/* config.in. Generated from configure.ac by autoheader. */ /* Define if building universal (internal helper macro) */ #undef AC_APPLE_UNIVERSAL_BUILD /* Define to the number of bits in type 'ptrdiff_t'. */ #undef BITSIZEOF_PTRDIFF_T /* Define to the number of bits in type 'sig_atomic_t'. */ #undef BITSIZEOF_SIG_ATOMIC_T /* Define to the number of bits in type 'size_t'. */ #undef BITSIZEOF_SIZE_T /* Define to the number of bits in type 'wchar_t'. */ #undef BITSIZEOF_WCHAR_T /* Define to the number of bits in type 'wint_t'. */ #undef BITSIZEOF_WINT_T /* Define to 1 if using 'alloca.c'. */ #undef C_ALLOCA /* Define as the bit index in the word where to find bit 0 of the exponent of 'double'. */ #undef DBL_EXPBIT0_BIT /* Define as the word index where to find the exponent of 'double'. */ #undef DBL_EXPBIT0_WORD /* Define to 1 if translation of program messages to the user's native language is requested. */ #undef ENABLE_NLS /* Define to a C preprocessor expression that evaluates to 1 or 0, depending whether the gnulib module fscanf shall be considered present. */ #undef GNULIB_FSCANF /* Define to 1 if printf and friends should be labeled with attribute "__gnu_printf__" instead of "__printf__" */ #undef GNULIB_PRINTF_ATTRIBUTE_FLAVOR_GNU /* Define to a C preprocessor expression that evaluates to 1 or 0, depending whether the gnulib module scanf shall be considered present. */ #undef GNULIB_SCANF /* Define to 1 when the gnulib module getdelim should be tested. */ #undef GNULIB_TEST_GETDELIM /* Define to 1 when the gnulib module getline should be tested. */ #undef GNULIB_TEST_GETLINE /* Define to 1 when the gnulib module memchr should be tested. */ #undef GNULIB_TEST_MEMCHR /* Define to 1 when the gnulib module rawmemchr should be tested. */ #undef GNULIB_TEST_RAWMEMCHR /* Define to 1 when the gnulib module strchrnul should be tested. */ #undef GNULIB_TEST_STRCHRNUL /* Define to 1 when the gnulib module strndup should be tested. */ #undef GNULIB_TEST_STRNDUP /* Define to 1 when the gnulib module strnlen should be tested. */ #undef GNULIB_TEST_STRNLEN /* Define to 1 when the gnulib module vasprintf should be tested. */ #undef GNULIB_TEST_VASPRINTF /* Define to 1 if you have 'alloca' after including , a header that may be supplied by this distribution. */ #undef HAVE_ALLOCA /* Define to 1 if works. */ #undef HAVE_ALLOCA_H /* Define to 1 if you have the header file. */ #undef HAVE_BP_SYM_H /* Define to 1 if you have the Mac OS X function CFLocaleCopyPreferredLanguages in the CoreFoundation framework. */ #undef HAVE_CFLOCALECOPYPREFERREDLANGUAGES /* Define to 1 if you have the Mac OS X function CFPreferencesCopyAppValue in the CoreFoundation framework. */ #undef HAVE_CFPREFERENCESCOPYAPPVALUE /* Define to 1 if you have the header file. */ #undef HAVE_CRTDEFS_H /* Define if the GNU dcgettext() function is already present or preinstalled. */ #undef HAVE_DCGETTEXT /* Define to 1 if you have the declaration of `fcloseall', and to 0 if you don't. */ #undef HAVE_DECL_FCLOSEALL /* Define to 1 if you have the declaration of `getc_unlocked', and to 0 if you don't. */ #undef HAVE_DECL_GETC_UNLOCKED /* Define to 1 if you have the declaration of `getdelim', and to 0 if you don't. */ #undef HAVE_DECL_GETDELIM /* Define to 1 if you have the declaration of `getline', and to 0 if you don't. */ #undef HAVE_DECL_GETLINE /* Define to 1 if you have the declaration of `strndup', and to 0 if you don't. */ #undef HAVE_DECL_STRNDUP /* Define to 1 if you have the declaration of `strnlen', and to 0 