diff options
Diffstat (limited to 'lib/gl/libc-config.h')
| -rw-r--r-- | lib/gl/libc-config.h | 218 |
1 files changed, 123 insertions, 95 deletions
diff --git a/lib/gl/libc-config.h b/lib/gl/libc-config.h index f24fbfa..a56665b 100644 --- a/lib/gl/libc-config.h +++ b/lib/gl/libc-config.h @@ -1,6 +1,6 @@ /* System definitions for code taken from the GNU C Library - Copyright 2017-2019 Free Software Foundation, Inc. + Copyright 2017-2022 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 @@ -28,14 +28,17 @@ When compiled as part of glibc this is a no-op; when compiled as part of Gnulib this includes Gnulib's <config.h> and defines macros - that glibc library code would normally assume. */ + that glibc library code would normally assume. + + Note: This header file MUST NOT be included by public header files + of Gnulib. */ #include <config.h> /* On glibc this includes <features.h> and <sys/cdefs.h> and #defines - _FEATURES_H, __WORDSIZE, and __set_errno. On FreeBSD 11 it - includes <sys/cdefs.h> which defines __nonnull. Elsewhere it - is harmless. */ + _FEATURES_H, __WORDSIZE, and __set_errno. On FreeBSD 11 and + DragonFlyBSD 5.9 it includes <sys/cdefs.h> which defines __nonnull. + Elsewhere it is harmless. */ #include <errno.h> /* From glibc <errno.h>. */ @@ -55,114 +58,138 @@ #ifndef __glibc_clang_prereq # if defined __clang_major__ && defined __clang_minor__ -# define __glibc_clang_prereq(maj, min) \ - ((maj) < __clang_major__ + ((min) <= __clang_minor__)) +# ifdef __apple_build_version__ +/* Apple for some reason renumbers __clang_major__ and __clang_minor__. + Gnulib code uses only __glibc_clang_prereq (3, 5); map it to + 6000000 <= __apple_build_version__. Support for other calls to + __glibc_clang_prereq can be added here as needed. */ +# define __glibc_clang_prereq(maj, min) \ + ((maj) == 3 && (min) == 5 ? 6000000 <= __apple_build_version__ : 0) +# else +# define __glibc_clang_prereq(maj, min) \ + ((maj) < __clang_major__ + ((min) <= __clang_minor__)) +# endif # else # define __glibc_clang_prereq(maj, min) 0 # endif #endif - -/* Prepare to include <cdefs.h>, which is our copy of glibc - <sys/cdefs.h>. */ +#ifndef __attribute_nonnull__ +/* <sys/cdefs.h> either does not exist, or is too old for Gnulib. + Prepare to include <cdefs.h>, which is Gnulib's version of a + more-recent glibc <sys/cdefs.h>. */ /* Define _FEATURES_H so that <cdefs.h> does not include <features.h>. */ -#ifndef _FEATURES_H -# define _FEATURES_H 1 -#endif -/* Define __WORDSIZE so that <cdefs.h> does not attempt to include - nonexistent files. Make it a syntax error, since Gnulib does not - use __WORDSIZE now, and if Gnulib uses it later the syntax error - will let us know that __WORDSIZE needs configuring. */ -#ifndef __WORDSIZE -# define __WORDSIZE %%% -#endif +# ifndef _FEATURES_H +# define _FEATURES_H 1 +# endif +/* Define __GNULIB_CDEFS so that <cdefs.h> does not attempt to include + nonexistent files. */ +# define __GNULIB_CDEFS /* Undef the macros unconditionally defined by our copy of glibc <sys/cdefs.h>, so that they do not clash with any system-defined versions. */ -#undef _SYS_CDEFS_H -#undef __ASMNAME -#undef __ASMNAME2 -#undef __BEGIN_DECLS -#undef __CONCAT -#undef __END_DECLS -#undef __HAVE_GENERIC_SELECTION -#undef __LDBL_COMPAT -#undef __LDBL_REDIR -#undef __LDBL_REDIR1 -#undef __LDBL_REDIR1_DECL -#undef __LDBL_REDIR1_NTH -#undef __LDBL_REDIR_DECL -#undef __LDBL_REDIR_NTH -#undef __LEAF -#undef __LEAF_ATTR -#undef __NTH -#undef __NTHNL -#undef __P -#undef __PMT -#undef __REDIRECT -#undef __REDIRECT_LDBL -#undef __REDIRECT_NTH -#undef __REDIRECT_NTHNL -#undef __REDIRECT_NTH_LDBL -#undef __STRING -#undef __THROW -#undef __THROWNL -#undef __always_inline -#undef __attribute__ -#undef __attribute_alloc_size__ -#undef __attribute_artificial__ -#undef __attribute_const__ -#undef __attribute_deprecated__ -#undef __attribute_deprecated_msg__ -#undef __attribute_format_arg__ -#undef __attribute_format_strfmon__ -#undef __attribute_malloc__ -#undef __attribute_noinline__ -#undef __attribute_nonstring__ -#undef __attribute_pure__ -#undef __attribute_used__ -#undef __attribute_warn_unused_result__ -#undef __bos -#undef __bos0 -#undef __errordecl -#undef __extension__ -#undef __extern_always_inline -#undef __extern_inline -#undef __flexarr -#undef __fortify_function -#undef __glibc_c99_flexarr_available -#undef __glibc_clang_has_extension -#undef __glibc_likely -#undef __glibc_macro_warning -#undef __glibc_macro_warning1 -#undef __glibc_unlikely -#undef __inline -#undef __ptr_t -#undef __restrict -#undef __restrict_arr -#undef __va_arg_pack -#undef __va_arg_pack_len -#undef __warnattr -#undef __warndecl +# undef _SYS_CDEFS_H +# undef __ASMNAME +# undef __ASMNAME2 +# undef __BEGIN_DECLS +# undef __CONCAT +# undef __END_DECLS +# undef __HAVE_GENERIC_SELECTION +# undef __LDBL_COMPAT +# undef __LDBL_REDIR +# undef __LDBL_REDIR1 +# undef __LDBL_REDIR1_DECL +# undef __LDBL_REDIR1_NTH +# undef __LDBL_REDIR2_DECL +# undef __LDBL_REDIR_DECL +# undef __LDBL_REDIR_NTH +# undef __LEAF +# undef __LEAF_ATTR +# undef __NTH +# undef __NTHNL +# undef __REDIRECT +# undef __REDIRECT_LDBL +# undef __REDIRECT_NTH +# undef __REDIRECT_NTHNL +# undef __REDIRECT_NTH_LDBL +# undef __STRING +# undef __THROW +# undef __THROWNL +# undef __attr_access +# undef __attr_access_none +# undef __attr_dealloc +# undef __attr_dealloc_free +# undef __attribute__ +# undef __attribute_alloc_align__ +# undef __attribute_alloc_size__ +# undef __attribute_artificial__ +# undef __attribute_const__ +# undef __attribute_deprecated__ +# undef __attribute_deprecated_msg__ +# undef __attribute_format_arg__ +# undef __attribute_format_strfmon__ +# undef __attribute_malloc__ +# undef __attribute_maybe_unused__ +# undef __attribute_noinline__ +# undef __attribute_nonstring__ +# undef __attribute_pure__ +# undef __attribute_returns_twice__ +# undef __attribute_used__ +# undef __attribute_warn_unused_result__ +# undef __bos +# undef __bos0 +# undef __errordecl +# undef __extension__ +# undef __extern_always_inline +# undef __extern_inline +# undef __flexarr +# undef __fortified_attr_access +# undef __fortify_function +# undef __glibc_c99_flexarr_available +# undef __glibc_fortify +# undef __glibc_fortify_n +# undef __glibc_has_attribute +# undef __glibc_has_builtin +# undef __glibc_has_extension +# undef __glibc_likely +# undef __glibc_macro_warning +# undef __glibc_macro_warning1 +# undef __glibc_objsize +# undef __glibc_objsize0 +# undef __glibc_safe_len_cond +# undef __glibc_safe_or_unknown_len +# undef __glibc_unlikely +# undef __glibc_unsafe_len +# undef __glibc_unsigned_or_positive +# undef __inline +# undef __ptr_t +# undef __restrict +# undef __restrict_arr +# undef __va_arg_pack +# undef __va_arg_pack_len +# undef __warnattr +# undef __wur /* Include our copy of glibc <sys/cdefs.h>. */ -#include <cdefs.h> +# include <cdefs.h> /* <cdefs.h> __inline is too pessimistic for non-GCC. */ -#undef __inline -#ifndef HAVE___INLINE -# if 199901 <= __STDC_VERSION__ || defined inline -# define __inline inline -# else -# define __inline +# undef __inline +# ifndef HAVE___INLINE +# if 199901 <= __STDC_VERSION__ || defined inline +# define __inline inline +# else +# define __inline +# endif # endif -#endif + +#endif /* defined __glibc_likely */ /* A substitute for glibc <libc-symbols.h>, good enough for Gnulib. */ #define attribute_hidden -#define libc_hidden_proto(name, ...) +#define libc_hidden_proto(name) #define libc_hidden_def(name) #define libc_hidden_weak(name) #define libc_hidden_ver(local, name) @@ -171,4 +198,5 @@ /* A substitute for glibc <shlib-compat.h>, good enough for Gnulib. */ #define SHLIB_COMPAT(lib, introduced, obsoleted) 0 -#define versioned_symbol(lib, local, symbol, version) +#define compat_symbol(lib, local, symbol, version) extern int dummy +#define versioned_symbol(lib, local, symbol, version) extern int dummy |