICONV"
+    gl_libdeps="$gl_libdeps $LIBICONV"
+  fi
+  gl_HEADER_STRING_H
+  gl_HEADER_SYS_FILE_H
+  AC_PROG_MKDIR_P
+  gl_HEADER_SYS_SOCKET
+  AC_PROG_MKDIR_P
+  gl_HEADER_SYS_STAT_H
+  AC_PROG_MKDIR_P
+  gl_HEADER_SYS_TIME_H
+  AC_PROG_MKDIR_P
+  gl_SYS_TYPES_H
+  AC_PROG_MKDIR_P
+  gl_HEADER_SYS_UIO
+  AC_PROG_MKDIR_P
+  gl_HEADER_TIME_H
+  gl_TIME_R
+  if test $HAVE_LOCALTIME_R = 0 || test $REPLACE_LOCALTIME_R = 1; then
+    AC_LIBOBJ([time_r])
+    gl_PREREQ_TIME_R
+  fi
+  gl_TIME_MODULE_INDICATOR([time_r])
+  gl_FUNC_TRUNC
+  if test $HAVE_DECL_TRUNC = 0 || test $REPLACE_TRUNC = 1; then
+    AC_LIBOBJ([trunc])
+  fi
+  gl_MATH_MODULE_INDICATOR([trunc])
+  gl_UNISTD_H
+  gl_LIBUNISTRING_LIBHEADER([0.9.2], [unistr.h])
+  gl_MODULE_INDICATOR([unistr/u8-mbtouc])
+  gl_LIBUNISTRING_MODULE([0.9.4], [unistr/u8-mbtouc])
+  gl_MODULE_INDICATOR([unistr/u8-mbtouc-unsafe])
+  gl_LIBUNISTRING_MODULE([0.9.4], [unistr/u8-mbtouc-unsafe])
+  gl_MODULE_INDICATOR([unistr/u8-mbtoucr])
+  gl_LIBUNISTRING_MODULE([0.9], [unistr/u8-mbtoucr])
+  gl_LIBUNISTRING_MODULE([0.9], [unistr/u8-prev])
+  gl_MODULE_INDICATOR([unistr/u8-uctomb])
+  gl_LIBUNISTRING_MODULE([0.9], [unistr/u8-uctomb])
+  gl_LIBUNISTRING_LIBHEADER([0.9], [unitypes.h])
+  gl_FUNC_VASNPRINTF
+  gl_FUNC_VSNPRINTF
+  gl_STDIO_MODULE_INDICATOR([vsnprintf])
+  gl_WCHAR_H
+  gl_FUNC_WCRTOMB
+  if test $HAVE_WCRTOMB = 0 || test $REPLACE_WCRTOMB = 1; then
+    AC_LIBOBJ([wcrtomb])
+    gl_PREREQ_WCRTOMB
+  fi
+  gl_WCHAR_MODULE_INDICATOR([wcrtomb])
+  gl_WCTYPE_H
+  gl_FUNC_WRITE
+  if test $REPLACE_WRITE = 1; then
+    AC_LIBOBJ([write])
+    gl_PREREQ_WRITE
+  fi
+  gl_UNISTD_MODULE_INDICATOR([write])
+  gl_XSIZE
   # End of code from modules
   m4_ifval(gl_LIBSOURCES_LIST, [
     m4_syscmd([test ! -d ]m4_defn([gl_LIBSOURCES_DIR])[ ||
@@ -865,6 +866,7 @@ AC_DEFUN([gl_FILE_LIST], [
   lib/arpa_inet.in.h
   lib/asnprintf.c
   lib/basename-lgpl.c
+  lib/binary-io.c
   lib/binary-io.h
   lib/bind.c
   lib/btowc.c
@@ -996,6 +998,7 @@ AC_DEFUN([gl_FILE_LIST], [
   lib/socket.c
   lib/sockets.c
   lib/sockets.h
+  lib/stat-time.c
   lib/stat-time.h
   lib/stat.c
   lib/stdalign.in.h
@@ -1040,6 +1043,7 @@ AC_DEFUN([gl_FILE_LIST], [
   lib/wcrtomb.c
   lib/wctype.in.h
   lib/write.c
+  lib/xsize.c
   lib/xsize.h
   m4/00gnulib.m4
   m4/absolute-header.m4
@@ -1067,6 +1071,7 @@ AC_DEFUN([gl_FILE_LIST], [
   m4/exponentf.m4
   m4/exponentl.m4
   m4/extensions.m4
+  m4/extern-inline.m4
   m4/fcntl-o.m4
   m4/fcntl_h.m4
   m4/float_h.m4
diff --git a/m4/lib-ld.m4 b/m4/lib-ld.m4
index 4e1374d9b..e1feab540 100644
--- a/m4/lib-ld.m4
+++ b/m4/lib-ld.m4
@@ -1,33 +1,39 @@
-# lib-ld.m4 serial 5 (gettext-0.18.2)
+# lib-ld.m4 serial 6
 dnl Copyright (C) 1996-2003, 2009-2012 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
 