if you don't. */ #undef HAVE_DECL_STRNLEN /* Define to 1 if you have the declaration of `wcsdup', and to 0 if you don't. */ #undef HAVE_DECL_WCSDUP /* Define to 1 if you have the declaration of `_snprintf', and to 0 if you don't. */ #undef HAVE_DECL__SNPRINTF /* Define to 1 if you have the header file. */ #undef HAVE_DLFCN_H /* Define to 1 if you have the header file. */ #undef HAVE_FEATURES_H /* Define to 1 if you have the `flockfile' function. */ #undef HAVE_FLOCKFILE /* Define to 1 if you have the `funlockfile' function. */ #undef HAVE_FUNLOCKFILE /* Define to 1 if you have the `getdelim' function. */ #undef HAVE_GETDELIM /* Define if the GNU gettext() function is already present or preinstalled. */ #undef HAVE_GETTEXT /* Define if you have the iconv() function and it works. */ #undef HAVE_ICONV /* Define if you have the 'intmax_t' type in or . */ #undef HAVE_INTMAX_T /* Define to 1 if you have the header file. */ #undef HAVE_INTTYPES_H /* Define if exists, doesn't clash with , and declares uintmax_t. */ #undef HAVE_INTTYPES_H_WITH_UINTMAX /* Define to 1 if you have the header file. */ #undef HAVE_LIMITS_H /* Define to 1 if the system has the type 'long long int'. */ #undef HAVE_LONG_LONG_INT /* Define to 1 if mmap()'s MAP_ANONYMOUS flag is available after including config.h and . */ #undef HAVE_MAP_ANONYMOUS /* Define to 1 if you have the `mbrtowc' function. */ #undef HAVE_MBRTOWC /* Define to 1 if you have the header file. */ #undef HAVE_MINIX_CONFIG_H /* Define to 1 if you have the `mprotect' function. */ #undef HAVE_MPROTECT /* Define to 1 if you have the `rawmemchr' function. */ #undef HAVE_RAWMEMCHR /* Define to 1 if 'sig_atomic_t' is a signed integer type. */ #undef HAVE_SIGNED_SIG_ATOMIC_T /* Define to 1 if 'wchar_t' is a signed integer type. */ #undef HAVE_SIGNED_WCHAR_T /* Define to 1 if 'wint_t' is a signed integer type. */ #undef HAVE_SIGNED_WINT_T /* Define to 1 if you have the `snprintf' function. */ #undef HAVE_SNPRINTF /* Define if the return value of the snprintf function is the number of of bytes (excluding the terminating NUL) that would have been produced if the buffer had been large enough. */ #undef HAVE_SNPRINTF_RETVAL_C99 /* Define if the string produced by the snprintf function is always NUL terminated. */ #undef HAVE_SNPRINTF_TRUNCATION_C99 /* Define to 1 if you have the header file. */ #undef HAVE_STDINT_H /* Define if exists, doesn't clash with , and declares uintmax_t. */ #undef HAVE_STDINT_H_WITH_UINTMAX /* Define to 1 if you have the header file. */ #undef HAVE_STDIO_H /* Define to 1 if you have the header file. */ #undef HAVE_STDLIB_H /* Define to 1 if you have the `strchrnul' function. */ #undef HAVE_STRCHRNUL /* Define to 1 if you have the header file. */ #undef HAVE_STRINGS_H /* Define to 1 if you have the header file. */ #undef HAVE_STRING_H /* Define to 1 if you have the `strndup' function. */ #undef HAVE_STRNDUP /* Define to 1 if you have the `strnlen' function. */ #undef HAVE_STRNLEN /* Define to 1 if you have the header file. */ #undef HAVE_SYS_BITYPES_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_INTTYPES_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_MMAN_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_STAT_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_TYPES_H /* Define to 1 if you have the header file. */ #undef HAVE_UNISTD_H /* Define to 1 if the system has the type 'unsigned long long int'. */ #undef HAVE_UNSIGNED_LONG_LONG_INT /* Define to 1 if you have the `vasnprintf' function. */ #undef