updated gnulib

17 files changed, 200 insertions, 106 deletions

diff --git a/build-aux/config.rpath b/build-aux/config.rpath
index ab6fd995f3..b625621fac 100755
--- a/build-aux/config.rpath
+++ b/build-aux/config.rpath
@@ -367,11 +367,7 @@ else
     dgux*)
       hardcode_libdir_flag_spec='-L$libdir'
       ;;
-    freebsd2.2*)
-      hardcode_libdir_flag_spec='-R$libdir'
-      hardcode_direct=yes
-      ;;
-    freebsd2*)
+    freebsd2.[01]*)
       hardcode_direct=yes
       hardcode_minus_L=yes
       ;;
@@ -548,13 +544,11 @@ case "$host_os" in
   dgux*)
     library_names_spec='$libname$shrext'
     ;;
+  freebsd[23].*)
+    library_names_spec='$libname$shrext$versuffix'
+    ;;
   freebsd* | dragonfly*)
-    case "$host_os" in
-      freebsd[123]*)
-        library_names_spec='$libname$shrext$versuffix' ;;
-      *)
-        library_names_spec='$libname$shrext' ;;
-    esac
+    library_names_spec='$libname$shrext'
     ;;
   gnu*)
     library_names_spec='$libname$shrext'
diff --git a/build-aux/gendocs.sh b/build-aux/gendocs.sh
index f9ec9df76b..b2e7b09730 100755
--- a/build-aux/gendocs.sh
+++ b/build-aux/gendocs.sh
@@ -2,7 +2,7 @@
 # gendocs.sh -- generate a GNU manual in many formats.  This script is
 #   mentioned in maintain.texi.  See the help message below for usage details.
 
-scriptversion=2013-10-10.09
+scriptversion=2014-05-01.10
 
 # Copyright 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013
 # Free Software Foundation, Inc.
@@ -78,6 +78,9 @@ Options:
   --html ARG   pass ARG to makeinfo or texi2html for HTML targets.
   --info ARG   pass ARG to makeinfo for Info, instead of --no-split.
   --no-ascii   skip generating the plain text output.
+  --no-html    skip generating the html output.
+  --no-info    skip generating the info output.
+  --no-tex     skip generating the dvi and pdf output.
   --source ARG include ARG in tar archive of sources.
   --split HOW  make split HTML by node, section, chapter; default node.
 
@@ -139,10 +142,13 @@ PACKAGE=
 EMAIL=webmasters@gnu.org  # please override with --email
 commonarg= # passed to all makeinfo/texi2html invcations.
 dirargs=   # passed to all tools (-I dir).
-dirs=      # -I's directories.
+dirs=      # -I directories.
 htmlarg=
 infoarg=--no-split
 generate_ascii=true
+generate_html=true
+generate_info=true
+generate_tex=true
 outdir=manual
 source_extra=
 split=node
@@ -159,6 +165,9 @@ while test $# -gt 0; do
     --html)      shift; htmlarg=$1;;
     --info)      shift; infoarg=$1;;
     --no-ascii)  generate_ascii=false;;
+    --no-html)   generate_ascii=false;;
+    --no-info)   generate_info=false;;
+    --no-tex)    generate_tex=false;;
     --source)    shift; source_extra=$1;;
     --split)     shift; split=$1;;
     --texi2html) use_texi2html=1;;
@@ -221,8 +230,9 @@ calcsize()
 
 # copy_images OUTDIR HTML-FILE...
 # -------------------------------
-# Copy all the images needed by the HTML-FILEs into OUTDIR.  Look
-# for them in the -I directories.
+# Copy all the images needed by the HTML-FILEs into OUTDIR.
+# Look for them in . and the -I directories; this is simpler than what
+# makeinfo supports with -I, but hopefully it will suffice.
 copy_images()
 {
   local odir
@@ -232,7 +242,7 @@ copy_images()
 BEGIN {
   \$me = '$prog';
   \$odir = '$odir';
-  @dirs = qw($dirs);
+  @dirs = qw(. $dirs);
 }
 " -e '
 /<img src="(.*?)"/g && ++$need{$1};
@@ -270,32 +280,39 @@ echo "Making output for $srcfile"
 echo " in `pwd`"
 mkdir -p "$outdir/"
 
