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[SCM] GNU libtasn1 branch, master, updated. libtasn1_2_9-8-g22467f0


From: Simon Josefsson
Subject: [SCM] GNU libtasn1 branch, master, updated. libtasn1_2_9-8-g22467f0
Date: Thu, 14 Jul 2011 11:18:27 +0000

This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU libtasn1".

http://git.savannah.gnu.org/cgit/libtasn1.git/commit/?id=22467f04196c52ebfdf14255748de1b977bff865

The branch, master has been updated
       via  22467f04196c52ebfdf14255748de1b977bff865 (commit)
      from  c5f7aa11f5fb3095320cfd39903d933e9c27a67b (commit)

Those revisions listed above that are new to this repository have
not appeared on any other notification email; so we list those
revisions in full, below.

- Log -----------------------------------------------------------------
commit 22467f04196c52ebfdf14255748de1b977bff865
Author: Simon Josefsson <address@hidden>
Date:   Thu Jul 14 13:10:45 2011 +0200

    Update gnulib files.

-----------------------------------------------------------------------

Summary of changes:
 build-aux/snippet/_Noreturn.h         |   10 +
 build-aux/{ => snippet}/arg-nonnull.h |    0
 build-aux/{ => snippet}/c++defs.h     |    0
 build-aux/{ => snippet}/warn-on-use.h |    0
 build-aux/vc-list-files               |   89 +++----
 gl/Makefile.am                        |  487 +++++++++++++++++++--------------
 gl/errno.in.h                         |  167 +++++++++++
 gl/{version-etc-fsf.c => ftell.c}     |   34 ++-
 gl/getopt.c                           |   93 +++++--
 gl/getopt.in.h                        |   10 +-
 gl/m4/errno_h.m4                      |  119 ++++++++
 gl/m4/fseeko.m4                       |   50 ++---
 gl/m4/ftell.m4                        |   15 +
 gl/m4/ftello.m4                       |   10 +-
 gl/m4/getopt.m4                       |  120 +++++----
 gl/m4/gnulib-cache.m4                 |    3 +-
 gl/m4/gnulib-common.m4                |   70 +++++-
 gl/m4/gnulib-comp.m4                  |   50 +++-
 gl/m4/lseek.m4                        |   15 +-
 gl/m4/malloc.m4                       |   12 +-
 gl/m4/read-file.m4                    |    8 +-
 gl/m4/realloc.m4                      |   12 +-
 gl/m4/stdint.m4                       |    4 +-
 gl/m4/unistd_h.m4                     |    8 +-
 gl/m4/warnings.m4                     |    6 +-
 gl/stdarg.in.h                        |   10 +-
 gl/stddef.in.h                        |   14 +-
 gl/stdint.in.h                        |  110 +++++----
 gl/stdio.in.h                         |   48 +---
 gl/stdlib.in.h                        |   18 +-
 gl/sys_stat.in.h                      |   10 +-
 gl/time.in.h                          |    4 +-
 gl/unistd.in.h                        |  169 +++++++-----
 lib/gllib/Makefile.am                 |  159 ++++++------
 lib/gllib/stddef.in.h                 |   14 +-
 lib/gllib/stdint.in.h                 |  110 +++++----
 lib/gllib/string.in.h                 |   14 +-
 lib/glm4/gnulib-cache.m4              |    3 +-
 lib/glm4/gnulib-common.m4             |   70 +++++-
 lib/glm4/gnulib-comp.m4               |   16 +-
 lib/glm4/stdint.m4                    |    4 +-
 lib/glm4/strverscmp.m4                |    5 +-
 maint.mk                              |  266 +++++++++++++++----
 43 files changed, 1589 insertions(+), 847 deletions(-)
 create mode 100644 build-aux/snippet/_Noreturn.h
 rename build-aux/{ => snippet}/arg-nonnull.h (100%)
 rename build-aux/{ => snippet}/c++defs.h (100%)
 rename build-aux/{ => snippet}/warn-on-use.h (100%)
 create mode 100644 gl/errno.in.h
 copy gl/{version-etc-fsf.c => ftell.c} (60%)
 create mode 100644 gl/m4/errno_h.m4
 create mode 100644 gl/m4/ftell.m4

diff --git a/build-aux/snippet/_Noreturn.h b/build-aux/snippet/_Noreturn.h
new file mode 100644
index 0000000..1a7b4da
--- /dev/null
+++ b/build-aux/snippet/_Noreturn.h
@@ -0,0 +1,10 @@
+#ifndef _Noreturn
+# if (3 <= __GNUC__ || (__GNUC__ == 2 && 8 <= __GNUC_MINOR__) \
+      || 0x5110 <= __SUNPRO_C)
+#  define _Noreturn __attribute__ ((__noreturn__))
+# elif 1200 <= _MSC_VER
+#  define _Noreturn __declspec (noreturn)
+# else
+#  define _Noreturn
+# endif
+#endif
diff --git a/build-aux/arg-nonnull.h b/build-aux/snippet/arg-nonnull.h
similarity index 100%
rename from build-aux/arg-nonnull.h
rename to build-aux/snippet/arg-nonnull.h
diff --git a/build-aux/c++defs.h b/build-aux/snippet/c++defs.h
similarity index 100%
rename from build-aux/c++defs.h
rename to build-aux/snippet/c++defs.h
diff --git a/build-aux/warn-on-use.h b/build-aux/snippet/warn-on-use.h
similarity index 100%
rename from build-aux/warn-on-use.h
rename to build-aux/snippet/warn-on-use.h
diff --git a/build-aux/vc-list-files b/build-aux/vc-list-files
index 2fced25..405e458 100755
--- a/build-aux/vc-list-files
+++ b/build-aux/vc-list-files
@@ -2,7 +2,7 @@
 # List version-controlled file names.
 
 # Print a version string.
-scriptversion=2011-04-29.20; # UTC
+scriptversion=2011-05-16.22; # UTC
 
 # Copyright (C) 2006-2011 Free Software Foundation, Inc.
 
@@ -30,7 +30,7 @@ scriptversion=2011-04-29.20; # UTC
 postprocess=
 case $1 in
   --help) cat <<EOF
-Usage: $0 [-C SRCDIR] [DIR]
+Usage: $0 [-C SRCDIR] [DIR...]
 
 Output a list of version-controlled files in DIR (default .), relative to
 SRCDIR (default .).  SRCDIR must be the top directory of a checkout.
@@ -61,53 +61,48 @@ EOF
     shift; shift ;;
 esac
 
-dir=
-case $# in
-  0) ;;
-  1) dir=$1 ;;
-  *) echo "$0: too many arguments" 1>&2
-     echo "Usage: $0 [-C srcdir] [DIR]" 1>&2; exit 1;;
-esac
-
-test "x$dir" = x && dir=.
-
-if test -d .git; then
-  test "x$dir" = x. \
-    && dir= sed_esc= \
-    || { dir="$dir/"; sed_esc=`echo "$dir"|env sed 's,\([\\/]\),\\\\\1,g'`; }
-  # Ignore git symlinks - either they point into the tree, in which case
-  # we don't need to visit the target twice, or they point somewhere
-  # else (often into a submodule), in which case the content does not
-  # belong to this package.
-  eval exec git ls-tree -r 'HEAD:"$dir"' \
-    \| sed -n '"s/^100[^       ]*./$sed_esc/p"' $postprocess
-elif test -d .hg; then
-  eval exec hg locate '"$dir/*"' $postprocess
-elif test -d .bzr; then
-  test "$postprocess" = '' && postprocess="| sed 's|^\./||'"
-  eval exec bzr ls -R --versioned '"$dir"' $postprocess
-elif test -d CVS; then
-  test "$postprocess" = '' && postprocess="| sed 's|^\./||'"
-  if test -x build-aux/cvsu; then
-    eval build-aux/cvsu --find --types=AFGM '"$dir"' $postprocess
-  elif (cvsu --help) >/dev/null 2>&1; then
-    eval cvsu --find --types=AFGM '"$dir"' $postprocess
+test $# = 0 && set .
+
+for dir
+do
+  if test -d .git; then
+    test "x$dir" = x. \
+      && dir= sed_esc= \
+      || { dir="$dir/"; sed_esc=`echo "$dir"|env sed 's,\([\\/]\),\\\\\1,g'`; }
+    # Ignore git symlinks - either they point into the tree, in which case
+    # we don't need to visit the target twice, or they point somewhere
+    # else (often into a submodule), in which case the content does not
+    # belong to this package.
+    eval exec git ls-tree -r 'HEAD:"$dir"' \
+      \| sed -n '"s/^100[^     ]*./$sed_esc/p"' $postprocess
+  elif test -d .hg; then
+    eval exec hg locate '"$dir/*"' $postprocess
+  elif test -d .bzr; then
+    test "$postprocess" = '' && postprocess="| sed 's|^\./||'"
+    eval exec bzr ls -R --versioned '"$dir"' $postprocess
+  elif test -d CVS; then
+    test "$postprocess" = '' && postprocess="| sed 's|^\./||'"
+    if test -x build-aux/cvsu; then
+      eval build-aux/cvsu --find --types=AFGM '"$dir"' $postprocess
+    elif (cvsu --help) >/dev/null 2>&1; then
+      eval cvsu --find --types=AFGM '"$dir"' $postprocess
+    else
+      eval awk -F/ \''{                        \
+          if (!$1 && $3 !~ /^-/) {     \
+            f=FILENAME;                        \
+            if (f ~ /CVS\/Entries$/)   \
+              f = substr(f, 1, length(f)-11); \
+            print f $2;                        \
+          }}'\''                               \
+        `find "$dir" -name Entries -print` /dev/null' $postprocess
+    fi
+  elif test -d .svn; then
+    eval exec svn list -R '"$dir"' $postprocess
   else
-    eval awk -F/ \''{                  \
-        if (!$1 && $3 !~ /^-/) {       \
-          f=FILENAME;                  \
-          if (f ~ /CVS\/Entries$/)     \
-            f = substr(f, 1, length(f)-11); \
-          print f $2;                  \
-        }}'\''                         \
-      `find "$dir" -name Entries -print` /dev/null' $postprocess
+    echo "$0: Failed to determine type of version control used in `pwd`" 1>&2
+    exit 1
   fi
-elif test -d .svn; then
-  eval exec svn list -R '"$dir"' $postprocess
-else
-  echo "$0: Failed to determine type of version control used in `pwd`" 1>&2
-  exit 1
-fi
+done
 
 # Local variables:
 # eval: (add-hook 'write-file-hooks 'time-stamp)
diff --git a/gl/Makefile.am b/gl/Makefile.am
index dcbc237..b0cbcd1 100644
--- a/gl/Makefile.am
+++ b/gl/Makefile.am
@@ -9,7 +9,7 @@
 # the same distribution terms as the rest of that program.
 #
 # Generated by gnulib-tool.
-# Reproduce by: gnulib-tool --import --dir=. --local-dir=gl/override 
--lib=libgnu --source-base=gl --m4-base=gl/m4 --doc-base=doc --tests-base=tests 
--aux-dir=build-aux --libtool --macro-prefix=gl --no-vc-files autobuild fdl-1.3 
gendocs getopt-gnu maintainer-makefile manywarnings pmccabe2html progname 
read-file stdint update-copyright valgrind-tests version-etc-fsf warnings
+# Reproduce by: gnulib-tool --import --dir=. --local-dir=gl/override 
--lib=libgnu --source-base=gl --m4-base=gl/m4 --doc-base=doc --tests-base=tests 
--aux-dir=build-aux --no-conditional-dependencies --libtool --macro-prefix=gl 
--no-vc-files autobuild fdl-1.3 gendocs getopt-gnu maintainer-makefile 
manywarnings pmccabe2html progname read-file stdint update-copyright 
valgrind-tests version-etc-fsf warnings
 
 AUTOMAKE_OPTIONS = 1.5 gnits
 
@@ -40,53 +40,48 @@ libgnu_la_LDFLAGS = $(AM_LDFLAGS)
 libgnu_la_LDFLAGS += -no-undefined
 libgnu_la_LDFLAGS += $(LTLIBINTL)
 
-## begin gnulib module arg-nonnull
+## begin gnulib module errno
 
-# The BUILT_SOURCES created by this Makefile snippet are not used via #include
-# statements but through direct file reference. Therefore this snippet must be
-# present in all Makefile.am that need it. This is ensured by the applicability
-# 'all' defined above.
+BUILT_SOURCES += $(ERRNO_H)
 
-BUILT_SOURCES += arg-nonnull.h
-# The arg-nonnull.h that gets inserted into generated .h files is the same as
-# build-aux/arg-nonnull.h, except that it has the copyright header cut off.
-arg-nonnull.h: $(top_srcdir)/build-aux/arg-nonnull.h
+# We need the following in order to create <errno.h> when the system
+# doesn't have one that is POSIX compliant.
+if GL_GENERATE_ERRNO_H
+errno.h: errno.in.h $(top_builddir)/config.status
        $(AM_V_GEN)rm -f address@hidden $@ && \
-       sed -n -e '/GL_ARG_NONNULL/,$$p' \
-         < $(top_srcdir)/build-aux/arg-nonnull.h \
-         > address@hidden && \
+       { echo '/* DO NOT EDIT! GENERATED AUTOMATICALLY! */' && \
+         sed -e 's|@''GUARD_PREFIX''@|GL|g' \
+             -e 's|@''INCLUDE_NEXT''@|$(INCLUDE_NEXT)|g' \
+             -e 's|@''PRAGMA_SYSTEM_HEADER''@|@PRAGMA_SYSTEM_HEADER@|g' \
+             -e 's|@''PRAGMA_COLUMNS''@|@PRAGMA_COLUMNS@|g' \
+             -e 's|@''NEXT_ERRNO_H''@|$(NEXT_ERRNO_H)|g' \
+             -e 's|@''EMULTIHOP_HIDDEN''@|$(EMULTIHOP_HIDDEN)|g' \
+             -e 's|@''EMULTIHOP_VALUE''@|$(EMULTIHOP_VALUE)|g' \
+             -e 's|@''ENOLINK_HIDDEN''@|$(ENOLINK_HIDDEN)|g' \
+             -e 's|@''ENOLINK_VALUE''@|$(ENOLINK_VALUE)|g' \
+             -e 's|@''EOVERFLOW_HIDDEN''@|$(EOVERFLOW_HIDDEN)|g' \
+             -e 's|@''EOVERFLOW_VALUE''@|$(EOVERFLOW_VALUE)|g' \
+             < $(srcdir)/errno.in.h; \
+       } > address@hidden && \
        mv address@hidden $@
-MOSTLYCLEANFILES += arg-nonnull.h arg-nonnull.h-t
+else
+errno.h: $(top_builddir)/config.status
+       rm -f $@
+endif
+MOSTLYCLEANFILES += errno.h errno.h-t
 
-ARG_NONNULL_H=arg-nonnull.h
+EXTRA_DIST += errno.in.h
 
-EXTRA_DIST += $(top_srcdir)/build-aux/arg-nonnull.h
+## end   gnulib module errno
 
-## end   gnulib module arg-nonnull
+## begin gnulib module ftell
 
-## begin gnulib module c++defs
 
-# The BUILT_SOURCES created by this Makefile snippet are not used via #include
-# statements but through direct file reference. Therefore this snippet must be
-# present in all Makefile.am that need it. This is ensured by the applicability
-# 'all' defined above.
+EXTRA_DIST += ftell.c
 
-BUILT_SOURCES += c++defs.h
-# The c++defs.h that gets inserted into generated .h files is the same as
-# build-aux/c++defs.h, except that it has the copyright header cut off.
-c++defs.h: $(top_srcdir)/build-aux/c++defs.h
-       $(AM_V_GEN)rm -f address@hidden $@ && \
-       sed -n -e '/_GL_CXXDEFS/,$$p' \
-         < $(top_srcdir)/build-aux/c++defs.h \
-         > address@hidden && \
-       mv address@hidden $@
-MOSTLYCLEANFILES += c++defs.h c++defs.h-t
-
-CXXDEFS_H=c++defs.h
+EXTRA_libgnu_la_SOURCES += ftell.c
 
-EXTRA_DIST += $(top_srcdir)/build-aux/c++defs.h
-
-## end   gnulib module c++defs
+## end   gnulib module ftell
 
 ## begin gnulib module ftello
 
@@ -113,7 +108,8 @@ BUILT_SOURCES += $(GETOPT_H)
 getopt.h: getopt.in.h $(top_builddir)/config.status $(ARG_NONNULL_H)
        $(AM_V_GEN)rm -f address@hidden $@ && \
        { echo '/* DO NOT EDIT! GENERATED AUTOMATICALLY! */'; \
-         sed -e 's|@''HAVE_GETOPT_H''@|$(HAVE_GETOPT_H)|g' \
+         sed -e 's|@''GUARD_PREFIX''@|GL|g' \
+             -e 's|@''HAVE_GETOPT_H''@|$(HAVE_GETOPT_H)|g' \
              -e 's|@''INCLUDE_NEXT''@|$(INCLUDE_NEXT)|g' \
              -e 's|@''PRAGMA_SYSTEM_HEADER''@|@PRAGMA_SYSTEM_HEADER@|g' \
              -e 's|@''PRAGMA_COLUMNS''@|@PRAGMA_COLUMNS@|g' \
@@ -185,10 +181,9 @@ libgnu_la_SOURCES += progname.h progname.c
 
 ## begin gnulib module read-file
 
+libgnu_la_SOURCES += read-file.c
 
-EXTRA_DIST += read-file.c read-file.h
-
-EXTRA_libgnu_la_SOURCES += read-file.c
+EXTRA_DIST += read-file.h
 
 ## end   gnulib module read-file
 
@@ -201,6 +196,87 @@ EXTRA_libgnu_la_SOURCES += realloc.c
 
 ## end   gnulib module realloc-posix
 
+## begin gnulib module snippet/_Noreturn
+
+# Because this Makefile snippet defines a variable used by other
+# gnulib Makefile snippets, it must be present in all Makefile.am that
+# need it. This is ensured by the applicability 'all' defined above.
+
+_NORETURN_H=$(top_srcdir)/build-aux/snippet/_Noreturn.h
+
+EXTRA_DIST += $(top_srcdir)/build-aux/snippet/_Noreturn.h
+
+## end   gnulib module snippet/_Noreturn
+
+## begin gnulib module snippet/arg-nonnull
+
+# The BUILT_SOURCES created by this Makefile snippet are not used via #include
+# statements but through direct file reference. Therefore this snippet must be
+# present in all Makefile.am that need it. This is ensured by the applicability
+# 'all' defined above.
+
+BUILT_SOURCES += arg-nonnull.h
+# The arg-nonnull.h that gets inserted into generated .h files is the same as
+# build-aux/snippet/arg-nonnull.h, except that it has the copyright header cut
+# off.
+arg-nonnull.h: $(top_srcdir)/build-aux/snippet/arg-nonnull.h
+       $(AM_V_GEN)rm -f address@hidden $@ && \
+       sed -n -e '/GL_ARG_NONNULL/,$$p' \
+         < $(top_srcdir)/build-aux/snippet/arg-nonnull.h \
+         > address@hidden && \
+       mv address@hidden $@
+MOSTLYCLEANFILES += arg-nonnull.h arg-nonnull.h-t
+
+ARG_NONNULL_H=arg-nonnull.h
+
+EXTRA_DIST += $(top_srcdir)/build-aux/snippet/arg-nonnull.h
+
+## end   gnulib module snippet/arg-nonnull
+
+## begin gnulib module snippet/c++defs
+
+# The BUILT_SOURCES created by this Makefile snippet are not used via #include
+# statements but through direct file reference. Therefore this snippet must be
+# present in all Makefile.am that need it. This is ensured by the applicability
+# 'all' defined above.
+
+BUILT_SOURCES += c++defs.h
+# The c++defs.h that gets inserted into generated .h files is the same as
+# build-aux/snippet/c++defs.h, except that it has the copyright header cut off.
+c++defs.h: $(top_srcdir)/build-aux/snippet/c++defs.h
+       $(AM_V_GEN)rm -f address@hidden $@ && \
+       sed -n -e '/_GL_CXXDEFS/,$$p' \
+         < $(top_srcdir)/build-aux/snippet/c++defs.h \
+         > address@hidden && \
+       mv address@hidden $@
+MOSTLYCLEANFILES += c++defs.h c++defs.h-t
+
+CXXDEFS_H=c++defs.h
+
+EXTRA_DIST += $(top_srcdir)/build-aux/snippet/c++defs.h
+
+## end   gnulib module snippet/c++defs
+
+## begin gnulib module snippet/warn-on-use
+
+BUILT_SOURCES += warn-on-use.h
+# The warn-on-use.h that gets inserted into generated .h files is the same as
+# build-aux/snippet/warn-on-use.h, except that it has the copyright header cut
+# off.
+warn-on-use.h: $(top_srcdir)/build-aux/snippet/warn-on-use.h
+       $(AM_V_GEN)rm -f address@hidden $@ && \
+       sed -n -e '/^.ifndef/,$$p' \
+         < $(top_srcdir)/build-aux/snippet/warn-on-use.h \
+         > address@hidden && \
+       mv address@hidden $@
+MOSTLYCLEANFILES += warn-on-use.h warn-on-use.h-t
+
+WARN_ON_USE_H=warn-on-use.h
+
+EXTRA_DIST += $(top_srcdir)/build-aux/snippet/warn-on-use.h
+
+## end   gnulib module snippet/warn-on-use
+
 ## begin gnulib module stdarg
 
