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bug#10155: OSX breakage


From: Paul Eggert
Subject: bug#10155: OSX breakage
Date: Tue, 29 Nov 2011 08:58:34 -0800
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:8.0) Gecko/20111115 Thunderbird/8.0

On 11/29/11 05:56, Stefan Monnier wrote:
>> --- .bzrignore       2011-09-29 14:19:11 +0000
>> +++ .bzrignore       2011-10-17 01:22:19 +0000
>> @@ -53,6 +53,7 @@
>>  lib/c++defs.h
>>  lib/getopt.h
>>  lib/inttypes.h
>> +lib/stdalign.h
>>  lib/stdbool.h
>>  lib/stdio.h
>>  lib/stdint.h
> 
> Shouldn't these be covered by a glob lib/*.h instead?

No, because the pattern "lib/*.h" would match many files that are
checked in under bzr and that we don't want bzr to ignore, such as
lib/allocator.h and lib/min-max.h.

> Syncing gnulib shouldn't impose such a change.

You're right, on further thought Emacs itself needn't use stdalign,
and I've prepared a simpler patch (below) that omits all changes to
src/*.  Gnulib now uses stdalign, though, and Emacs uses
multiple Gnulib modules such as sha256 that use stdalign, so
this patch still brings in the stdalign module for Gnulib's own
purposes.

About 90% of the following patch is automatically generated by the
sync from gnulib.  The only parts that aren't automatic are the
changes to Makefile.in, .bzrignore, config.bat, msdos/sedlibmk.inp,
and the ChangeLog files.  I've reordered the patch to list these
changes first, for easier reviewing.  I'm also CC'ing this to Eli
as the proposed config.bat and msdos changes affect Microsoft builds.

=== modified file 'ChangeLog'
--- ChangeLog   2011-11-27 18:33:17 +0000
+++ ChangeLog   2011-11-29 16:38:21 +0000
@@ -1,3 +1,19 @@
+2011-11-29  Paul Eggert  <address@hidden>
+
+       Use Gnulib environ module, syncing from Gnulib.
+       * Makefile.in (GNULIB_MODULES): Add environ.
+       * m4/environ.m4: New file, from gnulib.
+       * lib/stdalign.in.h, m4/environ.m4, m4/stdalign.m4:
+       New files, from gnulib.
+       * .bzrignore: Add lib/stdalign.h.
+       * config.bat: Copy lib/stdalign.in.h to lib/stdalign.in-h as needed.
+       * doc/misc/texinfo.tex, lib/gettext.h, lib/gnulib.mk:
+       * lib/md5.c, lib/sha1.c, lib/sha256.c, lib/sha512.c:
+       * lib/sigprocmask.c, lib/stdlib.in.h:
+       * m4/dup2.m4, m4/getopt.m4, m4/gl-comp.m4, m4/gnulib-common.m4:
+       * m4/include_next.m4, m4/pthread_sigmask.m4, m4/stdlib_h.m4:
+       * m4/unistd_h.m4: Merge from gnulib.
+
 2011-11-27  Jan Djärv  <address@hidden>
 
        * configure.in: Check for gtk_window_set_has_resize_grip.

=== modified file 'Makefile.in'
--- Makefile.in 2011-11-22 01:56:49 +0000
+++ Makefile.in 2011-11-29 16:38:21 +0000
@@ -334,7 +334,7 @@
 GNULIB_MODULES = \
   alloca-opt \
   careadlinkat crypto/md5 crypto/sha1 crypto/sha256 crypto/sha512 dtoastr \
-  dup2 \
+  dup2 environ \
   filemode getloadavg getopt-gnu ignore-value intprops lstat \
   mktime pthread_sigmask readlink \
   socklen stdarg stdio strftime strtoimax strtoumax symlink sys_stat

=== modified file '.bzrignore'
--- .bzrignore  2011-09-29 14:19:11 +0000
+++ .bzrignore  2011-11-29 16:38:21 +0000
@@ -53,6 +53,7 @@
 lib/c++defs.h
 lib/getopt.h
 lib/inttypes.h
+lib/stdalign.h
 lib/stdbool.h
 lib/stdio.h
 lib/stdint.h

=== modified file 'config.bat'
--- config.bat  2011-10-31 17:49:10 +0000
+++ config.bat  2011-11-29 16:38:21 +0000
@@ -283,6 +283,7 @@
 If Exist build-aux\snippet\c++defs.h update build-aux/snippet/c++defs.h 
build-aux/snippet/cxxdefs.h

 If Exist alloca.in.h update alloca.in.h alloca.in-h

 If Exist getopt.in.h update getopt.in.h getopt.in-h

+If Exist stdalign.in.h update stdalign.in.h stdalign.in-h

 If Exist stdbool.in.h update stdbool.in.h stdbool.in-h

 If Exist signal.in.h update signal.in.h signal.in-h

 If Exist stddef.in.h update stddef.in.h  stddef.in-h

@@ -346,4 +347,3 @@
 set djgpp_ver=

 set sys_malloc=

 set libxml=

-


=== modified file 'msdos/ChangeLog'
--- msdos/ChangeLog     2011-10-31 17:37:39 +0000
+++ msdos/ChangeLog     2011-11-29 16:38:21 +0000
@@ -1,3 +1,9 @@
+2011-11-29  Paul Eggert  <address@hidden>
+
+       Adjust to Gnulib stdalign module.
+       * sedlibmk.inp (STDALIGN_H, @GL_GENERATE_STDALIGN_H_TRUE@)
+       (GL_GENERATE_STDALIGN_H_FALSE): New edits.
+
 2011-10-31  Eli Zaretskii  <address@hidden>
 
        * sed3v2.inp (insrcdir): Comment out definition.