-cmd="$SETLANG $MAKEINFO -o $PACKAGE.info $commonarg $infoarg \"$srcfile\""
-echo "Generating info... ($cmd)"
-rm -f $PACKAGE.info* # get rid of any strays
-eval "$cmd"
-tar czf "$outdir/$PACKAGE.info.tar.gz" $PACKAGE.info*
-ls -l "$outdir/$PACKAGE.info.tar.gz"
-info_tgz_size=`calcsize "$outdir/$PACKAGE.info.tar.gz"`
-# do not mv the info files, there's no point in having them available
-# separately on the web.
-
-cmd="$SETLANG $TEXI2DVI $dirargs \"$srcfile\""
-printf "\nGenerating dvi... ($cmd)\n"
-eval "$cmd"
-# compress/finish dvi:
-gzip -f -9 $PACKAGE.dvi
-dvi_gz_size=`calcsize $PACKAGE.dvi.gz`
-mv $PACKAGE.dvi.gz "$outdir/"
-ls -l "$outdir/$PACKAGE.dvi.gz"
-
-cmd="$SETLANG $TEXI2DVI --pdf $dirargs \"$srcfile\""
-printf "\nGenerating pdf... ($cmd)\n"
-eval "$cmd"
-pdf_size=`calcsize $PACKAGE.pdf`
-mv $PACKAGE.pdf "$outdir/"
-ls -l "$outdir/$PACKAGE.pdf"
+# 
+if $generate_info; then
+  cmd="$SETLANG $MAKEINFO -o $PACKAGE.info $commonarg $infoarg \"$srcfile\""
+  echo "Generating info... ($cmd)"
+  rm -f $PACKAGE.info* # get rid of any strays
+  eval "$cmd"
+  tar czf "$outdir/$PACKAGE.info.tar.gz" $PACKAGE.info*
+  ls -l "$outdir/$PACKAGE.info.tar.gz"
+  info_tgz_size=`calcsize "$outdir/$PACKAGE.info.tar.gz"`
+  # do not mv the info files, there's no point in having them available
+  # separately on the web.
+fi  # end info
+
+# 
+if $generate_tex; then
+  cmd="$SETLANG $TEXI2DVI $dirargs \"$srcfile\""
+  printf "\nGenerating dvi... ($cmd)\n"
+  eval "$cmd"
+  # compress/finish dvi:
+  gzip -f -9 $PACKAGE.dvi
+  dvi_gz_size=`calcsize $PACKAGE.dvi.gz`
+  mv $PACKAGE.dvi.gz "$outdir/"
+  ls -l "$outdir/$PACKAGE.dvi.gz"
+
+  cmd="$SETLANG $TEXI2DVI --pdf $dirargs \"$srcfile\""
+  printf "\nGenerating pdf... ($cmd)\n"
+  eval "$cmd"
+  pdf_size=`calcsize $PACKAGE.pdf`
+  mv $PACKAGE.pdf "$outdir/"
+  ls -l "$outdir/$PACKAGE.pdf"
+fi # end tex (dvi + pdf)
 
+# 
 if $generate_ascii; then
   opt="-o $PACKAGE.txt --no-split --no-headers $commonarg"
   cmd="$SETLANG $MAKEINFO $opt \"$srcfile\""
@@ -308,6 +325,9 @@ if $generate_ascii; then
   ls -l "$outdir/$PACKAGE.txt" "$outdir/$PACKAGE.txt.gz"
 fi
 
+# 
+
+if $generate_html; then
 # Split HTML at level $1.  Used for texi2html.
 html_split()
 {
@@ -382,7 +402,9 @@ else # use texi2html:
   html_split chapter
   html_split section
 fi
+fi # end html
 
+# 
 printf "\nMaking .tar.gz for sources...\n"
 d=`dirname $srcfile`
 (
@@ -393,6 +415,8 @@ d=`dirname $srcfile`
 )
 texi_tgz_size=`calcsize "$outdir/$PACKAGE.texi.tar.gz"`
 
+# 
+# Do everything again through docbook.
 if test -n "$docbook"; then
   opt="-o - --docbook $commonarg"
   cmd="$SETLANG $MAKEINFO $opt \"$srcfile\" >${srcdir}/$PACKAGE-db.xml"
@@ -431,7 +455,8 @@ if test -n "$docbook"; then
   mv $PACKAGE-db.pdf "$outdir/"
 fi
 
-printf "\nMaking index file...\n"
+# 
+printf "\nMaking index.html for $PACKAGE...\n"
 if test -z "$use_texi2html"; then
   CONDS="/%%IF  *HTML_SECTION%%/,/%%ENDIF  *HTML_SECTION%%/d;\
          /%%IF  *HTML_CHAPTER%%/,/%%ENDIF  *HTML_CHAPTER%%/d"
diff --git a/doc/gendocs_template b/doc/gendocs_template
index ba271ba2ba..2aba71a0b7 100644
--- a/doc/gendocs_template
+++ b/doc/gendocs_template
@@ -1,5 +1,6 @@
 <!--#include virtual="/server/header.html" -->
-<title>%%TITLE%% - GNU Project - Free Software Foundation (FSF)</title>
+<!-- Parent-Version: 1.77 -->
+<title>%%TITLE%% - GNU Project - Free Software Foundation</title>
 <!--#include virtual="/server/banner.html" -->
 <h2>%%TITLE%%</h2>
 
@@ -74,19 +75,22 @@ script</a>.)</p>
 </div><!-- for id="content", starts in the include above -->
 <!--#include virtual="/server/footer.html" -->
 <div id="footer">
+<div class="unprintable">
 
 <p>Please send general FSF &amp; GNU inquiries to
 <a href="mailto:gnu@gnu.org">&lt;gnu@gnu.org&gt;</a>.
 There are also <a href="/contact/">other ways to contact</a>
-the FSF.<br />
-Please send broken links and other corrections or suggestions to
-<a href="mailto:%%EMAIL%%">&lt;%%EMAIL%%&gt;</a>.</p>
+the FSF.  Broken links and other corrections or suggestions can be sent
+to <a href="mailto:%%EMAIL%%">&lt;%%EMAIL%%&gt;</a>.</p>
+</div>
 
 <p>Copyright &copy; 2014 Free Software Foundation, Inc.</p>
 
-<p>Verbatim copying and distribution of this entire article are
-permitted worldwide, without royalty, in any medium, provided this
-notice, and the copyright notice, are preserved.</p>
+<p>This page is licensed under a <a rel="license"
+href="http://creativecommons.org/licenses/by-nd/3.0/us/">Creative
+Commons Attribution-NoDerivs 3.0 United States License</a>.</p>
+
+<!--#include virtual="/server/bottom-notes.html" -->
 