 BUILT_SOURCES += $(STDARG_H)
@@ -211,7 +287,8 @@ if GL_GENERATE_STDARG_H
 stdarg.h: stdarg.in.h $(top_builddir)/config.status
        $(AM_V_GEN)rm -f address@hidden $@ && \
        { echo '/* DO NOT EDIT! GENERATED AUTOMATICALLY! */' && \
-         sed -e 's|@''INCLUDE_NEXT''@|$(INCLUDE_NEXT)|g' \
+         sed -e 's|@''GUARD_PREFIX''@|GL|g' \
+             -e 's|@''INCLUDE_NEXT''@|$(INCLUDE_NEXT)|g' \
              -e 's|@''PRAGMA_SYSTEM_HEADER''@|@PRAGMA_SYSTEM_HEADER@|g' \
              -e 's|@''PRAGMA_COLUMNS''@|@PRAGMA_COLUMNS@|g' \
              -e 's|@''NEXT_STDARG_H''@|$(NEXT_STDARG_H)|g' \
@@ -238,7 +315,8 @@ if GL_GENERATE_STDDEF_H
 stddef.h: stddef.in.h $(top_builddir)/config.status
        $(AM_V_GEN)rm -f address@hidden $@ && \
        { echo '/* DO NOT EDIT! GENERATED AUTOMATICALLY! */' && \
-         sed -e 's|@''INCLUDE_NEXT''@|$(INCLUDE_NEXT)|g' \
+         sed -e 's|@''GUARD_PREFIX''@|GL|g' \
+             -e 's|@''INCLUDE_NEXT''@|$(INCLUDE_NEXT)|g' \
              -e 's|@''PRAGMA_SYSTEM_HEADER''@|@PRAGMA_SYSTEM_HEADER@|g' \
              -e 's|@''PRAGMA_COLUMNS''@|@PRAGMA_COLUMNS@|g' \
              -e 's|@''NEXT_STDDEF_H''@|$(NEXT_STDDEF_H)|g' \
@@ -267,7 +345,8 @@ if GL_GENERATE_STDINT_H
 stdint.h: stdint.in.h $(top_builddir)/config.status
        $(AM_V_GEN)rm -f address@hidden $@ && \
        { echo '/* DO NOT EDIT! GENERATED AUTOMATICALLY! */'; \
-         sed -e 's/@''HAVE_STDINT_H''@/$(HAVE_STDINT_H)/g' \
+         sed -e 's|@''GUARD_PREFIX''@|GL|g' \
+             -e 's/@''HAVE_STDINT_H''@/$(HAVE_STDINT_H)/g' \
              -e 's|@''INCLUDE_NEXT''@|$(INCLUDE_NEXT)|g' \
              -e 's|@''PRAGMA_SYSTEM_HEADER''@|@PRAGMA_SYSTEM_HEADER@|g' \
              -e 's|@''PRAGMA_COLUMNS''@|@PRAGMA_COLUMNS@|g' \
@@ -315,62 +394,63 @@ BUILT_SOURCES += stdio.h
 stdio.h: stdio.in.h $(top_builddir)/config.status $(CXXDEFS_H) 
$(ARG_NONNULL_H) $(WARN_ON_USE_H)
        $(AM_V_GEN)rm -f address@hidden $@ && \
        { echo '/* DO NOT EDIT! GENERATED AUTOMATICALLY! */' && \
-         sed -e 's|@''INCLUDE_NEXT''@|$(INCLUDE_NEXT)|g' \
+         sed -e 's|@''GUARD_PREFIX''@|GL|g' \
+             -e 's|@''INCLUDE_NEXT''@|$(INCLUDE_NEXT)|g' \
              -e 's|@''PRAGMA_SYSTEM_HEADER''@|@PRAGMA_SYSTEM_HEADER@|g' \
              -e 's|@''PRAGMA_COLUMNS''@|@PRAGMA_COLUMNS@|g' \
              -e 's|@''NEXT_STDIO_H''@|$(NEXT_STDIO_H)|g' \
-             -e 's|@''GNULIB_DPRINTF''@|$(GNULIB_DPRINTF)|g' \
-             -e 's|@''GNULIB_FCLOSE''@|$(GNULIB_FCLOSE)|g' \
-             -e 's|@''GNULIB_FFLUSH''@|$(GNULIB_FFLUSH)|g' \
-             -e 's|@''GNULIB_FGETC''@|$(GNULIB_FGETC)|g' \
-             -e 's|@''GNULIB_FGETS''@|$(GNULIB_FGETS)|g' \
-             -e 's|@''GNULIB_FOPEN''@|$(GNULIB_FOPEN)|g' \
-             -e 's|@''GNULIB_FPRINTF''@|$(GNULIB_FPRINTF)|g' \
-             -e 's|@''GNULIB_FPRINTF_POSIX''@|$(GNULIB_FPRINTF_POSIX)|g' \
-             -e 's|@''GNULIB_FPURGE''@|$(GNULIB_FPURGE)|g' \
-             -e 's|@''GNULIB_FPUTC''@|$(GNULIB_FPUTC)|g' \
-             -e 's|@''GNULIB_FPUTS''@|$(GNULIB_FPUTS)|g' \
-             -e 's|@''GNULIB_FREAD''@|$(GNULIB_FREAD)|g' \
-             -e 's|@''GNULIB_FREOPEN''@|$(GNULIB_FREOPEN)|g' \
-             -e 's|@''GNULIB_FSCANF''@|$(GNULIB_FSCANF)|g' \
-             -e 's|@''GNULIB_FSEEK''@|$(GNULIB_FSEEK)|g' \
-             -e 's|@''GNULIB_FSEEKO''@|$(GNULIB_FSEEKO)|g' \
-             -e 's|@''GNULIB_FTELL''@|$(GNULIB_FTELL)|g' \
-             -e 's|@''GNULIB_FTELLO''@|$(GNULIB_FTELLO)|g' \
-             -e 's|@''GNULIB_FWRITE''@|$(GNULIB_FWRITE)|g' \
-             -e 's|@''GNULIB_GETC''@|$(GNULIB_GETC)|g' \
-             -e 's|@''GNULIB_GETCHAR''@|$(GNULIB_GETCHAR)|g' \
-             -e 's|@''GNULIB_GETDELIM''@|$(GNULIB_GETDELIM)|g' \
-             -e 's|@''GNULIB_GETLINE''@|$(GNULIB_GETLINE)|g' \
-             -e 's|@''GNULIB_GETS''@|$(GNULIB_GETS)|g' \
-             -e 's|@''GNULIB_OBSTACK_PRINTF''@|$(GNULIB_OBSTACK_PRINTF)|g' \
-             -e 
's|@''GNULIB_OBSTACK_PRINTF_POSIX''@|$(GNULIB_OBSTACK_PRINTF_POSIX)|g' \
-             -e 's|@''GNULIB_PERROR''@|$(GNULIB_PERROR)|g' \
-             -e 's|@''GNULIB_POPEN''@|$(GNULIB_POPEN)|g' \
-             -e 's|@''GNULIB_PRINTF''@|$(GNULIB_PRINTF)|g' \
-             -e 's|@''GNULIB_PRINTF_POSIX''@|$(GNULIB_PRINTF_POSIX)|g' \
-             -e 's|@''GNULIB_PUTC''@|$(GNULIB_PUTC)|g' \
-             -e 's|@''GNULIB_PUTCHAR''@|$(GNULIB_PUTCHAR)|g' \
-             -e 's|@''GNULIB_PUTS''@|$(GNULIB_PUTS)|g' \
-             -e 's|@''GNULIB_REMOVE''@|$(GNULIB_REMOVE)|g' \
-             -e 's|@''GNULIB_RENAME''@|$(GNULIB_RENAME)|g' \
-             -e 's|@''GNULIB_RENAMEAT''@|$(GNULIB_RENAMEAT)|g' \
-             -e 's|@''GNULIB_SCANF''@|$(GNULIB_SCANF)|g' \
-             -e 's|@''GNULIB_SNPRINTF''@|$(GNULIB_SNPRINTF)|g' \
-             -e 's|@''GNULIB_SPRINTF_POSIX''@|$(GNULIB_SPRINTF_POSIX)|g' \
-             -e 
's|@''GNULIB_STDIO_H_NONBLOCKING''@|$(GNULIB_STDIO_H_NONBLOCKING)|g' \
-             -e 's|@''GNULIB_STDIO_H_SIGPIPE''@|$(GNULIB_STDIO_H_SIGPIPE)|g' \
-             -e 's|@''GNULIB_TMPFILE''@|$(GNULIB_TMPFILE)|g' \
-             -e 's|@''GNULIB_VASPRINTF''@|$(GNULIB_VASPRINTF)|g' \
-             -e 's|@''GNULIB_VDPRINTF''@|$(GNULIB_VDPRINTF)|g' \
-             -e 's|@''GNULIB_VFPRINTF''@|$(GNULIB_VFPRINTF)|g' \
-             -e 's|@''GNULIB_VFPRINTF_POSIX''@|$(GNULIB_VFPRINTF_POSIX)|g' \
-             -e 's|@''GNULIB_VFSCANF''@|$(GNULIB_VFSCANF)|g' \
-             -e 's|@''GNULIB_VSCANF''@|$(GNULIB_VSCANF)|g' \
-             -e 's|@''GNULIB_VPRINTF''@|$(GNULIB_VPRINTF)|g' \
-             -e 's|@''GNULIB_VPRINTF_POSIX''@|$(GNULIB_VPRINTF_POSIX)|g' \
-             -e 's|@''GNULIB_VSNPRINTF''@|$(GNULIB_VSNPRINTF)|g' \
-             -e 's|@''GNULIB_VSPRINTF_POSIX''@|$(GNULIB_VSPRINTF_POSIX)|g' \
+             -e 's/@''GNULIB_DPRINTF''@/$(GNULIB_DPRINTF)/g' \
+             -e 's/@''GNULIB_FCLOSE''@/$(GNULIB_FCLOSE)/g' \
+             -e 's/@''GNULIB_FFLUSH''@/$(GNULIB_FFLUSH)/g' \
+             -e 's/@''GNULIB_FGETC''@/$(GNULIB_FGETC)/g' \
+             -e 's/@''GNULIB_FGETS''@/$(GNULIB_FGETS)/g' \
+             -e 's/@''GNULIB_FOPEN''@/$(GNULIB_FOPEN)/g' \
+             -e 's/@''GNULIB_FPRINTF''@/$(GNULIB_FPRINTF)/g' \
+             -e 's/@''GNULIB_FPRINTF_POSIX''@/$(GNULIB_FPRINTF_POSIX)/g' \
+             -e 's/@''GNULIB_FPURGE''@/$(GNULIB_FPURGE)/g' \
+             -e 's/@''GNULIB_FPUTC''@/$(GNULIB_FPUTC)/g' \
+             -e 's/@''GNULIB_FPUTS''@/$(GNULIB_FPUTS)/g' \
+             -e 's/@''GNULIB_FREAD''@/$(GNULIB_FREAD)/g' \
+             -e 's/@''GNULIB_FREOPEN''@/$(GNULIB_FREOPEN)/g' \
+             -e 's/@''GNULIB_FSCANF''@/$(GNULIB_FSCANF)/g' \
+             -e 's/@''GNULIB_FSEEK''@/$(GNULIB_FSEEK)/g' \
+             -e 's/@''GNULIB_FSEEKO''@/$(GNULIB_FSEEKO)/g' \
+             -e 's/@''GNULIB_FTELL''@/$(GNULIB_FTELL)/g' \
+             -e 's/@''GNULIB_FTELLO''@/$(GNULIB_FTELLO)/g' \
+             -e 's/@''GNULIB_FWRITE''@/$(GNULIB_FWRITE)/g' \
+             -e 's/@''GNULIB_GETC''@/$(GNULIB_GETC)/g' \
+             -e 's/@''GNULIB_GETCHAR''@/$(GNULIB_GETCHAR)/g' \
+             -e 's/@''GNULIB_GETDELIM''@/$(GNULIB_GETDELIM)/g' \
+             -e 's/@''GNULIB_GETLINE''@/$(GNULIB_GETLINE)/g' \
+             -e 's/@''GNULIB_GETS''@/$(GNULIB_GETS)/g' \
+             -e 's/@''GNULIB_OBSTACK_PRINTF''@/$(GNULIB_OBSTACK_PRINTF)/g' \
+             -e 
's/@''GNULIB_OBSTACK_PRINTF_POSIX''@/$(GNULIB_OBSTACK_PRINTF_POSIX)/g' \
+             -e 's/@''GNULIB_PERROR''@/$(GNULIB_PERROR)/g' \
+             -e 's/@''GNULIB_POPEN''@/$(GNULIB_POPEN)/g' \
+             -e 's/@''GNULIB_PRINTF''@/$(GNULIB_PRINTF)/g' \
+             -e 's/@''GNULIB_PRINTF_POSIX''@/$(GNULIB_PRINTF_POSIX)/g' \
+             -e 's/@''GNULIB_PUTC''@/$(GNULIB_PUTC)/g' \
+             -e 's/@''GNULIB_PUTCHAR''@/$(GNULIB_PUTCHAR)/g' \
+             -e 's/@''GNULIB_PUTS''@/$(GNULIB_PUTS)/g' \
+             -e 's/@''GNULIB_REMOVE''@/$(GNULIB_REMOVE)/g' \
+             -e 's/@''GNULIB_RENAME''@/$(GNULIB_RENAME)/g' \
+             -e 's/@''GNULIB_RENAMEAT''@/$(GNULIB_RENAMEAT)/g' \
+             -e 's/@''GNULIB_SCANF''@/$(GNULIB_SCANF)/g' \
+             -e 's/@''GNULIB_SNPRINTF''@/$(GNULIB_SNPRINTF)/g' \
+             -e 's/@''GNULIB_SPRINTF_POSIX''@/$(GNULIB_SPRINTF_POSIX)/g' \
+             -e 
's/@''GNULIB_STDIO_H_NONBLOCKING''@/$(GNULIB_STDIO_H_NONBLOCKING)/g' \
+             -e 's/@''GNULIB_STDIO_H_SIGPIPE''@/$(GNULIB_STDIO_H_SIGPIPE)/g' \
+             -e 's/@''GNULIB_TMPFILE''@/$(GNULIB_TMPFILE)/g' \
+             -e 's/@''GNULIB_VASPRINTF''@/$(GNULIB_VASPRINTF)/g' \
+             -e 's/@''GNULIB_VDPRINTF''@/$(GNULIB_VDPRINTF)/g' \
+             -e 's/@''GNULIB_VFPRINTF''@/$(GNULIB_VFPRINTF)/g' \
+             -e 's/@''GNULIB_VFPRINTF_POSIX''@/$(GNULIB_VFPRINTF_POSIX)/g' \
+             -e 's/@''GNULIB_VFSCANF''@/$(GNULIB_VFSCANF)/g' \
+             -e 's/@''GNULIB_VSCANF''@/$(GNULIB_VSCANF)/g' \
+             -e 's/@''GNULIB_VPRINTF''@/$(GNULIB_VPRINTF)/g' \
+             -e 's/@''GNULIB_VPRINTF_POSIX''@/$(GNULIB_VPRINTF_POSIX)/g' \
+             -e 's/@''GNULIB_VSNPRINTF''@/$(GNULIB_VSNPRINTF)/g' \
+             -e 's/@''GNULIB_VSPRINTF_POSIX''@/$(GNULIB_VSPRINTF_POSIX)/g' \
              < $(srcdir)/stdio.in.h | \
          sed -e 's|@''HAVE_DECL_FPURGE''@|$(HAVE_DECL_FPURGE)|g' \
              -e 's|@''HAVE_DECL_FSEEKO''@|$(HAVE_DECL_FSEEKO)|g' \
@@ -435,41 +515,43 @@ BUILT_SOURCES += stdlib.h
 
 # We need the following in order to create <stdlib.h> when the system
 # doesn't have one that works with the given compiler.
-stdlib.h: stdlib.in.h $(top_builddir)/config.status $(CXXDEFS_H) 
$(ARG_NONNULL_H) $(WARN_ON_USE_H)
+stdlib.h: stdlib.in.h $(top_builddir)/config.status $(CXXDEFS_H) \
+  $(_NORETURN_H) $(ARG_NONNULL_H) $(WARN_ON_USE_H)
        $(AM_V_GEN)rm -f address@hidden $@ && \
        { echo '/* DO NOT EDIT! GENERATED AUTOMATICALLY! */' && \
-         sed -e 's|@''INCLUDE_NEXT''@|$(INCLUDE_NEXT)|g' \
+         sed -e 's|@''GUARD_PREFIX''@|GL|g' \
+             -e 's|@''INCLUDE_NEXT''@|$(INCLUDE_NEXT)|g' \
              -e 's|@''PRAGMA_SYSTEM_HEADER''@|@PRAGMA_SYSTEM_HEADER@|g' \
              -e 's|@''PRAGMA_COLUMNS''@|@PRAGMA_COLUMNS@|g' \
              -e 's|@''NEXT_STDLIB_H''@|$(NEXT_STDLIB_H)|g' \
-             -e 's|@''GNULIB__EXIT''@|$(GNULIB__EXIT)|g' \
-             -e 's|@''GNULIB_ATOLL''@|$(GNULIB_ATOLL)|g' \
-             -e 's|@''GNULIB_CALLOC_POSIX''@|$(GNULIB_CALLOC_POSIX)|g' \
-             -e 
's|@''GNULIB_CANONICALIZE_FILE_NAME''@|$(GNULIB_CANONICALIZE_FILE_NAME)|g' \
-             -e 's|@''GNULIB_GETLOADAVG''@|$(GNULIB_GETLOADAVG)|g' \
-             -e 's|@''GNULIB_GETSUBOPT''@|$(GNULIB_GETSUBOPT)|g' \
-             -e 's|@''GNULIB_GRANTPT''@|$(GNULIB_GRANTPT)|g' \
-             -e 's|@''GNULIB_MALLOC_POSIX''@|$(GNULIB_MALLOC_POSIX)|g' \
-             -e 's|@''GNULIB_MBTOWC''@|$(GNULIB_MBTOWC)|g' \
-             -e 's|@''GNULIB_MKDTEMP''@|$(GNULIB_MKDTEMP)|g' \
-             -e 's|@''GNULIB_MKOSTEMP''@|$(GNULIB_MKOSTEMP)|g' \
-             -e 's|@''GNULIB_MKOSTEMPS''@|$(GNULIB_MKOSTEMPS)|g' \
-             -e 's|@''GNULIB_MKSTEMP''@|$(GNULIB_MKSTEMP)|g' \
-             -e 's|@''GNULIB_MKSTEMPS''@|$(GNULIB_MKSTEMPS)|g' \
-             -e 's|@''GNULIB_PTSNAME''@|$(GNULIB_PTSNAME)|g' \
-             -e 's|@''GNULIB_PUTENV''@|$(GNULIB_PUTENV)|g' \
-             -e 's|@''GNULIB_RANDOM_R''@|$(GNULIB_RANDOM_R)|g' \
-             -e 's|@''GNULIB_REALLOC_POSIX''@|$(GNULIB_REALLOC_POSIX)|g' \
-             -e 's|@''GNULIB_REALPATH''@|$(GNULIB_REALPATH)|g' \
-             -e 's|@''GNULIB_RPMATCH''@|$(GNULIB_RPMATCH)|g' \
-             -e 's|@''GNULIB_SETENV''@|$(GNULIB_SETENV)|g' \
-             -e 's|@''GNULIB_STRTOD''@|$(GNULIB_STRTOD)|g' \
-             -e 's|@''GNULIB_STRTOLL''@|$(GNULIB_STRTOLL)|g' \
-             -e 's|@''GNULIB_STRTOULL''@|$(GNULIB_STRTOULL)|g' \
-             -e 's|@''GNULIB_SYSTEM_POSIX''@|$(GNULIB_SYSTEM_POSIX)|g' \
-             -e 's|@''GNULIB_UNLOCKPT''@|$(GNULIB_UNLOCKPT)|g' \
-             -e 's|@''GNULIB_UNSETENV''@|$(GNULIB_UNSETENV)|g' \
-             -e 's|@''GNULIB_WCTOMB''@|$(GNULIB_WCTOMB)|g' \
+             -e 's/@''GNULIB__EXIT''@/$(GNULIB__EXIT)/g' \
+             -e 's/@''GNULIB_ATOLL''@/$(GNULIB_ATOLL)/g' \
+             -e 's/@''GNULIB_CALLOC_POSIX''@/$(GNULIB_CALLOC_POSIX)/g' \
+             -e 
's/@''GNULIB_CANONICALIZE_FILE_NAME''@/$(GNULIB_CANONICALIZE_FILE_NAME)/g' \
+             -e 's/@''GNULIB_GETLOADAVG''@/$(GNULIB_GETLOADAVG)/g' \
+             -e 's/@''GNULIB_GETSUBOPT''@/$(GNULIB_GETSUBOPT)/g' \
+             -e 's/@''GNULIB_GRANTPT''@/$(GNULIB_GRANTPT)/g' \
+             -e 's/@''GNULIB_MALLOC_POSIX''@/$(GNULIB_MALLOC_POSIX)/g' \
+             -e 's/@''GNULIB_MBTOWC''@/$(GNULIB_MBTOWC)/g' \
+             -e 's/@''GNULIB_MKDTEMP''@/$(GNULIB_MKDTEMP)/g' \
+             -e 's/@''GNULIB_MKOSTEMP''@/$(GNULIB_MKOSTEMP)/g' \
+             -e 's/@''GNULIB_MKOSTEMPS''@/$(GNULIB_MKOSTEMPS)/g' \
+             -e 's/@''GNULIB_MKSTEMP''@/$(GNULIB_MKSTEMP)/g' \
+             -e 's/@''GNULIB_MKSTEMPS''@/$(GNULIB_MKSTEMPS)/g' \
+             -e 's/@''GNULIB_PTSNAME''@/$(GNULIB_PTSNAME)/g' \
+             -e 's/@''GNULIB_PUTENV''@/$(GNULIB_PUTENV)/g' \
+             -e 's/@''GNULIB_RANDOM_R''@/$(GNULIB_RANDOM_R)/g' \
+             -e 's/@''GNULIB_REALLOC_POSIX''@/$(GNULIB_REALLOC_POSIX)/g' \
+             -e 's/@''GNULIB_REALPATH''@/$(GNULIB_REALPATH)/g' \
+             -e 's/@''GNULIB_RPMATCH''@/$(GNULIB_RPMATCH)/g' \
+             -e 's/@''GNULIB_SETENV''@/$(GNULIB_SETENV)/g' \
+             -e 's/@''GNULIB_STRTOD''@/$(GNULIB_STRTOD)/g' \
+             -e 's/@''GNULIB_STRTOLL''@/$(GNULIB_STRTOLL)/g' \
+             -e 's/@''GNULIB_STRTOULL''@/$(GNULIB_STRTOULL)/g' \
+             -e 's/@''GNULIB_SYSTEM_POSIX''@/$(GNULIB_SYSTEM_POSIX)/g' \
+             -e 's/@''GNULIB_UNLOCKPT''@/$(GNULIB_UNLOCKPT)/g' \
+             -e 's/@''GNULIB_UNSETENV''@/$(GNULIB_UNSETENV)/g' \
+             -e 's/@''GNULIB_WCTOMB''@/$(GNULIB_WCTOMB)/g' \
              < $(srcdir)/stdlib.in.h | \
          sed -e 's|@''HAVE__EXIT''@|$(HAVE__EXIT)|g' \
              -e 's|@''HAVE_ATOLL''@|$(HAVE_ATOLL)|g' \
@@ -508,6 +590,7 @@ stdlib.h: stdlib.in.h $(top_builddir)/config.status 
$(CXXDEFS_H) $(ARG_NONNULL_H
              -e 's|@''REPLACE_UNSETENV''@|$(REPLACE_UNSETENV)|g' \
              -e 's|@''REPLACE_WCTOMB''@|$(REPLACE_WCTOMB)|g' \
              -e '/definitions of _GL_FUNCDECL_RPL/r $(CXXDEFS_H)' \
+             -e '/definition of _Noreturn/r $(_NORETURN_H)' \
              -e '/definition of _GL_ARG_NONNULL/r $(ARG_NONNULL_H)' \
              -e '/definition of _GL_WARN_ON_USE/r $(WARN_ON_USE_H)'; \
        } > address@hidden && \
@@ -528,22 +611,23 @@ sys/stat.h: sys_stat.in.h $(top_builddir)/config.status 
$(CXXDEFS_H) $(ARG_NONNU
        $(AM_V_at)$(MKDIR_P) sys
        $(AM_V_GEN)rm -f address@hidden $@ && \
        { echo '/* DO NOT EDIT! GENERATED AUTOMATICALLY! */'; \
-         sed -e 's|@''INCLUDE_NEXT''@|$(INCLUDE_NEXT)|g' \
+         sed -e 's|@''GUARD_PREFIX''@|GL|g' \
+             -e 's|@''INCLUDE_NEXT''@|$(INCLUDE_NEXT)|g' \
              -e 's|@''PRAGMA_SYSTEM_HEADER''@|@PRAGMA_SYSTEM_HEADER@|g' \
              -e 's|@''PRAGMA_COLUMNS''@|@PRAGMA_COLUMNS@|g' \
              -e 's|@''NEXT_SYS_STAT_H''@|$(NEXT_SYS_STAT_H)|g' \
-             -e 's|@''GNULIB_FCHMODAT''@|$(GNULIB_FCHMODAT)|g' \
-             -e 's|@''GNULIB_FSTATAT''@|$(GNULIB_FSTATAT)|g' \
-             -e 's|@''GNULIB_FUTIMENS''@|$(GNULIB_FUTIMENS)|g' \
-             -e 's|@''GNULIB_LCHMOD''@|$(GNULIB_LCHMOD)|g' \
-             -e 's|@''GNULIB_LSTAT''@|$(GNULIB_LSTAT)|g' \
-             -e 's|@''GNULIB_MKDIRAT''@|$(GNULIB_MKDIRAT)|g' \
-             -e 's|@''GNULIB_MKFIFO''@|$(GNULIB_MKFIFO)|g' \
-             -e 's|@''GNULIB_MKFIFOAT''@|$(GNULIB_MKFIFOAT)|g' \
-             -e 's|@''GNULIB_MKNOD''@|$(GNULIB_MKNOD)|g' \
-             -e 's|@''GNULIB_MKNODAT''@|$(GNULIB_MKNODAT)|g' \
-             -e 's|@''GNULIB_STAT''@|$(GNULIB_STAT)|g' \
-             -e 's|@''GNULIB_UTIMENSAT''@|$(GNULIB_UTIMENSAT)|g' \
+             -e 's/@''GNULIB_FCHMODAT''@/$(GNULIB_FCHMODAT)/g' \
+             -e 's/@''GNULIB_FSTATAT''@/$(GNULIB_FSTATAT)/g' \
+             -e 's/@''GNULIB_FUTIMENS''@/$(GNULIB_FUTIMENS)/g' \
+             -e 's/@''GNULIB_LCHMOD''@/$(GNULIB_LCHMOD)/g' \
+             -e 's/@''GNULIB_LSTAT''@/$(GNULIB_LSTAT)/g' \
+             -e 's/@''GNULIB_MKDIRAT''@/$(GNULIB_MKDIRAT)/g' \
+             -e 's/@''GNULIB_MKFIFO''@/$(GNULIB_MKFIFO)/g' \
+             -e 's/@''GNULIB_MKFIFOAT''@/$(GNULIB_MKFIFOAT)/g' \
+             -e 's/@''GNULIB_MKNOD''@/$(GNULIB_MKNOD)/g' \
+             -e 's/@''GNULIB_MKNODAT''@/$(GNULIB_MKNODAT)/g' \
+             -e 's/@''GNULIB_STAT''@/$(GNULIB_STAT)/g' \
+             -e 's/@''GNULIB_UTIMENSAT''@/$(GNULIB_UTIMENSAT)/g' \
              -e 's|@''HAVE_FCHMODAT''@|$(HAVE_FCHMODAT)|g' \
              -e 's|@''HAVE_FSTATAT''@|$(HAVE_FSTATAT)|g' \
              -e 's|@''HAVE_FUTIMENS''@|$(HAVE_FUTIMENS)|g' \
@@ -586,15 +670,16 @@ BUILT_SOURCES += time.h
 time.h: time.in.h $(top_builddir)/config.status $(CXXDEFS_H) $(ARG_NONNULL_H) 
$(WARN_ON_USE_H)
        $(AM_V_GEN)rm -f address@hidden $@ && \
        { echo '/* DO NOT EDIT! GENERATED AUTOMATICALLY! */' && \
-         sed -e 's|@''INCLUDE_NEXT''@|$(INCLUDE_NEXT)|g' \
+         sed -e 's|@''GUARD_PREFIX''@|GL|g' \
+             -e 's|@''INCLUDE_NEXT''@|$(INCLUDE_NEXT)|g' \
              -e 's|@''PRAGMA_SYSTEM_HEADER''@|@PRAGMA_SYSTEM_HEADER@|g' \
              -e 's|@''PRAGMA_COLUMNS''@|@PRAGMA_COLUMNS@|g' \
              -e 's|@''NEXT_TIME_H''@|$(NEXT_TIME_H)|g' \
-             -e 's|@''GNULIB_MKTIME''@|$(GNULIB_MKTIME)|g' \
-             -e 's|@''GNULIB_NANOSLEEP''@|$(GNULIB_NANOSLEEP)|g' \
-             -e 's|@''GNULIB_STRPTIME''@|$(GNULIB_STRPTIME)|g' \
-             -e 's|@''GNULIB_TIMEGM''@|$(GNULIB_TIMEGM)|g' \
-             -e 's|@''GNULIB_TIME_R''@|$(GNULIB_TIME_R)|g' \
+             -e 's/@''GNULIB_MKTIME''@/$(GNULIB_MKTIME)/g' \
+             -e 's/@''GNULIB_NANOSLEEP''@/$(GNULIB_NANOSLEEP)/g' \
+             -e 's/@''GNULIB_STRPTIME''@/$(GNULIB_STRPTIME)/g' \
+             -e 's/@''GNULIB_TIMEGM''@/$(GNULIB_TIMEGM)/g' \
+             -e 's/@''GNULIB_TIME_R''@/$(GNULIB_TIME_R)/g' \
              -e 's|@''HAVE_DECL_LOCALTIME_R''@|$(HAVE_DECL_LOCALTIME_R)|g' \
              -e 's|@''HAVE_NANOSLEEP''@|$(HAVE_NANOSLEEP)|g' \
              -e 's|@''HAVE_STRPTIME''@|$(HAVE_STRPTIME)|g' \
@@ -627,54 +712,56 @@ BUILT_SOURCES += unistd.h
 unistd.h: unistd.in.h $(top_builddir)/config.status $(CXXDEFS_H) 
$(ARG_NONNULL_H) $(WARN_ON_USE_H)
        $(AM_V_GEN)rm -f address@hidden $@ && \
        { echo '/* DO NOT EDIT! GENERATED AUTOMATICALLY! */'; \
-         sed -e 's|@''HAVE_UNISTD_H''@|$(HAVE_UNISTD_H)|g' \
+         sed -e 's|@''GUARD_PREFIX''@|GL|g' \
+             -e 's|@''HAVE_UNISTD_H''@|$(HAVE_UNISTD_H)|g' \
              -e 's|@''INCLUDE_NEXT''@|$(INCLUDE_NEXT)|g' \
              -e 's|@''PRAGMA_SYSTEM_HEADER''@|@PRAGMA_SYSTEM_HEADER@|g' \
              -e 's|@''PRAGMA_COLUMNS''@|@PRAGMA_COLUMNS@|g' \
              -e 's|@''NEXT_UNISTD_H''@|$(NEXT_UNISTD_H)|g' \
-             -e 's|@''GNULIB_CHOWN''@|$(GNULIB_CHOWN)|g' \
-             -e 's|@''GNULIB_CLOSE''@|$(GNULIB_CLOSE)|g' \
-             -e 's|@''GNULIB_DUP2''@|$(GNULIB_DUP2)|g' \
-             -e 's|@''GNULIB_DUP3''@|$(GNULIB_DUP3)|g' \
-             -e 's|@''GNULIB_ENVIRON''@|$(GNULIB_ENVIRON)|g' \
-             -e 's|@''GNULIB_EUIDACCESS''@|$(GNULIB_EUIDACCESS)|g' \
-             -e 's|@''GNULIB_FACCESSAT''@|$(GNULIB_FACCESSAT)|g' \
-             -e 's|@''GNULIB_FCHDIR''@|$(GNULIB_FCHDIR)|g' \
-             -e 's|@''GNULIB_FCHOWNAT''@|$(GNULIB_FCHOWNAT)|g' \
-             -e 's|@''GNULIB_FSYNC''@|$(GNULIB_FSYNC)|g' \
-             -e 's|@''GNULIB_FTRUNCATE''@|$(GNULIB_FTRUNCATE)|g' \
-             -e 's|@''GNULIB_GETCWD''@|$(GNULIB_GETCWD)|g' \
-             -e 's|@''GNULIB_GETDOMAINNAME''@|$(GNULIB_GETDOMAINNAME)|g' \
-             -e 's|@''GNULIB_GETDTABLESIZE''@|$(GNULIB_GETDTABLESIZE)|g' \
-             -e 's|@''GNULIB_GETGROUPS''@|$(GNULIB_GETGROUPS)|g' \
-             -e 's|@''GNULIB_GETHOSTNAME''@|$(GNULIB_GETHOSTNAME)|g' \
-             -e 's|@''GNULIB_GETLOGIN''@|$(GNULIB_GETLOGIN)|g' \
-             -e 's|@''GNULIB_GETLOGIN_R''@|$(GNULIB_GETLOGIN_R)|g' \
-             -e 's|@''GNULIB_GETPAGESIZE''@|$(GNULIB_GETPAGESIZE)|g' \
-             -e 's|@''GNULIB_GETUSERSHELL''@|$(GNULIB_GETUSERSHELL)|g' \
-             -e 's|@''GNULIB_LCHOWN''@|$(GNULIB_LCHOWN)|g' \
-             -e 's|@''GNULIB_LINK''@|$(GNULIB_LINK)|g' \
-             -e 's|@''GNULIB_LINKAT''@|$(GNULIB_LINKAT)|g' \
-             -e 's|@''GNULIB_LSEEK''@|$(GNULIB_LSEEK)|g' \
-             -e 's|@''GNULIB_PIPE''@|$(GNULIB_PIPE)|g' \
-             -e 's|@''GNULIB_PIPE2''@|$(GNULIB_PIPE2)|g' \
-             -e 's|@''GNULIB_PREAD''@|$(GNULIB_PREAD)|g' \
-             -e 's|@''GNULIB_PWRITE''@|$(GNULIB_PWRITE)|g' \
-             -e 's|@''GNULIB_READ''@|$(GNULIB_READ)|g' \
-             -e 's|@''GNULIB_READLINK''@|$(GNULIB_READLINK)|g' \
-             -e 's|@''GNULIB_READLINKAT''@|$(GNULIB_READLINKAT)|g' \
-             -e 's|@''GNULIB_RMDIR''@|$(GNULIB_RMDIR)|g' \
-             -e 's|@''GNULIB_SLEEP''@|$(GNULIB_SLEEP)|g' \
-             -e 's|@''GNULIB_SYMLINK''@|$(GNULIB_SYMLINK)|g' \
-             -e 's|@''GNULIB_SYMLINKAT''@|$(GNULIB_SYMLINKAT)|g' \
-             -e 's|@''GNULIB_TTYNAME_R''@|$(GNULIB_TTYNAME_R)|g' \
-             -e 's|@''GNULIB_UNISTD_H_GETOPT''@|$(GNULIB_UNISTD_H_GETOPT)|g' \
-             -e 
's|@''GNULIB_UNISTD_H_NONBLOCKING''@|$(GNULIB_UNISTD_H_NONBLOCKING)|g' \
-             -e 's|@''GNULIB_UNISTD_H_SIGPIPE''@|$(GNULIB_UNISTD_H_SIGPIPE)|g' 
\
-             -e 's|@''GNULIB_UNLINK''@|$(GNULIB_UNLINK)|g' \
-             -e 's|@''GNULIB_UNLINKAT''@|$(GNULIB_UNLINKAT)|g' \
-             -e 's|@''GNULIB_USLEEP''@|$(GNULIB_USLEEP)|g' \
-             -e 's|@''GNULIB_WRITE''@|$(GNULIB_WRITE)|g' \
+             -e 's/@''GNULIB_CHOWN''@/$(GNULIB_CHOWN)/g' \
+             -e 's/@''GNULIB_CLOSE''@/$(GNULIB_CLOSE)/g' \
+             -e 's/@''GNULIB_DUP2''@/$(GNULIB_DUP2)/g' \
+             -e 's/@''GNULIB_DUP3''@/$(GNULIB_DUP3)/g' \
+             -e 's/@''GNULIB_ENVIRON''@/$(GNULIB_ENVIRON)/g' \
+             -e 's/@''GNULIB_EUIDACCESS''@/$(GNULIB_EUIDACCESS)/g' \
+             -e 's/@''GNULIB_FACCESSAT''@/$(GNULIB_FACCESSAT)/g' \
+             -e 's/@''GNULIB_FCHDIR''@/$(GNULIB_FCHDIR)/g' \
+             -e 's/@''GNULIB_FCHOWNAT''@/$(GNULIB_FCHOWNAT)/g' \
+             -e 's/@''GNULIB_FSYNC''@/$(GNULIB_FSYNC)/g' \
+             -e 's/@''GNULIB_FTRUNCATE''@/$(GNULIB_FTRUNCATE)/g' \
+             -e 's/@''GNULIB_GETCWD''@/$(GNULIB_GETCWD)/g' \
+             -e 's/@''GNULIB_GETDOMAINNAME''@/$(GNULIB_GETDOMAINNAME)/g' \
+             -e 's/@''GNULIB_GETDTABLESIZE''@/$(GNULIB_GETDTABLESIZE)/g' \
+             -e 's/@''GNULIB_GETGROUPS''@/$(GNULIB_GETGROUPS)/g' \
+             -e 's/@''GNULIB_GETHOSTNAME''@/$(GNULIB_GETHOSTNAME)/g' \
+             -e 's/@''GNULIB_GETLOGIN''@/$(GNULIB_GETLOGIN)/g' \
+             -e 's/@''GNULIB_GETLOGIN_R''@/$(GNULIB_GETLOGIN_R)/g' \
+             -e 's/@''GNULIB_GETPAGESIZE''@/$(GNULIB_GETPAGESIZE)/g' \
+             -e 's/@''GNULIB_GETUSERSHELL''@/$(GNULIB_GETUSERSHELL)/g' \
+             -e 's/@''GNULIB_GROUP_MEMBER''@/$(GNULIB_GROUP_MEMBER)/g' \
+             -e 's/@''GNULIB_LCHOWN''@/$(GNULIB_LCHOWN)/g' \
+             -e 's/@''GNULIB_LINK''@/$(GNULIB_LINK)/g' \
+             -e 's/@''GNULIB_LINKAT''@/$(GNULIB_LINKAT)/g' \
+             -e 's/@''GNULIB_LSEEK''@/$(GNULIB_LSEEK)/g' \
+             -e 's/@''GNULIB_PIPE''@/$(GNULIB_PIPE)/g' \
+             -e 's/@''GNULIB_PIPE2''@/$(GNULIB_PIPE2)/g' \
+             -e 's/@''GNULIB_PREAD''@/$(GNULIB_PREAD)/g' \
+             -e 's/@''GNULIB_PWRITE''@/$(GNULIB_PWRITE)/g' \
+             -e 's/@''GNULIB_READ''@/$(GNULIB_READ)/g' \
+             -e 's/@''GNULIB_READLINK''@/$(GNULIB_READLINK)/g' \
+             -e 's/@''GNULIB_READLINKAT''@/$(GNULIB_READLINKAT)/g' \
+             -e 's/@''GNULIB_RMDIR''@/$(GNULIB_RMDIR)/g' \
+             -e 's/@''GNULIB_SLEEP''@/$(GNULIB_SLEEP)/g' \
+             -e 's/@''GNULIB_SYMLINK''@/$(GNULIB_SYMLINK)/g' \
+             -e 's/@''GNULIB_SYMLINKAT''@/$(GNULIB_SYMLINKAT)/g' \
+             -e 's/@''GNULIB_TTYNAME_R''@/$(GNULIB_TTYNAME_R)/g' \
+             -e 's/@''GNULIB_UNISTD_H_GETOPT''@/$(GNULIB_UNISTD_H_GETOPT)/g' \
+             -e 
's/@''GNULIB_UNISTD_H_NONBLOCKING''@/$(GNULIB_UNISTD_H_NONBLOCKING)/g' \
+             -e 's/@''GNULIB_UNISTD_H_SIGPIPE''@/$(GNULIB_UNISTD_H_SIGPIPE)/g' 
\
+             -e 's/@''GNULIB_UNLINK''@/$(GNULIB_UNLINK)/g' \
+             -e 's/@''GNULIB_UNLINKAT''@/$(GNULIB_UNLINKAT)/g' \
+             -e 's/@''GNULIB_USLEEP''@/$(GNULIB_USLEEP)/g' \
+             -e 's/@''GNULIB_WRITE''@/$(GNULIB_WRITE)/g' \
              < $(srcdir)/unistd.in.h | \
          sed -e 's|@''HAVE_CHOWN''@|$(HAVE_CHOWN)|g' \
              -e 's|@''HAVE_DUP2''@|$(HAVE_DUP2)|g' \
@@ -690,6 +777,7 @@ unistd.h: unistd.in.h $(top_builddir)/config.status 
$(CXXDEFS_H) $(ARG_NONNULL_H
              -e 's|@''HAVE_GETHOSTNAME''@|$(HAVE_GETHOSTNAME)|g' \
              -e 's|@''HAVE_GETLOGIN''@|$(HAVE_GETLOGIN)|g' \
              -e 's|@''HAVE_GETPAGESIZE''@|$(HAVE_GETPAGESIZE)|g' \
+             -e 's|@''HAVE_GROUP_MEMBER''@|$(HAVE_GROUP_MEMBER)|g' \
              -e 's|@''HAVE_LCHOWN''@|$(HAVE_LCHOWN)|g' \
              -e 's|@''HAVE_LINK''@|$(HAVE_LINK)|g' \
              -e 's|@''HAVE_LINKAT''@|$(HAVE_LINKAT)|g' \
@@ -786,25 +874,6 @@ libgnu_la_SOURCES += version-etc-fsf.c
 
