[Emacs-diffs] master b81a183: Merge from gnulib

[Paul Eggert]

branch: master
commit b81a1837916a7f3f7abd953338302fa237a532f2
Author: Paul Eggert <address@hidden>
Commit: Paul Eggert <address@hidden>

    Merge from gnulib
    
    2014-12-12 stddef: support C11's max_align_t
    2014-12-08 apply _GL_ATTRIBUTE_PURE to some inline functions
    2014-12-02 support GNU format printf and scanf on mingw
    * doc/misc/texinfo.tex, lib/stat-time.h, lib/stddef.in.h:
    * lib/timespec.h, m4/extensions.m4, m4/stddef_h.m4, m4/stdio_h.m4:
    Update from gnulib.
    * lib/gnulib.mk: Regenerate.
---
 ChangeLog            |   11 +++++++++++
 doc/misc/texinfo.tex |   39 +++++++++++++++++----------------------
 lib/gnulib.mk        |    1 +
 lib/stat-time.h      |   16 ++++++++--------
 lib/stddef.in.h      |   41 ++++++++++++++++++++++++++---------------
 lib/timespec.h       |    4 ++--
 m4/extensions.m4     |    5 +++++
 m4/stddef_h.m4       |    8 ++++++--
 m4/stdio_h.m4        |    3 +++
 9 files changed, 79 insertions(+), 49 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index ee109f7..32083d7 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,14 @@
+2014-12-12  Paul Eggert  <address@hidden>
+
+       Merge from gnulib
+       2014-12-12 stddef: support C11's max_align_t
+       2014-12-08 apply _GL_ATTRIBUTE_PURE to some inline functions
+       2014-12-02 support GNU format printf and scanf on mingw
+       * doc/misc/texinfo.tex, lib/stat-time.h, lib/stddef.in.h:
+       * lib/timespec.h, m4/extensions.m4, m4/stddef_h.m4, m4/stdio_h.m4:
+       Update from gnulib.
+       * lib/gnulib.mk: Regenerate.
+
 2014-12-06  Stephen Leake  <address@hidden>
 
        * CONTRIBUTE: Improve; add explicit web references, move some info
diff --git a/doc/misc/texinfo.tex b/doc/misc/texinfo.tex
index 72c8cf4..54cf667 100644
--- a/doc/misc/texinfo.tex
+++ b/doc/misc/texinfo.tex
@@ -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{2014-10-29.10}
+\def\texinfoversion{2014-11-14.07}
 %
 % Copyright 1985, 1986, 1988, 1990, 1991, 1992, 1993, 1994, 1995,
 % 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
@@ -1010,24 +1010,15 @@ where each line of input produces a line of output.}
 % paragraph.
 %
 \gdef\dosuppressfirstparagraphindent{%
-  \gdef\indent{%
-    \restorefirstparagraphindent
-    \indent
-  }%
-  \gdef\noindent{%
-    \restorefirstparagraphindent
-    \noindent
-  }%
-  \global\everypar = {%
-    \kern -\parindent
-    \restorefirstparagraphindent
-  }%
+  \gdef\indent  {\restorefirstparagraphindent \indent}%
+  \gdef\noindent{\restorefirstparagraphindent \noindent}%
+  \global\everypar = {\kern -\parindent \restorefirstparagraphindent}%
 }
-
+%
 \gdef\restorefirstparagraphindent{%
-  \global \let \indent = \ptexindent
-  \global \let \noindent = \ptexnoindent
-  \global \everypar = {}%
+  \global\let\indent = \ptexindent
+  \global\let\noindent = \ptexnoindent
+  \global\everypar = {}%
 }
 