 </div>
 </div>
diff --git a/gl/m4/gnulib-common.m4 b/gl/m4/gnulib-common.m4
index 20ce40e744..35f6195204 100644
--- a/gl/m4/gnulib-common.m4
+++ b/gl/m4/gnulib-common.m4
@@ -1,4 +1,4 @@
-# gnulib-common.m4 serial 34
+# gnulib-common.m4 serial 35
 dnl Copyright (C) 2007-2014 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -49,6 +49,16 @@ AC_DEFUN([gl_COMMON_BODY], [
    is a misnomer outside of parameter lists.  */
 #define _UNUSED_PARAMETER_ _GL_UNUSED
 
+/* gcc supports the "unused" attribute on possibly unused labels, and
+   g++ has since version 4.5.  Note to support C++ as well as C,
+   _GL_UNUSED_LABEL should be used with a trailing ;  */
+#if !defined __cplusplus || __GNUC__ > 4 \
+    || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5)
+# define _GL_UNUSED_LABEL _GL_UNUSED
+#else
+# define _GL_UNUSED_LABEL
+#endif
+
 /* The __pure__ attribute was added in gcc 2.96.  */
 #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 96)
 # define _GL_ATTRIBUTE_PURE __attribute__ ((__pure__))
diff --git a/gl/m4/intl.m4 b/gl/m4/intl.m4
index 1d782d1606..0c394ecad1 100644
--- a/gl/m4/intl.m4
+++ b/gl/m4/intl.m4
@@ -1,4 +1,4 @@
-# intl.m4 serial 24 (gettext-0.18.3)
+# intl.m4 serial 27 (gettext-0.18.3)
 dnl Copyright (C) 1995-2014 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
diff --git a/gl/m4/po.m4 b/gl/m4/po.m4
index bd210c5369..c737878461 100644
--- a/gl/m4/po.m4
+++ b/gl/m4/po.m4
@@ -1,4 +1,4 @@
-# po.m4 serial 21 (gettext-0.18.3)
+# po.m4 serial 23 (gettext-0.18.3)
 dnl Copyright (C) 1995-2014 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
diff --git a/gl/m4/printf.m4 b/gl/m4/printf.m4
index 9346ab041d..3d7b381efd 100644
--- a/gl/m4/printf.m4
+++ b/gl/m4/printf.m4
@@ -1,4 +1,4 @@
-# printf.m4 serial 50
+# printf.m4 serial 51
 dnl Copyright (C) 2003, 2007-2014 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -61,7 +61,7 @@ changequote(,)dnl
                                  # Guess yes on glibc systems.
            *-gnu*)               gl_cv_func_printf_sizes_c99="guessing yes";;
                                  # Guess yes on FreeBSD >= 5.
-           freebsd[1-4]*)        gl_cv_func_printf_sizes_c99="guessing no";;
+           freebsd[1-4].*)       gl_cv_func_printf_sizes_c99="guessing no";;
            freebsd* | kfreebsd*) gl_cv_func_printf_sizes_c99="guessing yes";;
                                  # Guess yes on Mac OS X >= 10.3.
            darwin[1-6].*)        gl_cv_func_printf_sizes_c99="guessing no";;
@@ -220,7 +220,7 @@ changequote(,)dnl
                                  # Guess yes on glibc systems.
            *-gnu*)               gl_cv_func_printf_infinite="guessing yes";;
                                  # Guess yes on FreeBSD >= 6.
-           freebsd[1-5]*)        gl_cv_func_printf_infinite="guessing no";;
+           freebsd[1-5].*)       gl_cv_func_printf_infinite="guessing no";;
            freebsd* | kfreebsd*) gl_cv_func_printf_infinite="guessing yes";;
                                  # Guess yes on Mac OS X >= 10.3.
            darwin[1-6].*)        gl_cv_func_printf_infinite="guessing no";;
@@ -442,7 +442,7 @@ changequote(,)dnl
                                          # Guess yes on glibc systems.
                    *-gnu*)               gl_cv_func_printf_infinite_long_double="guessing yes";;
                                          # Guess yes on FreeBSD >= 6.
-                   freebsd[1-5]*)        gl_cv_func_printf_infinite_long_double="guessing no";;
+                   freebsd[1-5].*)       gl_cv_func_printf_infinite_long_double="guessing no";;
                    freebsd* | kfreebsd*) gl_cv_func_printf_infinite_long_double="guessing yes";;
                                          # Guess yes on HP-UX >= 11.
                    hpux[7-9]* | hpux10*) gl_cv_func_printf_infinite_long_double="guessing no";;
@@ -588,7 +588,7 @@ changequote(,)dnl
                                  # Guess yes on glibc systems.
            *-gnu*)               gl_cv_func_printf_directive_f="guessing yes";;
                                  # Guess yes on FreeBSD >= 6.
-           freebsd[1-5]*)        gl_cv_func_printf_directive_f="guessing no";;
+           freebsd[1-5].*)       gl_cv_func_printf_directive_f="guessing no";;
            freebsd* | kfreebsd*) gl_cv_func_printf_directive_f="guessing yes";;
                                  # Guess yes on Mac OS X >= 10.3.
            darwin[1-6].*)        gl_cv_func_printf_directive_f="guessing no";;
@@ -1136,7 +1136,7 @@ changequote(,)dnl
                                  # Guess yes on glibc systems.
            *-gnu*)               gl_cv_func_snprintf_truncation_c99="guessing yes";;
                                  # Guess yes on FreeBSD >= 5.
-           freebsd[1-4]*)        gl_cv_func_snprintf_truncation_c99="guessing no";;
+           freebsd[1-4].*)       gl_cv_func_snprintf_truncation_c99="guessing no";;
            freebsd* | kfreebsd*) gl_cv_func_snprintf_truncation_c99="guessing yes";;
                                  # Guess yes on Mac OS X >= 10.3.
            darwin[1-6].*)        gl_cv_func_snprintf_truncation_c99="guessing no";;
@@ -1235,7 +1235,7 @@ changequote(,)dnl
                                  # Guess yes on glibc systems.
            *-gnu*)               gl_cv_func_snprintf_retval_c99="guessing yes";;
                                  # Guess yes on FreeBSD >= 5.
-           freebsd[1-4]*)        gl_cv_func_snprintf_retval_c99="guessing no";;
+           freebsd[1-4].*)       gl_cv_func_snprintf_retval_c99="guessing no";;
            freebsd* | kfreebsd*) gl_cv_func_snprintf_retval_c99="guessing yes";;
                                  # Guess yes on Mac OS X >= 10.3.
            darwin[1-6].*)        gl_cv_func_snprintf_retval_c99="guessing no";;
@@ -1316,7 +1316,7 @@ changequote(,)dnl
                                  # Guess yes on glibc systems.
            *-gnu*)               gl_cv_func_snprintf_directive_n="guessing yes";;
                                  # Guess yes on FreeBSD >= 5.
-           freebsd[1-4]*)        gl_cv_func_snprintf_directive_n="guessing no";;
+           freebsd[1-4].*)       gl_cv_func_snprintf_directive_n="guessing no";;
            freebsd* | kfreebsd*) gl_cv_func_snprintf_directive_n="guessing yes";;
                                  # Guess yes on Mac OS X >= 10.3.
            darwin[1-6].*)        gl_cv_func_snprintf_directive_n="guessing no";;
@@ -1458,7 +1458,7 @@ changequote(,)dnl
                                  # Guess yes on glibc systems.
            *-gnu*)               gl_cv_func_vsnprintf_zerosize_c99="guessing yes";;
                                  # Guess yes on FreeBSD >= 5.
-           freebsd[1-4]*)        gl_cv_func_vsnprintf_zerosize_c99="guessing no";;
+           freebsd[1-4].*)       gl_cv_func_vsnprintf_zerosize_c99="guessing no";;
            freebsd* | kfreebsd*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";;
                                  # Guess yes on Mac OS X >= 10.3.
            darwin[1-6].*)        gl_cv_func_vsnprintf_zerosize_c99="guessing no";;
diff --git a/gl/m4/valgrind-tests.m4 b/gl/m4/valgrind-tests.m4
index 367816b6eb..502b8df59f 100644
--- a/gl/m4/valgrind-tests.m4
+++ b/gl/m4/valgrind-tests.m4
@@ -12,8 +12,8 @@ dnl From Simon Josefsson
 AC_DEFUN([gl_VALGRIND_TESTS],
 [
   AC_ARG_ENABLE(valgrind-tests,
-    AS_HELP_STRING([--enable-valgrind-tests],
-                   [run self tests under valgrind]),
+    AS_HELP_STRING([--disable-valgrind-tests],
+                   [don't try to run self tests under valgrind]),
     [opt_valgrind_tests=$enableval], [opt_valgrind_tests=yes])
 