 ## end   gnulib module version-etc-fsf
 
-## begin gnulib module warn-on-use
-
-BUILT_SOURCES += warn-on-use.h
-# The warn-on-use.h that gets inserted into generated .h files is the same as
-# build-aux/warn-on-use.h, except that it has the copyright header cut off.
-warn-on-use.h: $(top_srcdir)/build-aux/warn-on-use.h
-       $(AM_V_GEN)rm -f address@hidden $@ && \
-       sed -n -e '/^.ifndef/,$$p' \
-         < $(top_srcdir)/build-aux/warn-on-use.h \
-         > address@hidden && \
-       mv address@hidden $@
-MOSTLYCLEANFILES += warn-on-use.h warn-on-use.h-t
-
-WARN_ON_USE_H=warn-on-use.h
-
-EXTRA_DIST += $(top_srcdir)/build-aux/warn-on-use.h
-
-## end   gnulib module warn-on-use
-
 
 mostlyclean-local: mostlyclean-generic
        @for dir in '' $(MOSTLYCLEANDIRS); do \
diff --git a/gl/errno.in.h b/gl/errno.in.h
new file mode 100644
index 0000000..a63b92a
--- /dev/null
+++ b/gl/errno.in.h
@@ -0,0 +1,167 @@
+/* A POSIX-like <errno.h>.
+
+   Copyright (C) 2008-2011 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, 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, write to the Free Software Foundation,
+   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
+
+#ifndef address@hidden@_ERRNO_H
+
+#if __GNUC__ >= 3
address@hidden@
+#endif
address@hidden@
+
+/* The include_next requires a split double-inclusion guard.  */
address@hidden@ @NEXT_ERRNO_H@
+
+#ifndef address@hidden@_ERRNO_H
+#define address@hidden@_ERRNO_H
+
+
+/* On native Windows platforms, many macros are not defined.  */
+# if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
+
+/* POSIX says that EAGAIN and EWOULDBLOCK may have the same value.  */
+#  define EWOULDBLOCK     EAGAIN
+
+/* Values >= 100 seem safe to use.  */
+#  define ETXTBSY   100
+#  define GNULIB_defined_ETXTBSY 1
+
+/* These are intentionally the same values as the WSA* error numbers, defined
+   in <winsock2.h>.  */
+#  define EINPROGRESS     10036
+#  define EALREADY        10037
+#  define ENOTSOCK        10038
+#  define EDESTADDRREQ    10039
+#  define EMSGSIZE        10040
+#  define EPROTOTYPE      10041
+#  define ENOPROTOOPT     10042
+#  define EPROTONOSUPPORT 10043
+#  define ESOCKTNOSUPPORT 10044  /* not required by POSIX */
+#  define EOPNOTSUPP      10045
+#  define EPFNOSUPPORT    10046  /* not required by POSIX */
+#  define EAFNOSUPPORT    10047
+#  define EADDRINUSE      10048
+#  define EADDRNOTAVAIL   10049
+#  define ENETDOWN        10050
+#  define ENETUNREACH     10051
+#  define ENETRESET       10052
+#  define ECONNABORTED    10053
+#  define ECONNRESET      10054
+#  define ENOBUFS         10055
+#  define EISCONN         10056
+#  define ENOTCONN        10057
+#  define ESHUTDOWN       10058  /* not required by POSIX */
+#  define ETOOMANYREFS    10059  /* not required by POSIX */
+#  define ETIMEDOUT       10060
+#  define ECONNREFUSED    10061
+#  define ELOOP           10062
+#  define EHOSTDOWN       10064  /* not required by POSIX */
+#  define EHOSTUNREACH    10065
+#  define EPROCLIM        10067  /* not required by POSIX */
+#  define EUSERS          10068  /* not required by POSIX */
+#  define EDQUOT          10069
+#  define ESTALE          10070
+#  define EREMOTE         10071  /* not required by POSIX */
+#  define GNULIB_defined_ESOCK 1
+
+# endif
+
+
+/* On OSF/1 5.1, when _XOPEN_SOURCE_EXTENDED is not defined, the macros
+   EMULTIHOP, ENOLINK, EOVERFLOW are not defined.  */
+# if @EMULTIHOP_HIDDEN@
+#  define EMULTIHOP @EMULTIHOP_VALUE@
+#  define GNULIB_defined_EMULTIHOP 1
+# endif
+# if @ENOLINK_HIDDEN@
+#  define ENOLINK   @ENOLINK_VALUE@
+#  define GNULIB_defined_ENOLINK 1
+# endif
+# if @EOVERFLOW_HIDDEN@
+#  define EOVERFLOW @EOVERFLOW_VALUE@
+#  define GNULIB_defined_EOVERFLOW 1
+# endif
+
+
+/* On OpenBSD 4.0 and on native Windows, the macros ENOMSG, EIDRM, ENOLINK,
+   EPROTO, EMULTIHOP, EBADMSG, EOVERFLOW, ENOTSUP, ECANCELED are not defined.
+   Likewise, on NonStop Kernel, EDQUOT is not defined.
+   Define them here.  Values >= 2000 seem safe to use: Solaris ESTALE = 151,
+   HP-UX EWOULDBLOCK = 246, IRIX EDQUOT = 1133.
+
+   Note: When one of these systems defines some of these macros some day,
+   binaries will have to be recompiled so that they recognizes the new
+   errno values from the system.  */
+
+# ifndef ENOMSG
+#  define ENOMSG    2000
+#  define GNULIB_defined_ENOMSG 1
+# endif
+
+# ifndef EIDRM
+#  define EIDRM     2001
+#  define GNULIB_defined_EIDRM 1
+# endif
+
+# ifndef ENOLINK
+#  define ENOLINK   2002
+#  define GNULIB_defined_ENOLINK 1
+# endif
+
+# ifndef EPROTO
+#  define EPROTO    2003
+#  define GNULIB_defined_EPROTO 1
+# endif
+
+# ifndef EMULTIHOP
+#  define EMULTIHOP 2004
+#  define GNULIB_defined_EMULTIHOP 1
+# endif
+
+# ifndef EBADMSG
+#  define EBADMSG   2005
+#  define GNULIB_defined_EBADMSG 1
+# endif
+
+# ifndef EOVERFLOW
+#  define EOVERFLOW 2006
+#  define GNULIB_defined_EOVERFLOW 1
+# endif
+
+# ifndef ENOTSUP
+#  define ENOTSUP   2007
+#  define GNULIB_defined_ENOTSUP 1
+# endif
+
+# ifndef ESTALE
+#  define ESTALE    2009
+#  define GNULIB_defined_ESTALE 1
+# endif
+
+# ifndef EDQUOT
+#  define EDQUOT 2010
+#  define GNULIB_defined_EDQUOT 1
+# endif
+
+# ifndef ECANCELED
+#  define ECANCELED 2008
+#  define GNULIB_defined_ECANCELED 1
+# endif
+
+
+#endif /* address@hidden@_ERRNO_H */
+#endif /* address@hidden@_ERRNO_H */
diff --git a/gl/version-etc-fsf.c b/gl/ftell.c
similarity index 60%
copy from gl/version-etc-fsf.c
copy to gl/ftell.c
index c821583..79083fb 100644
--- a/gl/version-etc-fsf.c
+++ b/gl/ftell.c
@@ -1,5 +1,5 @@
-/* Variable with FSF copyright information, for version-etc.
-   Copyright (C) 1999-2006, 2009-2011 Free Software Foundation, Inc.
+/* An ftell() function that works around platform bugs.
+   Copyright (C) 2007-2011 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
@@ -14,17 +14,25 @@
    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
-/* Written by Jim Meyering. */
-
 #include <config.h>
 
 /* Specification.  */
-#include "version-etc.h"
-
-/* Default copyright goes to the FSF. */
-
-const char version_etc_copyright[] =
-  /* Do *not* mark this string for translation.  %s is a copyright
-     symbol suitable for this locale, and %d is the copyright
-     year.  */
-  "Copyright %s %d Free Software Foundation, Inc.";
+#include <stdio.h>
+
+#include <errno.h>
+/* Get off_t.  */
+#include <unistd.h>
+
+long
+ftell (FILE *fp)
+{
+  /* Use the replacement ftello function with all its workarounds.  */
+  off_t offset = ftello (fp);
+  if (offset == (long)offset)
+    return (long)offset;
+  else
+    {
+      errno = EOVERFLOW;
+      return -1;
+    }
+}
diff --git a/gl/getopt.c b/gl/getopt.c
index c8b3013..7c9f704 100644
--- a/gl/getopt.c
+++ b/gl/getopt.c
@@ -479,23 +479,28 @@ _getopt_internal_r (int argc, char **argv, const char 
*optstring,
                             || !strchr (optstring, argv[d->optind][1])))))
     {
       char *nameend;
+      unsigned int namelen;
       const struct option *p;
       const struct option *pfound = NULL;
+      struct option_list
+      {
+        const struct option *p;
+        struct option_list *next;
+      } *ambig_list = NULL;
       int exact = 0;
-      int ambig = 0;
       int indfound = -1;
       int option_index;
 
       for (nameend = d->__nextchar; *nameend && *nameend != '='; nameend++)
         /* Do nothing.  */ ;
+      namelen = nameend - d->__nextchar;
 
       /* Test all long options for either exact match
          or abbreviated matches.  */
       for (p = longopts, option_index = 0; p->name; p++, option_index++)
-        if (!strncmp (p->name, d->__nextchar, nameend - d->__nextchar))
+        if (!strncmp (p->name, d->__nextchar, namelen))
           {
-            if ((unsigned int) (nameend - d->__nextchar)
-                == (unsigned int) strlen (p->name))
+            if (namelen == (unsigned int) strlen (p->name))
               {
                 /* Exact match found.  */
                 pfound = p;
@@ -513,35 +518,71 @@ _getopt_internal_r (int argc, char **argv, const char 
*optstring,
                      || pfound->has_arg != p->has_arg
                      || pfound->flag != p->flag
                      || pfound->val != p->val)
-              /* Second or later nonexact match found.  */
-              ambig = 1;
+              {
+                /* Second or later nonexact match found.  */
+                struct option_list *newp = malloc (sizeof (*newp));
+                newp->p = p;
+                newp->next = ambig_list;
+                ambig_list = newp;
+              }
           }
 
-      if (ambig && !exact)
+      if (ambig_list != NULL && !exact)
         {
           if (print_errors)
             {
+              struct option_list first;
+              first.p = pfound;
+              first.next = ambig_list;
+              ambig_list = &first;
+
 #if defined _LIBC && defined USE_IN_LIBIO
-              char *buf;
+              char *buf = NULL;
+              size_t buflen = 0;
 
-              if (__asprintf (&buf, _("%s: option '%s' is ambiguous\n"),
-                              argv[0], argv[d->optind]) >= 0)
+              FILE *fp = open_memstream (&buf, &buflen);
+              if (fp != NULL)
                 {
-                  _IO_flockfile (stderr);
+                  fprintf (fp,
+                           _("%s: option '%s' is ambiguous; possibilities:"),
+                           argv[0], argv[d->optind]);
 
-                  int old_flags2 = ((_IO_FILE *) stderr)->_flags2;
-                  ((_IO_FILE *) stderr)->_flags2 |= _IO_FLAGS2_NOTCANCEL;
+                  do
+                    {
+                      fprintf (fp, " '--%s'", ambig_list->p->name);
+                      ambig_list = ambig_list->next;
+                    }
+                  while (ambig_list != NULL);
 
-                  __fxprintf (NULL, "%s", buf);
+                  fputc_unlocked ('\n', fp);
 
-                  ((_IO_FILE *) stderr)->_flags2 = old_flags2;
-                  _IO_funlockfile (stderr);
+                  if (__builtin_expect (fclose (fp) != EOF, 1))
+                    {
+                      _IO_flockfile (stderr);
 
-                  free (buf);
+                      int old_flags2 = ((_IO_FILE *) stderr)->_flags2;
+                      ((_IO_FILE *) stderr)->_flags2 |= _IO_FLAGS2_NOTCANCEL;
+
+                      __fxprintf (NULL, "%s", buf);
+
+                      ((_IO_FILE *) stderr)->_flags2 = old_flags2;
+                      _IO_funlockfile (stderr);
+
+                      free (buf);
+                    }
                 }
 #else
-              fprintf (stderr, _("%s: option '%s' is ambiguous\n"),
+              fprintf (stderr,
+                       _("%s: option '%s' is ambiguous; possibilities:"),
                        argv[0], argv[d->optind]);
+              do
+                {
+                  fprintf (stderr, " '--%s'", ambig_list->p->name);
+                  ambig_list = ambig_list->next;
+                }
+              while (ambig_list != NULL);
+
+              fputc ('\n', stderr);
 #endif
             }
           d->__nextchar += strlen (d->__nextchar);
@@ -550,6 +591,13 @@ _getopt_internal_r (int argc, char **argv, const char 
*optstring,
           return '?';
         }
 
+      while (ambig_list != NULL)
+        {
+          struct option_list *pn = ambig_list->next;
+          free (ambig_list);
+          ambig_list = pn;
+        }
+
       if (pfound != NULL)
         {
           option_index = indfound;
@@ -791,6 +839,9 @@ _getopt_internal_r (int argc, char **argv, const char 
*optstring,
         int indfound = 0;
         int option_index;
 
+        if (longopts == NULL)
+          goto no_longs;
+
         /* This is an option that requires an argument.  */
         if (*d->__nextchar != '\0')
           {
@@ -998,8 +1049,10 @@ _getopt_internal_r (int argc, char **argv, const char 
*optstring,
               }
             return pfound->val;
           }
-          d->__nextchar = NULL;
-          return 'W';   /* Let the application handle it.   */
+
+      no_longs:
+        d->__nextchar = NULL;
+        return 'W';   /* Let the application handle it.   */
       }
     if (temp[1] == ':')
       {
diff --git a/gl/getopt.in.h b/gl/getopt.in.h
index 82e2937..0f3918a 100644
--- a/gl/getopt.in.h
+++ b/gl/getopt.in.h
@@ -16,7 +16,7 @@
    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
-#ifndef _GL_GETOPT_H
+#ifndef address@hidden@_GETOPT_H
 
 #if __GNUC__ >= 3
 @PRAGMA_SYSTEM_HEADER@
@@ -32,10 +32,10 @@
 # undef _GL_SYSTEM_GETOPT
 #endif
 
-#ifndef _GL_GETOPT_H
+#ifndef address@hidden@_GETOPT_H
 
 #ifndef __need_getopt
-# define _GL_GETOPT_H 1
+# define address@hidden@_GETOPT_H 1
 #endif
 
 /* Standalone applications should #define __GETOPT_PREFIX to an
@@ -249,5 +249,5 @@ extern int getopt_long_only (int ___argc, char 
*__getopt_argv_const *___argv,
 /* Make sure we later can get all the definitions and declarations.  */
 #undef __need_getopt
 
