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Update from Gnulib by running admin/merge-gnulib

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This commit is contained in:
Paul Eggert 2021-01-22 11:45:38 -08:00
parent 9143eba0c6
commit a900e641fa
51 changed files with 1841 additions and 514 deletions
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15
m4/gnulib-common.m4
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@ -39,11 +39,12 @@ AC_DEFUN([gl_COMMON_BODY], [
this syntax with 'extern'. */
# define _Noreturn [[noreturn]]
# elif ((!defined __cplusplus || defined __clang__) \
&& (201112 <= (defined __STDC_VERSION__ ? __STDC_VERSION__ : 0) \
|| _GL_GNUC_PREREQ (4, 7) \
|| (defined __apple_build_version__ \
? 6000000 <= __apple_build_version__ \
: 3 < __clang_major__ + (5 <= __clang_minor__))))
&& (201112 <= (defined __STDC_VERSION__ ? __STDC_VERSION__ : 0) \
|| (!defined __STRICT_ANSI__ \
&& (_GL_GNUC_PREREQ (4, 7) \
|| (defined __apple_build_version__ \
? 6000000 <= __apple_build_version__ \
: 3 < __clang_major__ + (5 <= __clang_minor__))))))
/* _Noreturn works as-is. */
# elif _GL_GNUC_PREREQ (2, 8) || defined __clang__ || 0x5110 <= __SUNPRO_C
# define _Noreturn __attribute__ ((__noreturn__))
@ -66,7 +67,9 @@ AC_DEFUN([gl_COMMON_BODY], [
#endif])
AH_VERBATIM([attribute],
[/* Attributes. */
#ifdef __has_attribute
#if (defined __has_attribute \
&& (!defined __clang_minor__ \
|| 3 < __clang_major__ + (5 <= __clang_minor__)))
# define _GL_HAS_ATTRIBUTE(attr) __has_attribute (__##attr##__)
#else
# define _GL_HAS_ATTRIBUTE(attr) _GL_ATTR_##attr