=== modified file 'msdos/sedlibmk.inp'
--- msdos/sedlibmk.inp  2011-09-29 12:00:18 +0000
+++ msdos/sedlibmk.inp  2011-11-29 16:38:21 +0000
@@ -27,7 +27,7 @@
 #    otherwise edit them to zero:
 #
 #     /^REPLACE_CALLOC *=/s/@REPLACE_CALLOC@/0/
-# 
+#
 #  . If the module is a header or adds headers, edit the corresponding
 #    variable to either an empty value or to the name of the header.
 #    Examples:
@@ -547,6 +547,7 @@
 /^SIZE_T_SUFFIX *=/s/@SIZE_T_SUFFIX@/u/
 /^ALLOCA_H *=/s/@address@hidden@/alloca.h/
 /^STDBOOL_H *=/s/@address@hidden@//
+/^STDALIGN_H *=/s/@address@hidden@/stdalign.h/
 /^STDARG_H *=/s/@address@hidden@//
 /^STDDEF_H *=/s/@address@hidden@//
 /^STDINT_H *=/s/@address@hidden@/stdint.h/
@@ -600,6 +601,8 @@
 s/address@hidden@/\#/
 s/address@hidden@/\#/
 s/address@hidden@//
+s/address@hidden@//
+s/address@hidden@/\#/
 s/address@hidden@/\#/
 s/address@hidden@/\#/
 s/address@hidden@/\#/

=== modified file 'doc/misc/ChangeLog'
--- doc/misc/ChangeLog  2011-11-25 13:26:30 +0000
+++ doc/misc/ChangeLog  2011-11-29 16:38:21 +0000
@@ -1,3 +1,7 @@
+2011-11-29  Paul Eggert  <address@hidden>
+
+       * texinfo.tex: Sync from gnulib.
+
 2011-11-24  Glenn Morris  <address@hidden>
 
        * gnus.texi, smtpmail.texi: Fix case of "GnuTLS".

=== modified file 'doc/misc/texinfo.tex'
--- doc/misc/texinfo.tex        2011-09-26 21:30:18 +0000
+++ doc/misc/texinfo.tex        2011-11-29 16:38:21 +0000
@@ -3,7 +3,7 @@
 % Load plain if necessary, i.e., if running under initex.
 \expandafter\ifx\csname fmtname\endcsname\relax\input plain\fi
 %
-\def\texinfoversion{2011-09-23.09}
+\def\texinfoversion{2011-11-09.15}
 %
 % Copyright 1985, 1986, 1988, 1990, 1991, 1992, 1993, 1994, 1995,
 % 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
@@ -116,6 +116,7 @@
 % Set up fixed words for English if not already set.
 \ifx\putwordAppendix\undefined  \gdef\putwordAppendix{Appendix}\fi
 \ifx\putwordChapter\undefined   \gdef\putwordChapter{Chapter}\fi
+\ifx\putworderror\undefined     \gdef\putworderror{error}\fi
 \ifx\putwordfile\undefined      \gdef\putwordfile{file}\fi
 \ifx\putwordin\undefined        \gdef\putwordin{in}\fi
 \ifx\putwordIndexIsEmpty\undefined       \gdef\putwordIndexIsEmpty{(Index is 
empty)}\fi
@@ -1194,29 +1195,31 @@
     \def\imagewidth{#2}\setbox0 = \hbox{\ignorespaces #2}%
     \def\imageheight{#3}\setbox2 = \hbox{\ignorespaces #3}%
     %
-    % pdftex (and the PDF format) support .png, .jpg, .pdf (among
-    % others).  Let's try in that order.
+    % pdftex (and the PDF format) support .pdf, .png, .jpg (among
+    % others).  Let's try in that order, PDF first since if
+    % someone has a scalable image, presumably better to use that than a
+    % bitmap.
     \let\pdfimgext=\empty
     \begingroup
-      \openin 1 #1.png \ifeof 1
-        \openin 1 #1.jpg \ifeof 1
-          \openin 1 #1.jpeg \ifeof 1
-            \openin 1 #1.JPG \ifeof 1
-              \openin 1 #1.pdf \ifeof 1
-                \openin 1 #1.PDF \ifeof 1
+      \openin 1 #1.pdf \ifeof 1
+        \openin 1 #1.PDF \ifeof 1
+          \openin 1 #1.png \ifeof 1
+            \openin 1 #1.jpg \ifeof 1
+              \openin 1 #1.jpeg \ifeof 1
+                \openin 1 #1.JPG \ifeof 1
                   \errhelp = \nopdfimagehelp
                   \errmessage{Could not find image file #1 for pdf}%
-                \else \gdef\pdfimgext{PDF}%
+                \else \gdef\pdfimgext{JPG}%
                 \fi
-              \else \gdef\pdfimgext{pdf}%
+              \else \gdef\pdfimgext{jpeg}%
               \fi
-            \else \gdef\pdfimgext{JPG}%
+            \else \gdef\pdfimgext{jpg}%
             \fi
-          \else \gdef\pdfimgext{jpeg}%
+          \else \gdef\pdfimgext{png}%
           \fi
-        \else \gdef\pdfimgext{jpg}%
+        \else \gdef\pdfimgext{PDF}%
         \fi
-      \else \gdef\pdfimgext{png}%
+      \else \gdef\pdfimgext{pdf}%
       \fi
       \closein 1
     \endgroup
@@ -2372,7 +2375,9 @@
   \else\ifx\next-%
   \else\ifx\next.%
   \else\ptexslash
-  \fi\fi\fi}
+  \fi\fi\fi
+  \aftersmartic
+}
 
 % like \smartslanted except unconditionally uses \ttsl, and no ic.
 % @var is set to this for defun arguments.
@@ -2382,9 +2387,15 @@
 % ttsl for book titles, do we?
 \def\cite#1{{\sl #1}\futurelet\next\smartitaliccorrection}
 
+\def\aftersmartic{}
+\def\var#1{%
+  \let\saveaftersmartic = \aftersmartic
+  \def\aftersmartic{\null\let\aftersmartic=\saveaftersmartic}%
+  \smartslanted{#1}%
+}
+
 \let\i=\smartitalic
 \let\slanted=\smartslanted
-\def\var#1{\smartslanted{#1}}
 \let\dfn=\smartslanted
 \let\emph=\smartitalic
 