   # Run self-tests under valgrind?
diff --git a/gl/tests/fcntl.in.h b/gl/tests/fcntl.in.h
index 99f75e60fd..e23b4b2bcd 100644
--- a/gl/tests/fcntl.in.h
+++ b/gl/tests/fcntl.in.h
@@ -186,6 +186,22 @@ _GL_WARN_ON_USE (openat, "openat is not portable - "
 
 /* Fix up the O_* macros.  */
 
+/* AIX 7.1 with XL C 12.1 defines O_CLOEXEC, O_NOFOLLOW, and O_TTY_INIT
+   to values outside 'int' range, so omit these misdefinitions.
+   But avoid namespace pollution on non-AIX systems.  */
+#ifdef _AIX
+# include <limits.h>
+# if defined O_CLOEXEC && ! (INT_MIN <= O_CLOEXEC && O_CLOEXEC <= INT_MAX)
+#  undef O_CLOEXEC
+# endif
+# if defined O_NOFOLLOW && ! (INT_MIN <= O_NOFOLLOW && O_NOFOLLOW <= INT_MAX)
+#  undef O_NOFOLLOW
+# endif
+# if defined O_TTY_INIT && ! (INT_MIN <= O_TTY_INIT && O_TTY_INIT <= INT_MAX)
+#  undef O_TTY_INIT
+# endif
+#endif
+
 #if !defined O_DIRECT && defined O_DIRECTIO
 /* Tru64 spells it 'O_DIRECTIO'.  */
 # define O_DIRECT O_DIRECTIO
diff --git a/maint.mk b/maint.mk
index 30f2e8e694..e5a3782921 100644
--- a/maint.mk
+++ b/maint.mk
@@ -21,13 +21,6 @@
 # ME := $(word $(words $(MAKEFILE_LIST)),$(MAKEFILE_LIST))
 ME := maint.mk
 