HAVE_VASNPRINTF /* Define to 1 if you have the `vasprintf' function. */ #undef HAVE_VASPRINTF /* Define to 1 if you have the header file. */ #undef HAVE_WCHAR_H /* Define if you have the 'wchar_t' type. */ #undef HAVE_WCHAR_T /* Define to 1 if you have the `wcrtomb' function. */ #undef HAVE_WCRTOMB /* Define to 1 if you have the `wcslen' function. */ #undef HAVE_WCSLEN /* Define to 1 if you have the `wcsnlen' function. */ #undef HAVE_WCSNLEN /* Define if you have the 'wint_t' type. */ #undef HAVE_WINT_T /* Define as const if the declaration of iconv() needs const. */ #undef ICONV_CONST /* Define to the sub-directory where libtool stores uninstalled libraries. */ #undef LT_OBJDIR /* Define to a substitute value for mmap()'s MAP_ANONYMOUS flag. */ #undef MAP_ANONYMOUS /* Use GNU style printf and scanf. */ #ifndef __USE_MINGW_ANSI_STDIO # undef __USE_MINGW_ANSI_STDIO #endif /* Name of package */ #undef PACKAGE /* Define to the address where bug reports for this package should be sent. */ #undef PACKAGE_BUGREPORT /* Define to the full name of this package. */ #undef PACKAGE_NAME /* Define to the full name and version of this package. */ #undef PACKAGE_STRING /* Define to the one symbol short name of this package. */ #undef PACKAGE_TARNAME /* Define to the home page for this package. */ #undef PACKAGE_URL /* Define to the version of this package. */ #undef PACKAGE_VERSION /* Define to l, ll, u, ul, ull, etc., as suitable for constants of type 'ptrdiff_t'. */ #undef PTRDIFF_T_SUFFIX /* Define if vasnprintf exists but is overridden by gnulib. */ #undef REPLACE_VASNPRINTF /* Define to l, ll, u, ul, ull, etc., as suitable for constants of type 'sig_atomic_t'. */ #undef SIG_ATOMIC_T_SUFFIX /* Define as the maximum value of type 'size_t', if the system doesn't define it. */ #ifndef SIZE_MAX # undef SIZE_MAX #endif /* Define to l, ll, u, ul, ull, etc., as suitable for constants of type 'size_t'. */ #undef SIZE_T_SUFFIX /* If using the C implementation of alloca, define if you know the direction of stack growth for your system; otherwise it will be automatically deduced at runtime. STACK_DIRECTION > 0 => grows toward higher addresses STACK_DIRECTION < 0 => grows toward lower addresses STACK_DIRECTION = 0 => direction of growth unknown */ #undef STACK_DIRECTION /* Define to 1 if all of the C90 standard headers exist (not just the ones required in a freestanding environment). This macro is provided for backward compatibility; new code need not use it. */ #undef STDC_HEADERS /* Enable extensions on AIX 3, Interix. */ #ifndef _ALL_SOURCE # undef _ALL_SOURCE #endif /* Enable general extensions on macOS. */ #ifndef _DARWIN_C_SOURCE # undef _DARWIN_C_SOURCE #endif /* Enable general extensions on Solaris. */ #ifndef __EXTENSIONS__ # undef __EXTENSIONS__ #endif /* Enable GNU extensions on systems that have them. */ #ifndef _GNU_SOURCE # undef _GNU_SOURCE #endif /* Enable X/Open compliant socket functions that do not require linking with -lxnet on HP-UX 11.11. */ #ifndef _HPUX_ALT_XOPEN_SOCKET_API # undef _HPUX_ALT_XOPEN_SOCKET_API #endif /* Identify the host operating system as Minix. This macro does not affect the system headers' behavior. A future release of Autoconf may stop defining this macro. */ #ifndef _MINIX # undef _MINIX #endif /* Enable general extensions on NetBSD. Enable NetBSD compatibility extensions on Minix. */ #ifndef _NETBSD_SOURCE # undef _NETBSD_SOURCE #endif /* Enable OpenBSD compatibility extensions on NetBSD. Oddly enough, this does nothing on OpenBSD. */ #ifndef _OPENBSD_SOURCE # undef _OPENBSD_SOURCE #endif /* Define to 1 if needed for POSIX-compatible behavior. */ #ifndef _POSIX_SOURCE # undef _POSIX_SOURCE #endif /* Define to 2 if needed for POSIX-compatible behavior. */ #ifndef _POSIX_1_SOURCE # undef _POSIX_1_SOURCE #endif /* Enable POSIX-compatible threading on Solaris. */ #ifndef _POSIX_PTHREAD_SEMANTICS # undef _POSIX_PTHREAD_SEMANTICS #endif /* Enable extensions specified by ISO/IEC TS 18661-5:2014. */ #ifndef __STDC_WANT_IEC_60559_ATTRIBS_EXT__ # undef __STDC_WANT_IEC_60559_ATTRIBS_EXT__ #endif /* Enable extensions specified by ISO/IEC TS 18661-1:2014. */ #ifndef __STDC_WANT_IEC_60559_BFP_EXT__ # undef __STDC_WANT_IEC_60559_BFP_EXT__ #endif /* Enable extensions specified by ISO/IEC TS 18661-2:2015. */ #ifndef __STDC_WANT_IEC_60559_DFP_EXT__ # undef __STDC_WANT_IEC_60559_DFP_EXT__ #endif /* Enable extensions specified by ISO/IEC TS 18661-4:2015. */ #ifndef __STDC_WANT_IEC_60559_FUNCS_EXT__ # undef __STDC_WANT_IEC_60559_FUNCS_EXT__ #endif /* Enable extensions specified by ISO/IEC TS 18661-3:2015. */ #ifndef __STDC_WANT_IEC_60559_TYPES_EXT__ # undef __STDC_WANT_IEC_60559_TYPES_EXT__ #endif /* Enable extensions specified by ISO/IEC TR 24731-2:2010. */ #ifndef __STDC_WANT_LIB_EXT2__ # undef __STDC_WANT_LIB_EXT2__ #endif /* Enable extensions specified by ISO/IEC 24747:2009. */ #ifndef __STDC_WANT_MATH_SPEC_FUNCS__ # undef __STDC_WANT_MATH_SPEC_FUNCS__ #endif /* Enable extensions on HP NonStop. */ #ifndef _TANDEM_SOURCE # undef _TANDEM_SOURCE #endif /* Enable X/Open extensions. Define to 500 only if necessary to make mbstate_t available. */ #ifndef _XOPEN_SOURCE # undef _XOPEN_SOURCE #endif /* Version number of package */ #undef VERSION /* Define to l, ll, u, ul, ull, etc., as suitable for constants of type 'wchar_t'. */ #undef WCHAR_T_SUFFIX /* Define to l, ll, u, ul, ull, etc., as suitable for constants of type 'wint_t'. */ #undef WINT_T_SUFFIX /* Define WORDS_BIGENDIAN to 1 if your processor stores words with the most significant byte first (like Motorola and SPARC, unlike Intel). */ #if defined AC_APPLE_UNIVERSAL_BUILD # if defined __BIG_ENDIAN__ # define WORDS_BIGENDIAN 1 # endif #else # ifndef WORDS_BIGENDIAN # undef WORDS_BIGENDIAN # endif #endif /* True if the compiler says it groks GNU C version MAJOR.MINOR. */ #if defined __GNUC__ && defined __GNUC_MINOR__ # define _GL_GNUC_PREREQ(major, minor) \ ((major) < __GNUC__ + ((minor) <= __GNUC_MINOR__)) #else # define _GL_GNUC_PREREQ(major, minor) 0 #endif /* Define to enable the declarations of ISO C 11 types and functions. */ #undef _ISOC11_SOURCE /* The _Noreturn keyword of C11. */ #ifndef _Noreturn # if (defined __cplusplus \ && ((201103 <= __cplusplus && !(__GNUC__ == 4 && __GNUC_MINOR__ == 7)) \ || (defined _MSC_VER && 1900 <= _MSC_VER)) \ && 0) /* [[noreturn]] is not practically usable, because with it the syntax extern _Noreturn void func (...); would not be valid; such a declaration would only be valid with 'extern' and '_Noreturn' swapped, or without the 'extern' keyword. However, some AIX system header files and several gnulib header files use precisely this syntax with 'extern'. */ # define _Noreturn [[noreturn]] # elif ((!defined __cplusplus || defined __clang__) \ && (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__)) # elif 1200 <= (defined _MSC_VER ? _MSC_VER : 0) # define _Noreturn __declspec (noreturn) # else # define _Noreturn # endif #endif /* For standard stat data types on VMS. */ #undef _USE_STD_STAT /* Define to 1 if the system predates