@@ -2480,7 +2491,7 @@
     \plainfrenchspacing
     #1%
   }%
-  \null
+  \null % reset spacefactor to 1000
 }
 
 % We *must* turn on hyphenation at `-' and `_' in @code.
@@ -2762,6 +2773,7 @@
   \ifx\temp\empty \else
     \space ({\unsepspaces \ignorespaces \temp \unskip})%
   \fi
+  \null % reset \spacefactor=1000
 }
 
 % @abbr for "Comput. J." and the like.
@@ -2774,6 +2786,7 @@
   \ifx\temp\empty \else
     \space ({\unsepspaces \ignorespaces \temp \unskip})%
   \fi
+  \null % reset \spacefactor=1000
 }
 
 % @asis just yields its argument.  Used with @table, for example.
@@ -2979,7 +2992,7 @@
 {\tentt \global\dimen0 = 3em}% Width of the box.
 \dimen2 = .55pt % Thickness of rules
 % The text. (`r' is open on the right, `e' somewhat less so on the left.)
-\setbox0 = \hbox{\kern-.75pt \reducedsf error\kern-1.5pt}
+\setbox0 = \hbox{\kern-.75pt \reducedsf \putworderror\kern-1.5pt}
 %
 \setbox\errorbox=\hbox to \dimen0{\hfil
    \hsize = \dimen0 \advance\hsize by -5.8pt % Space to left+right.
@@ -8103,7 +8116,7 @@
 % space to prevent strange expansion errors.)
 \def\supereject{\par\penalty -20000\footnoteno =0 }
 
-% @footnotestyle is meaningful for info output only.
+% @footnotestyle is meaningful for Info output only.
 \let\footnotestyle=\comment
 
 {\catcode address@hidden
@@ -8166,6 +8179,8 @@
   % expands into a box, it must come within the paragraph, lest it
   % provide a place where TeX can split the footnote.
   \footstrut
+  %
+  % Invoke rest of plain TeX footnote routine.
   address@hidden
 }
 }%end \catcode address@hidden

=== modified file 'lib/gettext.h'
--- lib/gettext.h       2011-02-15 04:53:29 +0000
+++ lib/gettext.h       2011-11-29 16:38:21 +0000
@@ -185,7 +185,7 @@
 #include <string.h>
 
 #define _LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS \
-  (((__GNUC__ >= 3 || __GNUG__ >= 2) && !__STRICT_ANSI__) \
+  (((__GNUC__ >= 3 || __GNUG__ >= 2) && !defined __STRICT_ANSI__) \
    /* || __STDC_VERSION__ >= 199901L */ )
 
 #if !_LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS

=== modified file 'lib/gnulib.mk'
--- lib/gnulib.mk       2011-09-26 21:30:18 +0000
+++ lib/gnulib.mk       2011-11-29 16:38:21 +0000
@@ -21,7 +21,7 @@
 # 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 
--m4-base=m4 --doc-base=doc --tests-base=tests --aux-dir=build-aux 
--avoid=msvc-inval --avoid=msvc-nothrow --avoid=pathmax --avoid=raise 
--avoid=threadlib --makefile-name=gnulib.mk --conditional-dependencies 
--no-libtool --macro-prefix=gl --no-vc-files alloca-opt careadlinkat crypto/md5 
crypto/sha1 crypto/sha256 crypto/sha512 dtoastr dup2 filemode getloadavg 
getopt-gnu ignore-value intprops lstat mktime pthread_sigmask readlink socklen 
stdarg stdio strftime strtoimax strtoumax symlink sys_stat
+# Reproduce by: gnulib-tool --import --dir=. --lib=libgnu --source-base=lib 
--m4-base=m4 --doc-base=doc --tests-base=tests --aux-dir=build-aux 
--avoid=msvc-inval --avoid=msvc-nothrow --avoid=pathmax --avoid=raise 
--avoid=threadlib --makefile-name=gnulib.mk --conditional-dependencies 
--no-libtool --macro-prefix=gl --no-vc-files alloca-opt careadlinkat crypto/md5 
crypto/sha1 crypto/sha256 crypto/sha512 dtoastr dup2 environ filemode 
getloadavg getopt-gnu ignore-value intprops lstat mktime pthread_sigmask 
readlink socklen stdarg stdio strftime strtoimax strtoumax symlink sys_stat
 
 
 MOSTLYCLEANFILES += core *.stackdump
@@ -421,6 +421,29 @@
 
 ## end   gnulib module stat
 
+## begin gnulib module stdalign
+
+BUILT_SOURCES += $(STDALIGN_H)
+
+# We need the following in order to create <stdalign.h> when the system
+# doesn't have one that works.
+if GL_GENERATE_STDALIGN_H
+stdalign.h: stdalign.in.h $(top_builddir)/config.status
+       $(AM_V_GEN)rm -f address@hidden $@ && \
+       { echo '/* DO NOT EDIT! GENERATED AUTOMATICALLY! */'; \
+         cat $(srcdir)/stdalign.in.h; \
+       } > address@hidden && \
+       mv address@hidden $@
+else
+stdalign.h: $(top_builddir)/config.status
+       rm -f $@
+endif
+MOSTLYCLEANFILES += stdalign.h stdalign.h-t
+
+EXTRA_DIST += stdalign.in.h
+
+## end   gnulib module stdalign
+
 ## begin gnulib module stdarg
 