-# Diagnostic for continued use of deprecated variable.
-# Remove in 2013
-ifneq ($(build_aux),)
- $(error "$(ME): \
-set $$(_build-aux) relative to $$(srcdir) instead of $$(build_aux)")
-endif
-
 # Helper variables.
 _empty =
 _sp = $(_empty) $(_empty)
@@ -155,6 +148,7 @@ export LC_ALL = C
 ## Sanity checks.  ##
 ## --------------- ##
 
+ifneq ($(_gl-Makefile),)
 _cfg_mk := $(wildcard $(srcdir)/cfg.mk)
 
 # Collect the names of rules starting with 'sc_'.
@@ -196,6 +190,7 @@ local-check :=								\
     $(filter-out $(local-checks-to-skip), $(local-checks-available)))
 
 syntax-check: $(local-check)
+endif
 
 # _sc_search_regexp
 #
@@ -445,7 +440,7 @@ sc_require_config_h:
 # You must include <config.h> before including any other header file.
 # This can possibly be via a package-specific header, if given by cfg.mk.
 sc_require_config_h_first:
-	@if $(VC_LIST_EXCEPT) | grep -l '\.c$$' > /dev/null; then	\
+	@if $(VC_LIST_EXCEPT) | grep '\.c$$' > /dev/null; then		\
 	  fail=0;							\
 	  for i in $$($(VC_LIST_EXCEPT) | grep '\.c$$'); do		\
 	    grep '^# *include\>' $$i | $(SED) 1q			\
@@ -469,7 +464,7 @@ sc_prohibit_HAVE_MBRTOWC:
 define _sc_header_without_use
   dummy=; : so we do not need a semicolon before each use;		\
   h_esc=`echo '[<"]'"$$h"'[">]'|$(SED) 's/\./\\\\./g'`;			\
-  if $(VC_LIST_EXCEPT) | grep -l '\.c$$' > /dev/null; then		\
+  if $(VC_LIST_EXCEPT) | grep '\.c$$' > /dev/null; then			\
     files=$$(grep -l '^# *include '"$$h_esc"				\
 	     $$($(VC_LIST_EXCEPT) | grep '\.c$$')) &&			\
     grep -LE "$$re" $$files | grep . &&					\
@@ -716,7 +711,7 @@ sc_changelog:
 # Ensure that each .c file containing a "main" function also
 # calls set_program_name.
 sc_program_name:
-	@require='set_program_name *\(m?argv\[0\]\);'			\
+	@require='set_program_name *\(.*\);'				\
 	in_vc_files='\.c$$'						\
 	containing='\<main *('						\
 	halt='the above files do not call set_program_name'		\
@@ -1192,7 +1187,7 @@ sc_copyright_check:
 	in_vc_files=$(sample-test)					\
 	halt='out of date copyright in $(sample-test); update it'	\
 	  $(_sc_search_regexp)
-	@require='Copyright @copyright\{\} .*'$$(date +%Y)' Free'	\
+	@require='Copyright @copyright\{\} .*'$$(date +%Y)		\
 	in_vc_files=$(texi)						\
 	halt='out of date copyright in $(texi); update it'		\
 	  $(_sc_search_regexp)
diff --git a/src/gl/error.c b/src/gl/error.c
index 31109df3b5..7b99cd7310 100644
--- a/src/gl/error.c
+++ b/src/gl/error.c
@@ -39,6 +39,9 @@
 # include <stdint.h>
 # include <wchar.h>
 # define mbsrtowcs __mbsrtowcs
+# define USE_UNLOCKED_IO 0
+# define _GL_ATTRIBUTE_FORMAT_PRINTF(a, b)
+# define _GL_ARG_NONNULL(a)
 #endif
 
 #if USE_UNLOCKED_IO
@@ -77,9 +80,9 @@ extern void __error_at_line (int status, int errnum, const char *file_name,
 # define error_at_line __error_at_line
 
 # include <libio/iolibio.h>
-# define fflush(s) INTUSE(_IO_fflush) (s)
+# define fflush(s) _IO_fflush (s)
 # undef putc
-# define putc(c, fp) INTUSE(_IO_putc) (c, fp)
+# define putc(c, fp) _IO_putc (c, fp)
 
 # include <bits/libc-lock.h>
 
@@ -171,7 +174,7 @@ print_errno_message (int errnum)
 
 #if defined HAVE_STRERROR_R || _LIBC
   char errbuf[1024];
-# if STRERROR_R_CHAR_P || _LIBC
+# if _LIBC || STRERROR_R_CHAR_P
   s = __strerror_r (errnum, errbuf, sizeof errbuf);
 # else
   if (__strerror_r (errnum, errbuf, sizeof errbuf) == 0)
@@ -201,7 +204,6 @@ error_tail (int status, int errnum, const char *message, va_list args)
 #if _LIBC
   if (_IO_fwide (stderr, 0) > 0)
     {
-# define ALLOCA_LIMIT 2000
       size_t len = strlen (message) + 1;
       wchar_t *wmessage = NULL;
       mbstate_t st;
@@ -237,7 +239,7 @@ error_tail (int status, int errnum, const char *message, va_list args)
           if (res != len)
             break;
 