-#endif /* getopt.h */
-#endif /* getopt.h */
+#endif /* address@hidden@_GETOPT_H */
+#endif /* address@hidden@_GETOPT_H */
diff --git a/gl/m4/errno_h.m4 b/gl/m4/errno_h.m4
new file mode 100644
index 0000000..a6d37f3
--- /dev/null
+++ b/gl/m4/errno_h.m4
@@ -0,0 +1,119 @@
+# errno_h.m4 serial 9
+dnl Copyright (C) 2004, 2006, 2008-2011 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_ONCE([gl_HEADER_ERRNO_H],
+[
+  AC_REQUIRE([AC_PROG_CC])
+  AC_CACHE_CHECK([for complete errno.h], [gl_cv_header_errno_h_complete], [
+    AC_EGREP_CPP([booboo],[
+#include <errno.h>
+#if !defined ENOMSG
+booboo
+#endif
+#if !defined EIDRM
+booboo
+#endif
+#if !defined ENOLINK
+booboo
+#endif
+#if !defined EPROTO
+booboo
+#endif
+#if !defined EMULTIHOP
+booboo
+#endif
+#if !defined EBADMSG
+booboo
+#endif
+#if !defined EOVERFLOW
+booboo
+#endif
+#if !defined ENOTSUP
+booboo
+#endif
+#if !defined ESTALE
+booboo
+#endif
+#if !defined EDQUOT
+booboo
+#endif
+#if !defined ECANCELED
+booboo
+#endif
+      ],
+      [gl_cv_header_errno_h_complete=no],
+      [gl_cv_header_errno_h_complete=yes])
+  ])
+  if test $gl_cv_header_errno_h_complete = yes; then
+    ERRNO_H=''
+  else
+    gl_NEXT_HEADERS([errno.h])
+    ERRNO_H='errno.h'
+  fi
+  AC_SUBST([ERRNO_H])
+  AM_CONDITIONAL([GL_GENERATE_ERRNO_H], [test -n "$ERRNO_H"])
+  gl_REPLACE_ERRNO_VALUE([EMULTIHOP])
+  gl_REPLACE_ERRNO_VALUE([ENOLINK])
+  gl_REPLACE_ERRNO_VALUE([EOVERFLOW])
+])
+
+# Assuming $1 = EOVERFLOW.
+# The EOVERFLOW errno value ought to be defined in <errno.h>, according to
+# POSIX.  But some systems (like OpenBSD 4.0 or AIX 3) don't define it, and
+# some systems (like OSF/1) define it when _XOPEN_SOURCE_EXTENDED is defined.
+# Check for the value of EOVERFLOW.
+# Set the variables EOVERFLOW_HIDDEN and EOVERFLOW_VALUE.
+AC_DEFUN([gl_REPLACE_ERRNO_VALUE],
+[
+  if test -n "$ERRNO_H"; then
+    AC_CACHE_CHECK([for ]$1[ value], [gl_cv_header_errno_h_]$1, [
+      AC_EGREP_CPP([yes],[
+#include <errno.h>
+#ifdef ]$1[
+yes
+#endif
+      ],
+      [gl_cv_header_errno_h_]$1[=yes],
+      [gl_cv_header_errno_h_]$1[=no])
+      if test $gl_cv_header_errno_h_]$1[ = no; then
+        AC_EGREP_CPP([yes],[
+#define _XOPEN_SOURCE_EXTENDED 1
+#include <errno.h>
+#ifdef ]$1[
+yes
+#endif
+          ], [gl_cv_header_errno_h_]$1[=hidden])
+        if test $gl_cv_header_errno_h_]$1[ = hidden; then
+          dnl The macro exists but is hidden.
+          dnl Define it to the same value.
+          AC_COMPUTE_INT([gl_cv_header_errno_h_]$1, $1, [
+#define _XOPEN_SOURCE_EXTENDED 1
+#include <errno.h>
+/* The following two lines are a workaround against an autoconf-2.52 bug.  */
+#include <stdio.h>
+#include <stdlib.h>
+])
+        fi
+      fi
+    ])
+    case $gl_cv_header_errno_h_]$1[ in
+      yes | no)
+        ]$1[_HIDDEN=0; ]$1[_VALUE=
+        ;;
+      *)
+        ]$1[_HIDDEN=1; ]$1[_VALUE="$gl_cv_header_errno_h_]$1["
+        ;;
+    esac
+    AC_SUBST($1[_HIDDEN])
+    AC_SUBST($1[_VALUE])
+  fi
+])
+
+dnl Autoconf >= 2.61 has AC_COMPUTE_INT built-in.
+dnl Remove this when we can assume autoconf >= 2.61.
+m4_ifdef([AC_COMPUTE_INT], [], [
+  AC_DEFUN([AC_COMPUTE_INT], [_AC_COMPUTE_INT([$2],[$1],[$3],[$4])])
+])
diff --git a/gl/m4/fseeko.m4 b/gl/m4/fseeko.m4
index 76507d1..391948d 100644
--- a/gl/m4/fseeko.m4
+++ b/gl/m4/fseeko.m4
@@ -1,4 +1,4 @@
-# fseeko.m4 serial 11
+# fseeko.m4 serial 15
 dnl Copyright (C) 2007-2011 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -7,28 +7,7 @@ dnl with or without modifications, as long as this notice is 
preserved.
 AC_DEFUN([gl_FUNC_FSEEKO],
 [
   AC_REQUIRE([gl_STDIO_H_DEFAULTS])
-  AC_REQUIRE([gl_HAVE_FSEEKO])
   AC_REQUIRE([gl_STDIN_LARGE_OFFSET])
-
-  AC_CHECK_DECLS_ONCE([fseeko])
-  if test $ac_cv_have_decl_fseeko = no; then
-    HAVE_DECL_FSEEKO=0
-  fi
-
-  if test $gl_cv_func_fseeko = no; then
-    HAVE_FSEEKO=0
-    gl_REPLACE_FSEEKO
-  else
-    if test $gl_cv_var_stdin_large_offset = no; then
-      gl_REPLACE_FSEEKO
-    fi
-  fi
-])
-
-dnl Tests whether fseeko is available.
-dnl Result is gl_cv_func_fseeko.
-AC_DEFUN([gl_HAVE_FSEEKO],
-[
   AC_REQUIRE([AC_PROG_CC])
 
   dnl Persuade glibc <stdio.h> to declare fseeko().
@@ -40,18 +19,25 @@ AC_DEFUN([gl_HAVE_FSEEKO],
 ]], [fseeko (stdin, 0, 0);])],
         [gl_cv_func_fseeko=yes], [gl_cv_func_fseeko=no])
     ])
-])
 
-AC_DEFUN([gl_REPLACE_FSEEKO],
-[
-  AC_REQUIRE([gl_STDIO_H_DEFAULTS])
-  AC_REQUIRE([gl_HAVE_FSEEKO])
-  if test $gl_cv_func_fseeko = yes; then
-    REPLACE_FSEEKO=1
+  AC_CHECK_DECLS_ONCE([fseeko])
+  if test $ac_cv_have_decl_fseeko = no; then
+    HAVE_DECL_FSEEKO=0
+  fi
+
+  if test $gl_cv_func_fseeko = no; then
+    HAVE_FSEEKO=0
+  else
+    if test $gl_cv_var_stdin_large_offset = no; then
+      REPLACE_FSEEKO=1
+    fi
+    m4_ifdef([gl_FUNC_FFLUSH_STDIN], [
+      gl_FUNC_FFLUSH_STDIN
+      if test $gl_cv_func_fflush_stdin = no; then
+        REPLACE_FSEEKO=1
+      fi
+    ])
   fi
-  AC_LIBOBJ([fseeko])
-  dnl If we are also using the fseek module, then fseek needs replacing, too.
-  m4_ifdef([gl_REPLACE_FSEEK], [gl_REPLACE_FSEEK])
 ])
 
 dnl Code shared by fseeko and ftello.  Determine if large files are supported,
diff --git a/gl/m4/ftell.m4 b/gl/m4/ftell.m4
new file mode 100644
index 0000000..c529c50
--- /dev/null
+++ b/gl/m4/ftell.m4
@@ -0,0 +1,15 @@
+# ftell.m4 serial 3
+dnl Copyright (C) 2007, 2009-2011 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_FUNC_FTELL],
+[
+  AC_REQUIRE([gl_STDIO_H_DEFAULTS])
+  AC_REQUIRE([gl_FUNC_FTELLO])
+  dnl When ftello needs fixes, ftell needs them too.
+  if test $HAVE_FTELLO = 0 || test $REPLACE_FTELLO = 1; then
+    REPLACE_FTELL=1
+  fi
+])
diff --git a/gl/m4/ftello.m4 b/gl/m4/ftello.m4
index 599f8f2..10cf429 100644
--- a/gl/m4/ftello.m4
+++ b/gl/m4/ftello.m4
@@ -1,4 +1,4 @@
-# ftello.m4 serial 9
+# ftello.m4 serial 10
 dnl Copyright (C) 2007-2011 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -124,12 +124,4 @@ main (void)
       esac
     fi
   fi
-  if test $HAVE_FTELLO = 0 || test $REPLACE_FTELLO = 1; then
-    gl_REPLACE_FTELLO
-  fi
-])
-
-AC_DEFUN([gl_REPLACE_FTELLO],
-[
-  AC_LIBOBJ([ftello])
 ])
diff --git a/gl/m4/getopt.m4 b/gl/m4/getopt.m4
index 035a530..7e49ddd 100644
--- a/gl/m4/getopt.m4
+++ b/gl/m4/getopt.m4
@@ -1,4 +1,4 @@
-# getopt.m4 serial 34
+# getopt.m4 serial 38
 dnl Copyright (C) 2002-2006, 2008-2011 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -9,10 +9,25 @@ AC_DEFUN([gl_FUNC_GETOPT_POSIX],
 [
   m4_divert_text([DEFAULTS], [gl_getopt_required=POSIX])
   AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
-  gl_GETOPT_IFELSE([
-    gl_REPLACE_GETOPT
-  ],
-  [])
+  dnl Other modules can request the gnulib implementation of the getopt
+  dnl functions unconditionally, by defining gl_REPLACE_GETOPT_ALWAYS.
+  dnl argp.m4 does this.
+  m4_ifdef([gl_REPLACE_GETOPT_ALWAYS], [
+    gl_GETOPT_IFELSE([], [])
+    REPLACE_GETOPT=1
+  ], [
+    REPLACE_GETOPT=0
+    gl_GETOPT_IFELSE([
+      REPLACE_GETOPT=1
+    ],
+    [])
+  ])
+  if test $REPLACE_GETOPT = 1; then
+    dnl Arrange for getopt.h to be created.
+    gl_GETOPT_SUBSTITUTE_HEADER
+    dnl Arrange for unistd.h to include getopt.h.
+    GNULIB_UNISTD_H_GETOPT=1
+  fi
 ])
 
 # Request a POSIX compliant getopt function with GNU extensions (such as
@@ -25,20 +40,6 @@ AC_DEFUN([gl_FUNC_GETOPT_GNU],
   AC_REQUIRE([gl_FUNC_GETOPT_POSIX])
 ])
 
-# Request the gnulib implementation of the getopt functions unconditionally.
-# argp.m4 uses this.
-AC_DEFUN([gl_REPLACE_GETOPT],
-[
-  dnl Arrange for getopt.h to be created.
-  gl_GETOPT_SUBSTITUTE_HEADER
-  dnl Arrange for unistd.h to include getopt.h.
-  GNULIB_UNISTD_H_GETOPT=1
-  dnl Arrange to compile the getopt implementation.
-  AC_LIBOBJ([getopt])
-  AC_LIBOBJ([getopt1])
-  gl_PREREQ_GETOPT
-])
-
 # emacs' configure.in uses this.
 AC_DEFUN([gl_GETOPT_IFELSE],
 [
@@ -88,15 +89,15 @@ AC_DEFUN([gl_GETOPT_CHECK_HEADERS],
     AC_CACHE_CHECK([whether getopt is POSIX compatible],
       [gl_cv_func_getopt_posix],
       [
-        dnl BSD getopt_long uses an incompatible method to reset
-        dnl option processing.  Existence of the variable, in and of
+        dnl BSD getopt_long uses an incompatible method to reset option
+        dnl processing.  Existence of the optreset variable, in and of
         dnl itself, is not a reason to replace getopt, but knowledge
         dnl of the variable is needed to determine how to reset and
         dnl whether a reset reparses the environment.  Solaris
         dnl supports neither optreset nor optind=0, but keeps no state
         dnl that needs a reset beyond setting optind=1; detect Solaris
         dnl by getopt_clip.
-        AC_COMPILE_IFELSE(
+        AC_LINK_IFELSE(
           [AC_LANG_PROGRAM(
              [[#include <unistd.h>]],
              [[int *p = &optreset; return optreset;]])],
@@ -120,22 +121,20 @@ int
 main ()
 {
   {
-    int argc = 0;
-    char *argv[10];
+    static char program[] = "program";
+    static char a[] = "-a";
+    static char foo[] = "foo";
+    static char bar[] = "bar";
+    char *argv[] = { program, a, foo, bar, NULL };
     int c;
 
-    argv[argc++] = "program";
-    argv[argc++] = "-a";
-    argv[argc++] = "foo";
-    argv[argc++] = "bar";
-    argv[argc] = NULL;
     optind = OPTIND_MIN;
     opterr = 0;
 
-    c = getopt (argc, argv, "ab");
+    c = getopt (4, argv, "ab");
     if (!(c == 'a'))
       return 1;
-    c = getopt (argc, argv, "ab");
+    c = getopt (4, argv, "ab");
     if (!(c == -1))
       return 2;
     if (!(optind == 2))
@@ -143,22 +142,20 @@ main ()
   }
   /* Some internal state exists at this point.  */
   {
-    int argc = 0;
-    char *argv[10];
+    static char program[] = "program";
+    static char donald[] = "donald";
+    static char p[] = "-p";
+    static char billy[] = "billy";
+    static char duck[] = "duck";
+    static char a[] = "-a";
+    static char bar[] = "bar";
+    char *argv[] = { program, donald, p, billy, duck, a, bar, NULL };
     int c;
 
-    argv[argc++] = "program";
-    argv[argc++] = "donald";
-    argv[argc++] = "-p";
-    argv[argc++] = "billy";
-    argv[argc++] = "duck";
-    argv[argc++] = "-a";
-    argv[argc++] = "bar";
-    argv[argc] = NULL;
     optind = OPTIND_MIN;
     opterr = 0;
 
-    c = getopt (argc, argv, "+abp:q:");
+    c = getopt (7, argv, "+abp:q:");
     if (!(c == -1))
       return 4;
     if (!(strcmp (argv[0], "program") == 0))
@@ -180,7 +177,9 @@ main ()
   }
   /* Detect MacOS 10.5, AIX 7.1 bug.  */
   {
-    char *argv[3] = { "program", "-ab", NULL };
+    static char program[] = "program";
+    static char ab[] = "-ab";
+    char *argv[3] = { program, ab, NULL };
     optind = OPTIND_MIN;
     opterr = 0;
     if (getopt (2, argv, "ab:") != 'a')
@@ -238,19 +237,22 @@ dnl is ambiguous with environment values that contain 
newlines.
                 and fails on MacOS X 10.5, AIX 5.2, HP-UX 11, IRIX 6.5,
                 OSF/1 5.1, Solaris 10.  */
              {
-               char *myargv[3];
-               myargv[0] = "conftest";
-               myargv[1] = "-+";
-               myargv[2] = 0;
+               static char conftest[] = "conftest";
+               static char plus[] = "-+";
+               char *argv[3] = { conftest, plus, NULL };
                opterr = 0;
-               if (getopt (2, myargv, "+a") != '?')
+               if (getopt (2, argv, "+a") != '?')
                  result |= 1;
              }
              /* This code succeeds on glibc 2.8, mingw,
                 and fails on MacOS X 10.5, OpenBSD 4.0, AIX 5.2, HP-UX 11,
                 IRIX 6.5, OSF/1 5.1, Solaris 10, Cygwin 1.5.x.  */
              {
-               char *argv[] = { "program", "-p", "foo", "bar", NULL };
+               static char program[] = "program";
+               static char p[] = "-p";
+               static char foo[] = "foo";
+               static char bar[] = "bar";
+               char *argv[] = { program, p, foo, bar, NULL };
 
                optind = 1;
                if (getopt (4, argv, "p::") != 'p')
@@ -264,7 +266,10 @@ dnl is ambiguous with environment values that contain 
newlines.
              }
              /* This code succeeds on glibc 2.8 and fails on Cygwin 1.7.0.  */
              {
-               char *argv[] = { "program", "foo", "-p", NULL };
+               static char program[] = "program";
+               static char foo[] = "foo";
+               static char p[] = "-p";
+               char *argv[] = { program, foo, p, NULL };
                optind = 0;
                if (getopt (3, argv, "-p") != 1)
                  result |= 16;
@@ -273,13 +278,26 @@ dnl is ambiguous with environment values that contain 
newlines.
              }
              /* This code fails on glibc 2.11.  */
              {
-               char *argv[] = { "program", "-b", "-a", NULL };
+               static char program[] = "program";
+               static char b[] = "-b";
+               static char a[] = "-a";
+               char *argv[] = { program, b, a, NULL };
                optind = opterr = 0;
                if (getopt (3, argv, "+:a:b") != 'b')
                  result |= 64;
                else if (getopt (3, argv, "+:a:b") != ':')
                  result |= 64;
              }
+             /* This code dumps core on glibc 2.14.  */
+             {
+               static char program[] = "program";
+               static char w[] = "-W";
+               static char dummy[] = "dummy";
+               char *argv[] = { program, w, dummy, NULL };
+               optind = opterr = 1;
+               if (getopt (3, argv, "W;") != 'W')
+                 result |= 128;
+             }
              return result;
            ]])],
         [gl_cv_func_getopt_gnu=yes],
diff --git a/gl/m4/gnulib-cache.m4 b/gl/m4/gnulib-cache.m4
index 6486ac9..de63961 100644
--- a/gl/m4/gnulib-cache.m4
+++ b/gl/m4/gnulib-cache.m4
@@ -15,7 +15,7 @@
 
 
 # Specification in the form of a command-line invocation:
-#   gnulib-tool --import --dir=. --local-dir=gl/override --lib=libgnu 
--source-base=gl --m4-base=gl/m4 --doc-base=doc --tests-base=tests 
--aux-dir=build-aux --libtool --macro-prefix=gl --no-vc-files autobuild fdl-1.3 
gendocs getopt-gnu maintainer-makefile manywarnings pmccabe2html progname 
read-file stdint update-copyright valgrind-tests version-etc-fsf warnings
+#   gnulib-tool --import --dir=. --local-dir=gl/override --lib=libgnu 
--source-base=gl --m4-base=gl/m4 --doc-base=doc --tests-base=tests 
--aux-dir=build-aux --no-conditional-dependencies --libtool --macro-prefix=gl 
--no-vc-files autobuild fdl-1.3 gendocs getopt-gnu maintainer-makefile 
manywarnings pmccabe2html progname read-file stdint update-copyright 
valgrind-tests version-etc-fsf warnings
 
 # Specification in the form of a few gnulib-tool.m4 macro invocations:
 gl_LOCAL_DIR([gl/override])
@@ -46,4 +46,5 @@ gl_MAKEFILE_NAME([])
 gl_LIBTOOL
 gl_MACRO_PREFIX([gl])
 gl_PO_DOMAIN([])
+gl_WITNESS_C_DOMAIN([])
 gl_VC_FILES([false])
diff --git a/gl/m4/gnulib-common.m4 b/gl/m4/gnulib-common.m4
index c4d7a20..6b5923a 100644
--- a/gl/m4/gnulib-common.m4
+++ b/gl/m4/gnulib-common.m4
@@ -1,4 +1,4 @@
-# gnulib-common.m4 serial 24
+# gnulib-common.m4 serial 28
 dnl Copyright (C) 2007-2011 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -12,6 +12,19 @@ AC_DEFUN([gl_COMMON], [
   AC_REQUIRE([gl_COMMON_BODY])
 ])
 AC_DEFUN([gl_COMMON_BODY], [
+  AH_VERBATIM([_Noreturn],
+[/* The _Noreturn keyword of draft C1X.  */
+#ifndef _Noreturn
+# if (3 <= __GNUC__ || (__GNUC__ == 2 && 8 <= __GNUC_MINOR__) \
+      || 0x5110 <= __SUNPRO_C)
+#  define _Noreturn __attribute__ ((__noreturn__))
+# elif 1200 <= _MSC_VER
+#  define _Noreturn __declspec (noreturn)
+# else
+#  define _Noreturn
+# endif
+#endif
+])
   AH_VERBATIM([isoc99_inline],
 [/* Work around a bug in Apple GCC 4.0.1 build 5465: In C99 mode, it supports
    the ISO C 99 semantics of 'extern inline' (unlike the GNU C semantics of
@@ -34,6 +47,20 @@ AC_DEFUN([gl_COMMON_BODY], [
 /* The name _UNUSED_PARAMETER_ is an earlier spelling, although the name
    is a misnomer outside of parameter lists.  */
 #define _UNUSED_PARAMETER_ _GL_UNUSED
+
+/* The __pure__ attribute was added in gcc 2.96.  */
+#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 96)
+# define _GL_ATTRIBUTE_PURE __attribute__ ((__pure__))
+#else
+# define _GL_ATTRIBUTE_PURE /* empty */
+#endif
+
+/* The __const__ attribute was added in gcc 2.95.  */
+#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95)
+# define _GL_ATTRIBUTE_CONST __attribute__ ((__const__))
+#else
+# define _GL_ATTRIBUTE_CONST /* empty */
+#endif
 ])
   dnl Preparation for running test programs:
   dnl Tell glibc to write diagnostics from -D_FORTIFY_SOURCE=2 to stderr, not
@@ -47,16 +74,49 @@ AC_DEFUN([gl_COMMON_BODY], [
 # expands to a C preprocessor expression that evaluates to 1 or 0, depending
 # whether a gnulib module that has been requested shall be considered present
 # or not.
-AC_DEFUN([gl_MODULE_INDICATOR_CONDITION], [1])
+m4_define([gl_MODULE_INDICATOR_CONDITION], [1])
 
 # gl_MODULE_INDICATOR_SET_VARIABLE([modulename])
 # sets the shell variable that indicates the presence of the given module to
 # a C preprocessor expression that will evaluate to 1.
 AC_DEFUN([gl_MODULE_INDICATOR_SET_VARIABLE],
 [
-  GNULIB_[]m4_translit([[$1]],
-    [abcdefghijklmnopqrstuvwxyz./-],
-    [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])=gl_MODULE_INDICATOR_CONDITION
+  gl_MODULE_INDICATOR_SET_VARIABLE_AUX(
+    [GNULIB_[]m4_translit([[$1]],
+                          [abcdefghijklmnopqrstuvwxyz./-],
+                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])],
+    [gl_MODULE_INDICATOR_CONDITION])
+])
+
+# gl_MODULE_INDICATOR_SET_VARIABLE_AUX([variable])
+# modifies the shell variable to include the gl_MODULE_INDICATOR_CONDITION.
+# The shell variable's value is a C preprocessor expression that evaluates
+# to 0 or 1.
+AC_DEFUN([gl_MODULE_INDICATOR_SET_VARIABLE_AUX],
+[
+  m4_if(m4_defn([gl_MODULE_INDICATOR_CONDITION]), [1],
+    [
+     dnl Simplify the expression VALUE || 1 to 1.
+     $1=1
+    ],
+    [gl_MODULE_INDICATOR_SET_VARIABLE_AUX_OR([$1],
+                                             [gl_MODULE_INDICATOR_CONDITION])])
+])
+
+# gl_MODULE_INDICATOR_SET_VARIABLE_AUX_OR([variable], [condition])
+# modifies the shell variable to include the given condition.  The shell
+# variable's value is a C preprocessor expression that evaluates to 0 or 1.
+AC_DEFUN([gl_MODULE_INDICATOR_SET_VARIABLE_AUX_OR],
+[
+  dnl Simplify the expression 1 || CONDITION to 1.
+  if test "$[]$1" != 1; then
+    dnl Simplify the expression 0 || CONDITION to CONDITION.
+    if test "$[]$1" = 0; then
+      $1=$2
+    else
+      $1="($[]$1 || $2)"
+    fi
+  fi
 ])
 
 # gl_MODULE_INDICATOR([modulename])
diff --git a/gl/m4/gnulib-comp.m4 b/gl/m4/gnulib-comp.m4
index 8be1edc..6b5ed3f 100644
--- a/gl/m4/gnulib-comp.m4
+++ b/gl/m4/gnulib-comp.m4
@@ -26,13 +26,13 @@ AC_DEFUN([gl_EARLY],
   m4_pattern_allow([^gl_LIBOBJS$])dnl a variable
   m4_pattern_allow([^gl_LTLIBOBJS$])dnl a variable
   AC_REQUIRE([AC_PROG_RANLIB])
-  # Code from module arg-nonnull:
   # Code from module autobuild:
   AB_INIT
-  # Code from module c++defs:
+  # Code from module errno:
   # Code from module extensions:
   AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
   # Code from module fdl-1.3:
+  # Code from module ftell:
   # Code from module ftello:
   AC_REQUIRE([AC_FUNC_FSEEKO])
   # Code from module gendocs:
@@ -50,6 +50,10 @@ AC_DEFUN([gl_EARLY],
   # Code from module progname:
   # Code from module read-file:
   # Code from module realloc-posix:
+  # 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 stdarg:
   dnl Some compilers (e.g., AIX 5.3 cc) need to be in c99 mode
   dnl for the builtin va_copy to work.  With Autoconf 2.60 or later,
@@ -69,7 +73,6 @@ AC_DEFUN([gl_EARLY],
   # Code from module vc-list-files:
   # Code from module version-etc:
   # Code from module version-etc-fsf:
-  # Code from module warn-on-use:
   # Code from module warnings:
 ])
 