 BUILT_SOURCES += $(STDARG_H)
@@ -710,7 +733,9 @@
              -e 's/@''GNULIB_MKOSTEMPS''@/$(GNULIB_MKOSTEMPS)/g' \
              -e 's/@''GNULIB_MKSTEMP''@/$(GNULIB_MKSTEMP)/g' \
              -e 's/@''GNULIB_MKSTEMPS''@/$(GNULIB_MKSTEMPS)/g' \
+             -e 's/@''GNULIB_POSIX_OPENPT''@/$(GNULIB_POSIX_OPENPT)/g' \
              -e 's/@''GNULIB_PTSNAME''@/$(GNULIB_PTSNAME)/g' \
+             -e 's/@''GNULIB_PTSNAME_R''@/$(GNULIB_PTSNAME_R)/g' \
              -e 's/@''GNULIB_PUTENV''@/$(GNULIB_PUTENV)/g' \
              -e 's/@''GNULIB_RANDOM_R''@/$(GNULIB_RANDOM_R)/g' \
              -e 's/@''GNULIB_REALLOC_POSIX''@/$(GNULIB_REALLOC_POSIX)/g' \
@@ -736,7 +761,9 @@
              -e 's|@''HAVE_MKOSTEMPS''@|$(HAVE_MKOSTEMPS)|g' \
              -e 's|@''HAVE_MKSTEMP''@|$(HAVE_MKSTEMP)|g' \
              -e 's|@''HAVE_MKSTEMPS''@|$(HAVE_MKSTEMPS)|g' \
+             -e 's|@''HAVE_POSIX_OPENPT''@|$(HAVE_POSIX_OPENPT)|g' \
              -e 's|@''HAVE_PTSNAME''@|$(HAVE_PTSNAME)|g' \
+             -e 's|@''HAVE_PTSNAME_R''@|$(HAVE_PTSNAME_R)|g' \
              -e 's|@''HAVE_RANDOM_H''@|$(HAVE_RANDOM_H)|g' \
              -e 's|@''HAVE_RANDOM_R''@|$(HAVE_RANDOM_R)|g' \
              -e 's|@''HAVE_REALPATH''@|$(HAVE_REALPATH)|g' \
@@ -754,6 +781,7 @@
              -e 's|@''REPLACE_MALLOC''@|$(REPLACE_MALLOC)|g' \
              -e 's|@''REPLACE_MBTOWC''@|$(REPLACE_MBTOWC)|g' \
              -e 's|@''REPLACE_MKSTEMP''@|$(REPLACE_MKSTEMP)|g' \
+             -e 's|@''REPLACE_PTSNAME_R''@|$(REPLACE_PTSNAME_R)|g' \
              -e 's|@''REPLACE_PUTENV''@|$(REPLACE_PUTENV)|g' \
              -e 's|@''REPLACE_REALLOC''@|$(REPLACE_REALLOC)|g' \
              -e 's|@''REPLACE_REALPATH''@|$(REPLACE_REALPATH)|g' \
@@ -1004,7 +1032,7 @@
              -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_GETOPT''@/0$(GNULIB_GL_UNISTD_H_GETOPT)/g' \
              -e 
's/@''GNULIB_UNISTD_H_NONBLOCKING''@/$(GNULIB_UNISTD_H_NONBLOCKING)/g' \
              -e 's/@''GNULIB_UNISTD_H_SIGPIPE''@/$(GNULIB_UNISTD_H_SIGPIPE)/g' 
\
              -e 's/@''GNULIB_UNLINK''@/$(GNULIB_UNLINK)/g' \

=== modified file 'lib/md5.c'
--- lib/md5.c   2011-02-19 07:28:29 +0000
+++ lib/md5.c   2011-11-29 16:38:21 +0000
@@ -24,7 +24,8 @@
 
 #include "md5.h"
 
-#include <stddef.h>
+#include <stdalign.h>
+#include <stdint.h>
 #include <stdlib.h>
 #include <string.h>
 #include <sys/types.h>
@@ -254,8 +255,7 @@
   if (len >= 64)
     {
 #if !_STRING_ARCH_unaligned
-# define alignof(type) offsetof (struct { char c; type x; }, x)
-# define UNALIGNED_P(p) (((size_t) p) % alignof (uint32_t) != 0)
+# define UNALIGNED_P(p) ((uintptr_t) (p) % alignof (uint32_t) != 0)
       if (UNALIGNED_P (buffer))
         while (len > 64)
           {

=== modified file 'lib/sha1.c'
--- lib/sha1.c  2011-05-24 08:12:52 +0000
+++ lib/sha1.c  2011-11-29 16:38:21 +0000
@@ -26,7 +26,8 @@
 
 #include "sha1.h"
 
-#include <stddef.h>
+#include <stdalign.h>
+#include <stdint.h>
 #include <stdlib.h>
 #include <string.h>
 
@@ -241,8 +242,7 @@
   if (len >= 64)
     {
 #if !_STRING_ARCH_unaligned
-# define alignof(type) offsetof (struct { char c; type x; }, x)
-# define UNALIGNED_P(p) (((size_t) p) % alignof (uint32_t) != 0)
+# define UNALIGNED_P(p) ((uintptr_t) (p) % alignof (uint32_t) != 0)
       if (UNALIGNED_P (buffer))
         while (len > 64)
           {

=== modified file 'lib/sha256.c'
--- lib/sha256.c        2011-11-20 03:48:53 +0000
+++ lib/sha256.c        2011-11-29 16:38:21 +0000
@@ -24,7 +24,8 @@
 
 #include "sha256.h"
 
-#include <stddef.h>
+#include <stdalign.h>
+#include <stdint.h>
 #include <stdlib.h>
 #include <string.h>
 
@@ -51,7 +52,7 @@
 
 /*
   Takes a pointer to a 256 bit block of data (eight 32 bit ints) and
-  initializes it to the start constants of the SHA256 algorithm.  This
+  intializes it to the start constants of the SHA256 algorithm.  This
   must be called before using hash in the call to sha256_hash
 */
 void
@@ -373,8 +374,7 @@
   if (len >= 64)
     {
 #if !_STRING_ARCH_unaligned
-# define alignof(type) offsetof (struct { char c; type x; }, x)
-# define UNALIGNED_P(p) (((size_t) p) % alignof (uint32_t) != 0)
+# define UNALIGNED_P(p) ((uintptr_t) (p) % alignof (uint32_t) != 0)
       if (UNALIGNED_P (buffer))
         while (len > 64)
           {