-          if (__builtin_expect (len >= SIZE_MAX / 2, 0))
+          if (__builtin_expect (len >= SIZE_MAX / sizeof (wchar_t) / 2, 0))
             {
               /* This really should not happen if everything is fine.  */
               res = (size_t) -1;
@@ -342,7 +344,10 @@ error_at_line (int status, int errnum, const char *file_name,
 
       if (old_line_number == line_number
           && (file_name == old_file_name
-              || strcmp (old_file_name, file_name) == 0))
+              || (old_file_name != NULL
+                  && file_name != NULL
+                  && strcmp (old_file_name, file_name) == 0)))
+
         /* Simply return and print nothing.  */
         return;
 
diff --git a/src/gl/m4/dup2.m4 b/src/gl/m4/dup2.m4
index 89638a0bfe..6498fc2024 100644
--- a/src/gl/m4/dup2.m4
+++ b/src/gl/m4/dup2.m4
@@ -8,6 +8,7 @@ AC_DEFUN([gl_FUNC_DUP2],
 [
   AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
   AC_REQUIRE([AC_CANONICAL_HOST])
+  AC_CHECK_FUNCS_ONCE([getdtablesize])
   m4_ifdef([gl_FUNC_DUP2_OBSOLETE], [
     AC_CHECK_FUNCS_ONCE([dup2])
     if test $ac_cv_func_dup2 = no; then
@@ -23,6 +24,11 @@ AC_DEFUN([gl_FUNC_DUP2],
 #include <fcntl.h>
 #include <errno.h>]],
            [int result = 0;
+#ifdef HAVE_GETDTABLESIZE
+            int bad_fd = getdtablesize ();
+#else
+            int bad_fd = 1000000;
+#endif
 #ifdef FD_CLOEXEC
             if (fcntl (1, F_SETFD, FD_CLOEXEC) == -1)
               result |= 1;
@@ -37,7 +43,7 @@ AC_DEFUN([gl_FUNC_DUP2],
             if (dup2 (0, 0) != -1)
               result |= 8;
             /* Many gnulib modules require POSIX conformance of EBADF.  */
-            if (dup2 (2, 1000000) == -1 && errno != EBADF)
+            if (dup2 (2, bad_fd) == -1 && errno != EBADF)
               result |= 16;
             /* Flush out some cygwin core dumps.  */
             if (dup2 (2, -1) != -1 || errno != EBADF)
@@ -56,7 +62,9 @@ AC_DEFUN([gl_FUNC_DUP2],
            linux*) # On linux between 2008-07-27 and 2009-05-11, dup2 of a
                    # closed fd may yield -EBADF instead of -1 / errno=EBADF.
              gl_cv_func_dup2_works="guessing no" ;;
-           freebsd*) # on FreeBSD 6.1, dup2(1,1000000) gives EMFILE, not EBADF.
+           aix* | freebsd*)
+                   # on AIX 7.1 and FreeBSD 6.1, dup2 (1,toobig) gives EMFILE,
+                   # not EBADF.
              gl_cv_func_dup2_works="guessing no" ;;
            haiku*) # on Haiku alpha 2, dup2(1, 1) resets FD_CLOEXEC.
              gl_cv_func_dup2_works="guessing no" ;;
diff --git a/src/gl/m4/gnulib-common.m4 b/src/gl/m4/gnulib-common.m4
index 20ce40e744..35f6195204 100644
--- a/src/gl/m4/gnulib-common.m4
+++ b/src/gl/m4/gnulib-common.m4
@@ -1,4 +1,4 @@
-# gnulib-common.m4 serial 34
+# gnulib-common.m4 serial 35
 dnl Copyright (C) 2007-2014 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -49,6 +49,16 @@ AC_DEFUN([gl_COMMON_BODY], [
    is a misnomer outside of parameter lists.  */
 #define _UNUSED_PARAMETER_ _GL_UNUSED
 