 
@@ -5801,6 +5792,7 @@ end
   %
   {%
     \chapfonts \rmisbold
+    \let\footnote=\errfootnoteheading % give better error message
     %
     % Have to define \lastsection before calling \donoderef, because the
     % xref code eventually uses it.  On the other hand, it has to be called
@@ -5912,6 +5904,7 @@ end
     \ifx\temptype\Yomitfromtockeyword\else
       \checkenv{}% address@hidden should not be in an environment.
     \fi
+    \let\footnote=\errfootnoteheading
     %
     % Switch to the right set of fonts.
     \csname #2fonts\endcsname \rmisbold
@@ -8368,9 +8361,6 @@ end
 %
 % Auto-number footnotes.  Otherwise like plain.
 \gdef\footnote{%
-  \let\indent=\ptexindent
-  \let\noindent=\ptexnoindent
-  %
   \global\advance\footnoteno by address@hidden
   \edef\thisfootno{$^{\the\footnoteno}$}%
   %
@@ -8397,7 +8387,7 @@ end
   %
   % Nested footnotes are not supported in TeX, that would take a lot
   % more work.  (\startsavinginserts does not suffice.)
-  \let\footnote=\errfootnote
+  \let\footnote=\errfootnotenest
   %
   % We want to typeset this text as a normal paragraph, even if the
   % footnote reference occurs in (for example) a display environment.
@@ -8436,12 +8426,17 @@ end
 }
 }%end \catcode address@hidden
 
-\def\errfootnote{%
+\def\errfootnotenest{%
   \errhelp=\EMsimple
   \errmessage{Nested footnotes not supported in texinfo.tex,
     even though they work in makeinfo; sorry}
 }
 
+\def\errfootnoteheading{%
+  \errhelp=\EMsimple
+  \errmessage{Footnotes in chapters, sections, etc., are not supported}
+}
+
 % In case a @footnote appears in a vbox, save the footnote text and create
 % the real \insert just after the vbox finished.  Otherwise, the insertion
 % would be lost.
diff --git a/lib/gnulib.mk b/lib/gnulib.mk
index 6437a9d..c54b811 100644
--- a/lib/gnulib.mk
+++ b/lib/gnulib.mk
@@ -915,6 +915,7 @@ stddef.h: stddef.in.h $(top_builddir)/config.status
              -e 's|@''PRAGMA_SYSTEM_HEADER''@|@PRAGMA_SYSTEM_HEADER@|g' \
              -e 's|@''PRAGMA_COLUMNS''@|@PRAGMA_COLUMNS@|g' \
              -e 's|@''NEXT_STDDEF_H''@|$(NEXT_STDDEF_H)|g' \
+             -e 's|@''HAVE_MAX_ALIGN_T''@|$(HAVE_MAX_ALIGN_T)|g' \
              -e 's|@''HAVE_WCHAR_T''@|$(HAVE_WCHAR_T)|g' \
              -e 's|@''REPLACE_NULL''@|$(REPLACE_NULL)|g' \
              < $(srcdir)/stddef.in.h; \
diff --git a/lib/stat-time.h b/lib/stat-time.h
index b3df6eb..9cbf8e0 100644
--- a/lib/stat-time.h
+++ b/lib/stat-time.h
@@ -54,7 +54,7 @@ _GL_INLINE_HEADER_BEGIN
 #endif
 
 /* Return the nanosecond component of *ST's access time.  */
-_GL_STAT_TIME_INLINE long int
+_GL_STAT_TIME_INLINE long int _GL_ATTRIBUTE_PURE
 get_stat_atime_ns (struct stat const *st)
 {
 # if defined STAT_TIMESPEC
@@ -67,7 +67,7 @@ get_stat_atime_ns (struct stat const *st)
 }
 
 /* Return the nanosecond component of *ST's status change time.  */
-_GL_STAT_TIME_INLINE long int
+_GL_STAT_TIME_INLINE long int _GL_ATTRIBUTE_PURE
 get_stat_ctime_ns (struct stat const *st)
 {
 # if defined STAT_TIMESPEC
@@ -80,7 +80,7 @@ get_stat_ctime_ns (struct stat const *st)
 }
 
 /* Return the nanosecond component of *ST's data modification time.  */
-_GL_STAT_TIME_INLINE long int
+_GL_STAT_TIME_INLINE long int _GL_ATTRIBUTE_PURE
 get_stat_mtime_ns (struct stat const *st)
 {
 # if defined STAT_TIMESPEC
@@ -93,7 +93,7 @@ get_stat_mtime_ns (struct stat const *st)
 }
 
 /* Return the nanosecond component of *ST's birth time.  */
-_GL_STAT_TIME_INLINE long int
+_GL_STAT_TIME_INLINE long int _GL_ATTRIBUTE_PURE
 get_stat_birthtime_ns (struct stat const *st)
 {
 # if defined HAVE_STRUCT_STAT_ST_BIRTHTIMESPEC_TV_NSEC
@@ -108,7 +108,7 @@ get_stat_birthtime_ns (struct stat const *st)
 }
 