=== modified file 'lib/sha512.c'
--- lib/sha512.c        2011-11-20 03:48:53 +0000
+++ lib/sha512.c        2011-11-29 16:38:21 +0000
@@ -24,7 +24,8 @@
 
 #include "sha512.h"
 
-#include <stddef.h>
+#include <stdalign.h>
+#include <stdint.h>
 #include <stdlib.h>
 #include <string.h>
 
@@ -58,7 +59,7 @@
 
 /*
   Takes a pointer to a 512 bit block of data (eight 64 bit ints) and
-  initializes it to the start constants of the SHA512 algorithm.  This
+  intializes it to the start constants of the SHA512 algorithm.  This
   must be called before using hash in the call to sha512_hash
 */
 void
@@ -381,8 +382,7 @@
   if (len >= 128)
     {
 #if !_STRING_ARCH_unaligned
-# define alignof(type) offsetof (struct { char c; type x; }, x)
-# define UNALIGNED_P(p) (((size_t) p) % alignof (u64) != 0)
+# define UNALIGNED_P(p) ((uintptr_t) (p) % alignof (u64) != 0)
       if (UNALIGNED_P (buffer))
         while (len > 128)
           {

=== modified file 'lib/sigprocmask.c'
--- lib/sigprocmask.c   2011-10-07 21:15:00 +0000
+++ lib/sigprocmask.c   2011-11-29 16:38:21 +0000
@@ -344,5 +344,6 @@
       else if (handler != SIG_IGN)
         (*handler) (SIGPIPE);
     }
+  return 0;
 }
 #endif

=== added file 'lib/stdalign.in.h'
--- lib/stdalign.in.h   1970-01-01 00:00:00 +0000
+++ lib/stdalign.in.h   2011-11-29 16:38:21 +0000
@@ -0,0 +1,89 @@
+/* A substitute for ISO C 1x <stdalign.h>.
+
+   Copyright 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.  */
+
+/* Written by Paul Eggert and Bruno Haible.  */
+
+#ifndef _GL_STDALIGN_H
+#define _GL_STDALIGN_H
+
+/* ISO C1X <stdalign.h> for platforms that lack it.
+
+   References:
+   ISO C1X <http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1570.pdf>
+   sections 6.5.3.4, 6.7.5, 7.15.
+   C++0X <http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2011/n3242.pdf>
+   section 18.10. */
+
+/* alignof (TYPE), also known as _Alignof (TYPE), yields the alignment
+   requirement of a structure member (i.e., slot or field) that is of
+   type TYPE, as an integer constant expression.
+
+   This differs from GCC's __alignof__ operator, which can yield a
+   better-performing alignment for an object of that type.  For
+   example, on x86 with GCC, __alignof__ (double) and __alignof__
+   (long long) are 8, whereas alignof (double) and alignof (long long)
+   are 4 unless the option '-malign-double' is used.
+
+   The result cannot be used as a value for an 'enum' constant, if you
+   want to be portable to HP-UX 10.20 cc and AIX 3.2.5 xlc.  */
+#include <stddef.h>
+#if defined __cplusplus
+   template <class __t> struct __alignof_helper { char __a; __t __b; };
+# define _Alignof(type) offsetof (__alignof_helper<type>, __b)
+#else
+# define _Alignof(type) offsetof (struct { char __a; type __b; }, __b)
+#endif
+#define alignof _Alignof
+#define __alignof_is_defined 1
+
+/* alignas (A), also known as _Alignas (A), aligns a variable or type
+   to the alignment A, where A is an integer constant expression.  For
+   example:
+
+      int alignas (8) foo;
+      struct s { int a; int alignas (8) bar; };
+
+   aligns the address of FOO and the offset of BAR to be multiples of 8.
+
+   A should be a power of two that is at least the type's alignment
+   and at most the implementation's alignment limit.  This limit is
+   2**28 on typical GNUish hosts, and 2**13 on MSVC.  To be portable
+   to MSVC through at least version 10.0, A should be an integer
+   constant, as MSVC does not support expressions such as 1 << 3.
+   To be portable to Sun C 5.11, do not align auto variables to
+   anything stricter than their default alignment.
+
+   The following draft C1X requirements are not supported here:
+
+     - If A is zero, alignas has no effect.
+     - alignas can be used multiple times; the strictest one wins.
+     - alignas (TYPE) is equivalent to alignas (alignof (TYPE)).
+
+   */
+
+#if __GNUC__ || __IBMC__ || __IBMCPP__ || 0x5110 <= __SUNPRO_C
+# define _Alignas(a) __attribute__ ((__aligned__ (a)))
+#elif 1300 <= _MSC_VER
+# define _Alignas(a) __declspec (align (a))
+#endif
+#ifdef _Alignas
+# define alignas _Alignas
+# define __alignas_is_defined 1
+#endif
+
+#endif /* _GL_STDALIGN_H */

=== modified file 'lib/stdlib.in.h'
--- lib/stdlib.in.h     2011-07-24 22:15:47 +0000
+++ lib/stdlib.in.h     2011-11-29 16:38:21 +0000
@@ -247,7 +247,7 @@
 #elif defined GNULIB_POSIXCHECK
 # undef grantpt
 # if HAVE_RAW_DECL_GRANTPT
-_GL_WARN_ON_USE (ptsname, "grantpt is not portable - "
+_GL_WARN_ON_USE (grantpt, "grantpt is not portable - "
                  "use gnulib module grantpt for portability");
 # endif
 #endif
@@ -423,6 +423,22 @@
 # endif
 #endif
 
+#if @GNULIB_POSIX_OPENPT@
+/* Return an FD open to the master side of a pseudo-terminal.  Flags should
+   include O_RDWR, and may also include O_NOCTTY.  */
+# if address@hidden@
+_GL_FUNCDECL_SYS (posix_openpt, int, (int flags));
+# endif
+_GL_CXXALIAS_SYS (posix_openpt, int, (int flags));
+_GL_CXXALIASWARN (posix_openpt);
+#elif defined GNULIB_POSIXCHECK
+# undef posix_openpt
+# if HAVE_RAW_DECL_POSIX_OPENPT
+_GL_WARN_ON_USE (posix_openpt, "posix_openpt is not portable - "
+                 "use gnulib module posix_openpt for portability");
+# endif
+#endif
+
 #if @GNULIB_PTSNAME@
 /* Return the pathname of the pseudo-terminal slave associated with
    the master FD is open on, or NULL on errors.  */
@@ -439,6 +455,32 @@
 # endif
 #endif
 
