From f501116ea896b20f195f5c841e8770d7fe0418b9 Mon Sep 17 00:00:00 2001 From: Paul Eggert Date: Sun, 3 Apr 2016 23:12:04 -0700 Subject: [PATCH] Sync with gnulib This incorporates: 2016-04-03 stdint: detect good enough pre-C++11 stdint.h in C++ mode 2016-04-01 stddef: support configuring with g++ * doc/misc/texinfo.tex, lib/stddef.in.h, m4/stdint.m4: Copy from gnulib. --- doc/misc/texinfo.tex | 78 +++++++++++++++++++++++++++++++++++++++++--- lib/stddef.in.h | 6 ++-- m4/stdint.m4 | 29 +++++++++++++++- 3 files changed, 105 insertions(+), 8 deletions(-) diff --git a/doc/misc/texinfo.tex b/doc/misc/texinfo.tex index 9437a4d3e3..75017af503 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{2016-03-22.15} +\def\texinfoversion{2016-03-25.17} % % Copyright 1985, 1986, 1988, 1990, 1991, 1992, 1993, 1994, 1995, % 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, @@ -1645,6 +1645,32 @@ output) for that.)} /Subtype /Link /A << /S /URI /URI (#1) >> >>}% \endgroup} \def\endlink{\setcolor{\maincolor}\special{pdf:eann}} + \def\pdfgettoks#1.{\setbox\boxA=\hbox{\toksA={#1.}\toksB={}\maketoks}} + \def\addtokens#1#2{\edef\addtoks{\noexpand#1={\the#1#2}}\addtoks} + \def\adn#1{\addtokens{\toksC}{#1}\global\countA=1\let\next=\maketoks} + \def\poptoks#1#2|ENDTOKS|{\let\first=#1\toksD={#1}\toksA={#2}} + \def\maketoks{% + \expandafter\poptoks\the\toksA|ENDTOKS|\relax + \ifx\first0\adn0 + \else\ifx\first1\adn1 \else\ifx\first2\adn2 \else\ifx\first3\adn3 + \else\ifx\first4\adn4 \else\ifx\first5\adn5 \else\ifx\first6\adn6 + \else\ifx\first7\adn7 \else\ifx\first8\adn8 \else\ifx\first9\adn9 + \else + \ifnum0=\countA\else\makelink\fi + \ifx\first.\let\next=\done\else + \let\next=\maketoks + \addtokens{\toksB}{\the\toksD} + \ifx\first,\addtokens{\toksB}{\space}\fi + \fi + \fi\fi\fi\fi\fi\fi\fi\fi\fi\fi + \next} + \def\makelink{\addtokens{\toksB}% + {\noexpand\pdflink{\the\toksC}}\toksC={}\global\countA=0} + \def\pdflink#1{% + \special{pdf:bann << /Border [0 0 0] + /Type /Annot /Subtype /Link /A << /S /GoTo /D (name#1) >> >>}% + \setcolor{\linkcolor}#1\endlink} + \def\done{\edef\st{\global\noexpand\toksA={\the\toksB}}\st} % % % @image support @@ -2857,6 +2883,7 @@ end \setbox0 = \hbox{\ignorespaces #2}% look for second arg \ifdim\wd0 > 0pt \ifpdf + % For pdfTeX and LuaTeX \ifurefurlonlylink % PDF plus option to not display url, show just arg \unhbox0 @@ -2866,7 +2893,19 @@ end \unhbox0\ (\urefcode{#1})% \fi \else - \unhbox0\ (\urefcode{#1})% DVI, always show arg and url + \ifx\XeTeXrevision\thisisundefined + \unhbox0\ (\urefcode{#1})% DVI, always show arg and url + \else + % For XeTeX + \ifurefurlonlylink + % PDF plus option to not display url, show just arg + \unhbox0 + \else + % PDF, normally display both arg and url for consistency, + % visibility, if the pdf is eventually used to print, etc. + \unhbox0\ (\urefcode{#1})% + \fi + \fi \fi \else \urefcode{#1}% only url given, so show it @@ -2967,7 +3006,18 @@ end \endlink \endgroup} \else - \let\email=\uref + \ifx\XeTeXrevision\thisisundefined + \let\email=\uref + \else + \def\email#1{\doemail#1,,\finish} + \def\doemail#1,#2,#3\finish{\begingroup + \unsepspaces + \pdfurl{mailto:#1}% + \setbox0 = \hbox{\ignorespaces #2}% + \ifdim\wd0>0pt\unhbox0\else\code{#1}\fi + \endlink + \endgroup} + \fi \fi % @kbdinputstyle -- arg is `distinct' (@kbd uses slanted tty font always), @@ -5479,7 +5529,14 @@ end % preserve coloured links across page boundaries. Otherwise the marks % would get in the way of \lastbox in \insertindexentrybox. \else - \hskip\skip\thinshrinkable #1% + \ifx\XeTeXrevision\thisisundefined + \hskip\skip\thinshrinkable #1% + \else + \pdfgettoks#1.