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Update Gnulib to v0.1-4379-g2ef5a9b4b

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Also bump required autoconf version to 2.64, as required by Gnulib.
This commit is contained in:
Andy Wingo 2021-01-20 21:52:54 +01:00
parent 758b31994c
commit a91b95cca2
483 changed files with 26665 additions and 10031 deletions
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27
lib/stdalign.in.h
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@ -1,6 +1,6 @@
/* A substitute for ISO C11 <stdalign.h>.
Copyright 2011-2017 Free Software Foundation, Inc.
Copyright 2011-2021 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
@ -13,7 +13,7 @@
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program; if not, see <http://www.gnu.org/licenses/>. */
along with this program; if not, see <https://www.gnu.org/licenses/>. */
/* Written by Paul Eggert and Bruno Haible. */
@ -34,11 +34,12 @@
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.
This differs from GCC's and clang's __alignof__ operator, which can
yield a better-performing alignment for an object of that type. For
example, on x86 with GCC and on Linux/x86 with clang,
__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.
@ -53,9 +54,12 @@
#undef _Alignof
/* GCC releases before GCC 4.9 had a bug in _Alignof. See GCC bug 52023
<http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52023>. */
<https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52023>.
clang versions < 8.0.0 have the same bug. */
#if (!defined __STDC_VERSION__ || __STDC_VERSION__ < 201112 \
|| (defined __GNUC__ && __GNUC__ < 4 + (__GNUC_MINOR__ < 9)))
|| (defined __GNUC__ && __GNUC__ < 4 + (__GNUC_MINOR__ < 9) \
&& !defined __clang__) \
|| (defined __clang__ && __clang_major__ < 8))
# ifdef __cplusplus
# if 201103 <= __cplusplus
# define _Alignof(type) alignof (type)
@ -102,8 +106,9 @@
# define _Alignas(a) alignas (a)
# elif ((defined __APPLE__ && defined __MACH__ \
? 4 < __GNUC__ + (1 <= __GNUC_MINOR__) \
: __GNUC__) \
|| 061200 <= __HP_cc || 061200 <= __HP_aCC \
: __GNUC__ && !defined __ibmxl__) \
|| (4 <= __clang_major__) \
|| (__ia64 && (61200 <= __HP_cc || 61200 <= __HP_aCC)) \
|| __ICC || 0x590 <= __SUNPRO_C || 0x0600 <= __xlC__)
# define _Alignas(a) __attribute__ ((__aligned__ (a)))
# elif 1300 <= _MSC_VER