+#if @GNULIB_PTSNAME_R@
+/* Set the pathname of the pseudo-terminal slave associated with
+   the master FD is open on and return 0, or set errno and return
+   non-zero on errors.  */
+# if @REPLACE_PTSNAME_R@
+#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+#   undef ptsname_r
+#   define ptsname_r rpl_ptsname_r
+#  endif
+_GL_FUNCDECL_RPL (ptsname_r, int, (int fd, char *buf, size_t len));
+_GL_CXXALIAS_RPL (ptsname_r, int, (int fd, char *buf, size_t len));
+# else
+#  if address@hidden@
+_GL_FUNCDECL_SYS (ptsname_r, int, (int fd, char *buf, size_t len));
+#  endif
+_GL_CXXALIAS_SYS (ptsname_r, int, (int fd, char *buf, size_t len));
+# endif
+_GL_CXXALIASWARN (ptsname_r);
+#elif defined GNULIB_POSIXCHECK
+# undef ptsname_r
+# if HAVE_RAW_DECL_PTSNAME_R
+_GL_WARN_ON_USE (ptsname_r, "ptsname_r is not portable - "
+                 "use gnulib module ptsname_r for portability");
+# endif
+#endif
+
 #if @GNULIB_PUTENV@
 # if @REPLACE_PUTENV@
 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)

=== modified file 'm4/dup2.m4'
--- m4/dup2.m4  2011-09-26 21:30:18 +0000
+++ m4/dup2.m4  2011-11-29 16:38:21 +0000
@@ -1,4 +1,4 @@
-#serial 16
+#serial 17
 dnl Copyright (C) 2002, 2005, 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,
@@ -67,7 +67,9 @@
   m4_ifdef([gl_FUNC_FCHDIR], [
     gl_TEST_FCHDIR
     if test $HAVE_FCHDIR = 0; then
-      REPLACE_DUP2=1
+      if test $HAVE_DUP2 = 1; then
+        REPLACE_DUP2=1
+      fi
     fi
   ])
 ])

=== added file 'm4/environ.m4'
--- m4/environ.m4       1970-01-01 00:00:00 +0000
+++ m4/environ.m4       2011-11-29 16:38:21 +0000
@@ -0,0 +1,47 @@
+# environ.m4 serial 6
+dnl Copyright (C) 2001-2004, 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,
+dnl with or without modifications, as long as this notice is preserved.
+
+AC_DEFUN_ONCE([gl_ENVIRON],
+[
+  AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
+  dnl Persuade glibc <unistd.h> to declare environ.
+  AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
+
+  AC_CHECK_HEADERS_ONCE([unistd.h])
+  gt_CHECK_VAR_DECL(
+    [#if HAVE_UNISTD_H
+     #include <unistd.h>
+     #endif
+     /* mingw, BeOS, Haiku declare environ in <stdlib.h>, not in <unistd.h>.  
*/
+     #include <stdlib.h>
+    ],
+    [environ])
+  if test $gt_cv_var_environ_declaration != yes; then
+    HAVE_DECL_ENVIRON=0
+  fi
+])
+
+# Check if a variable is properly declared.
+# gt_CHECK_VAR_DECL(includes,variable)
+AC_DEFUN([gt_CHECK_VAR_DECL],
+[
+  define([gt_cv_var], [gt_cv_var_]$2[_declaration])
+  AC_MSG_CHECKING([if $2 is properly declared])
+  AC_CACHE_VAL([gt_cv_var], [
+    AC_COMPILE_IFELSE(
+      [AC_LANG_PROGRAM(
+         [[$1
+           extern struct { int foo; } $2;]],
+         [[$2.foo = 1;]])],
+      [gt_cv_var=no],
+      [gt_cv_var=yes])])
+  AC_MSG_RESULT([$gt_cv_var])
+  if test $gt_cv_var = yes; then
+    AC_DEFINE([HAVE_]m4_translit($2, [a-z], [A-Z])[_DECL], 1,
+              [Define if you have the declaration of $2.])
+  fi
+  undefine([gt_cv_var])
+])

=== modified file 'm4/getopt.m4'
--- m4/getopt.m4        2011-07-24 22:15:47 +0000
+++ m4/getopt.m4        2011-11-29 16:38:21 +0000
@@ -1,4 +1,4 @@
-# getopt.m4 serial 38
+# getopt.m4 serial 39
 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,
@@ -25,8 +25,6 @@
   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
 ])
 