C++11. */ #undef __STDC_CONSTANT_MACROS /* Define to 1 if the system predates C++11. */ #undef __STDC_LIMIT_MACROS /* The _GL_ASYNC_SAFE marker should be attached to functions that are signal handlers (for signals other than SIGABRT, SIGPIPE) or can be invoked from such signal handlers. Such functions have some restrictions: * All functions that it calls should be marked _GL_ASYNC_SAFE as well, or should be listed as async-signal-safe in POSIX section 2.4.3. Note that malloc(), sprintf(), and fwrite(), in particular, are NOT async-signal-safe. * All memory locations (variables and struct fields) that these functions access must be marked 'volatile'. This holds for both read and write accesses. Otherwise the compiler might optimize away stores to and reads from such locations that occur in the program, depending on its data flow analysis. For example, when the program contains a loop that is intended to inspect a variable set from within a signal handler while (!signal_occurred) ; the compiler is allowed to transform this into an endless loop if the variable 'signal_occurred' is not declared 'volatile'. Additionally, recall that: * A signal handler should not modify errno (except if it is a handler for a fatal signal and ends by raising the same signal again, thus provoking the termination of the process). If it invokes a function that may clobber errno, it needs to save and restore the value of errno. */ #define _GL_ASYNC_SAFE /* Attributes. */ #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 # define _GL_ATTR_alloc_size _GL_GNUC_PREREQ (4, 3) # define _GL_ATTR_always_inline _GL_GNUC_PREREQ (3, 2) # define _GL_ATTR_artificial _GL_GNUC_PREREQ (4, 3) # define _GL_ATTR_cold _GL_GNUC_PREREQ (4, 3) # define _GL_ATTR_const _GL_GNUC_PREREQ (2, 95) # define _GL_ATTR_deprecated _GL_GNUC_PREREQ (3, 1) # define _GL_ATTR_diagnose_if 0 # define _GL_ATTR_error _GL_GNUC_PREREQ (4, 3) # define _GL_ATTR_externally_visible _GL_GNUC_PREREQ (4, 1) # define _GL_ATTR_fallthrough _GL_GNUC_PREREQ (7, 0) # define _GL_ATTR_format _GL_GNUC_PREREQ (2, 7) # define _GL_ATTR_leaf _GL_GNUC_PREREQ (4, 6) # ifdef _ICC # define _GL_ATTR_may_alias 0 # else # define _GL_ATTR_may_alias _GL_GNUC_PREREQ (3, 3) # endif # define _GL_ATTR_malloc _GL_GNUC_PREREQ (3, 0) # define _GL_ATTR_noinline _GL_GNUC_PREREQ (3, 1) # define _GL_ATTR_nonnull _GL_GNUC_PREREQ (3, 3) # define _GL_ATTR_nonstring _GL_GNUC_PREREQ (8, 0) # define _GL_ATTR_nothrow _GL_GNUC_PREREQ (3, 3) # define _GL_ATTR_packed _GL_GNUC_PREREQ (2, 7) # define _GL_ATTR_pure _GL_GNUC_PREREQ (2, 96) # define _GL_ATTR_returns_nonnull _GL_GNUC_PREREQ (4, 9) # define _GL_ATTR_sentinel _GL_GNUC_PREREQ (4, 0) # define _GL_ATTR_unused _GL_GNUC_PREREQ (2, 7) # define _GL_ATTR_warn_unused_result _GL_GNUC_PREREQ (3, 4) #endif #if _GL_HAS_ATTRIBUTE (alloc_size) # define _GL_ATTRIBUTE_ALLOC_SIZE(args) __attribute__ ((__alloc_size__ args)) #else # define _GL_ATTRIBUTE_ALLOC_SIZE(args) #endif #if _GL_HAS_ATTRIBUTE (always_inline) # define _GL_ATTRIBUTE_ALWAYS_INLINE __attribute__ ((__always_inline__)) #else # define _GL_ATTRIBUTE_ALWAYS_INLINE #endif #if _GL_HAS_ATTRIBUTE (artificial) # define _GL_ATTRIBUTE_ARTIFICIAL __attribute__ ((__artificial__)) #else # define _GL_ATTRIBUTE_ARTIFICIAL #endif /* Avoid __attribute__ ((cold)) on MinGW; see thread starting at . Also, Oracle Studio 12.6 requires 'cold' not '__cold__'. */ #if _GL_HAS_ATTRIBUTE (cold) && !defined __MINGW32__ # ifndef __SUNPRO_C # define _GL_ATTRIBUTE_COLD __attribute__ ((__cold__)) # else # define _GL_ATTRIBUTE_COLD __attribute__ ((cold)) # endif #else # define _GL_ATTRIBUTE_COLD #endif #if _GL_HAS_ATTRIBUTE (const) # define _GL_ATTRIBUTE_CONST __attribute__ ((__const__)) #else # define _GL_ATTRIBUTE_CONST #endif #if 201710L < __STDC_VERSION__ # define _GL_ATTRIBUTE_DEPRECATED [[__deprecated__]] #elif _GL_HAS_ATTRIBUTE (deprecated) # define _GL_ATTRIBUTE_DEPRECATED __attribute__ ((__deprecated__)) #else # define _GL_ATTRIBUTE_DEPRECATED #endif #if _GL_HAS_ATTRIBUTE (error) # define _GL_ATTRIBUTE_ERROR(msg) __attribute__ ((__error__ (msg))) # define _GL_ATTRIBUTE_WARNING(msg) __attribute__ ((__warning__ (msg))) #elif _GL_HAS_ATTRIBUTE (diagnose_if) # define _GL_ATTRIBUTE_ERROR(msg) __attribute__ ((__diagnose_if__ (1, msg, "error"))) # define _GL_ATTRIBUTE_WARNING(msg) __attribute__ ((__diagnose_if__ (1, msg, "warning"))) #else # define _GL_ATTRIBUTE_ERROR(msg) # define _GL_ATTRIBUTE_WARNING(msg) #endif #if _GL_HAS_ATTRIBUTE (externally_visible) # define _GL_ATTRIBUTE_EXTERNALLY_VISIBLE __attribute__ ((externally_visible)) #else # define _GL_ATTRIBUTE_EXTERNALLY_VISIBLE #endif /* FALLTHROUGH is special, because it always expands to something. */ #if 201710L < __STDC_VERSION__ # define _GL_ATTRIBUTE_FALLTHROUGH [[__fallthrough__]] #elif _GL_HAS_ATTRIBUTE (fallthrough) # define _GL_ATTRIBUTE_FALLTHROUGH __attribute__ ((__fallthrough__)) #else # define _GL_ATTRIBUTE_FALLTHROUGH ((void) 0) #endif #if _GL_HAS_ATTRIBUTE (format) # define _GL_ATTRIBUTE_FORMAT(spec) __attribute__ ((__format__ spec)) #else # define _GL_ATTRIBUTE_FORMAT(spec) #endif #if _GL_HAS_ATTRIBUTE (leaf) # define _GL_ATTRIBUTE_LEAF __attribute__ ((__leaf__)) #else # define _GL_ATTRIBUTE_LEAF #endif /* Oracle Studio 12.6 mishandles may_alias despite __has_attribute OK. */ #if _GL_HAS_ATTRIBUTE (may_alias) && !defined __SUNPRO_C # define _GL_ATTRIBUTE_MAY_ALIAS __attribute__ ((__may_alias__)) #else # define _GL_ATTRIBUTE_MAY_ALIAS #endif #if 201710L < __STDC_VERSION__ # define _GL_ATTRIBUTE_MAYBE_UNUSED [[__maybe_unused__]] #elif _GL_HAS_ATTRIBUTE (unused) # define _GL_ATTRIBUTE_MAYBE_UNUSED __attribute__ ((__unused__)) #else # define _GL_ATTRIBUTE_MAYBE_UNUSED #endif /* Earlier spellings of this macro. */ #define _GL_UNUSED _GL_ATTRIBUTE_MAYBE_UNUSED #define _UNUSED_PARAMETER_ _GL_ATTRIBUTE_MAYBE_UNUSED #if _GL_HAS_ATTRIBUTE (malloc) # define _GL_ATTRIBUTE_MALLOC __attribute__ ((__malloc__)) #else # define _GL_ATTRIBUTE_MALLOC #endif #if 201710L < __STDC_VERSION__ # define _GL_ATTRIBUTE_NODISCARD [[__nodiscard__]] #elif _GL_HAS_ATTRIBUTE (warn_unused_result) # define _GL_ATTRIBUTE_NODISCARD __attribute__ ((__warn_unused_result__)) #else # define _GL_ATTRIBUTE_NODISCARD #endif #if _GL_HAS_ATTRIBUTE (noinline) # define _GL_ATTRIBUTE_NOINLINE __attribute__ ((__noinline__)) #else # define _GL_ATTRIBUTE_NOINLINE #endif #if _GL_HAS_ATTRIBUTE (nonnull) # define _GL_ATTRIBUTE_NONNULL(args) __attribute__ ((__nonnull__ args)) #else # define _GL_ATTRIBUTE_NONNULL(args) #endif #if _GL_HAS_ATTRIBUTE (nonstring) # define _GL_ATTRIBUTE_NONSTRING __attribute__ ((__nonstring__)) #else # define _GL_ATTRIBUTE_NONSTRING #endif /* There is no _GL_ATTRIBUTE_NORETURN; use _Noreturn instead. */ #if _GL_HAS_ATTRIBUTE (nothrow) && !defined __cplusplus # define _GL_ATTRIBUTE_NOTHROW __attribute__ ((__nothrow__)) #else # define _GL_ATTRIBUTE_NOTHROW #endif #if _GL_HAS_ATTRIBUTE (packed) # define _GL_ATTRIBUTE_PACKED __attribute__ ((__packed__)) #else # define _GL_ATTRIBUTE_PACKED #endif #if _GL_HAS_ATTRIBUTE (pure) # define _GL_ATTRIBUTE_PURE __attribute__ ((__pure__)) #else # define _GL_ATTRIBUTE_PURE #endif #if _GL_HAS_ATTRIBUTE (returns_nonnull) # define _GL_ATTRIBUTE_RETURNS_NONNULL __attribute__ ((__returns_nonnull__)) #else # define _GL_ATTRIBUTE_RETURNS_NONNULL #endif #if _GL_HAS_ATTRIBUTE (sentinel) # define _GL_ATTRIBUTE_SENTINEL(pos) __attribute__ ((__sentinel__ pos)) #else # define _GL_ATTRIBUTE_SENTINEL(pos) #endif /* To support C++ as well as C, use _GL_UNUSED_LABEL with trailing ';'. */ #if !defined __cplusplus || _GL_GNUC_PREREQ (4, 5) # define _GL_UNUSED_LABEL _GL_ATTRIBUTE_MAYBE_UNUSED #else # define _GL_UNUSED_LABEL #endif /* Please see the Gnulib manual for how to use these macros. Suppress extern inline with HP-UX cc, as it appears to be broken; see . Suppress extern inline with Sun C in standards-conformance mode, as it mishandles inline functions that call each other. E.g., for 'inline void f (void) { } inline void g (void) { f (); }', c99 incorrectly complains 'reference to static identifier "f" in extern inline function'. This bug was observed with Sun C 5.12 SunOS_i386 2011/11/16. Suppress extern inline (with or without __attribute__ ((__gnu_inline__))) on configurations that mistakenly use 'static inline' to implement functions or macros in standard C headers like . For example, if isdigit is mistakenly implemented via a static inline function, a program containing an extern inline function that calls isdigit may not work since the C standard prohibits extern inline functions from calling static functions (ISO C 99 section 6.7.4.(3). This bug is known to occur on: OS X 10.8 and earlier; see: https://lists.gnu.org/r/bug-gnulib/2012-12/msg00023.html DragonFly; see http://muscles.dragonflybsd.org/bulk/clang-master-potential/20141111_102002/logs/ah-tty-0.3.12.log FreeBSD; see: https://lists.gnu.org/r/bug-gnulib/2014-07/msg00104.html OS X 10.9 has a macro __header_inline indicating the bug is fixed for C and for clang but remains for g++; see . Assume DragonFly and FreeBSD will be similar. GCC 4.3 and above with -std=c99 or -std=gnu99 implements ISO C99 inline semantics, unless -fgnu89-inline is used. It defines a macro __GNUC_STDC_INLINE__ to indicate this situation or a macro __GNUC_GNU_INLINE__ to indicate the opposite situation. GCC 4.2 with -std=c99 or -std=gnu99 implements the GNU C inline semantics but warns, unless -fgnu89-inline is used: warning: C99 inline functions are not supported; using GNU89 warning: to disable this warning use -fgnu89-inline or the gnu_inline function attribute It defines a macro __GNUC_GNU_INLINE__ to indicate this situation. */ #if (((defined __APPLE__ && defined __MACH__) \ || defined __DragonFly__ || defined __FreeBSD__) \ && (defined __header_inline \ ? (defined __cplusplus && defined __GNUC_STDC_INLINE__ \ && ! defined __clang__) \ : ((! defined _DONT_USE_CTYPE_INLINE_ \ && (defined __GNUC__ || defined __cplusplus)) \ || (defined _FORTIFY_SOURCE && 0 < _FORTIFY_SOURCE \ && defined __GNUC__ && ! defined __cplusplus)))) # define _GL_EXTERN_INLINE_STDHEADER_BUG #endif #if ((__GNUC__ \ ? defined __GNUC_STDC_INLINE__ && __GNUC_STDC_INLINE__ \ : (199901L <= __STDC_VERSION__ \ && !defined __HP_cc \ && !defined __PGI \ && !