 dnl Subroutines of libtool.m4,
-dnl with replacements s/AC_/AC_LIB/ and s/lt_cv/acl_cv/ to avoid collision
-dnl with libtool.m4.
+dnl with replacements s/_*LT_PATH/AC_LIB_PROG/ and s/lt_/acl_/ to avoid
+dnl collision with libtool.m4.
 
-dnl From libtool-1.4. Sets the variable with_gnu_ld to yes or no.
+dnl From libtool-2.4. Sets the variable with_gnu_ld to yes or no.
 AC_DEFUN([AC_LIB_PROG_LD_GNU],
 [AC_CACHE_CHECK([if the linker ($LD) is GNU ld], [acl_cv_prog_gnu_ld],
-[# I'd rather use --version here, but apparently some GNU ld's only accept -v.
+[# I'd rather use --version here, but apparently some GNU lds only accept -v.
 case `$LD -v 2>&1 </dev/null` in
 *GNU* | *'with BFD'*)
-  acl_cv_prog_gnu_ld=yes ;;
+  acl_cv_prog_gnu_ld=yes
+  ;;
 *)
-  acl_cv_prog_gnu_ld=no ;;
+  acl_cv_prog_gnu_ld=no
+  ;;
 esac])
 with_gnu_ld=$acl_cv_prog_gnu_ld
 ])
 
-dnl From libtool-1.4. Sets the variable LD.
+dnl From libtool-2.4. Sets the variable LD.
 AC_DEFUN([AC_LIB_PROG_LD],
-[AC_ARG_WITH([gnu-ld],
-[  --with-gnu-ld           assume the C compiler uses GNU ld [default=no]],
-test "$withval" = no || with_gnu_ld=yes, with_gnu_ld=no)
-AC_REQUIRE([AC_PROG_CC])dnl
+[AC_REQUIRE([AC_PROG_CC])dnl
 AC_REQUIRE([AC_CANONICAL_HOST])dnl
+
+AC_ARG_WITH([gnu-ld],
+    [AS_HELP_STRING([--with-gnu-ld],
+        [assume the C compiler uses GNU ld [default=no]])],
+    [test "$withval" = no || with_gnu_ld=yes],
+    [with_gnu_ld=no])dnl
+
 # Prepare PATH_SEPARATOR.
 # The user is always right.
 if test "${PATH_SEPARATOR+set}" != set; then
@@ -40,10 +46,11 @@ if test "${PATH_SEPARATOR+set}" != set; then
            || PATH_SEPARATOR=';'
        }
 fi
+
 ac_prog=ld
 if test "$GCC" = yes; then
   # Check if gcc -print-prog-name=ld gives a path.
-  AC_MSG_CHECKING([for ld used by GCC])
+  AC_MSG_CHECKING([for ld used by $CC])
   case $host in
   *-*-mingw*)
     # gcc leaves a trailing carriage return which upsets mingw
@@ -53,11 +60,11 @@ if test "$GCC" = yes; then
   esac
   case $ac_prog in
     # Accept absolute paths.
-    [[\\/]* | [A-Za-z]:[\\/]*)]
-      [re_direlt='/[^/][^/]*/\.\./']
-      # Canonicalize the path of ld
-      ac_prog=`echo $ac_prog| sed 's%\\\\%/%g'`
-      while echo $ac_prog | grep "$re_direlt" > /dev/null 2>&1; do
+    [[\\/]]* | ?:[[\\/]]*)
+      re_direlt='/[[^/]][[^/]]*/\.\./'
+      # Canonicalize the pathname of ld
+      ac_prog=`echo "$ac_prog"| sed 's%\\\\%/%g'`
+      while echo "$ac_prog" | grep "$re_direlt" > /dev/null 2>&1; do
         ac_prog=`echo $ac_prog| sed "s%$re_direlt%/%"`
       done
       test -z "$LD" && LD="$ac_prog"
@@ -78,23 +85,26 @@ else
 fi
 AC_CACHE_VAL([acl_cv_path_LD],
 [if test -z "$LD"; then
-  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR-:}"
+  acl_save_ifs="$IFS"; IFS=$PATH_SEPARATOR
   for ac_dir in $PATH; do
+    IFS="$acl_save_ifs"
     test -z "$ac_dir" && ac_dir=.
     if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then
       acl_cv_path_LD="$ac_dir/$ac_prog"
       # Check to see if the program is GNU ld.  I'd rather use --version,
-      # but apparently some GNU ld's only accept -v.
+      # but apparently some variants of GNU ld only accept -v.
       # Break only if it was the GNU/non-GNU ld that we prefer.
-      case `"$acl_cv_path_LD" -v 2>&1 < /dev/null` in
+      case `"$acl_cv_path_LD" -v 2>&1 </dev/null` in
       *GNU* | *'with BFD'*)
-        test "$with_gnu_ld" != no && break ;;
+        test "$with_gnu_ld" != no && break
+        ;;
       *)
-        test "$with_gnu_ld" != yes && break ;;
+        test "$with_gnu_ld" != yes && break
+        ;;
       esac
     fi
   done
-  IFS="$ac_save_ifs"
+  IFS="$acl_save_ifs"
 else
   acl_cv_path_LD="$LD" # Let the user override the test with a path.
 fi])
diff --git a/m4/stat-time.m4 b/m4/stat-time.m4
index 2dbb1f3c7..9371d7bb9 100644
--- a/m4/stat-time.m4
+++ b/m4/stat-time.m4
@@ -19,7 +19,6 @@ dnl From Paul Eggert.
 