=== modified file 'm4/gl-comp.m4'
--- m4/gl-comp.m4       2011-10-07 21:15:00 +0000
+++ m4/gl-comp.m4       2011-11-29 16:38:21 +0000
@@ -48,6 +48,7 @@
   # Code from module dosname:
   # Code from module dtoastr:
   # Code from module dup2:
+  # Code from module environ:
   # Code from module extensions:
   AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
   # Code from module filemode:
@@ -76,6 +77,7 @@
   # Code from module socklen:
   # Code from module ssize_t:
   # Code from module stat:
+  # Code from module stdalign:
   # 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,
@@ -130,6 +132,8 @@
   gl_PREREQ_DUP2
 fi
 gl_UNISTD_MODULE_INDICATOR([dup2])
+gl_ENVIRON
+gl_UNISTD_MODULE_INDICATOR([environ])
 gl_FILEMODE
 gl_GETLOADAVG
 if test $HAVE_GETLOADAVG = 0; then
@@ -142,14 +146,20 @@
   AC_LIBOBJ([getopt])
   AC_LIBOBJ([getopt1])
   gl_PREREQ_GETOPT
+  dnl Arrange for unistd.h to include getopt.h.
+  GNULIB_GL_UNISTD_H_GETOPT=1
 fi
+AC_SUBST([GNULIB_GL_UNISTD_H_GETOPT])
 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
+  dnl Arrange for unistd.h to include getopt.h.
+  GNULIB_GL_UNISTD_H_GETOPT=1
 fi
+AC_SUBST([GNULIB_GL_UNISTD_H_GETOPT])
 AC_REQUIRE([AC_C_INLINE])
 gl_INTTYPES_INCOMPLETE
 gl_FUNC_LSTAT
@@ -180,6 +190,7 @@
 gl_SIGNAL_H
 gl_TYPE_SOCKLEN_T
 gt_TYPE_SSIZE_T
+gl_STDALIGN_H
 gl_STDARG_H
 AM_STDBOOL_H
 gl_STDDEF_H
@@ -311,18 +322,18 @@
   if test $HAVE_READLINK = 0 || test $REPLACE_READLINK = 1; then
     func_gl_gnulib_m4code_stat
   fi
-  if test $ac_cv_func_strtoimax = no; then
-    func_gl_gnulib_m4code_verify
-  fi
   if test $ac_cv_func_strtoimax = no && test $ac_cv_type_long_long_int = yes; 
then
     func_gl_gnulib_m4code_strtoll
   fi
-  if test $ac_cv_func_strtoumax = no; then
+  if test $ac_cv_func_strtoimax = no; then
     func_gl_gnulib_m4code_verify
   fi
   if test $ac_cv_func_strtoumax = no && test 
$ac_cv_type_unsigned_long_long_int = yes; then
     func_gl_gnulib_m4code_strtoull
   fi
+  if test $ac_cv_func_strtoumax = no; then
+    func_gl_gnulib_m4code_verify
+  fi
   m4_pattern_allow([^gl_GNULIB_ENABLED_])
   AM_CONDITIONAL([gl_GNULIB_ENABLED_dosname], [$gl_gnulib_enabled_dosname])
   AM_CONDITIONAL([gl_GNULIB_ENABLED_be453cec5eecf5731a274f2de7f2db36], 
[$gl_gnulib_enabled_be453cec5eecf5731a274f2de7f2db36])
@@ -513,6 +524,7 @@
   lib/signal.in.h
   lib/sigprocmask.c
   lib/stat.c
+  lib/stdalign.in.h
   lib/stdarg.in.h
   lib/stdbool.in.h
   lib/stddef.in.h
@@ -538,6 +550,7 @@
   m4/alloca.m4
   m4/c-strtod.m4
   m4/dup2.m4
+  m4/environ.m4
   m4/extensions.m4
   m4/filemode.m4
   m4/getloadavg.m4
@@ -563,6 +576,7 @@
   m4/ssize_t.m4
   m4/st_dm_mode.m4
   m4/stat.m4
+  m4/stdalign.m4
   m4/stdarg.m4
   m4/stdbool.m4
   m4/stddef_h.m4

=== modified file 'm4/gnulib-common.m4'
--- m4/gnulib-common.m4 2011-10-07 21:15:00 +0000
+++ m4/gnulib-common.m4 2011-11-29 16:38:21 +0000
@@ -18,7 +18,7 @@
 # if (3 <= __GNUC__ || (__GNUC__ == 2 && 8 <= __GNUC_MINOR__) \
       || 0x5110 <= __SUNPRO_C)
 #  define _Noreturn __attribute__ ((__noreturn__))
-# elif 1200 <= _MSC_VER
+# elif defined _MSC_VER && 1200 <= _MSC_VER
 #  define _Noreturn __declspec (noreturn)
 # else
 #  define _Noreturn

=== modified file 'm4/include_next.m4'
--- m4/include_next.m4  2011-09-26 21:30:18 +0000
+++ m4/include_next.m4  2011-11-29 16:38:21 +0000
@@ -1,4 +1,4 @@
-# include_next.m4 serial 22
+# include_next.m4 serial 23
 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,
@@ -219,12 +219,17 @@
                    gl_dirsep_regex='[/\\]'
                    ;;
                  *)
-                   gl_dirsep_regex='/'
+                   gl_dirsep_regex='\/'
                    ;;
                esac
+               dnl A sed expression that turns a string into a basic regular
+               dnl expression, for use within "/.../".
+               gl_make_literal_regex_sed='s,[]$^\\.*/[],\\&,g'
 changequote([,])
-               
gl_absolute_header_sed='\|'"${gl_dirsep_regex}"']m4_defn([gl_HEADER_NAME])[|{
-                   
s|.*"\(.*'"${gl_dirsep_regex}"']m4_defn([gl_HEADER_NAME])[\)".*|\1|
+               gl_header_literal_regex=`echo ']m4_defn([gl_HEADER_NAME])[' \
+                                        | sed -e "$gl_make_literal_regex_sed"`
+               
gl_absolute_header_sed="/${gl_dirsep_regex}${gl_header_literal_regex}/"'{
+                   
s/.*"\(.*'"${gl_dirsep_regex}${gl_header_literal_regex}"'\)".*/\1/
 changequote(,)dnl
                    s|^/[^/]|//&|
 changequote([,])dnl

=== modified file 'm4/pthread_sigmask.m4'
--- m4/pthread_sigmask.m4       2011-09-03 23:08:32 +0000
+++ m4/pthread_sigmask.m4       2011-11-29 16:38:21 +0000
@@ -1,4 +1,4 @@
-# pthread_sigmask.m4 serial 12
+# pthread_sigmask.m4 serial 13
 dnl Copyright (C) 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,
@@ -6,6 +6,8 @@
 
 AC_DEFUN([gl_FUNC_PTHREAD_SIGMASK],
 [
+  AC_REQUIRE([gl_SIGNAL_H_DEFAULTS])
+
   AC_CHECK_FUNCS_ONCE([pthread_sigmask])
   LIB_PTHREAD_SIGMASK=
 