@@ -87,11 +90,30 @@ AC_DEFUN([gl_INIT],
   m4_pushdef([gl_LIBSOURCES_DIR], [])
   gl_COMMON
   gl_source_base='gl'
+gl_HEADER_ERRNO_H
+gl_FUNC_FTELL
+if test $REPLACE_FTELL = 1; then
+  AC_LIBOBJ([ftell])
+fi
+gl_STDIO_MODULE_INDICATOR([ftell])
 gl_FUNC_FTELLO
+if test $HAVE_FTELLO = 0 || test $REPLACE_FTELLO = 1; then
+  AC_LIBOBJ([ftello])
+fi
 gl_STDIO_MODULE_INDICATOR([ftello])
 gl_FUNC_GETOPT_GNU
+if test $REPLACE_GETOPT = 1; then
+  AC_LIBOBJ([getopt])
+  AC_LIBOBJ([getopt1])
+  gl_PREREQ_GETOPT
+fi
 gl_MODULE_INDICATOR_FOR_TESTS([getopt-gnu])
 gl_FUNC_GETOPT_POSIX
+if test $REPLACE_GETOPT = 1; then
+  AC_LIBOBJ([getopt])
+  AC_LIBOBJ([getopt1])
+  gl_PREREQ_GETOPT
+fi
 AC_SUBST([LIBINTL])
 AC_SUBST([LTLIBINTL])
 # Autoconf 2.61a.99 and earlier don't support linking a file only
@@ -105,17 +127,26 @@ m4_if(m4_version_compare([2.61a.100],
       [AC_CONFIG_LINKS([$GNUmakefile:$GNUmakefile], [],
         [GNUmakefile=$GNUmakefile])])
 gl_FUNC_LSEEK
+if test $REPLACE_LSEEK = 1; then
+  AC_LIBOBJ([lseek])
+fi
 gl_UNISTD_MODULE_INDICATOR([lseek])
 AC_CONFIG_COMMANDS_PRE([m4_ifdef([AH_HEADER],
   [AC_SUBST([CONFIG_INCLUDE], m4_defn([AH_HEADER]))])])
 gl_FUNC_MALLOC_POSIX
+if test $REPLACE_MALLOC = 1; then
+  AC_LIBOBJ([malloc])
+fi
 gl_STDLIB_MODULE_INDICATOR([malloc-posix])
 gl_MULTIARCH
 AC_PATH_PROG([PMCCABE], [pmccabe], [false])
 AC_CHECK_DECLS([program_invocation_name], [], [], [#include <errno.h>])
 AC_CHECK_DECLS([program_invocation_short_name], [], [], [#include <errno.h>])
-gl_FUNC_READ_FILE
+gl_PREREQ_READ_FILE
 gl_FUNC_REALLOC_POSIX
+if test $REPLACE_REALLOC = 1; then
+  AC_LIBOBJ([realloc])
+fi
 gl_STDLIB_MODULE_INDICATOR([realloc-posix])
 gl_STDARG_H
 gl_STDDEF_H
@@ -266,17 +297,20 @@ AC_DEFUN([gltests_LIBSOURCES], [
 # This macro records the list of files which have been installed by
 # gnulib-tool and may be removed by future gnulib-tool invocations.
 AC_DEFUN([gl_FILE_LIST], [
-  build-aux/arg-nonnull.h
-  build-aux/c++defs.h
   build-aux/gendocs.sh
   build-aux/pmccabe.css
   build-aux/pmccabe2html
+  build-aux/snippet/_Noreturn.h
+  build-aux/snippet/arg-nonnull.h
+  build-aux/snippet/c++defs.h
+  build-aux/snippet/warn-on-use.h
   build-aux/update-copyright
   build-aux/useless-if-before-free
   build-aux/vc-list-files
-  build-aux/warn-on-use.h
   doc/fdl-1.3.texi
   doc/gendocs_template
+  lib/errno.in.h
+  lib/ftell.c
   lib/ftello.c
   lib/getopt.c
   lib/getopt.in.h
@@ -304,8 +338,10 @@ AC_DEFUN([gl_FILE_LIST], [
   lib/version-etc.h
   m4/00gnulib.m4
   m4/autobuild.m4
+  m4/errno_h.m4
   m4/extensions.m4
   m4/fseeko.m4
+  m4/ftell.m4
   m4/ftello.m4
   m4/getopt.m4
   m4/gnulib-common.m4
diff --git a/gl/m4/lseek.m4 b/gl/m4/lseek.m4
index f6452f6..b454884 100644
--- a/gl/m4/lseek.m4
+++ b/gl/m4/lseek.m4
@@ -1,4 +1,4 @@
-# lseek.m4 serial 6
+# lseek.m4 serial 7
 dnl Copyright (C) 2007, 2009-2011 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -35,15 +35,8 @@ AC_DEFUN([gl_FUNC_LSEEK],
          [gl_cv_func_lseek_pipe=yes], [gl_cv_func_lseek_pipe=no])
      fi])
   if test $gl_cv_func_lseek_pipe = no; then
-    gl_REPLACE_LSEEK
+    REPLACE_LSEEK=1
+    AC_DEFINE([LSEEK_PIPE_BROKEN], [1],
+      [Define to 1 if lseek does not detect pipes.])
   fi
 ])
-
-AC_DEFUN([gl_REPLACE_LSEEK],
-[
-  AC_LIBOBJ([lseek])
-  AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
-  REPLACE_LSEEK=1
-  AC_DEFINE([LSEEK_PIPE_BROKEN], [1],
-            [Define to 1 if lseek does not detect pipes.])
-])
diff --git a/gl/m4/malloc.m4 b/gl/m4/malloc.m4
index 8094444..87018ec 100644
--- a/gl/m4/malloc.m4
+++ b/gl/m4/malloc.m4
@@ -1,4 +1,4 @@
-# malloc.m4 serial 12
+# malloc.m4 serial 13
 dnl Copyright (C) 2007, 2009-2011 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -17,7 +17,7 @@ AC_DEFUN([gl_FUNC_MALLOC_GNU],
                [Define to 1 if your system has a GNU libc compatible 'malloc'
                 function, and to 0 otherwise.])],
     [AC_DEFINE([HAVE_MALLOC_GNU], [0])
-     gl_REPLACE_MALLOC
+     REPLACE_MALLOC=1
     ])
 ])
 
@@ -33,7 +33,7 @@ AC_DEFUN([gl_FUNC_MALLOC_POSIX],
     AC_DEFINE([HAVE_MALLOC_POSIX], [1],
       [Define if the 'malloc' function is POSIX compliant.])
   else
-    gl_REPLACE_MALLOC
+    REPLACE_MALLOC=1
   fi
 ])
 
@@ -58,9 +58,3 @@ AC_DEFUN([gl_CHECK_MALLOC_POSIX],
         [gl_cv_func_malloc_posix=no])
     ])
 ])
-
-AC_DEFUN([gl_REPLACE_MALLOC],
-[
-  AC_LIBOBJ([malloc])
-  REPLACE_MALLOC=1
-])
diff --git a/gl/m4/read-file.m4 b/gl/m4/read-file.m4
index 60d0360..93e0ac3 100644
--- a/gl/m4/read-file.m4
+++ b/gl/m4/read-file.m4
@@ -1,14 +1,8 @@
-# read-file.m4 serial 2
+# read-file.m4 serial 3
 dnl Copyright (C) 2002-2006, 2009-2011 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_FUNC_READ_FILE],
-[
-  AC_LIBOBJ([read-file])
-  gl_PREREQ_READ_FILE
-])
-
 # Prerequisites of lib/read-file.c.
 AC_DEFUN([gl_PREREQ_READ_FILE], [:])
diff --git a/gl/m4/realloc.m4 b/gl/m4/realloc.m4
index a403d9f..5cc1340 100644
--- a/gl/m4/realloc.m4
+++ b/gl/m4/realloc.m4
@@ -1,4 +1,4 @@
-# realloc.m4 serial 11
+# realloc.m4 serial 12
 dnl Copyright (C) 2007, 2009-2011 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -17,7 +17,7 @@ AC_DEFUN([gl_FUNC_REALLOC_GNU],
                [Define to 1 if your system has a GNU libc compatible 'realloc'
                 function, and to 0 otherwise.])],
     [AC_DEFINE([HAVE_REALLOC_GNU], [0])
-     gl_REPLACE_REALLOC
+     REPLACE_REALLOC=1
     ])
 ])# gl_FUNC_REALLOC_GNU
 
@@ -33,12 +33,6 @@ AC_DEFUN([gl_FUNC_REALLOC_POSIX],
     AC_DEFINE([HAVE_REALLOC_POSIX], [1],
       [Define if the 'realloc' function is POSIX compliant.])
   else
-    gl_REPLACE_REALLOC
+    REPLACE_REALLOC=1
   fi
 ])
-
-AC_DEFUN([gl_REPLACE_REALLOC],
-[
-  AC_LIBOBJ([realloc])
-  REPLACE_REALLOC=1
-])
diff --git a/gl/m4/stdint.m4 b/gl/m4/stdint.m4
index dff37fe..c75e957 100644
--- a/gl/m4/stdint.m4
+++ b/gl/m4/stdint.m4
@@ -1,4 +1,4 @@
-# stdint.m4 serial 40
+# stdint.m4 serial 41
 dnl Copyright (C) 2001-2011 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -7,7 +7,7 @@ dnl with or without modifications, as long as this notice is 
preserved.
 dnl From Paul Eggert and Bruno Haible.
 dnl Test whether <stdint.h> is supported or must be substituted.
 
-AC_DEFUN([gl_STDINT_H],
+AC_DEFUN_ONCE([gl_STDINT_H],
 [
   AC_PREREQ([2.59])dnl
 
diff --git a/gl/m4/unistd_h.m4 b/gl/m4/unistd_h.m4
index eeb3360..fb6fe07 100644
--- a/gl/m4/unistd_h.m4
+++ b/gl/m4/unistd_h.m4
@@ -1,4 +1,4 @@
-# unistd_h.m4 serial 55
+# unistd_h.m4 serial 56
 dnl Copyright (C) 2006-2011 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -36,8 +36,8 @@ AC_DEFUN([gl_UNISTD_H],
     ]], [chown dup2 dup3 environ euidaccess faccessat fchdir fchownat
     fsync ftruncate getcwd getdomainname getdtablesize getgroups
     gethostname getlogin getlogin_r getpagesize getusershell setusershell
-    endusershell lchown link linkat lseek pipe pipe2 pread pwrite readlink
-    readlinkat rmdir sleep symlink symlinkat ttyname_r unlink unlinkat
+    endusershell group_member lchown link linkat lseek pipe pipe2 pread pwrite
+    readlink readlinkat rmdir sleep symlink symlinkat ttyname_r unlink unlinkat
     usleep])
 ])
 
@@ -72,6 +72,7 @@ AC_DEFUN([gl_UNISTD_H_DEFAULTS],
   GNULIB_GETLOGIN_R=0;           AC_SUBST([GNULIB_GETLOGIN_R])
   GNULIB_GETPAGESIZE=0;          AC_SUBST([GNULIB_GETPAGESIZE])
   GNULIB_GETUSERSHELL=0;         AC_SUBST([GNULIB_GETUSERSHELL])
+  GNULIB_GROUP_MEMBER=0;         AC_SUBST([GNULIB_GROUP_MEMBER])
   GNULIB_LCHOWN=0;               AC_SUBST([GNULIB_LCHOWN])
   GNULIB_LINK=0;                 AC_SUBST([GNULIB_LINK])
   GNULIB_LINKAT=0;               AC_SUBST([GNULIB_LINKAT])
@@ -110,6 +111,7 @@ AC_DEFUN([gl_UNISTD_H_DEFAULTS],
   HAVE_GETHOSTNAME=1;     AC_SUBST([HAVE_GETHOSTNAME])
   HAVE_GETLOGIN=1;        AC_SUBST([HAVE_GETLOGIN])
   HAVE_GETPAGESIZE=1;     AC_SUBST([HAVE_GETPAGESIZE])
+  HAVE_GROUP_MEMBER=1;    AC_SUBST([HAVE_GROUP_MEMBER])
   HAVE_LCHOWN=1;          AC_SUBST([HAVE_LCHOWN])
   HAVE_LINK=1;            AC_SUBST([HAVE_LINK])
   HAVE_LINKAT=1;          AC_SUBST([HAVE_LINKAT])
diff --git a/gl/m4/warnings.m4 b/gl/m4/warnings.m4
index a8f3466..b2d1a29 100644
--- a/gl/m4/warnings.m4
+++ b/gl/m4/warnings.m4
@@ -1,4 +1,4 @@
-# warnings.m4 serial 2
+# warnings.m4 serial 3
 dnl Copyright (C) 2008-2011 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -21,12 +21,12 @@ m4_ifdef([AS_VAR_APPEND],
 AC_DEFUN([gl_WARN_ADD],
 [AS_VAR_PUSHDEF([gl_Warn], [gl_cv_warn_$1])dnl
 AC_CACHE_CHECK([whether compiler handles $1], [gl_Warn], [
-  save_CPPFLAGS="$CPPFLAGS"
+  gl_save_CPPFLAGS="$CPPFLAGS"
   CPPFLAGS="${CPPFLAGS} $1"
   AC_PREPROC_IFELSE([AC_LANG_PROGRAM([])],
                     [AS_VAR_SET([gl_Warn], [yes])],
                     [AS_VAR_SET([gl_Warn], [no])])
-  CPPFLAGS="$save_CPPFLAGS"
+  CPPFLAGS="$gl_save_CPPFLAGS"
 ])
 AS_VAR_PUSHDEF([gl_Flags], m4_if([$2], [], [[WARN_CFLAGS]], [[$2]]))dnl
 AS_VAR_IF([gl_Warn], [yes], [gl_AS_VAR_APPEND([gl_Flags], [" $1"])])
diff --git a/gl/stdarg.in.h b/gl/stdarg.in.h
index 4469d54..43f9607 100644
--- a/gl/stdarg.in.h
+++ b/gl/stdarg.in.h
@@ -15,7 +15,7 @@
    along with this program; if not, write to the Free Software Foundation,
    Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
 
-#ifndef _GL_STDARG_H
+#ifndef address@hidden@_STDARG_H
 
 #if __GNUC__ >= 3
 @PRAGMA_SYSTEM_HEADER@
@@ -25,12 +25,12 @@
 /* The include_next requires a split double-inclusion guard.  */
 address@hidden@ @NEXT_STDARG_H@
 
-#ifndef _GL_STDARG_H
-#define _GL_STDARG_H
+#ifndef address@hidden@_STDARG_H
+#define address@hidden@_STDARG_H
 
 #ifndef va_copy
 # define va_copy(a,b) ((a) = (b))
 #endif
 
-#endif /* _GL_STDARG_H */
-#endif /* _GL_STDARG_H */
+#endif /* address@hidden@_STDARG_H */
+#endif /* address@hidden@_STDARG_H */
diff --git a/gl/stddef.in.h b/gl/stddef.in.h
index 62a91a7..c7b98e7 100644
--- a/gl/stddef.in.h
+++ b/gl/stddef.in.h
@@ -38,9 +38,9 @@
    remember if special invocation has ever been used to obtain wint_t,
    in which case we need to clean up NULL yet again.  */
 
-# if !(defined _GL_STDDEF_H && defined _GL_STDDEF_WINT_T)
+# if !(defined address@hidden@_STDDEF_H && defined _GL_STDDEF_WINT_T)
 #  ifdef __need_wint_t
-#   undef _GL_STDDEF_H
+#   undef address@hidden@_STDDEF_H
 #   define _GL_STDDEF_WINT_T
 #  endif
 #  @INCLUDE_NEXT@ @NEXT_STDDEF_H@
@@ -49,14 +49,14 @@
 #else
 /* Normal invocation convention.  */
 
-# ifndef _GL_STDDEF_H
+# ifndef address@hidden@_STDDEF_H
 
 /* The include_next requires a split double-inclusion guard.  */
 
 #  @INCLUDE_NEXT@ @NEXT_STDDEF_H@
 
-#  ifndef _GL_STDDEF_H
-#   define _GL_STDDEF_H
+#  ifndef address@hidden@_STDDEF_H
+#   define address@hidden@_STDDEF_H
 
 /* On NetBSD 5.0, the definition of NULL lacks proper parentheses.  */
 #if @REPLACE_NULL@
@@ -82,6 +82,6 @@
 # define wchar_t int
 #endif
 
-#  endif /* _GL_STDDEF_H */
-# endif /* _GL_STDDEF_H */
+#  endif /* address@hidden@_STDDEF_H */
+# endif /* address@hidden@_STDDEF_H */
 #endif /* __need_XXX */
diff --git a/gl/stdint.in.h b/gl/stdint.in.h
index b32227b..b6d08c7 100644
--- a/gl/stdint.in.h
+++ b/gl/stdint.in.h
@@ -21,7 +21,7 @@
  * <http://www.opengroup.org/susv3xbd/stdint.h.html>
  */
 
-#ifndef _GL_STDINT_H
+#ifndef address@hidden@_STDINT_H
 
 #if __GNUC__ >= 3
 @PRAGMA_SYSTEM_HEADER@
@@ -52,13 +52,13 @@
   /* Other systems may have an incomplete or buggy <stdint.h>.
      Include it before <inttypes.h>, since any "#include <stdint.h>"
      in <inttypes.h> would reinclude us, skipping our contents because
-     _GL_STDINT_H is defined.
+     address@hidden@_STDINT_H is defined.
      The include_next requires a split double-inclusion guard.  */
 # @INCLUDE_NEXT@ @NEXT_STDINT_H@
 #endif
 
-#if ! defined _GL_STDINT_H && ! defined _GL_JUST_INCLUDE_SYSTEM_STDINT_H
-#define _GL_STDINT_H
+#if ! defined address@hidden@_STDINT_H && ! defined 
_GL_JUST_INCLUDE_SYSTEM_STDINT_H
+#define address@hidden@_STDINT_H
 
 /* <sys/types.h> defines some of the stdint.h types as well, on glibc,
    IRIX 6.5, and OpenBSD 3.8 (via <machine/types.h>).
@@ -93,7 +93,7 @@
 
 #undef _GL_JUST_INCLUDE_SYSTEM_INTTYPES_H
 
-/* Minimum and maximum values for a integer type under the usual assumption.
+/* Minimum and maximum values for an integer type under the usual assumption.
    Return an unspecified value if BITS == 0, adding a check to pacify
    picky compilers.  */
 
@@ -270,26 +270,36 @@ typedef unsigned long int gl_uintptr_t;
 /* Note: These types are compiler dependent. It may be unwise to use them in
    public header files. */
 
-#undef intmax_t
-#if @HAVE_LONG_LONG_INT@ && LONG_MAX >> 30 == 1
+/* If the system defines INTMAX_MAX, assume that intmax_t works, and
+   similarly for UINTMAX_MAX and uintmax_t.  This avoids problems with
+   assuming one type where another is used by the system.  */
+
+#ifndef INTMAX_MAX
+# undef INTMAX_C
+# undef intmax_t
+# if @HAVE_LONG_LONG_INT@ && LONG_MAX >> 30 == 1
 typedef long long int gl_intmax_t;
-# define intmax_t gl_intmax_t
-#elif defined GL_INT64_T
-# define intmax_t int64_t
-#else
+#  define intmax_t gl_intmax_t
+# elif defined GL_INT64_T
+#  define intmax_t int64_t
+# else
 typedef long int gl_intmax_t;
-# define intmax_t gl_intmax_t
+#  define intmax_t gl_intmax_t
+# endif
 #endif
 
-#undef uintmax_t
-#if @HAVE_UNSIGNED_LONG_LONG_INT@ && ULONG_MAX >> 31 == 1
+#ifndef UINTMAX_MAX
+# undef UINTMAX_C
+# undef uintmax_t
+# if @HAVE_UNSIGNED_LONG_LONG_INT@ && ULONG_MAX >> 31 == 1
 typedef unsigned long long int gl_uintmax_t;
-# define uintmax_t gl_uintmax_t
-#elif defined GL_UINT64_T
-# define uintmax_t uint64_t
-#else
+#  define uintmax_t gl_uintmax_t
+# elif defined GL_UINT64_T
+#  define uintmax_t uint64_t
+# else
 typedef unsigned long int gl_uintmax_t;
-# define uintmax_t gl_uintmax_t
+#  define uintmax_t gl_uintmax_t
+# endif
 #endif
 
 /* Verify that intmax_t and uintmax_t have the same size.  Too much code
@@ -431,21 +441,23 @@ typedef int _verify_intmax_size[sizeof (intmax_t) == 
sizeof (uintmax_t)
 
 /* 7.18.2.5. Limits of greatest-width integer types */
 
-#undef INTMAX_MIN
-#undef INTMAX_MAX
-#ifdef INT64_MAX
-# define INTMAX_MIN  INT64_MIN
-# define INTMAX_MAX  INT64_MAX
-#else
-# define INTMAX_MIN  INT32_MIN
-# define INTMAX_MAX  INT32_MAX
+#ifndef INTMAX_MAX
+# undef INTMAX_MIN
+# ifdef INT64_MAX
+#  define INTMAX_MIN  INT64_MIN
+#  define INTMAX_MAX  INT64_MAX
+# else
+#  define INTMAX_MIN  INT32_MIN
+#  define INTMAX_MAX  INT32_MAX
+# endif
 #endif
 
-#undef UINTMAX_MAX
-#ifdef UINT64_MAX
-# define UINTMAX_MAX  UINT64_MAX
-#else
-# define UINTMAX_MAX  UINT32_MAX
+#ifndef UINTMAX_MAX
+# ifdef UINT64_MAX
+#  define UINTMAX_MAX  UINT64_MAX
+# else
+#  define UINTMAX_MAX  UINT32_MAX
+# endif
 #endif
 
 /* 7.18.3. Limits of other integer types */
@@ -568,25 +580,27 @@ typedef int _verify_intmax_size[sizeof (intmax_t) == 
sizeof (uintmax_t)
 
 /* 7.18.4.2. Macros for greatest-width integer constants */
 
-#undef INTMAX_C
-#if @HAVE_LONG_LONG_INT@ && LONG_MAX >> 30 == 1
-# define INTMAX_C(x)   x##LL
-#elif defined GL_INT64_T
-# define INTMAX_C(x)   INT64_C(x)
-#else
-# define INTMAX_C(x)   x##L
+#ifndef INTMAX_C
+# if @HAVE_LONG_LONG_INT@ && LONG_MAX >> 30 == 1
+#  define INTMAX_C(x)   x##LL
+# elif defined GL_INT64_T
+#  define INTMAX_C(x)   INT64_C(x)
+# else
+#  define INTMAX_C(x)   x##L
+# endif
 #endif
 
-#undef UINTMAX_C
-#if @HAVE_UNSIGNED_LONG_LONG_INT@ && ULONG_MAX >> 31 == 1
-# define UINTMAX_C(x)  x##ULL
-#elif defined GL_UINT64_T
-# define UINTMAX_C(x)  UINT64_C(x)
-#else
-# define UINTMAX_C(x)  x##UL
+#ifndef UINTMAX_C
+# if @HAVE_UNSIGNED_LONG_LONG_INT@ && ULONG_MAX >> 31 == 1
+#  define UINTMAX_C(x)  x##ULL
+# elif defined GL_UINT64_T
+#  define UINTMAX_C(x)  UINT64_C(x)
+# else
+#  define UINTMAX_C(x)  x##UL
+# endif
 #endif
 
 #endif /* !defined __cplusplus || defined __STDC_CONSTANT_MACROS */
 
-#endif /* _GL_STDINT_H */
-#endif /* !defined _GL_STDINT_H && !defined _GL_JUST_INCLUDE_SYSTEM_STDINT_H */
+#endif /* address@hidden@_STDINT_H */
+#endif /* !defined address@hidden@_STDINT_H && !defined 
_GL_JUST_INCLUDE_SYSTEM_STDINT_H */
diff --git a/gl/stdio.in.h b/gl/stdio.in.h
index 0b85d0c..473c84c 100644
--- a/gl/stdio.in.h
+++ b/gl/stdio.in.h
@@ -35,7 +35,7 @@
 #else
 /* Normal invocation convention.  */
 
-#ifndef _GL_STDIO_H
+#ifndef address@hidden@_STDIO_H
 
 #define _GL_ALREADY_INCLUDING_STDIO_H
 
@@ -44,8 +44,8 @@
 
 #undef _GL_ALREADY_INCLUDING_STDIO_H
 
-#ifndef _GL_STDIO_H
-#define _GL_STDIO_H
+#ifndef address@hidden@_STDIO_H
+#define address@hidden@_STDIO_H
 
 /* Get va_list.  Needed on many systems, including glibc 2.8.  */
 #include <stdarg.h>
@@ -461,25 +461,6 @@ _GL_FUNCDECL_SYS (fseeko, int, (FILE *fp, off_t offset, 
int whence)
 _GL_CXXALIAS_SYS (fseeko, int, (FILE *fp, off_t offset, int whence));
 # endif
 _GL_CXXALIASWARN (fseeko);
-# if (@REPLACE_FSEEKO@ || address@hidden@) && address@hidden@
-   /* Provide an fseek function that is consistent with fseeko.  */
-   /* In order to avoid that fseek gets defined as a macro here, the
-      developer can request the 'fseek' module.  */
-#  if !GNULIB_defined_fseek_function
-#   undef fseek
-#   define fseek rpl_fseek
-static inline int _GL_ARG_NONNULL ((1))
-rpl_fseek (FILE *fp, long offset, int whence)
-{
-#   if @REPLACE_FSEEKO@
-  return rpl_fseeko (fp, offset, whence);
-#   else
-  return fseeko (fp, offset, whence);
-#   endif
-}
-#   define GNULIB_defined_fseek_function 1
-#  endif
-# endif
 #elif defined GNULIB_POSIXCHECK
 # define _GL_FSEEK_WARN /* Category 1, above.  */
 # undef fseek
@@ -539,25 +520,6 @@ _GL_FUNCDECL_SYS (ftello, off_t, (FILE *fp) 
_GL_ARG_NONNULL ((1)));
 _GL_CXXALIAS_SYS (ftello, off_t, (FILE *fp));
 # endif
 _GL_CXXALIASWARN (ftello);
-# if (@REPLACE_FTELLO@ || address@hidden@) && address@hidden@
-   /* Provide an ftell function that is consistent with ftello.  */
-   /* In order to avoid that ftell gets defined as a macro here, the
-      developer can request the 'ftell' module.  */
-#  if !GNULIB_defined_ftell_function
-#   undef ftell
-#   define ftell rpl_ftell
-static inline long _GL_ARG_NONNULL ((1))
-rpl_ftell (FILE *f)
-{
-#   if @REPLACE_FTELLO@
-  return rpl_ftello (f);
-#   else
-  return ftello (f);
-#   endif
-}
-#   define GNULIB_defined_ftell_function 1
-#  endif
-# endif
 #elif defined GNULIB_POSIXCHECK
 # define _GL_FTELL_WARN /* Category 1, above.  */
 # undef ftell
@@ -1345,6 +1307,6 @@ _GL_WARN_ON_USE (vsprintf, "vsprintf is not always POSIX 
compliant - "
 #endif
 
 
-#endif /* _GL_STDIO_H */
-#endif /* _GL_STDIO_H */
+#endif /* address@hidden@_STDIO_H */
+#endif /* address@hidden@_STDIO_H */
 #endif
diff --git a/gl/stdlib.in.h b/gl/stdlib.in.h
index 7513553..047fac1 100644
--- a/gl/stdlib.in.h
+++ b/gl/stdlib.in.h
@@ -28,13 +28,13 @@
 #else
 /* Normal invocation convention.  */
 