+/* gcc supports the "unused" attribute on possibly unused labels, and
+   g++ has since version 4.5.  Note to support C++ as well as C,
+   _GL_UNUSED_LABEL should be used with a trailing ;  */
+#if !defined __cplusplus || __GNUC__ > 4 \
+    || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5)
+# define _GL_UNUSED_LABEL _GL_UNUSED
+#else
+# define _GL_UNUSED_LABEL
+#endif
+
 /* The __pure__ attribute was added in gcc 2.96.  */
 #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 96)
 # define _GL_ATTRIBUTE_PURE __attribute__ ((__pure__))
diff --git a/src/gl/m4/printf.m4 b/src/gl/m4/printf.m4
index 9346ab041d..3d7b381efd 100644
--- a/src/gl/m4/printf.m4
+++ b/src/gl/m4/printf.m4
@@ -1,4 +1,4 @@
-# printf.m4 serial 50
+# printf.m4 serial 51
 dnl Copyright (C) 2003, 2007-2014 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -61,7 +61,7 @@ changequote(,)dnl
                                  # Guess yes on glibc systems.
            *-gnu*)               gl_cv_func_printf_sizes_c99="guessing yes";;
                                  # Guess yes on FreeBSD >= 5.
-           freebsd[1-4]*)        gl_cv_func_printf_sizes_c99="guessing no";;
+           freebsd[1-4].*)       gl_cv_func_printf_sizes_c99="guessing no";;
            freebsd* | kfreebsd*) gl_cv_func_printf_sizes_c99="guessing yes";;
                                  # Guess yes on Mac OS X >= 10.3.
            darwin[1-6].*)        gl_cv_func_printf_sizes_c99="guessing no";;
@@ -220,7 +220,7 @@ changequote(,)dnl
                                  # Guess yes on glibc systems.
            *-gnu*)               gl_cv_func_printf_infinite="guessing yes";;
                                  # Guess yes on FreeBSD >= 6.
-           freebsd[1-5]*)        gl_cv_func_printf_infinite="guessing no";;
+           freebsd[1-5].*)       gl_cv_func_printf_infinite="guessing no";;
            freebsd* | kfreebsd*) gl_cv_func_printf_infinite="guessing yes";;
                                  # Guess yes on Mac OS X >= 10.3.
            darwin[1-6].*)        gl_cv_func_printf_infinite="guessing no";;
@@ -442,7 +442,7 @@ changequote(,)dnl
                                          # Guess yes on glibc systems.
                    *-gnu*)               gl_cv_func_printf_infinite_long_double="guessing yes";;
                                          # Guess yes on FreeBSD >= 6.
-                   freebsd[1-5]*)        gl_cv_func_printf_infinite_long_double="guessing no";;
+                   freebsd[1-5].*)       gl_cv_func_printf_infinite_long_double="guessing no";;
                    freebsd* | kfreebsd*) gl_cv_func_printf_infinite_long_double="guessing yes";;
                                          # Guess yes on HP-UX >= 11.
                    hpux[7-9]* | hpux10*) gl_cv_func_printf_infinite_long_double="guessing no";;
@@ -588,7 +588,7 @@ changequote(,)dnl
                                  # Guess yes on glibc systems.
            *-gnu*)               gl_cv_func_printf_directive_f="guessing yes";;
                                  # Guess yes on FreeBSD >= 6.
-           freebsd[1-5]*)        gl_cv_func_printf_directive_f="guessing no";;
+           freebsd[1-5].*)       gl_cv_func_printf_directive_f="guessing no";;
            freebsd* | kfreebsd*) gl_cv_func_printf_directive_f="guessing yes";;
                                  # Guess yes on Mac OS X >= 10.3.
            darwin[1-6].*)        gl_cv_func_printf_directive_f="guessing no";;
@@ -1136,7 +1136,7 @@ changequote(,)dnl
                                  # Guess yes on glibc systems.
            *-gnu*)               gl_cv_func_snprintf_truncation_c99="guessing yes";;
                                  # Guess yes on FreeBSD >= 5.
-           freebsd[1-4]*)        gl_cv_func_snprintf_truncation_c99="guessing no";;
+           freebsd[1-4].*)       gl_cv_func_snprintf_truncation_c99="guessing no";;
            freebsd* | kfreebsd*) gl_cv_func_snprintf_truncation_c99="guessing yes";;
                                  # Guess yes on Mac OS X >= 10.3.
            darwin[1-6].*)        gl_cv_func_snprintf_truncation_c99="guessing no";;
@@ -1235,7 +1235,7 @@ changequote(,)dnl
                                  # Guess yes on glibc systems.
            *-gnu*)               gl_cv_func_snprintf_retval_c99="guessing yes";;
                                  # Guess yes on FreeBSD >= 5.
-           freebsd[1-4]*)        gl_cv_func_snprintf_retval_c99="guessing no";;
+           freebsd[1-4].*)       gl_cv_func_snprintf_retval_c99="guessing no";;
            freebsd* | kfreebsd*) gl_cv_func_snprintf_retval_c99="guessing yes";;
                                  # Guess yes on Mac OS X >= 10.3.
            darwin[1-6].*)        gl_cv_func_snprintf_retval_c99="guessing no";;
@@ -1316,7 +1316,7 @@ changequote(,)dnl
                                  # Guess yes on glibc systems.
            *-gnu*)               gl_cv_func_snprintf_directive_n="guessing yes";;
                                  # Guess yes on FreeBSD >= 5.
-           freebsd[1-4]*)        gl_cv_func_snprintf_directive_n="guessing no";;
+           freebsd[1-4].*)       gl_cv_func_snprintf_directive_n="guessing no";;
            freebsd* | kfreebsd*) gl_cv_func_snprintf_directive_n="guessing yes";;
                                  # Guess yes on Mac OS X >= 10.3.
            darwin[1-6].*)        gl_cv_func_snprintf_directive_n="guessing no";;
@@ -1458,7 +1458,7 @@ changequote(,)dnl
                                  # Guess yes on glibc systems.
            *-gnu*)               gl_cv_func_vsnprintf_zerosize_c99="guessing yes";;
                                  # Guess yes on FreeBSD >= 5.
-           freebsd[1-4]*)        gl_cv_func_vsnprintf_zerosize_c99="guessing no";;
+           freebsd[1-4].*)       gl_cv_func_vsnprintf_zerosize_c99="guessing no";;
            freebsd* | kfreebsd*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";;
                                  # Guess yes on Mac OS X >= 10.3.
            darwin[1-6].*)        gl_cv_func_vsnprintf_zerosize_c99="guessing no";;
diff --git a/src/gl/mktime.c b/src/gl/mktime.c
index 2943823776..48b3a40f9c 100644
--- a/src/gl/mktime.c
+++ b/src/gl/mktime.c
@@ -38,7 +38,7 @@
 
 #include <string.h>		/* For the real memcpy prototype.  */
 
-#if DEBUG
+#if defined DEBUG && DEBUG
 # include <stdio.h>
 # include <stdlib.h>
 /* Make it work even if the system's libc has its own mktime routine.  */
@@ -600,7 +600,7 @@ libc_hidden_def (mktime)
 libc_hidden_weak (timelocal)
 #endif
 