=== added file 'm4/stdalign.m4'
--- m4/stdalign.m4      1970-01-01 00:00:00 +0000
+++ m4/stdalign.m4      2011-11-29 16:38:21 +0000
@@ -0,0 +1,22 @@
+# Check for stdalign.h that conforms to C1x.
+
+dnl Copyright 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.
+
+# Prepare for substituting <stdalign.h> if it is not supported.
+
+AC_DEFUN([gl_STDALIGN_H],
+[
+  AC_CHECK_HEADERS_ONCE([stdalign.h])
+
+  if test $ac_cv_header_stdalign_h = yes; then
+    STDALIGN_H=''
+  else
+    STDALIGN_H='stdalign.h'
+  fi
+
+  AC_SUBST([STDALIGN_H])
+  AM_CONDITIONAL([GL_GENERATE_STDALIGN_H], [test -n "$STDALIGN_H"])
+])

=== modified file 'm4/stdlib_h.m4'
--- m4/stdlib_h.m4      2011-02-25 07:36:37 +0000
+++ m4/stdlib_h.m4      2011-11-29 16:38:21 +0000
@@ -1,4 +1,4 @@
-# stdlib_h.m4 serial 37
+# stdlib_h.m4 serial 39
 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,
@@ -19,10 +19,10 @@
 #if HAVE_RANDOM_H
 # include <random.h>
 #endif
-    ]], [_Exit atoll canonicalize_file_name getloadavg getsubopt grantpt 
mkdtemp
-    mkostemp mkostemps mkstemp mkstemps ptsname random_r initstat_r srandom_r
-    setstate_r realpath rpmatch setenv strtod strtoll strtoull unlockpt
-    unsetenv])
+    ]], [_Exit atoll canonicalize_file_name getloadavg getsubopt grantpt
+    initstate_r mkdtemp mkostemp mkostemps mkstemp mkstemps posix_openpt
+    ptsname ptsname_r random_r realpath rpmatch setenv setstate_r srandom_r
+    strtod strtoll strtoull unlockpt unsetenv])
 ])
 
 AC_DEFUN([gl_STDLIB_MODULE_INDICATOR],
@@ -50,7 +50,9 @@
   GNULIB_MKOSTEMPS=0;     AC_SUBST([GNULIB_MKOSTEMPS])
   GNULIB_MKSTEMP=0;       AC_SUBST([GNULIB_MKSTEMP])
   GNULIB_MKSTEMPS=0;      AC_SUBST([GNULIB_MKSTEMPS])
+  GNULIB_POSIX_OPENPT=0;  AC_SUBST([GNULIB_POSIX_OPENPT])
   GNULIB_PTSNAME=0;       AC_SUBST([GNULIB_PTSNAME])
+  GNULIB_PTSNAME_R=0;     AC_SUBST([GNULIB_PTSNAME_R])
   GNULIB_PUTENV=0;        AC_SUBST([GNULIB_PUTENV])
   GNULIB_RANDOM_R=0;      AC_SUBST([GNULIB_RANDOM_R])
   GNULIB_REALLOC_POSIX=0; AC_SUBST([GNULIB_REALLOC_POSIX])
@@ -76,7 +78,9 @@
   HAVE_MKOSTEMPS=1;          AC_SUBST([HAVE_MKOSTEMPS])
   HAVE_MKSTEMP=1;            AC_SUBST([HAVE_MKSTEMP])
   HAVE_MKSTEMPS=1;           AC_SUBST([HAVE_MKSTEMPS])
+  HAVE_POSIX_OPENPT=1;       AC_SUBST([HAVE_POSIX_OPENPT])
   HAVE_PTSNAME=1;            AC_SUBST([HAVE_PTSNAME])
+  HAVE_PTSNAME_R=1;          AC_SUBST([HAVE_PTSNAME_R])
   HAVE_RANDOM_H=1;           AC_SUBST([HAVE_RANDOM_H])
   HAVE_RANDOM_R=1;           AC_SUBST([HAVE_RANDOM_R])
   HAVE_REALPATH=1;           AC_SUBST([HAVE_REALPATH])
@@ -95,6 +99,7 @@
   REPLACE_MALLOC=0;          AC_SUBST([REPLACE_MALLOC])
   REPLACE_MBTOWC=0;          AC_SUBST([REPLACE_MBTOWC])
   REPLACE_MKSTEMP=0;         AC_SUBST([REPLACE_MKSTEMP])
+  REPLACE_PTSNAME_R=0;       AC_SUBST([REPLACE_PTSNAME_R])
   REPLACE_PUTENV=0;          AC_SUBST([REPLACE_PUTENV])
   REPLACE_REALLOC=0;         AC_SUBST([REPLACE_REALLOC])
   REPLACE_REALPATH=0;        AC_SUBST([REPLACE_REALPATH])

=== modified file 'm4/unistd_h.m4'
--- m4/unistd_h.m4      2011-09-26 21:30:18 +0000
+++ m4/unistd_h.m4      2011-11-29 16:38:21 +0000
@@ -1,4 +1,4 @@
-# unistd_h.m4 serial 61
+# unistd_h.m4 serial 62
 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,
@@ -98,7 +98,6 @@
   GNULIB_SYMLINK=0;              AC_SUBST([GNULIB_SYMLINK])
   GNULIB_SYMLINKAT=0;            AC_SUBST([GNULIB_SYMLINKAT])
   GNULIB_TTYNAME_R=0;            AC_SUBST([GNULIB_TTYNAME_R])
-  GNULIB_UNISTD_H_GETOPT=0;      AC_SUBST([GNULIB_UNISTD_H_GETOPT])
   GNULIB_UNISTD_H_NONBLOCKING=0; AC_SUBST([GNULIB_UNISTD_H_NONBLOCKING])
   GNULIB_UNISTD_H_SIGPIPE=0;     AC_SUBST([GNULIB_UNISTD_H_SIGPIPE])
   GNULIB_UNLINK=0;               AC_SUBST([GNULIB_UNLINK])







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