 /* Return *ST's access time.  */
-_GL_STAT_TIME_INLINE struct timespec
+_GL_STAT_TIME_INLINE struct timespec _GL_ATTRIBUTE_PURE
 get_stat_atime (struct stat const *st)
 {
 #ifdef STAT_TIMESPEC
@@ -122,7 +122,7 @@ get_stat_atime (struct stat const *st)
 }
 
 /* Return *ST's status change time.  */
-_GL_STAT_TIME_INLINE struct timespec
+_GL_STAT_TIME_INLINE struct timespec _GL_ATTRIBUTE_PURE
 get_stat_ctime (struct stat const *st)
 {
 #ifdef STAT_TIMESPEC
@@ -136,7 +136,7 @@ get_stat_ctime (struct stat const *st)
 }
 
 /* Return *ST's data modification time.  */
-_GL_STAT_TIME_INLINE struct timespec
+_GL_STAT_TIME_INLINE struct timespec _GL_ATTRIBUTE_PURE
 get_stat_mtime (struct stat const *st)
 {
 #ifdef STAT_TIMESPEC
@@ -151,7 +151,7 @@ get_stat_mtime (struct stat const *st)
 
 /* Return *ST's birth time, if available; otherwise return a value
    with tv_sec and tv_nsec both equal to -1.  */
-_GL_STAT_TIME_INLINE struct timespec
+_GL_STAT_TIME_INLINE struct timespec _GL_ATTRIBUTE_PURE
 get_stat_birthtime (struct stat const *st)
 {
   struct timespec t;
diff --git a/lib/stddef.in.h b/lib/stddef.in.h
index f5c0e05..9924a32 100644
--- a/lib/stddef.in.h
+++ b/lib/stddef.in.h
@@ -39,7 +39,6 @@
 
 # if !(defined address@hidden@_STDDEF_H && defined _GL_STDDEF_WINT_T)
 #  ifdef __need_wint_t
-#   undef address@hidden@_STDDEF_H
 #   define _GL_STDDEF_WINT_T
 #  endif
 #  @INCLUDE_NEXT@ @NEXT_STDDEF_H@
@@ -54,33 +53,45 @@
 
 #  @INCLUDE_NEXT@ @NEXT_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@
-# undef NULL
-# ifdef __cplusplus
+#  if (@REPLACE_NULL@ \
+       && (!defined address@hidden@_STDDEF_H || defined _GL_STDDEF_WINT_T))
+#   undef NULL
+#   ifdef __cplusplus
    /* ISO C++ says that the macro NULL must expand to an integer constant
       expression, hence '((void *) 0)' is not allowed in C++.  */
-#  if __GNUG__ >= 3
+#    if __GNUG__ >= 3
     /* GNU C++ has a __null macro that behaves like an integer ('int' or
        'long') but has the same size as a pointer.  Use that, to avoid
        warnings.  */
-#   define NULL __null
-#  else
-#   define NULL 0L
+#     define NULL __null
+#    else
+#     define NULL 0L
+#    endif
+#   else
+#    define NULL ((void *) 0)
+#   endif
 #  endif
-# else
-#  define NULL ((void *) 0)
-# endif
-#endif
+
+#  ifndef address@hidden@_STDDEF_H
+#   define address@hidden@_STDDEF_H
 
 /* Some platforms lack wchar_t.  */
 #if address@hidden@
 # define wchar_t int
 #endif
 
+/* Some platforms lack max_align_t.  */
+#if address@hidden@
+typedef union
+{
+  char *__p;
+  double __d;
+  long double __ld;
+  long int __i;
+} max_align_t;
+#endif
+
 #  endif /* address@hidden@_STDDEF_H */
 # endif /* address@hidden@_STDDEF_H */
 #endif /* __need_XXX */
diff --git a/lib/timespec.h b/lib/timespec.h
index 872cbb7..dfc1277 100644
--- a/lib/timespec.h
+++ b/lib/timespec.h
@@ -74,7 +74,7 @@ make_timespec (time_t s, long int ns)
 