-#if DEBUG
+#if defined DEBUG && DEBUG
 
 static int
 not_equal_tm (const struct tm *a, const struct tm *b)
diff --git a/src/gl/select.c b/src/gl/select.c
index b513025af5..81af82cdcc 100644
--- a/src/gl/select.c
+++ b/src/gl/select.c
@@ -82,9 +82,11 @@ typedef DWORD (WINAPI *PNtQueryInformationFile)
 #define PIPE_BUF        512
 #endif
 
-/* Optimized test whether a HANDLE refers to a console.
-   See <http://lists.gnu.org/archive/html/bug-gnulib/2009-08/msg00065.html>.  */
-#define IsConsoleHandle(h) (((intptr_t) (h) & 3) == 3)
+static BOOL IsConsoleHandle (HANDLE h)
+{
+  DWORD mode;
+  return GetConsoleMode (h, &mode) != 0;
+}
 
 static BOOL
 IsSocketHandle (HANDLE h)
@@ -252,6 +254,7 @@ rpl_select (int nfds, fd_set *rfds, fd_set *wfds, fd_set *xfds,
   DWORD ret, wait_timeout, nhandles, nsock, nbuffer;
   MSG msg;
   int i, fd, rc;
+  clock_t tend;
 
   if (nfds > FD_SETSIZE)
     nfds = FD_SETSIZE;
@@ -388,6 +391,10 @@ rpl_select (int nfds, fd_set *rfds, fd_set *wfds, fd_set *xfds,
   /* Place a sentinel at the end of the array.  */
   handle_array[nhandles] = NULL;
 
+  /* When will the waiting period expire?  */
+  if (wait_timeout != INFINITE)
+    tend = clock () + wait_timeout;
+
 restart:
   if (wait_timeout == 0 || nsock == 0)
     rc = 0;
@@ -408,6 +415,16 @@ restart:
         wait_timeout = 0;
     }
 
+  /* How much is left to wait?  */
+  if (wait_timeout != INFINITE)
+    {
+      clock_t tnow = clock ();
+      if (tend >= tnow)
+        wait_timeout = tend - tnow;
+      else
+        wait_timeout = 0;
+    }
+
   for (;;)
     {
       ret = MsgWaitForMultipleObjects (nhandles, handle_array, FALSE,
@@ -453,7 +470,16 @@ restart:
             }
         }
 
-      if (rc == 0 && wait_timeout == INFINITE)
+      if (rc == 0
+          && (wait_timeout == INFINITE
+              /* If NHANDLES > 1, but no bits are set, it means we've
+                 been told incorrectly that some handle was signaled.
+                 This happens with anonymous pipes, which always cause
+                 MsgWaitForMultipleObjects to exit immediately, but no
+                 data is found ready to be read by windows_poll_handle.
+                 To avoid a total failure (whereby we return zero and
+                 don't wait at all), let's poll in a more busy loop.  */
+              || (wait_timeout != 0 && nhandles > 1)))
         {
           /* Sleep 1 millisecond to avoid busy wait and retry with the
              original fd_sets.  */
@@ -463,6 +489,8 @@ restart:
           SleepEx (1, TRUE);
           goto restart;
         }
+      if (timeout && wait_timeout == 0 && rc == 0)
+        timeout->tv_sec = timeout->tv_usec = 0;
     }
 
   /* Now fill in the results.  */
diff --git a/src/gl/xalloc.h b/src/gl/xalloc.h
index 5f891457ba..3f6b5b80f8 100644
--- a/src/gl/xalloc.h
+++ b/src/gl/xalloc.h
@@ -64,7 +64,7 @@ void *xrealloc (void *p, size_t s)
       _GL_ATTRIBUTE_ALLOC_SIZE ((2));
 void *x2realloc (void *p, size_t *pn);
 void *xmemdup (void const *p, size_t s)
-      _GL_ATTRIBUTE_MALLOC _GL_ATTRIBUTE_ALLOC_SIZE ((2));
+      _GL_ATTRIBUTE_ALLOC_SIZE ((2));
 char *xstrdup (char const *str)
       _GL_ATTRIBUTE_MALLOC;
 
@@ -122,10 +122,9 @@ xnrealloc (void *p, size_t n, size_t s)
 
 /* If P is null, allocate a block of at least *PN such objects;
    otherwise, reallocate P so that it contains more than *PN objects
-   each of S bytes.  *PN must be nonzero unless P is null, and S must
-   be nonzero.  Set *PN to the new number of objects, and return the
-   pointer to the new block.  *PN is never set to zero, and the
-   returned pointer is never null.
+   each of S bytes.  S must be nonzero.  Set *PN to the new number of
+   objects, and return the pointer to the new block.  *PN is never set
+   to zero, and the returned pointer is never null.
 
    Repeated reallocations are guaranteed to make progress, either by
    allocating an initial block with a nonzero size, or by allocating a
@@ -196,13 +195,13 @@ x2nrealloc (void *p, size_t *pn, size_t s)
     }
   else
     {
-      /* Set N = ceil (1.5 * N) so that progress is made if N == 1.
+      /* Set N = floor (1.5 * N) + 1 so that progress is made even if N == 0.
          Check for overflow, so that N * S stays in size_t range.
-         The check is slightly conservative, but an exact check isn't
+         The check may be slightly conservative, but an exact check isn't
          worth the trouble.  */
       if ((size_t) -1 / 3 * 2 / s <= n)
         xalloc_die ();
-      n += (n + 1) / 2;
+      n += n / 2 + 1;
     }
 
   *pn = n;