-#ifndef _GL_STDLIB_H
+#ifndef address@hidden@_STDLIB_H
 
 /* The include_next requires a split double-inclusion guard.  */
 address@hidden@ @NEXT_STDLIB_H@
 
-#ifndef _GL_STDLIB_H
-#define _GL_STDLIB_H
+#ifndef address@hidden@_STDLIB_H
+#define address@hidden@_STDLIB_H
 
 /* NetBSD 5.0 mis-defines NULL.  */
 #include <stddef.h>
@@ -89,11 +89,7 @@ struct random_data
 # include <unistd.h>
 #endif
 
-#if 3 <= __GNUC__ || __GNUC__ == 2 && 8 <= __GNUC_MINOR__
-# define _GL_ATTRIBUTE_NORETURN __attribute__ ((__noreturn__))
-#else
-# define _GL_ATTRIBUTE_NORETURN
-#endif
+/* The definition of _Noreturn is copied here.  */
 
 /* The definitions of _GL_FUNCDECL_RPL etc. are copied here.  */
 
@@ -120,7 +116,7 @@ struct random_data
 /* Terminate the current process with the given return code, without running
    the 'atexit' handlers.  */
 # if address@hidden@
-_GL_FUNCDECL_SYS (_Exit, void, (int status) _GL_ATTRIBUTE_NORETURN);
+_GL_FUNCDECL_SYS (_Exit, _Noreturn void, (int status));
 # endif
 _GL_CXXALIAS_SYS (_Exit, void, (int status));
 _GL_CXXALIASWARN (_Exit);
@@ -761,6 +757,6 @@ _GL_CXXALIASWARN (wctomb);
 #endif
 
 
-#endif /* _GL_STDLIB_H */
-#endif /* _GL_STDLIB_H */
+#endif /* address@hidden@_STDLIB_H */
+#endif /* address@hidden@_STDLIB_H */
 #endif
diff --git a/gl/sys_stat.in.h b/gl/sys_stat.in.h
index 13fae7b..5acee70 100644
--- a/gl/sys_stat.in.h
+++ b/gl/sys_stat.in.h
@@ -34,7 +34,7 @@
 #else
 /* Normal invocation convention.  */
 
-#ifndef _GL_SYS_STAT_H
+#ifndef address@hidden@_SYS_STAT_H
 
 /* Get nlink_t.  */
 #include <sys/types.h>
@@ -45,8 +45,8 @@
 /* The include_next requires a split double-inclusion guard.  */
 address@hidden@ @NEXT_SYS_STAT_H@
 
-#ifndef _GL_SYS_STAT_H
-#define _GL_SYS_STAT_H
+#ifndef address@hidden@_SYS_STAT_H
+#define address@hidden@_SYS_STAT_H
 
 /* The definitions of _GL_FUNCDECL_RPL etc. are copied here.  */
 
@@ -653,6 +653,6 @@ _GL_WARN_ON_USE (utimensat, "utimensat is not portable - "
 #endif
 
 
-#endif /* _GL_SYS_STAT_H */
-#endif /* _GL_SYS_STAT_H */
+#endif /* address@hidden@_SYS_STAT_H */
+#endif /* address@hidden@_SYS_STAT_H */
 #endif
diff --git a/gl/time.in.h b/gl/time.in.h
index cb533a4..1fbebf4 100644
--- a/gl/time.in.h
+++ b/gl/time.in.h
@@ -28,13 +28,13 @@
    without adding our own declarations.  */
 #if (defined __need_time_t || defined __need_clock_t \
      || defined __need_timespec \
-     || defined _GL_TIME_H)
+     || defined address@hidden@_TIME_H)
 
 # @INCLUDE_NEXT@ @NEXT_TIME_H@
 
 #else
 
-# define _GL_TIME_H
+# define address@hidden@_TIME_H
 
 # @INCLUDE_NEXT@ @NEXT_TIME_H@
 
diff --git a/gl/unistd.in.h b/gl/unistd.in.h
index 3b58d0f..769ecf0 100644
--- a/gl/unistd.in.h
+++ b/gl/unistd.in.h
@@ -36,7 +36,7 @@
 # define _GL_WINSOCK2_H_WITNESS
 
 /* Normal invocation.  */
-#elif !defined _GL_UNISTD_H
+#elif !defined address@hidden@_UNISTD_H
 
 /* The include_next requires a split double-inclusion guard.  */
 #if @HAVE_UNISTD_H@
@@ -51,8 +51,8 @@
 # undef _GL_INCLUDING_WINSOCK2_H
 #endif
 
-#if !defined _GL_UNISTD_H && !defined _GL_INCLUDING_WINSOCK2_H
-#define _GL_UNISTD_H
+#if !defined address@hidden@_UNISTD_H && !defined _GL_INCLUDING_WINSOCK2_H
+#define address@hidden@_UNISTD_H
 
 /* NetBSD 5.0 mis-defines NULL.  Also get size_t.  */
 #include <stddef.h>
@@ -117,78 +117,77 @@
 /* The definition of _GL_WARN_ON_USE is copied here.  */
 
 
-#if @GNULIB_GETHOSTNAME@
-/* Get all possible declarations of gethostname().  */
-# if @UNISTD_H_HAVE_WINSOCK2_H@
-#  if !defined _GL_SYS_SOCKET_H
-#   if !(defined __cplusplus && defined GNULIB_NAMESPACE)
-#    undef socket
-#    define socket              socket_used_without_including_sys_socket_h
-#    undef connect
-#    define connect             connect_used_without_including_sys_socket_h
-#    undef accept
-#    define accept              accept_used_without_including_sys_socket_h
-#    undef bind
-#    define bind                bind_used_without_including_sys_socket_h
-#    undef getpeername
-#    define getpeername         getpeername_used_without_including_sys_socket_h
-#    undef getsockname
-#    define getsockname         getsockname_used_without_including_sys_socket_h
-#    undef getsockopt
-#    define getsockopt          getsockopt_used_without_including_sys_socket_h
-#    undef listen
-#    define listen              listen_used_without_including_sys_socket_h
-#    undef recv
-#    define recv                recv_used_without_including_sys_socket_h
-#    undef send
-#    define send                send_used_without_including_sys_socket_h
-#    undef recvfrom
-#    define recvfrom            recvfrom_used_without_including_sys_socket_h
-#    undef sendto
-#    define sendto              sendto_used_without_including_sys_socket_h
-#    undef setsockopt
-#    define setsockopt          setsockopt_used_without_including_sys_socket_h
-#    undef shutdown
-#    define shutdown            shutdown_used_without_including_sys_socket_h
-#   else
-     _GL_WARN_ON_USE (socket,
-                      "socket() used without including <sys/socket.h>");
-     _GL_WARN_ON_USE (connect,
-                      "connect() used without including <sys/socket.h>");
-     _GL_WARN_ON_USE (accept,
-                      "accept() used without including <sys/socket.h>");
-     _GL_WARN_ON_USE (bind,
-                      "bind() used without including <sys/socket.h>");
-     _GL_WARN_ON_USE (getpeername,
-                      "getpeername() used without including <sys/socket.h>");
-     _GL_WARN_ON_USE (getsockname,
-                      "getsockname() used without including <sys/socket.h>");
-     _GL_WARN_ON_USE (getsockopt,
-                      "getsockopt() used without including <sys/socket.h>");
-     _GL_WARN_ON_USE (listen,
-                      "listen() used without including <sys/socket.h>");
-     _GL_WARN_ON_USE (recv,
-                      "recv() used without including <sys/socket.h>");
-     _GL_WARN_ON_USE (send,
-                      "send() used without including <sys/socket.h>");
-     _GL_WARN_ON_USE (recvfrom,
-                      "recvfrom() used without including <sys/socket.h>");
-     _GL_WARN_ON_USE (sendto,
-                      "sendto() used without including <sys/socket.h>");
-     _GL_WARN_ON_USE (setsockopt,
-                      "setsockopt() used without including <sys/socket.h>");
-     _GL_WARN_ON_USE (shutdown,
-                      "shutdown() used without including <sys/socket.h>");
-#   endif
+/* Hide some function declarations from <winsock2.h>.  */
+
+#if @GNULIB_GETHOSTNAME@ && @UNISTD_H_HAVE_WINSOCK2_H@
+# if !defined address@hidden@_SYS_SOCKET_H
+#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+#   undef socket
+#   define socket              socket_used_without_including_sys_socket_h
+#   undef connect
+#   define connect             connect_used_without_including_sys_socket_h
+#   undef accept
+#   define accept              accept_used_without_including_sys_socket_h
+#   undef bind
+#   define bind                bind_used_without_including_sys_socket_h
+#   undef getpeername
+#   define getpeername         getpeername_used_without_including_sys_socket_h
+#   undef getsockname
+#   define getsockname         getsockname_used_without_including_sys_socket_h
+#   undef getsockopt
+#   define getsockopt          getsockopt_used_without_including_sys_socket_h
+#   undef listen
+#   define listen              listen_used_without_including_sys_socket_h
+#   undef recv
+#   define recv                recv_used_without_including_sys_socket_h
+#   undef send
+#   define send                send_used_without_including_sys_socket_h
+#   undef recvfrom
+#   define recvfrom            recvfrom_used_without_including_sys_socket_h
+#   undef sendto
+#   define sendto              sendto_used_without_including_sys_socket_h
+#   undef setsockopt
+#   define setsockopt          setsockopt_used_without_including_sys_socket_h
+#   undef shutdown
+#   define shutdown            shutdown_used_without_including_sys_socket_h
+#  else
+    _GL_WARN_ON_USE (socket,
+                     "socket() used without including <sys/socket.h>");
+    _GL_WARN_ON_USE (connect,
+                     "connect() used without including <sys/socket.h>");
+    _GL_WARN_ON_USE (accept,
+                     "accept() used without including <sys/socket.h>");
+    _GL_WARN_ON_USE (bind,
+                     "bind() used without including <sys/socket.h>");
+    _GL_WARN_ON_USE (getpeername,
+                     "getpeername() used without including <sys/socket.h>");
+    _GL_WARN_ON_USE (getsockname,
+                     "getsockname() used without including <sys/socket.h>");
+    _GL_WARN_ON_USE (getsockopt,
+                     "getsockopt() used without including <sys/socket.h>");
+    _GL_WARN_ON_USE (listen,
+                     "listen() used without including <sys/socket.h>");
+    _GL_WARN_ON_USE (recv,
+                     "recv() used without including <sys/socket.h>");
+    _GL_WARN_ON_USE (send,
+                     "send() used without including <sys/socket.h>");
+    _GL_WARN_ON_USE (recvfrom,
+                     "recvfrom() used without including <sys/socket.h>");
+    _GL_WARN_ON_USE (sendto,
+                     "sendto() used without including <sys/socket.h>");
+    _GL_WARN_ON_USE (setsockopt,
+                     "setsockopt() used without including <sys/socket.h>");
+    _GL_WARN_ON_USE (shutdown,
+                     "shutdown() used without including <sys/socket.h>");
 #  endif
-#  if !defined _GL_SYS_SELECT_H
-#   if !(defined __cplusplus && defined GNULIB_NAMESPACE)
-#    undef select
-#    define select              select_used_without_including_sys_select_h
-#   else
-     _GL_WARN_ON_USE (select,
-                      "select() used without including <sys/select.h>");
-#   endif
+# endif
+# if !defined address@hidden@_SYS_SELECT_H
+#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+#   undef select
+#   define select              select_used_without_including_sys_select_h
+#  else
+    _GL_WARN_ON_USE (select,
+                     "select() used without including <sys/select.h>");
 #  endif
 # endif
 #endif
@@ -871,6 +870,22 @@ _GL_WARN_ON_USE (endusershell, "endusershell is unportable 
- "
 #endif
 
 
+#if @GNULIB_GROUP_MEMBER@
+/* Determine whether group id is in calling user's group list.  */
+# if address@hidden@
+_GL_FUNCDECL_SYS (group_member, int, (gid_t gid));
+# endif
+_GL_CXXALIAS_SYS (group_member, int, (gid_t gid));
+_GL_CXXALIASWARN (group_member);
+#elif defined GNULIB_POSIXCHECK
+# undef group_member
+# if HAVE_RAW_DECL_GROUP_MEMBER
+_GL_WARN_ON_USE (group_member, "group_member is unportable - "
+                 "use gnulib module group-member for portability");
+# endif
+#endif
+
+
 #if @GNULIB_LCHOWN@
 /* Change the owner of FILE to UID (if UID is not -1) and the group of FILE
    to GID (if GID is not -1).  Do not follow symbolic links.
@@ -1046,6 +1061,7 @@ _GL_WARN_ON_USE (pipe2, "pipe2 is unportable - "
    specification <http://www.opengroup.org/susv3xsh/pread.html>.  */
 # if @REPLACE_PREAD@
 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+#   undef pread
 #   define pread rpl_pread
 #  endif
 _GL_FUNCDECL_RPL (pread, ssize_t,
@@ -1080,6 +1096,7 @@ _GL_WARN_ON_USE (pread, "pread is unportable - "
    <http://www.opengroup.org/susv3xsh/pwrite.html>.  */
 # if @REPLACE_PWRITE@
 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+#   undef pwrite
 #   define pwrite rpl_pwrite
 #  endif
 _GL_FUNCDECL_RPL (pwrite, ssize_t,
@@ -1400,5 +1417,5 @@ _GL_CXXALIASWARN (write);
 #endif
 
 
-#endif /* _GL_UNISTD_H */
-#endif /* _GL_UNISTD_H */
+#endif /* address@hidden@_UNISTD_H */
+#endif /* address@hidden@_UNISTD_H */
diff --git a/lib/gllib/Makefile.am b/lib/gllib/Makefile.am
index 9515cfe..bfb9468 100644
--- a/lib/gllib/Makefile.am
+++ b/lib/gllib/Makefile.am
@@ -9,7 +9,7 @@
 # the same distribution terms as the rest of that program.
 #
 # Generated by gnulib-tool.
-# Reproduce by: gnulib-tool --import --dir=. --lib=libgnu 
--source-base=lib/gllib --m4-base=lib/glm4 --doc-base=doc --tests-base=tests 
--aux-dir=build-aux --lgpl=2 --libtool --macro-prefix=lgl --no-vc-files 
lib-symbol-versions lib-symbol-visibility stdint strverscmp
+# Reproduce by: gnulib-tool --import --dir=. --lib=libgnu 
--source-base=lib/gllib --m4-base=lib/glm4 --doc-base=doc --tests-base=tests 
--aux-dir=build-aux --lgpl=2 --no-conditional-dependencies --libtool 
--macro-prefix=lgl --no-vc-files lib-symbol-versions lib-symbol-visibility 
stdint strverscmp
 
 AUTOMAKE_OPTIONS = 1.5 gnits
 
@@ -38,7 +38,17 @@ EXTRA_libgnu_la_SOURCES =
 libgnu_la_LDFLAGS = $(AM_LDFLAGS)
 libgnu_la_LDFLAGS += -no-undefined
 
-## begin gnulib module arg-nonnull
+## begin gnulib module lib-symbol-visibility
+
+# The value of $(CFLAG_VISIBILITY) needs to be added to the CFLAGS for the
+# compilation of all sources that make up the library. This line here does it
+# only for the gnulib part of it. The developer is responsible for adding
+# $(CFLAG_VISIBILITY) to the Makefile.ams of the other portions of the library.
+AM_CFLAGS += $(CFLAG_VISIBILITY)
+
+## end   gnulib module lib-symbol-visibility
+
+## begin gnulib module snippet/arg-nonnull
 
 # The BUILT_SOURCES created by this Makefile snippet are not used via #include
 # statements but through direct file reference. Therefore this snippet must be
@@ -47,22 +57,23 @@ libgnu_la_LDFLAGS += -no-undefined
 
 BUILT_SOURCES += arg-nonnull.h
 # The arg-nonnull.h that gets inserted into generated .h files is the same as
-# build-aux/arg-nonnull.h, except that it has the copyright header cut off.
-arg-nonnull.h: $(top_srcdir)/build-aux/arg-nonnull.h
+# build-aux/snippet/arg-nonnull.h, except that it has the copyright header cut
+# off.
+arg-nonnull.h: $(top_srcdir)/build-aux/snippet/arg-nonnull.h
        $(AM_V_GEN)rm -f address@hidden $@ && \
        sed -n -e '/GL_ARG_NONNULL/,$$p' \
-         < $(top_srcdir)/build-aux/arg-nonnull.h \
+         < $(top_srcdir)/build-aux/snippet/arg-nonnull.h \
          > address@hidden && \
        mv address@hidden $@
 MOSTLYCLEANFILES += arg-nonnull.h arg-nonnull.h-t
 
 ARG_NONNULL_H=arg-nonnull.h
 
-EXTRA_DIST += $(top_srcdir)/build-aux/arg-nonnull.h
+EXTRA_DIST += $(top_srcdir)/build-aux/snippet/arg-nonnull.h
 
-## end   gnulib module arg-nonnull
+## end   gnulib module snippet/arg-nonnull
 
-## begin gnulib module c++defs
+## begin gnulib module snippet/c++defs
 
 # The BUILT_SOURCES created by this Makefile snippet are not used via #include
 # statements but through direct file reference. Therefore this snippet must be
@@ -71,30 +82,40 @@ EXTRA_DIST += $(top_srcdir)/build-aux/arg-nonnull.h
 
 BUILT_SOURCES += c++defs.h
 # The c++defs.h that gets inserted into generated .h files is the same as
-# build-aux/c++defs.h, except that it has the copyright header cut off.
-c++defs.h: $(top_srcdir)/build-aux/c++defs.h
+# build-aux/snippet/c++defs.h, except that it has the copyright header cut off.
+c++defs.h: $(top_srcdir)/build-aux/snippet/c++defs.h
        $(AM_V_GEN)rm -f address@hidden $@ && \
        sed -n -e '/_GL_CXXDEFS/,$$p' \
-         < $(top_srcdir)/build-aux/c++defs.h \
+         < $(top_srcdir)/build-aux/snippet/c++defs.h \
          > address@hidden && \
        mv address@hidden $@
 MOSTLYCLEANFILES += c++defs.h c++defs.h-t
 
 CXXDEFS_H=c++defs.h
 
-EXTRA_DIST += $(top_srcdir)/build-aux/c++defs.h
+EXTRA_DIST += $(top_srcdir)/build-aux/snippet/c++defs.h
 
-## end   gnulib module c++defs
+## end   gnulib module snippet/c++defs
 
-## begin gnulib module lib-symbol-visibility
+## begin gnulib module snippet/warn-on-use
 
-# The value of $(CFLAG_VISIBILITY) needs to be added to the CFLAGS for the
-# compilation of all sources that make up the library. This line here does it
-# only for the gnulib part of it. The developer is responsible for adding
-# $(CFLAG_VISIBILITY) to the Makefile.ams of the other portions of the library.
-AM_CFLAGS += $(CFLAG_VISIBILITY)
+BUILT_SOURCES += warn-on-use.h
+# The warn-on-use.h that gets inserted into generated .h files is the same as
+# build-aux/snippet/warn-on-use.h, except that it has the copyright header cut
+# off.
+warn-on-use.h: $(top_srcdir)/build-aux/snippet/warn-on-use.h
+       $(AM_V_GEN)rm -f address@hidden $@ && \
+       sed -n -e '/^.ifndef/,$$p' \
+         < $(top_srcdir)/build-aux/snippet/warn-on-use.h \
+         > address@hidden && \
+       mv address@hidden $@
+MOSTLYCLEANFILES += warn-on-use.h warn-on-use.h-t
 
-## end   gnulib module lib-symbol-visibility
+WARN_ON_USE_H=warn-on-use.h
+
+EXTRA_DIST += $(top_srcdir)/build-aux/snippet/warn-on-use.h
+
+## end   gnulib module snippet/warn-on-use
 
 ## begin gnulib module stddef
 
@@ -106,7 +127,8 @@ if GL_GENERATE_STDDEF_H
 stddef.h: stddef.in.h $(top_builddir)/config.status
        $(AM_V_GEN)rm -f address@hidden $@ && \
        { echo '/* DO NOT EDIT! GENERATED AUTOMATICALLY! */' && \
-         sed -e 's|@''INCLUDE_NEXT''@|$(INCLUDE_NEXT)|g' \
+         sed -e 's|@''GUARD_PREFIX''@|GL_LGL|g' \
+             -e 's|@''INCLUDE_NEXT''@|$(INCLUDE_NEXT)|g' \
              -e 's|@''PRAGMA_SYSTEM_HEADER''@|@PRAGMA_SYSTEM_HEADER@|g' \
              -e 's|@''PRAGMA_COLUMNS''@|@PRAGMA_COLUMNS@|g' \
              -e 's|@''NEXT_STDDEF_H''@|$(NEXT_STDDEF_H)|g' \
@@ -135,7 +157,8 @@ if GL_GENERATE_STDINT_H
 stdint.h: stdint.in.h $(top_builddir)/config.status
        $(AM_V_GEN)rm -f address@hidden $@ && \
        { echo '/* DO NOT EDIT! GENERATED AUTOMATICALLY! */'; \
-         sed -e 's/@''HAVE_STDINT_H''@/$(HAVE_STDINT_H)/g' \
+         sed -e 's|@''GUARD_PREFIX''@|GL_LGL|g' \
+             -e 's/@''HAVE_STDINT_H''@/$(HAVE_STDINT_H)/g' \
              -e 's|@''INCLUDE_NEXT''@|$(INCLUDE_NEXT)|g' \
              -e 's|@''PRAGMA_SYSTEM_HEADER''@|@PRAGMA_SYSTEM_HEADER@|g' \
              -e 's|@''PRAGMA_COLUMNS''@|@PRAGMA_COLUMNS@|g' \
@@ -183,45 +206,46 @@ BUILT_SOURCES += string.h
 string.h: string.in.h $(top_builddir)/config.status $(CXXDEFS_H) 
$(ARG_NONNULL_H) $(WARN_ON_USE_H)
        $(AM_V_GEN)rm -f address@hidden $@ && \
        { echo '/* DO NOT EDIT! GENERATED AUTOMATICALLY! */' && \
-         sed -e 's|@''INCLUDE_NEXT''@|$(INCLUDE_NEXT)|g' \
+         sed -e 's|@''GUARD_PREFIX''@|GL_LGL|g' \
+             -e 's|@''INCLUDE_NEXT''@|$(INCLUDE_NEXT)|g' \
              -e 's|@''PRAGMA_SYSTEM_HEADER''@|@PRAGMA_SYSTEM_HEADER@|g' \
              -e 's|@''PRAGMA_COLUMNS''@|@PRAGMA_COLUMNS@|g' \
              -e 's|@''NEXT_STRING_H''@|$(NEXT_STRING_H)|g' \
-             -e 's|@''GNULIB_MBSLEN''@|$(GNULIB_MBSLEN)|g' \
-             -e 's|@''GNULIB_MBSNLEN''@|$(GNULIB_MBSNLEN)|g' \
-             -e 's|@''GNULIB_MBSCHR''@|$(GNULIB_MBSCHR)|g' \
-             -e 's|@''GNULIB_MBSRCHR''@|$(GNULIB_MBSRCHR)|g' \
-             -e 's|@''GNULIB_MBSSTR''@|$(GNULIB_MBSSTR)|g' \
-             -e 's|@''GNULIB_MBSCASECMP''@|$(GNULIB_MBSCASECMP)|g' \
-             -e 's|@''GNULIB_MBSNCASECMP''@|$(GNULIB_MBSNCASECMP)|g' \
-             -e 's|@''GNULIB_MBSPCASECMP''@|$(GNULIB_MBSPCASECMP)|g' \
-             -e 's|@''GNULIB_MBSCASESTR''@|$(GNULIB_MBSCASESTR)|g' \
-             -e 's|@''GNULIB_MBSCSPN''@|$(GNULIB_MBSCSPN)|g' \
-             -e 's|@''GNULIB_MBSPBRK''@|$(GNULIB_MBSPBRK)|g' \
-             -e 's|@''GNULIB_MBSSPN''@|$(GNULIB_MBSSPN)|g' \
-             -e 's|@''GNULIB_MBSSEP''@|$(GNULIB_MBSSEP)|g' \
-             -e 's|@''GNULIB_MBSTOK_R''@|$(GNULIB_MBSTOK_R)|g' \
-             -e 's|@''GNULIB_MEMCHR''@|$(GNULIB_MEMCHR)|g' \
-             -e 's|@''GNULIB_MEMMEM''@|$(GNULIB_MEMMEM)|g' \
-             -e 's|@''GNULIB_MEMPCPY''@|$(GNULIB_MEMPCPY)|g' \
-             -e 's|@''GNULIB_MEMRCHR''@|$(GNULIB_MEMRCHR)|g' \
-             -e 's|@''GNULIB_RAWMEMCHR''@|$(GNULIB_RAWMEMCHR)|g' \
-             -e 's|@''GNULIB_STPCPY''@|$(GNULIB_STPCPY)|g' \
-             -e 's|@''GNULIB_STPNCPY''@|$(GNULIB_STPNCPY)|g' \
-             -e 's|@''GNULIB_STRCHRNUL''@|$(GNULIB_STRCHRNUL)|g' \
-             -e 's|@''GNULIB_STRDUP''@|$(GNULIB_STRDUP)|g' \
-             -e 's|@''GNULIB_STRNCAT''@|$(GNULIB_STRNCAT)|g' \
-             -e 's|@''GNULIB_STRNDUP''@|$(GNULIB_STRNDUP)|g' \
-             -e 's|@''GNULIB_STRNLEN''@|$(GNULIB_STRNLEN)|g' \
-             -e 's|@''GNULIB_STRPBRK''@|$(GNULIB_STRPBRK)|g' \
-             -e 's|@''GNULIB_STRSEP''@|$(GNULIB_STRSEP)|g' \
-             -e 's|@''GNULIB_STRSTR''@|$(GNULIB_STRSTR)|g' \
-             -e 's|@''GNULIB_STRCASESTR''@|$(GNULIB_STRCASESTR)|g' \
-             -e 's|@''GNULIB_STRTOK_R''@|$(GNULIB_STRTOK_R)|g' \
-             -e 's|@''GNULIB_STRERROR''@|$(GNULIB_STRERROR)|g' \
-             -e 's|@''GNULIB_STRERROR_R''@|$(GNULIB_STRERROR_R)|g' \
-             -e 's|@''GNULIB_STRSIGNAL''@|$(GNULIB_STRSIGNAL)|g' \
-             -e 's|@''GNULIB_STRVERSCMP''@|$(GNULIB_STRVERSCMP)|g' \
+             -e 's/@''GNULIB_MBSLEN''@/$(GNULIB_MBSLEN)/g' \
+             -e 's/@''GNULIB_MBSNLEN''@/$(GNULIB_MBSNLEN)/g' \
+             -e 's/@''GNULIB_MBSCHR''@/$(GNULIB_MBSCHR)/g' \
+             -e 's/@''GNULIB_MBSRCHR''@/$(GNULIB_MBSRCHR)/g' \
+             -e 's/@''GNULIB_MBSSTR''@/$(GNULIB_MBSSTR)/g' \
+             -e 's/@''GNULIB_MBSCASECMP''@/$(GNULIB_MBSCASECMP)/g' \
+             -e 's/@''GNULIB_MBSNCASECMP''@/$(GNULIB_MBSNCASECMP)/g' \
+             -e 's/@''GNULIB_MBSPCASECMP''@/$(GNULIB_MBSPCASECMP)/g' \
+             -e 's/@''GNULIB_MBSCASESTR''@/$(GNULIB_MBSCASESTR)/g' \
+             -e 's/@''GNULIB_MBSCSPN''@/$(GNULIB_MBSCSPN)/g' \
+             -e 's/@''GNULIB_MBSPBRK''@/$(GNULIB_MBSPBRK)/g' \
+             -e 's/@''GNULIB_MBSSPN''@/$(GNULIB_MBSSPN)/g' \
+             -e 's/@''GNULIB_MBSSEP''@/$(GNULIB_MBSSEP)/g' \
+             -e 's/@''GNULIB_MBSTOK_R''@/$(GNULIB_MBSTOK_R)/g' \
+             -e 's/@''GNULIB_MEMCHR''@/$(GNULIB_MEMCHR)/g' \
+             -e 's/@''GNULIB_MEMMEM''@/$(GNULIB_MEMMEM)/g' \
+             -e 's/@''GNULIB_MEMPCPY''@/$(GNULIB_MEMPCPY)/g' \
+             -e 's/@''GNULIB_MEMRCHR''@/$(GNULIB_MEMRCHR)/g' \
+             -e 's/@''GNULIB_RAWMEMCHR''@/$(GNULIB_RAWMEMCHR)/g' \
+             -e 's/@''GNULIB_STPCPY''@/$(GNULIB_STPCPY)/g' \
+             -e 's/@''GNULIB_STPNCPY''@/$(GNULIB_STPNCPY)/g' \
+             -e 's/@''GNULIB_STRCHRNUL''@/$(GNULIB_STRCHRNUL)/g' \
+             -e 's/@''GNULIB_STRDUP''@/$(GNULIB_STRDUP)/g' \
+             -e 's/@''GNULIB_STRNCAT''@/$(GNULIB_STRNCAT)/g' \
+             -e 's/@''GNULIB_STRNDUP''@/$(GNULIB_STRNDUP)/g' \
+             -e 's/@''GNULIB_STRNLEN''@/$(GNULIB_STRNLEN)/g' \
+             -e 's/@''GNULIB_STRPBRK''@/$(GNULIB_STRPBRK)/g' \
+             -e 's/@''GNULIB_STRSEP''@/$(GNULIB_STRSEP)/g' \
+             -e 's/@''GNULIB_STRSTR''@/$(GNULIB_STRSTR)/g' \
+             -e 's/@''GNULIB_STRCASESTR''@/$(GNULIB_STRCASESTR)/g' \
+             -e 's/@''GNULIB_STRTOK_R''@/$(GNULIB_STRTOK_R)/g' \
+             -e 's/@''GNULIB_STRERROR''@/$(GNULIB_STRERROR)/g' \
+             -e 's/@''GNULIB_STRERROR_R''@/$(GNULIB_STRERROR_R)/g' \
+             -e 's/@''GNULIB_STRSIGNAL''@/$(GNULIB_STRSIGNAL)/g' \
+             -e 's/@''GNULIB_STRVERSCMP''@/$(GNULIB_STRVERSCMP)/g' \
              < $(srcdir)/string.in.h | \
          sed -e 's|@''HAVE_MBSLEN''@|$(HAVE_MBSLEN)|g' \
              -e 's|@''HAVE_MEMCHR''@|$(HAVE_MEMCHR)|g' \
@@ -278,25 +302,6 @@ EXTRA_libgnu_la_SOURCES += strverscmp.c
 