(defined __SUNPRO_C && __STDC__))) \ && !defined _GL_EXTERN_INLINE_STDHEADER_BUG) # define _GL_INLINE inline # define _GL_EXTERN_INLINE extern inline # define _GL_EXTERN_INLINE_IN_USE #elif (2 < __GNUC__ + (7 <= __GNUC_MINOR__) && !defined __STRICT_ANSI__ \ && !defined _GL_EXTERN_INLINE_STDHEADER_BUG) # if defined __GNUC_GNU_INLINE__ && __GNUC_GNU_INLINE__ /* __gnu_inline__ suppresses a GCC 4.2 diagnostic. */ # define _GL_INLINE extern inline __attribute__ ((__gnu_inline__)) # else # define _GL_INLINE extern inline # endif # define _GL_EXTERN_INLINE extern # define _GL_EXTERN_INLINE_IN_USE #else # define _GL_INLINE static _GL_UNUSED # define _GL_EXTERN_INLINE static _GL_UNUSED #endif /* In GCC 4.6 (inclusive) to 5.1 (exclusive), suppress bogus "no previous prototype for 'FOO'" and "no previous declaration for 'FOO'" diagnostics, when FOO is an inline function in the header; see and . */ #if __GNUC__ == 4 && 6 <= __GNUC_MINOR__ # if defined __GNUC_STDC_INLINE__ && __GNUC_STDC_INLINE__ # define _GL_INLINE_HEADER_CONST_PRAGMA # else # define _GL_INLINE_HEADER_CONST_PRAGMA \ _Pragma ("GCC diagnostic ignored \"-Wsuggest-attribute=const\"") # endif # define _GL_INLINE_HEADER_BEGIN \ _Pragma ("GCC diagnostic push") \ _Pragma ("GCC diagnostic ignored \"-Wmissing-prototypes\"") \ _Pragma ("GCC diagnostic ignored \"-Wmissing-declarations\"") \ _GL_INLINE_HEADER_CONST_PRAGMA # define _GL_INLINE_HEADER_END \ _Pragma ("GCC diagnostic pop") #else # define _GL_INLINE_HEADER_BEGIN # define _GL_INLINE_HEADER_END #endif /* Define to long or long long if and don't define. */ #undef intmax_t /* Work around a bug in Apple GCC 4.0.1 build 5465: In C99 mode, it supports the ISO C 99 semantics of 'extern inline' (unlike the GNU C semantics of earlier versions), but does not display it by setting __GNUC_STDC_INLINE__. __APPLE__ && __MACH__ test for Mac OS X. __APPLE_CC__ tests for the Apple compiler and its version. __STDC_VERSION__ tests for the C99 mode. */ #if defined __APPLE__ && defined __MACH__ && __APPLE_CC__ >= 5465 && !defined __cplusplus && __STDC_VERSION__ >= 199901L && !defined __GNUC_STDC_INLINE__ # define __GNUC_STDC_INLINE__ 1 #endif /* _GL_CMP (n1, n2) performs a three-valued comparison on n1 vs. n2, where n1 and n2 are expressions without side effects, that evaluate to real numbers (excluding NaN). It returns 1 if n1 > n2 0 if n1 == n2 -1 if n1 < n2 The naïve code (n1 > n2 ? 1 : n1 < n2 ? -1 : 0) produces a conditional jump with nearly all GCC versions up to GCC 10. This variant (n1 < n2 ? -1 : n1 > n2) produces a conditional with many GCC versions up to GCC 9. The better code (n1 > n2) - (n1 < n2) from Hacker's Delight § 2-9 avoids conditional jumps in all GCC versions >= 3.4. */ #define _GL_CMP(n1, n2) (((n1) > (n2)) - ((n1) < (n2))) /* Define to `int' if does not define. */ #undef mode_t /* Define as a signed integer type capable of holding a process identifier. */ #undef pid_t /* Define as the type of the result of subtracting two pointers, if the system doesn't define it. */ #undef ptrdiff_t /* Define to the equivalent of the C99 'restrict' keyword, or to nothing if this is not supported. Do not define if restrict is supported only directly. */ #undef restrict /* Work around a bug in older versions of Sun C++, which did not #define __restrict__ or support _Restrict or __restrict__ even though the corresponding Sun C compiler ended up with "#define restrict _Restrict" or "#define restrict __restrict__" in the previous line. This workaround can be removed once we assume Oracle Developer Studio 12.5 (2016) or later. */ #if defined __SUNPRO_CC && !defined __RESTRICT && !defined __restrict__ # define _Restrict # define __restrict__ #endif /* Define to `unsigned int' if does not define. */ #undef size_t /* Define as a signed type of the same size as size_t. */ #undef ssize_t