 AC_DEFUN([gl_STAT_TIME],
 [
-  AC_REQUIRE([AC_C_INLINE])
   AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
   AC_CHECK_HEADERS_ONCE([sys/time.h])
 
@@ -70,7 +69,6 @@ AC_DEFUN([gl_STAT_TIME],
 #
 AC_DEFUN([gl_STAT_BIRTHTIME],
 [
-  AC_REQUIRE([AC_C_INLINE])
   AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
   AC_CHECK_HEADERS_ONCE([sys/time.h])
   AC_CHECK_MEMBERS([struct stat.st_birthtimespec.tv_nsec], [],
diff --git a/m4/stdlib_h.m4 b/m4/stdlib_h.m4
index ab43728ac..9c69f2e4d 100644
--- a/m4/stdlib_h.m4
+++ b/m4/stdlib_h.m4
@@ -102,6 +102,7 @@ AC_DEFUN([gl_STDLIB_H_DEFAULTS],
   REPLACE_MALLOC=0;          AC_SUBST([REPLACE_MALLOC])
   REPLACE_MBTOWC=0;          AC_SUBST([REPLACE_MBTOWC])
   REPLACE_MKSTEMP=0;         AC_SUBST([REPLACE_MKSTEMP])
+  REPLACE_PTSNAME=0;         AC_SUBST([REPLACE_PTSNAME])
   REPLACE_PTSNAME_R=0;       AC_SUBST([REPLACE_PTSNAME_R])
   REPLACE_PUTENV=0;          AC_SUBST([REPLACE_PUTENV])
   REPLACE_RANDOM_R=0;        AC_SUBST([REPLACE_RANDOM_R])
diff --git a/m4/xsize.m4 b/m4/xsize.m4
index b3b7feebf..d85a5f10f 100644
--- a/m4/xsize.m4
+++ b/m4/xsize.m4
@@ -1,4 +1,4 @@
-# xsize.m4 serial 4
+# xsize.m4 serial 5
 dnl Copyright (C) 2003-2004, 2008-2012 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -8,6 +8,5 @@ AC_DEFUN([gl_XSIZE],
 [
   dnl Prerequisites of lib/xsize.h.
   AC_REQUIRE([gl_SIZE_MAX])
-  AC_REQUIRE([AC_C_INLINE])
   AC_CHECK_HEADERS([stdint.h])
 ])