 ## end   gnulib module strverscmp
 
-## begin gnulib module warn-on-use
-
-BUILT_SOURCES += warn-on-use.h
-# The warn-on-use.h that gets inserted into generated .h files is the same as
-# build-aux/warn-on-use.h, except that it has the copyright header cut off.
-warn-on-use.h: $(top_srcdir)/build-aux/warn-on-use.h
-       $(AM_V_GEN)rm -f address@hidden $@ && \
-       sed -n -e '/^.ifndef/,$$p' \
-         < $(top_srcdir)/build-aux/warn-on-use.h \
-         > address@hidden && \
-       mv address@hidden $@
-MOSTLYCLEANFILES += warn-on-use.h warn-on-use.h-t
-
-WARN_ON_USE_H=warn-on-use.h
-
-EXTRA_DIST += $(top_srcdir)/build-aux/warn-on-use.h
-
-## end   gnulib module warn-on-use
-
 ## begin gnulib module dummy
 
 libgnu_la_SOURCES += dummy.c
diff --git a/lib/gllib/stddef.in.h b/lib/gllib/stddef.in.h
index b3fc2b5..c13b453 100644
--- a/lib/gllib/stddef.in.h
+++ b/lib/gllib/stddef.in.h
@@ -38,9 +38,9 @@
    remember if special invocation has ever been used to obtain wint_t,
    in which case we need to clean up NULL yet again.  */
 
-# if !(defined _GL_STDDEF_H && defined _GL_STDDEF_WINT_T)
+# if !(defined address@hidden@_STDDEF_H && defined _GL_STDDEF_WINT_T)
 #  ifdef __need_wint_t
-#   undef _GL_STDDEF_H
+#   undef address@hidden@_STDDEF_H
 #   define _GL_STDDEF_WINT_T
 #  endif
 #  @INCLUDE_NEXT@ @NEXT_STDDEF_H@
@@ -49,14 +49,14 @@
 #else
 /* Normal invocation convention.  */
 
-# ifndef _GL_STDDEF_H
+# ifndef address@hidden@_STDDEF_H
 
 /* The include_next requires a split double-inclusion guard.  */
 
 #  @INCLUDE_NEXT@ @NEXT_STDDEF_H@
 
-#  ifndef _GL_STDDEF_H
-#   define _GL_STDDEF_H
+#  ifndef address@hidden@_STDDEF_H
+#   define address@hidden@_STDDEF_H
 
 /* On NetBSD 5.0, the definition of NULL lacks proper parentheses.  */
 #if @REPLACE_NULL@
@@ -82,6 +82,6 @@
 # define wchar_t int
 #endif
 
-#  endif /* _GL_STDDEF_H */
-# endif /* _GL_STDDEF_H */
+#  endif /* address@hidden@_STDDEF_H */
+# endif /* address@hidden@_STDDEF_H */
 #endif /* __need_XXX */
diff --git a/lib/gllib/stdint.in.h b/lib/gllib/stdint.in.h
index 1140c12..9e4ddf5 100644
--- a/lib/gllib/stdint.in.h
+++ b/lib/gllib/stdint.in.h
@@ -21,7 +21,7 @@
  * <http://www.opengroup.org/susv3xbd/stdint.h.html>
  */
 
-#ifndef _GL_STDINT_H
+#ifndef address@hidden@_STDINT_H
 
 #if __GNUC__ >= 3
 @PRAGMA_SYSTEM_HEADER@
@@ -52,13 +52,13 @@
   /* Other systems may have an incomplete or buggy <stdint.h>.
      Include it before <inttypes.h>, since any "#include <stdint.h>"
      in <inttypes.h> would reinclude us, skipping our contents because
-     _GL_STDINT_H is defined.
+     address@hidden@_STDINT_H is defined.
      The include_next requires a split double-inclusion guard.  */
 # @INCLUDE_NEXT@ @NEXT_STDINT_H@
 #endif
 
-#if ! defined _GL_STDINT_H && ! defined _GL_JUST_INCLUDE_SYSTEM_STDINT_H
-#define _GL_STDINT_H
+#if ! defined address@hidden@_STDINT_H && ! defined 
_GL_JUST_INCLUDE_SYSTEM_STDINT_H
+#define address@hidden@_STDINT_H
 
 /* <sys/types.h> defines some of the stdint.h types as well, on glibc,
    IRIX 6.5, and OpenBSD 3.8 (via <machine/types.h>).
@@ -93,7 +93,7 @@
 
 #undef _GL_JUST_INCLUDE_SYSTEM_INTTYPES_H
 
-/* Minimum and maximum values for a integer type under the usual assumption.
+/* Minimum and maximum values for an integer type under the usual assumption.
    Return an unspecified value if BITS == 0, adding a check to pacify
    picky compilers.  */
 
@@ -270,26 +270,36 @@ typedef unsigned long int gl_uintptr_t;
 /* Note: These types are compiler dependent. It may be unwise to use them in
    public header files. */
 
-#undef intmax_t
-#if @HAVE_LONG_LONG_INT@ && LONG_MAX >> 30 == 1
+/* If the system defines INTMAX_MAX, assume that intmax_t works, and
+   similarly for UINTMAX_MAX and uintmax_t.  This avoids problems with
+   assuming one type where another is used by the system.  */
+
+#ifndef INTMAX_MAX
+# undef INTMAX_C
+# undef intmax_t
+# if @HAVE_LONG_LONG_INT@ && LONG_MAX >> 30 == 1
 typedef long long int gl_intmax_t;
-# define intmax_t gl_intmax_t
-#elif defined GL_INT64_T
-# define intmax_t int64_t
-#else
+#  define intmax_t gl_intmax_t
+# elif defined GL_INT64_T
+#  define intmax_t int64_t
+# else
 typedef long int gl_intmax_t;
-# define intmax_t gl_intmax_t
+#  define intmax_t gl_intmax_t
+# endif
 #endif
 
-#undef uintmax_t
-#if @HAVE_UNSIGNED_LONG_LONG_INT@ && ULONG_MAX >> 31 == 1
+#ifndef UINTMAX_MAX
+# undef UINTMAX_C
+# undef uintmax_t
+# if @HAVE_UNSIGNED_LONG_LONG_INT@ && ULONG_MAX >> 31 == 1
 typedef unsigned long long int gl_uintmax_t;
-# define uintmax_t gl_uintmax_t
-#elif defined GL_UINT64_T
-# define uintmax_t uint64_t
-#else
+#  define uintmax_t gl_uintmax_t
+# elif defined GL_UINT64_T
+#  define uintmax_t uint64_t
+# else
 typedef unsigned long int gl_uintmax_t;
-# define uintmax_t gl_uintmax_t
+#  define uintmax_t gl_uintmax_t
+# endif
 #endif
 
 /* Verify that intmax_t and uintmax_t have the same size.  Too much code
@@ -431,21 +441,23 @@ typedef int _verify_intmax_size[sizeof (intmax_t) == 
sizeof (uintmax_t)
 
 /* 7.18.2.5. Limits of greatest-width integer types */
 
-#undef INTMAX_MIN
-#undef INTMAX_MAX
-#ifdef INT64_MAX
-# define INTMAX_MIN  INT64_MIN
-# define INTMAX_MAX  INT64_MAX
-#else
-# define INTMAX_MIN  INT32_MIN
-# define INTMAX_MAX  INT32_MAX
+#ifndef INTMAX_MAX
+# undef INTMAX_MIN
+# ifdef INT64_MAX
+#  define INTMAX_MIN  INT64_MIN
+#  define INTMAX_MAX  INT64_MAX
+# else
+#  define INTMAX_MIN  INT32_MIN
+#  define INTMAX_MAX  INT32_MAX
+# endif
 #endif
 
-#undef UINTMAX_MAX
-#ifdef UINT64_MAX
-# define UINTMAX_MAX  UINT64_MAX
-#else
-# define UINTMAX_MAX  UINT32_MAX
+#ifndef UINTMAX_MAX
+# ifdef UINT64_MAX
+#  define UINTMAX_MAX  UINT64_MAX
+# else
+#  define UINTMAX_MAX  UINT32_MAX
+# endif
 #endif
 
 /* 7.18.3. Limits of other integer types */
@@ -568,25 +580,27 @@ typedef int _verify_intmax_size[sizeof (intmax_t) == 
sizeof (uintmax_t)
 
 /* 7.18.4.2. Macros for greatest-width integer constants */
 
-#undef INTMAX_C
-#if @HAVE_LONG_LONG_INT@ && LONG_MAX >> 30 == 1
-# define INTMAX_C(x)   x##LL
-#elif defined GL_INT64_T
-# define INTMAX_C(x)   INT64_C(x)
-#else
-# define INTMAX_C(x)   x##L
+#ifndef INTMAX_C
+# if @HAVE_LONG_LONG_INT@ && LONG_MAX >> 30 == 1
+#  define INTMAX_C(x)   x##LL
+# elif defined GL_INT64_T
+#  define INTMAX_C(x)   INT64_C(x)
+# else
+#  define INTMAX_C(x)   x##L
+# endif
 #endif
 
-#undef UINTMAX_C
-#if @HAVE_UNSIGNED_LONG_LONG_INT@ && ULONG_MAX >> 31 == 1
-# define UINTMAX_C(x)  x##ULL
-#elif defined GL_UINT64_T
-# define UINTMAX_C(x)  UINT64_C(x)
-#else
-# define UINTMAX_C(x)  x##UL
+#ifndef UINTMAX_C
+# if @HAVE_UNSIGNED_LONG_LONG_INT@ && ULONG_MAX >> 31 == 1
+#  define UINTMAX_C(x)  x##ULL
+# elif defined GL_UINT64_T
+#  define UINTMAX_C(x)  UINT64_C(x)
+# else
+#  define UINTMAX_C(x)  x##UL
+# endif
 #endif
 
 #endif /* !defined __cplusplus || defined __STDC_CONSTANT_MACROS */
 
-#endif /* _GL_STDINT_H */
-#endif /* !defined _GL_STDINT_H && !defined _GL_JUST_INCLUDE_SYSTEM_STDINT_H */
+#endif /* address@hidden@_STDINT_H */
+#endif /* !defined address@hidden@_STDINT_H && !defined 
_GL_JUST_INCLUDE_SYSTEM_STDINT_H */
diff --git a/lib/gllib/string.in.h b/lib/gllib/string.in.h
index 7f3f0b4..5a66634 100644
--- a/lib/gllib/string.in.h
+++ b/lib/gllib/string.in.h
@@ -16,7 +16,7 @@
    along with this program; if not, write to the Free Software Foundation,
    Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
 
-#ifndef _GL_STRING_H
+#ifndef address@hidden@_STRING_H
 
 #if __GNUC__ >= 3
 @PRAGMA_SYSTEM_HEADER@
@@ -26,8 +26,8 @@
 /* The include_next requires a split double-inclusion guard.  */
 address@hidden@ @NEXT_STRING_H@
 
-#ifndef _GL_STRING_H
-#define _GL_STRING_H
+#ifndef address@hidden@_STRING_H
+#define address@hidden@_STRING_H
 
 /* NetBSD 5.0 mis-defines NULL.  */
 #include <stddef.h>
@@ -736,9 +736,9 @@ _GL_CXXALIASWARN (mbschr);
    and return a pointer to it.  Return NULL if C is not found in STRING.
    Unlike strrchr(), this function works correctly in multibyte locales with
    encodings such as GB18030.  */
-# if defined __hpux
+# if defined __hpux || defined __INTERIX
 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
-#   define mbsrchr rpl_mbsrchr /* avoid collision with HP-UX function */
+#   define mbsrchr rpl_mbsrchr /* avoid collision with system function */
 #  endif
 _GL_FUNCDECL_RPL (mbsrchr, char *, (const char *string, int c)
                                    _GL_ARG_NONNULL ((1)));
@@ -977,5 +977,5 @@ _GL_WARN_ON_USE (strverscmp, "strverscmp is unportable - "
 #endif
 
 
-#endif /* _GL_STRING_H */
-#endif /* _GL_STRING_H */
+#endif /* address@hidden@_STRING_H */
+#endif /* address@hidden@_STRING_H */
diff --git a/lib/glm4/gnulib-cache.m4 b/lib/glm4/gnulib-cache.m4
index 4fc2916..8e93c9e 100644
--- a/lib/glm4/gnulib-cache.m4
+++ b/lib/glm4/gnulib-cache.m4
@@ -15,7 +15,7 @@
 
 
 # Specification in the form of a command-line invocation:
-#   gnulib-tool --import --dir=. --lib=libgnu --source-base=lib/gllib 
--m4-base=lib/glm4 --doc-base=doc --tests-base=tests --aux-dir=build-aux 
--lgpl=2 --libtool --macro-prefix=lgl --no-vc-files lib-symbol-versions 
lib-symbol-visibility stdint strverscmp
+#   gnulib-tool --import --dir=. --lib=libgnu --source-base=lib/gllib 
--m4-base=lib/glm4 --doc-base=doc --tests-base=tests --aux-dir=build-aux 
--lgpl=2 --no-conditional-dependencies --libtool --macro-prefix=lgl 
--no-vc-files lib-symbol-versions lib-symbol-visibility stdint strverscmp
 
 # Specification in the form of a few gnulib-tool.m4 macro invocations:
 gl_LOCAL_DIR([])
@@ -37,4 +37,5 @@ gl_MAKEFILE_NAME([])
 gl_LIBTOOL
 gl_MACRO_PREFIX([lgl])
 gl_PO_DOMAIN([])
+gl_WITNESS_C_DOMAIN([])
 gl_VC_FILES([false])
diff --git a/lib/glm4/gnulib-common.m4 b/lib/glm4/gnulib-common.m4
index c4d7a20..6b5923a 100644
--- a/lib/glm4/gnulib-common.m4
+++ b/lib/glm4/gnulib-common.m4
@@ -1,4 +1,4 @@
-# gnulib-common.m4 serial 24
+# gnulib-common.m4 serial 28
 dnl Copyright (C) 2007-2011 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -12,6 +12,19 @@ AC_DEFUN([gl_COMMON], [
   AC_REQUIRE([gl_COMMON_BODY])
 ])
 AC_DEFUN([gl_COMMON_BODY], [
+  AH_VERBATIM([_Noreturn],
+[/* The _Noreturn keyword of draft C1X.  */
+#ifndef _Noreturn
+# if (3 <= __GNUC__ || (__GNUC__ == 2 && 8 <= __GNUC_MINOR__) \
+      || 0x5110 <= __SUNPRO_C)
+#  define _Noreturn __attribute__ ((__noreturn__))
+# elif 1200 <= _MSC_VER
+#  define _Noreturn __declspec (noreturn)
+# else
+#  define _Noreturn
+# endif
+#endif
+])
   AH_VERBATIM([isoc99_inline],
 [/* Work around a bug in Apple GCC 4.0.1 build 5465: In C99 mode, it supports
    the ISO C 99 semantics of 'extern inline' (unlike the GNU C semantics of
@@ -34,6 +47,20 @@ AC_DEFUN([gl_COMMON_BODY], [
 /* The name _UNUSED_PARAMETER_ is an earlier spelling, although the name
    is a misnomer outside of parameter lists.  */
 #define _UNUSED_PARAMETER_ _GL_UNUSED
+
+/* The __pure__ attribute was added in gcc 2.96.  */
+#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 96)
+# define _GL_ATTRIBUTE_PURE __attribute__ ((__pure__))
+#else
+# define _GL_ATTRIBUTE_PURE /* empty */
+#endif
+
+/* The __const__ attribute was added in gcc 2.95.  */
+#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95)
+# define _GL_ATTRIBUTE_CONST __attribute__ ((__const__))
+#else
+# define _GL_ATTRIBUTE_CONST /* empty */
+#endif
 ])
   dnl Preparation for running test programs:
   dnl Tell glibc to write diagnostics from -D_FORTIFY_SOURCE=2 to stderr, not
@@ -47,16 +74,49 @@ AC_DEFUN([gl_COMMON_BODY], [
 # expands to a C preprocessor expression that evaluates to 1 or 0, depending
 # whether a gnulib module that has been requested shall be considered present
 # or not.
-AC_DEFUN([gl_MODULE_INDICATOR_CONDITION], [1])
+m4_define([gl_MODULE_INDICATOR_CONDITION], [1])
 
 # gl_MODULE_INDICATOR_SET_VARIABLE([modulename])
 # sets the shell variable that indicates the presence of the given module to
 # a C preprocessor expression that will evaluate to 1.
 AC_DEFUN([gl_MODULE_INDICATOR_SET_VARIABLE],
 [
-  GNULIB_[]m4_translit([[$1]],
-    [abcdefghijklmnopqrstuvwxyz./-],
-    [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])=gl_MODULE_INDICATOR_CONDITION
+  gl_MODULE_INDICATOR_SET_VARIABLE_AUX(
+    [GNULIB_[]m4_translit([[$1]],
+                          [abcdefghijklmnopqrstuvwxyz./-],
+                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])],
+    [gl_MODULE_INDICATOR_CONDITION])
+])
+
+# gl_MODULE_INDICATOR_SET_VARIABLE_AUX([variable])
+# modifies the shell variable to include the gl_MODULE_INDICATOR_CONDITION.
+# The shell variable's value is a C preprocessor expression that evaluates
+# to 0 or 1.
+AC_DEFUN([gl_MODULE_INDICATOR_SET_VARIABLE_AUX],
+[
+  m4_if(m4_defn([gl_MODULE_INDICATOR_CONDITION]), [1],
+    [
+     dnl Simplify the expression VALUE || 1 to 1.
+     $1=1
+    ],
+    [gl_MODULE_INDICATOR_SET_VARIABLE_AUX_OR([$1],
+                                             [gl_MODULE_INDICATOR_CONDITION])])
+])
+
+# gl_MODULE_INDICATOR_SET_VARIABLE_AUX_OR([variable], [condition])
+# modifies the shell variable to include the given condition.  The shell
+# variable's value is a C preprocessor expression that evaluates to 0 or 1.
+AC_DEFUN([gl_MODULE_INDICATOR_SET_VARIABLE_AUX_OR],
+[
+  dnl Simplify the expression 1 || CONDITION to 1.
+  if test "$[]$1" != 1; then
+    dnl Simplify the expression 0 || CONDITION to CONDITION.
+    if test "$[]$1" = 0; then
+      $1=$2
+    else
+      $1="($[]$1 || $2)"
+    fi
+  fi
 ])
 
 # gl_MODULE_INDICATOR([modulename])
diff --git a/lib/glm4/gnulib-comp.m4 b/lib/glm4/gnulib-comp.m4
index 1edfd35..17c2f39 100644
--- a/lib/glm4/gnulib-comp.m4
+++ b/lib/glm4/gnulib-comp.m4
@@ -26,19 +26,19 @@ AC_DEFUN([lgl_EARLY],
   m4_pattern_allow([^gl_LIBOBJS$])dnl a variable
   m4_pattern_allow([^gl_LTLIBOBJS$])dnl a variable
   AC_REQUIRE([AC_PROG_RANLIB])
-  # Code from module arg-nonnull:
-  # Code from module c++defs:
   # Code from module extensions:
   AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
   # Code from module include_next:
   # Code from module lib-symbol-versions:
   # Code from module lib-symbol-visibility:
   # Code from module multiarch:
+  # Code from module snippet/arg-nonnull:
+  # Code from module snippet/c++defs:
+  # Code from module snippet/warn-on-use:
   # Code from module stddef:
   # Code from module stdint:
   # Code from module string:
   # Code from module strverscmp:
-  # Code from module warn-on-use:
 ])
 
 # This macro should be invoked from ./configure.ac, in the section
@@ -62,6 +62,10 @@ gl_STDDEF_H
 gl_STDINT_H
 gl_HEADER_STRING_H
 gl_FUNC_STRVERSCMP
+if test $HAVE_STRVERSCMP = 0; then
+  AC_LIBOBJ([strverscmp])
+  gl_PREREQ_STRVERSCMP
+fi
 gl_STRING_MODULE_INDICATOR([strverscmp])
   # End of code from modules
   m4_ifval(lgl_LIBSOURCES_LIST, [
@@ -199,9 +203,9 @@ AC_DEFUN([lgltests_LIBSOURCES], [
 # This macro records the list of files which have been installed by
 # gnulib-tool and may be removed by future gnulib-tool invocations.
 AC_DEFUN([lgl_FILE_LIST], [
-  build-aux/arg-nonnull.h
-  build-aux/c++defs.h
-  build-aux/warn-on-use.h
+  build-aux/snippet/arg-nonnull.h
+  build-aux/snippet/c++defs.h
+  build-aux/snippet/warn-on-use.h
   lib/dummy.c
   lib/stddef.in.h
   lib/stdint.in.h
diff --git a/lib/glm4/stdint.m4 b/lib/glm4/stdint.m4
index dff37fe..c75e957 100644
--- a/lib/glm4/stdint.m4
+++ b/lib/glm4/stdint.m4
@@ -1,4 +1,4 @@
-# stdint.m4 serial 40
+# stdint.m4 serial 41
 dnl Copyright (C) 2001-2011 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -7,7 +7,7 @@ dnl with or without modifications, as long as this notice is 
preserved.
 dnl From Paul Eggert and Bruno Haible.
 dnl Test whether <stdint.h> is supported or must be substituted.
 