    The (int) cast avoids a gcc -Wconversion warning.  */
 
-_GL_TIMESPEC_INLINE int
+_GL_TIMESPEC_INLINE int _GL_ATTRIBUTE_PURE
 timespec_cmp (struct timespec a, struct timespec b)
 {
   return (a.tv_sec < b.tv_sec ? -1
@@ -84,7 +84,7 @@ timespec_cmp (struct timespec a, struct timespec b)
 
 /* Return -1, 0, 1, depending on the sign of A.  A.tv_nsec must be
    nonnegative.  */
-_GL_TIMESPEC_INLINE int
+_GL_TIMESPEC_INLINE int _GL_ATTRIBUTE_PURE
 timespec_sign (struct timespec a)
 {
   return a.tv_sec < 0 ? -1 : a.tv_sec || a.tv_nsec;
diff --git a/m4/extensions.m4 b/m4/extensions.m4
index 37f55ca..cf285ba 100644
--- a/m4/extensions.m4
+++ b/m4/extensions.m4
@@ -68,6 +68,10 @@ dnl configure.ac when using autoheader 2.62.
 #ifndef _GNU_SOURCE
 # undef _GNU_SOURCE
 #endif
+/* Use GNU style printf and scanf.  */
+#ifndef __USE_MINGW_ANSI_STDIO
+# undef __USE_MINGW_ANSI_STDIO
+#endif
 /* Enable threading extensions on Solaris.  */
 #ifndef _POSIX_PTHREAD_SEMANTICS
 # undef _POSIX_PTHREAD_SEMANTICS
@@ -100,6 +104,7 @@ dnl configure.ac when using autoheader 2.62.
   AC_DEFINE([_ALL_SOURCE])
   AC_DEFINE([_DARWIN_C_SOURCE])
   AC_DEFINE([_GNU_SOURCE])
+  AC_DEFINE([__USE_MINGW_ANSI_STDIO])
   AC_DEFINE([_POSIX_PTHREAD_SEMANTICS])
   AC_DEFINE([_TANDEM_SOURCE])
   AC_CACHE_CHECK([whether _XOPEN_SOURCE should be defined],
diff --git a/m4/stddef_h.m4 b/m4/stddef_h.m4
index c555e29..9659813 100644
--- a/m4/stddef_h.m4
+++ b/m4/stddef_h.m4
@@ -1,5 +1,5 @@
-dnl A placeholder for POSIX 2008 <stddef.h>, for platforms that have issues.
-# stddef_h.m4 serial 4
+dnl A placeholder for <stddef.h>, for platforms that have issues.
+# stddef_h.m4 serial 5
 dnl Copyright (C) 2009-2014 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -10,6 +10,9 @@ AC_DEFUN([gl_STDDEF_H],
   AC_REQUIRE([gl_STDDEF_H_DEFAULTS])
   AC_REQUIRE([gt_TYPE_WCHAR_T])
   STDDEF_H=
+  AC_CHECK_TYPE([max_align_t], [], [HAVE_MAX_ALIGN_T=0; STDDEF_H=stddef.h],
+    [[#include <stddef.h>
+    ]])
   if test $gt_cv_c_wchar_t = no; then
     HAVE_WCHAR_T=0
     STDDEF_H=stddef.h
@@ -43,5 +46,6 @@ AC_DEFUN([gl_STDDEF_H_DEFAULTS],
 [
   dnl Assume proper GNU behavior unless another module says otherwise.
   REPLACE_NULL=0;                AC_SUBST([REPLACE_NULL])
+  HAVE_MAX_ALIGN_T=1;            AC_SUBST([HAVE_MAX_ALIGN_T])
   HAVE_WCHAR_T=1;                AC_SUBST([HAVE_WCHAR_T])
 ])
diff --git a/m4/stdio_h.m4 b/m4/stdio_h.m4
index d15913a..ef0dcc1 100644
--- a/m4/stdio_h.m4
+++ b/m4/stdio_h.m4
@@ -6,6 +6,9 @@ dnl with or without modifications, as long as this notice is 
preserved.
 
 AC_DEFUN([gl_STDIO_H],
 [
+  dnl For __USE_MINGW_ANSI_STDIO
+  AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
+
   AC_REQUIRE([gl_STDIO_H_DEFAULTS])
   gl_NEXT_HEADERS([stdio.h])