% + \bgroup\let\domark\relax + \hskip\skip\thinshrinkable\the\toksA + \egroup + \fi \fi \fi \egroup % end \boxA @@ -5614,7 +5671,11 @@ end \ifpdf \pdfgettoks#2.\ \the\toksA % The page number ends the paragraph. \else - #2 + \ifx\XeTeXrevision\thisisundefined + #2 + \else + \pdfgettoks#2.\ \the\toksA % The page number ends the paragraph. + \fi \fi \par }} @@ -11029,6 +11090,13 @@ directory should work if nowhere else does.} % whatever layout pdftex was dumped with. \pdfhorigin = 1 true in \pdfvorigin = 1 true in + \else + \ifx\XeTeXrevision\thisisundefined + \else + \pdfpageheight #7\relax + \pdfpagewidth #8\relax + % XeTeX does not have \pdfhorigin and \pdfvorigin. + \fi \fi % \setleading{\textleading} diff --git a/lib/stddef.in.h b/lib/stddef.in.h index c6d2317ca2..f4c4a1070d 100644 --- a/lib/stddef.in.h +++ b/lib/stddef.in.h @@ -81,8 +81,10 @@ # define wchar_t int #endif -/* Some platforms lack max_align_t. */ -#if !@HAVE_MAX_ALIGN_T@ +/* Some platforms lack max_align_t. The check for _GCC_MAX_ALIGN_T is + a hack in case the configure-time test was done with g++ even though + we are currently compiling with gcc. */ +#if ! (@HAVE_MAX_ALIGN_T@ || defined _GCC_MAX_ALIGN_T) /* On the x86, the maximum storage alignment of double, long, etc. is 4, but GCC's C11 ABI for x86 says that max_align_t has an alignment of 8, and the C11 standard allows this. Work around this problem by diff --git a/m4/stdint.m4 b/m4/stdint.m4 index 0f40ce803b..0b4b9060db 100644 --- a/m4/stdint.m4 +++ b/m4/stdint.m4 @@ -1,4 +1,4 @@ -# stdint.m4 serial 43 +# stdint.m4 serial 44 dnl Copyright (C) 2001-2016 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -70,6 +70,8 @@ AC_DEFUN_ONCE([gl_STDINT_H], AC_COMPILE_IFELSE([ AC_LANG_PROGRAM([[ #define _GL_JUST_INCLUDE_SYSTEM_STDINT_H 1 /* work if build isn't clean */ +#define __STDC_CONSTANT_MACROS 1 +#define __STDC_LIMIT_MACROS 1 #include /* Dragonfly defines WCHAR_MIN, WCHAR_MAX only in . */ #if !(defined WCHAR_MIN && defined WCHAR_MAX) @@ -218,6 +220,8 @@ struct s { AC_RUN_IFELSE([ AC_LANG_PROGRAM([[ #define _GL_JUST_INCLUDE_SYSTEM_STDINT_H 1 /* work if build isn't clean */ +#define __STDC_CONSTANT_MACROS 1 +#define __STDC_LIMIT_MACROS 1 #include ] gl_STDINT_INCLUDES @@ -279,6 +283,29 @@ static const char *macro_values[] = ]) fi if test "$gl_cv_header_working_stdint_h" = yes; then + dnl Now see whether the system works without + dnl __STDC_CONSTANT_MACROS/__STDC_LIMIT_MACROS defined. + AC_CACHE_CHECK([whether stdint.h predates C++11], + [gl_cv_header_stdint_predates_cxx11_h], + [gl_cv_header_stdint_predates_cxx11_h=yes + AC_COMPILE_IFELSE([ + AC_LANG_PROGRAM([[ +#define _GL_JUST_INCLUDE_SYSTEM_STDINT_H 1 /* work if build isn't clean */ +#include +] +gl_STDINT_INCLUDES +[ +intmax_t im = INTMAX_MAX; +int32_t i32 = INT32_C (0x7fffffff); + ]])], + [gl_cv_header_stdint_predates_cxx11_h=no])]) + + if test "$gl_cv_header_stdint_predates_cxx11_h" = yes; then + AC_DEFINE([__STDC_CONSTANT_MACROS], [1], + [Define to 1 if the system predates C++11.]) + AC_DEFINE([__STDC_LIMIT_MACROS], [1], + [Define to 1 if the system predates C++11.]) + fi STDINT_H= else dnl Check for , and for -- 2.39.2