-AC_DEFUN([gl_STDINT_H],
+AC_DEFUN_ONCE([gl_STDINT_H],
 [
   AC_PREREQ([2.59])dnl
 
diff --git a/lib/glm4/strverscmp.m4 b/lib/glm4/strverscmp.m4
index 5d1a9ba..394b4c3 100644
--- a/lib/glm4/strverscmp.m4
+++ b/lib/glm4/strverscmp.m4
@@ -1,4 +1,4 @@
-# strverscmp.m4 serial 7
+# strverscmp.m4 serial 8
 dnl Copyright (C) 2002, 2005-2011 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -10,9 +10,8 @@ AC_DEFUN([gl_FUNC_STRVERSCMP],
   AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
 
   AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS])
-  AC_REPLACE_FUNCS([strverscmp])
+  AC_CHECK_FUNCS([strverscmp])
   if test $ac_cv_func_strverscmp = no; then
-    gl_PREREQ_STRVERSCMP
     HAVE_STRVERSCMP=0
   fi
 ])
diff --git a/maint.mk b/maint.mk
index 8727b3f..2da93bf 100644
--- a/maint.mk
+++ b/maint.mk
@@ -405,11 +405,11 @@ sc_prohibit_HAVE_MBRTOWC:
          $(_sc_search_regexp)
 
 # To use this "command" macro, you must first define two shell variables:
-# h: the header, enclosed in <> or ""
+# h: the header name, with no enclosing <> or ""
 # re: a regular expression that matches IFF something provided by $h is used.
 define _sc_header_without_use
   dummy=; : so we do not need a semicolon before each use;             \
-  h_esc=`echo "$$h"|sed 's/\./\\\\./g'`;                               \
+  h_esc=`echo '[<"]'"$$h"'[">]'|sed 's/\./\\\\./g'`;                   \
   if $(VC_LIST_EXCEPT) | grep -l '\.c$$' > /dev/null; then             \
     files=$$(grep -l '^# *include '"$$h_esc"                           \
             $$($(VC_LIST_EXCEPT) | grep '\.c$$')) &&                   \
@@ -422,42 +422,42 @@ endef
 
 # Prohibit the inclusion of assert.h without an actual use of assert.
 sc_prohibit_assert_without_use:
-       @h='<assert.h>' re='\<assert *\(' $(_sc_header_without_use)
+       @h='assert.h' re='\<assert *\(' $(_sc_header_without_use)
 
 # Prohibit the inclusion of close-stream.h without an actual use.
 sc_prohibit_close_stream_without_use:
-       @h='"close-stream.h"' re='\<close_stream *\(' $(_sc_header_without_use)
+       @h='close-stream.h' re='\<close_stream *\(' $(_sc_header_without_use)
 
 # Prohibit the inclusion of getopt.h without an actual use.
 sc_prohibit_getopt_without_use:
-       @h='<getopt.h>' re='\<getopt(_long)? *\(' $(_sc_header_without_use)
+       @h='getopt.h' re='\<getopt(_long)? *\(' $(_sc_header_without_use)
 
 # Don't include quotearg.h unless you use one of its functions.
 sc_prohibit_quotearg_without_use:
-       @h='"quotearg.h"' re='\<quotearg(_[^ ]+)? *\(' $(_sc_header_without_use)
+       @h='quotearg.h' re='\<quotearg(_[^ ]+)? *\(' $(_sc_header_without_use)
 
 # Don't include quote.h unless you use one of its functions.
 sc_prohibit_quote_without_use:
-       @h='"quote.h"' re='\<quote(_n)? *\(' $(_sc_header_without_use)
+       @h='quote.h' re='\<quote(_n)? *\(' $(_sc_header_without_use)
 
 # Don't include this header unless you use one of its functions.
 sc_prohibit_long_options_without_use:
-       @h='"long-options.h"' re='\<parse_long_options *\(' \
+       @h='long-options.h' re='\<parse_long_options *\(' \
          $(_sc_header_without_use)
 
 # Don't include this header unless you use one of its functions.
 sc_prohibit_inttostr_without_use:
-       @h='"inttostr.h"' re='\<(off|[iu]max|uint)tostr *\(' \
+       @h='inttostr.h' re='\<(off|[iu]max|uint)tostr *\(' \
          $(_sc_header_without_use)
 
 # Don't include this header unless you use one of its functions.
 sc_prohibit_ignore_value_without_use:
-       @h='"ignore-value.h"' re='\<ignore_(value|ptr) *\(' \
+       @h='ignore-value.h' re='\<ignore_(value|ptr) *\(' \
          $(_sc_header_without_use)
 
 # Don't include this header unless you use one of its functions.
 sc_prohibit_error_without_use:
-       @h='"error.h"' \
+       @h='error.h' \
        re='\<error(_at_line|_print_progname|_one_per_line|_message_count)? 
*\('\
          $(_sc_header_without_use)
 
@@ -480,7 +480,7 @@ sc_prohibit_error_without_use:
 _xa1 = x(((2n?)?re|char|n(re|m)|[cmz])alloc|alloc_(oversized|die)|(mem|str)dup)
 _xa2 = X([CZ]|N?M)ALLOC
 sc_prohibit_xalloc_without_use:
-       @h='"xalloc.h"' \
+       @h='xalloc.h' \
        re='\<($(_xa1)|$(_xa2)) *\('\
          $(_sc_header_without_use)
 
@@ -491,36 +491,46 @@ 
clear|delete|free|get_(first|next)|insert|lookup|print_statistics|reset_tuning
 _hash_fn = \<($(_hash_re)) *\(
 _hash_struct = (struct )?\<[Hh]ash_(table|tuning)\>
 sc_prohibit_hash_without_use:
-       @h='"hash.h"' \
+       @h='hash.h' \
        re='$(_hash_fn)|$(_hash_struct)'\
          $(_sc_header_without_use)
 
+sc_prohibit_cloexec_without_use:
+       @h='cloexec.h' re='\<(set_cloexec_flag|dup_cloexec) *\(' \
+         $(_sc_header_without_use)
+
+sc_prohibit_posixver_without_use:
+       @h='posixver.h' re='\<posix2_version *\(' $(_sc_header_without_use)
+
+sc_prohibit_same_without_use:
+       @h='same.h' re='\<same_name *\(' $(_sc_header_without_use)
+
 sc_prohibit_hash_pjw_without_use:
-       @h='"hash-pjw.h"' \
+       @h='hash-pjw.h' \
        re='\<hash_pjw *\(' \
          $(_sc_header_without_use)
 
 sc_prohibit_safe_read_without_use:
-       @h='"safe-read.h"' re='(\<SAFE_READ_ERROR\>|\<safe_read *\()' \
+       @h='safe-read.h' re='(\<SAFE_READ_ERROR\>|\<safe_read *\()' \
          $(_sc_header_without_use)
 
 sc_prohibit_argmatch_without_use:
-       @h='"argmatch.h"' \
-       
re='(\<(ARRAY_CARDINALITY|X?ARGMATCH(|_TO_ARGUMENT|_VERIFY))\>|\<argmatch(_exit_fn|_(in)?valid)
 *\()' \
+       @h='argmatch.h' \
+       
re='(\<(ARRAY_CARDINALITY|X?ARGMATCH(|_TO_ARGUMENT|_VERIFY))\>|\<(invalid_arg|argmatch(_exit_fn|_(in)?valid)?)
 *\()' \
          $(_sc_header_without_use)
 
 sc_prohibit_canonicalize_without_use:
-       @h='"canonicalize.h"' \
+       @h='canonicalize.h' \
        
re='CAN_(EXISTING|ALL_BUT_LAST|MISSING)|canonicalize_(mode_t|filename_mode)' \
          $(_sc_header_without_use)
 
 sc_prohibit_root_dev_ino_without_use:
-       @h='"root-dev-ino.h"' \
+       @h='root-dev-ino.h' \
        re='(\<ROOT_DEV_INO_(CHECK|WARN)\>|\<get_root_dev_ino *\()' \
          $(_sc_header_without_use)
 
 sc_prohibit_openat_without_use:
-       @h='"openat.h"' \
+       @h='openat.h' \
        
re='\<(openat_(permissive|needs_fchdir|(save|restore)_fail)|l?(stat|ch(own|mod))at|(euid)?accessat)\>'
 \
          $(_sc_header_without_use)
 
@@ -528,7 +538,7 @@ sc_prohibit_openat_without_use:
 ctype_re = isalnum|isalpha|isascii|isblank|iscntrl|isdigit|isgraph|islower\
 |isprint|ispunct|isspace|isupper|isxdigit|tolower|toupper
 sc_prohibit_c_ctype_without_use:
-       @h='[<"]c-ctype.h[">]' re='\<c_($(ctype_re)) *\(' \
+       @h='c-ctype.h' re='\<c_($(ctype_re)) *\(' \
          $(_sc_header_without_use)
 
 _empty =
@@ -564,37 +574,57 @@ _sig_syms_re = $(subst $(_sp),|,$(strip $(_sig_names) 
$(_sig_types_and_consts)))
 
 # Prohibit the inclusion of signal.h without an actual use.
 sc_prohibit_signal_without_use:
-       @h='<signal.h>'                                                 \
+       @h='signal.h'                                                   \
        re='\<($(_sig_function_re)) *\(|\<($(_sig_syms_re))\>'          \
          $(_sc_header_without_use)
 
+# Don't include stdio--.h unless you use one of its functions.
+sc_prohibit_stdio--_without_use:
+       @h='stdio--.h' re='\<((f(re)?|p)open|tmpfile) *\('              \
+         $(_sc_header_without_use)
+
+# Don't include stdio-safer.h unless you use one of its functions.
+sc_prohibit_stdio-safer_without_use:
+       @h='stdio-safer.h' re='\<((f(re)?|p)open|tmpfile)_safer *\('    \
+         $(_sc_header_without_use)
+
 # Prohibit the inclusion of strings.h without a sensible use.
 # Using the likes of bcmp, bcopy, bzero, index or rindex is not sensible.
 sc_prohibit_strings_without_use:
-       @h='<strings.h>'                                                \
+       @h='strings.h'                                                  \
        re='\<(strn?casecmp|ffs(ll)?)\>'                                \
          $(_sc_header_without_use)
 
 # Get the list of symbol names with this:
-# perl -lne '/^# *define (\w+)\(/ and print $1' lib/intprops.h|grep -v '^s'|fmt
+# perl -lne '/^# *define ([A-Z]\w+)\(/ and print $1' lib/intprops.h|fmt
 _intprops_names =                                                      \
   TYPE_IS_INTEGER TYPE_TWOS_COMPLEMENT TYPE_ONES_COMPLEMENT            \
   TYPE_SIGNED_MAGNITUDE TYPE_SIGNED TYPE_MINIMUM TYPE_MAXIMUM          \
-  INT_STRLEN_BOUND INT_BUFSIZE_BOUND
+  INT_BITS_STRLEN_BOUND INT_STRLEN_BOUND INT_BUFSIZE_BOUND             \
+  INT_ADD_RANGE_OVERFLOW INT_SUBTRACT_RANGE_OVERFLOW                   \
+  INT_NEGATE_RANGE_OVERFLOW INT_MULTIPLY_RANGE_OVERFLOW                        
\
+  INT_DIVIDE_RANGE_OVERFLOW INT_REMAINDER_RANGE_OVERFLOW               \
+  INT_LEFT_SHIFT_RANGE_OVERFLOW INT_ADD_OVERFLOW INT_SUBTRACT_OVERFLOW \
+  INT_NEGATE_OVERFLOW INT_MULTIPLY_OVERFLOW INT_DIVIDE_OVERFLOW                
\
+  INT_REMAINDER_OVERFLOW INT_LEFT_SHIFT_OVERFLOW
 _intprops_syms_re = $(subst $(_sp),|,$(strip $(_intprops_names)))
 # Prohibit the inclusion of intprops.h without an actual use.
 sc_prohibit_intprops_without_use:
-       @h='"intprops.h"'                                               \
+       @h='intprops.h'                                                 \
        re='\<($(_intprops_syms_re)) *\('                               \
          $(_sc_header_without_use)
 
 _stddef_syms_re = NULL|offsetof|ptrdiff_t|size_t|wchar_t
 # Prohibit the inclusion of stddef.h without an actual use.
 sc_prohibit_stddef_without_use:
-       @h='<stddef.h>'                                                 \
+       @h='stddef.h'                                                   \
        re='\<($(_stddef_syms_re)) *\('                                 \
          $(_sc_header_without_use)
 
+# Don't include xfreopen.h unless you use one of its functions.
+sc_prohibit_xfreopen_without_use:
+       @h='xfreopen.h' re='\<xfreopen *\(' $(_sc_header_without_use)
+
 sc_obsolete_symbols:
        @prohibit='\<(HAVE''_FCNTL_H|O''_NDELAY)\>'                     \
        halt='do not use HAVE''_FCNTL_H or O'_NDELAY                    \
@@ -646,12 +676,6 @@ sc_require_test_exit_idiom:
              exit 1; } || :;                                           \
        fi
 
-sc_the_the:
-       @prohibit='\<the ''the\>'                                       \
-       ignore_case=1                                                   \
-       halt='found use of "the ''the";'                                \
-         $(_sc_search_regexp)
-
 sc_trailing_blank:
        @prohibit='[     ]$$'                                           \
        halt='found trailing blank(s)'                                  \
@@ -666,11 +690,16 @@ sc_two_space_separator_in_usage:
        halt='help2man requires at least two spaces between an option and its 
description'\
          $(_sc_search_regexp)
 
+# A regexp matching function names like "error" that may be used
+# to emit translatable messages.
+_gl_translatable_diag_func_re ?= error
+
 # Look for diagnostics that aren't marked for translation.
 # This won't find any for which error's format string is on a separate line.
 sc_unmarked_diagnostics:
        @grep -nE                                                       \
-           '\<error *\([^"]*"[^"]*[a-z]{3}' $$($(VC_LIST_EXCEPT))      \
+           '\<$(_gl_translatable_diag_func_re) *\([^"]*"[^"]*[a-z]{3}' \
+               $$($(VC_LIST_EXCEPT))                                   \
          | grep -Ev '(_|ngettext ?)\(' &&                              \
          { echo '$(ME): found unmarked diagnostic(s)' 1>&2;            \
            exit 1; } || :
@@ -717,7 +746,7 @@ gl_other_headers_ ?= \
 gl_extract_significant_defines_ = \
   /^\# *define ([^_ (][^ (]*)(\s*\(|\s+\w+)/\
     && $$2 !~ /(?:rpl_|_used_without_)/\
-    && $$1 !~ /^(?:NSIG|ATTRIBUTE_NORETURN)$$/\
+    && $$1 !~ /^(?:NSIG)$$/\
     and print $$1
 
 # Create a list of regular expressions matching the names
@@ -729,7 +758,6 @@ define def_sym_regex
            perl -lne '$(gl_extract_significant_defines_)' $$f;         \
          done;                                                         \
        ) | sort -u                                                     \
-         | grep -Ev '^ATTRIBUTE_NORETURN'                              \
          | sed 's/^/^ *# *(define|undef)  */;s/$$/\\>/'
 endef
 
@@ -840,16 +868,21 @@ sc_prohibit_S_IS_definition:
        halt='do not define S_IS* macros; include <sys/stat.h>'         \
          $(_sc_search_regexp)
 
-prohibit_doubled_word_RE_ ?= \
-  /\b(then?|[iao]n|i[fst]|but|f?or|at|and|[dt]o)\s+\1\b/gims
-prohibit_doubled_word_ =                                               \
-    -e 'while ($(prohibit_doubled_word_RE_))'                          \
+# Perl block to convert a match to FILE_NAME:LINENO:TEST,
+# that is shared by two definitions below.
+perl_filename_lineno_text_ =                                           \
     -e '  {'                                                           \
     -e '    $$n = ($$` =~ tr/\n/\n/ + 1);'                             \
     -e '    ($$v = $$&) =~ s/\n/\\n/g;'                                        
\
     -e '    print "$$ARGV:$$n:$$v\n";'                                 \
     -e '  }'
 
+prohibit_doubled_word_RE_ ?= \
+  /\b(then?|[iao]n|i[fst]|but|f?or|at|and|[dt]o)\s+\1\b/gims
+prohibit_doubled_word_ =                                               \
+    -e 'while ($(prohibit_doubled_word_RE_))'                          \
+    $(perl_filename_lineno_text_)
+
 # Define this to a regular expression that matches
 # any filename:dd:match lines you want to ignore.
 # The default is to ignore no matches.
@@ -860,10 +893,24 @@ sc_prohibit_doubled_word:
          | grep -vE '$(ignore_doubled_word_match_RE_)'                 \
          | grep . && { echo '$(ME): doubled words' 1>&2; exit 1; } || :
 
-sc_prohibit_can_not:
-       @prohibit='\<can[ ]not\>'                                       \
-       halt='use "cannot", not "can'' not"'                            \
-         $(_sc_search_regexp)
+# A regular expression matching undesirable combinations of words like
+# "can not"; this matches them even when the two words appear on different
+# lines, but not when there is an intervening delimiter like "#" or "*".
+prohibit_undesirable_word_seq_RE_ ?=                                   \
+  /\bcan\s+not\b/gims
+prohibit_undesirable_word_seq_ =                                       \
+    -e 'while ($(prohibit_undesirable_word_seq_RE_))'                  \
+    $(perl_filename_lineno_text_)
+# Define this to a regular expression that matches
+# any filename:dd:match lines you want to ignore.
+# The default is to ignore no matches.
+ignore_undesirable_word_sequence_RE_ ?= ^$$
+
+sc_prohibit_undesirable_word_seq:
+       @perl -n -0777 $(prohibit_undesirable_word_seq_)                \
+            $$($(VC_LIST_EXCEPT))                                      \
+         | grep -vE '$(ignore_undesirable_word_sequence_RE_)' | grep . \
+         && { echo '$(ME): undesirable word sequence' >&2; exit 1; } || :
 
 _ptm1 = use "test C1 && test C2", not "test C1 -''a C2"
 _ptm2 = use "test C1 || test C2", not "test C1 -''o C2"
@@ -987,12 +1034,13 @@ apply the above patch\n'
 
 # Verify that all source files using _() are listed in po/POTFILES.in.
 po_file ?= $(srcdir)/po/POTFILES.in
+generated_files ?= $(srcdir)/lib/*.[ch]
 sc_po_check:
        @if test -f $(po_file); then                                    \
          grep -E -v '^(#|$$)' $(po_file)                               \
            | grep -v '^src/false\.c$$' | sort > address@hidden;                
        \
          files=;                                                       \
-         for file in $$($(VC_LIST_EXCEPT)) $(srcdir)/lib/*.[ch]; do    \
+         for file in $$($(VC_LIST_EXCEPT)) $(generated_files); do      \
            test -r $$file || continue;                                 \
            case $$file in                                              \
              *.m4|*.mk) continue ;;                                    \
@@ -1063,6 +1111,7 @@ sc_copyright_check:
 # the other init.sh-using tests also get it right.
 _hv_file ?= $(srcdir)/tests/help-version
 _hv_regex_weak ?= ^ *\. .*/init\.sh"
+# Fix syntax-highlighters "
 _hv_regex_strong ?= ^ *\. "\$${srcdir=\.}/init\.sh"
 sc_cross_check_PATH_usage_in_tests:
        @if test -f $(_hv_file); then                                   \
@@ -1090,6 +1139,14 @@ sc_Wundef_boolean:
        halt='Use 0 or 1 for macro values'                              \
          $(_sc_search_regexp)
 
+# Even if you use pathmax.h to guarantee that PATH_MAX is defined, it might
+# not be constant, or might overflow a stack.  In general, use PATH_MAX as
+# a limit, not an array or alloca size.
+sc_prohibit_path_max_allocation:
+       @prohibit='(\balloca *\([^)]*|\[[^]]*)PATH_MAX'                 \
+       halt='Avoid stack allocations of size PATH_MAX'                 \
+         $(_sc_search_regexp)
+
 sc_vulnerable_makefile_CVE-2009-4029:
        @prohibit='perm -777 -exec chmod a\+rwx|chmod 777 \$$\(distdir\)' \
        in_files=$$(find $(srcdir) -name Makefile.in)                   \
@@ -1123,11 +1180,20 @@ gpg_key_ID ?= \
          | sed -n '/.*key ID \([0-9A-F]*\)/s//\1/p'; rm -f .ann-sig)
 
 translation_project_ ?= address@hidden
-announcement_Cc_ ?= $(translation_project_), $(PACKAGE_BUGREPORT)
-announcement_mail_headers_ ?=                                          \
-To: address@hidden                                                     \
-Cc: $(announcement_Cc_)                                                        
\
-Mail-Followup-To: $(PACKAGE_BUGREPORT)
+
+# Make info-gnu the default only for a stable release.
+ifeq ($(RELEASE_TYPE),stable)
+  announcement_Cc_ ?= $(translation_project_), $(PACKAGE_BUGREPORT)
+  announcement_mail_headers_ ?=                                                
\
+    To: address@hidden                                         \
+    Cc: $(announcement_Cc_)                                            \
+    Mail-Followup-To: $(PACKAGE_BUGREPORT)
+else
+  announcement_Cc_ ?= $(translation_project_)
+  announcement_mail_headers_ ?=                                                
\
+    To: $(PACKAGE_BUGREPORT)                                           \
+    Cc: $(announcement_Cc_)
+endif
 
 announcement: NEWS ChangeLog $(rel-files)
        @$(build_aux)/announce-gen                                      \
@@ -1228,7 +1294,7 @@ gl_noteworthy_news_ = * Noteworthy changes in release ?.? 
(????-??-??) [?]
 release-prep:
        case $$RELEASE_TYPE in alpha|beta|stable) ;; \
          *) echo "invalid RELEASE_TYPE: $$RELEASE_TYPE" 1>&2; exit 1;; esac
-       $(MAKE) -s announcement > ~/announce-$(my_distdir)
+       $(MAKE) --no-print-directory -s announcement > ~/announce-$(my_distdir)
        if test -d $(release_archive_dir); then                 \
          ln $(rel-files) $(release_archive_dir);               \
          chmod a-w $(rel-files);                               \
@@ -1315,3 +1381,101 @@ update-copyright:
        grep -l -w Copyright                                             \
          $$(export VC_LIST_EXCEPT_DEFAULT=COPYING && $(VC_LIST_EXCEPT)) \
          | $(update-copyright-env) xargs $(build_aux)/$@
+
+# This tight_scope test is skipped with a warning if $(_gl_TS_headers) is not
+# overridden and $(_gl_TS_dir)/Makefile.am does not mention noinst_HEADERS.
+
+# NOTE: to override any _gl_TS_* default value, you must
+# define the variable(s) using "export" in cfg.mk.
+_gl_TS_dir ?= src
+
+ALL_RECURSIVE_TARGETS += sc_tight_scope
+sc_tight_scope: tight-scope.mk
+       @if ! grep '^ *export _gl_TS_headers *=' $(srcdir)/cfg.mk       \
+               > /dev/null                                             \
+          && ! grep -w noinst_HEADERS $(srcdir)/$(_gl_TS_dir)/Makefile.am \
+               > /dev/null 2>&1; then                                  \
+           echo '$(ME): skipping $@';                                  \
+       else                                                            \
+           $(MAKE) -s -C $(_gl_TS_dir)                                 \
+               -f Makefile                                             \
+               -f $(abs_top_srcdir)/cfg.mk                             \
+               -f $(abs_top_builddir)/$<                               \
+             _gl_tight_scope                                           \
+               || fail=1;                                              \
+       fi
+       @rm -f $<
+
+tight-scope.mk: $(ME)
+       @rm -f $@ address@hidden
+       @perl -ne '/^# TS-start/.../^# TS-end/ and print' $(ME) > address@hidden
+       @chmod a=r address@hidden && mv address@hidden $@
+
+ifeq (a,b)
+# TS-start
+
+# Most functions should have static scope.
+# Any that don't must be marked with `extern', but `main'
+# and `usage' are exceptions: they're always extern, but
+# do not need to be marked.  Symbols matching `__.*' are
+# reserved by the compiler, so are automatically excluded below.
+_gl_TS_unmarked_extern_functions ?= main usage
+_gl_TS_function_match ?= /^(?:$(_gl_TS_extern)) +.*?(\S+) +\(/
+
+# If your project uses a macro like "XTERN", then put
+# the following in cfg.mk to override this default:
+# export _gl_TS_extern = extern|XTERN
+_gl_TS_extern ?= extern
+
+# The second nm|grep checks for file-scope variables with `extern' scope.
+# Without gnulib's progname module, you might put program_name here.
+# Symbols matching `__.*' are reserved by the compiler,
+# so are automatically excluded below.
+_gl_TS_unmarked_extern_vars ?=
+
+# NOTE: the _match variables are perl expressions -- not mere regular
+# expressions -- so that you can extend them to match other patterns
+# and easily extract matched variable names.
+# For example, if your project declares some global variables via
+# a macro like this: GLOBAL(type, var_name, initializer), then you
+# can override this definition to automatically extract those names:
+# export _gl_TS_var_match = \
+#   /^(?:$(_gl_TS_extern)) .*?\**(\w+)(\[.*?\])?;/ || /\bGLOBAL\(.*?,\s*(.*?),/
+_gl_TS_var_match ?= /^(?:$(_gl_TS_extern)) .*?(\w+)(\[.*?\])?;/
+
+# The names of object files in (or relative to) $(_gl_TS_dir).
+_gl_TS_obj_files ?= *.$(OBJEXT)
+
+# Files in which to search for the one-line style extern declarations.
+# $(_gl_TS_dir)-relative.
+_gl_TS_headers ?= $(noinst_HEADERS)
+
+.PHONY: _gl_tight_scope
+_gl_tight_scope: $(bin_PROGRAMS)
+       t=exceptions-$$$$;                                              \
+       trap 's=$$?; rm -f $$t; exit $$s' 0;                            \
+       for sig in 1 2 3 13 15; do                                      \
+         eval "trap 'v=`expr $$sig + 128`; (exit $$v); exit $$v' $$sig"; \
+       done;                                                           \
+       src=`for f in $(SOURCES); do                                    \
+              test -f $$f && d= || d=$(srcdir)/; echo $$d$$f; done`;   \
+       hdr=`for f in $(_gl_TS_headers); do                             \
+              test -f $$f && d= || d=$(srcdir)/; echo $$d$$f; done`;   \
+       ( printf '^%s$$\n' '__.*' $(_gl_TS_unmarked_extern_functions);  \
+         grep -h -A1 '^extern .*[^;]$$' $$src                          \
+           | grep -vE '^(extern |--)' | sed 's/ .*//';                 \
+         perl -lne                                                     \
+            '$(_gl_TS_function_match) and print "^$$1\$$"' $$hdr;      \
+       ) | sort -u > $$t;                                              \
+       nm -e $(_gl_TS_obj_files) | sed -n 's/.* T //p'|grep -Ev -f $$t \
+         && { echo the above functions should have static scope >&2;   \
+              exit 1; } || : ;                                         \
+       ( printf '^%s$$\n' '__.*' $(_gl_TS_unmarked_extern_vars);       \
+         perl -lne '$(_gl_TS_var_match) and print "^$$1\$$"' $$hdr *.h \
+       ) | sort -u > $$t;                                              \
+       nm -e $(_gl_TS_obj_files) | sed -n 's/.* [BCDGRS] //p'          \
+            | sort -u | grep -Ev -f $$t                                        
\
+         && { echo the above variables should have static scope >&2;   \
+              exit 1; } || :
+# TS-end
+endif


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