/* config.in.  Generated from configure.ac by autoheader.  */

/* 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 one of '_getb67', 'GETB67', 'getb67' for Cray-2 and Cray-YMP
   systems. This function is required for 'alloca.c' support on those systems.
   */
#undef CRAY_STACKSEG_END

/* Define to 1 if using 'alloca.c'. */
#undef C_ALLOCA

/* Define to 1 when the gnulib module mbrtowc should be tested. */
#undef GNULIB_TEST_MBRTOWC

/* Define to 1 when the gnulib module mbsinit should be tested. */
#undef GNULIB_TEST_MBSINIT

/* Define to 1 when the gnulib module mbsrtowcs should be tested. */
#undef GNULIB_TEST_MBSRTOWCS

/* Define to 1 when the gnulib module memchr should be tested. */
#undef GNULIB_TEST_MEMCHR

/* Define to 1 when the gnulib module memmem should be tested. */
#undef GNULIB_TEST_MEMMEM

/* Define to 1 if you have 'alloca' after including <alloca.h>, a header that
   may be supplied by this distribution. */
#undef HAVE_ALLOCA

/* Define to 1 if you have <alloca.h> and it should be used (not on Ultrix).
   */
#undef HAVE_ALLOCA_H

/* Define to 1 if you have the <bp-sym.h> header file. */
#undef HAVE_BP_SYM_H

/* Define to 1 if you have the 'btowc' function. */
#undef HAVE_BTOWC

/* 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 `isblank', and to 0 if you
   don't. */
#undef HAVE_DECL_ISBLANK

/* Define to 1 if you have the declaration of `mbrtowc', and to 0 if you
   don't. */
#undef HAVE_DECL_MBRTOWC

/* Define to 1 if you have the declaration of `mbsinit', and to 0 if you
   don't. */
#undef HAVE_DECL_MBSINIT

/* Define to 1 if you have the declaration of `mbsrtowcs', and to 0 if you
   don't. */
#undef HAVE_DECL_MBSRTOWCS

/* Define to 1 if you have the declaration of `memmem', and to 0 if you don't.
   */
#undef HAVE_DECL_MEMMEM

/* Define to 1 if you have the declaration of `towlower', and to 0 if you
   don't. */
#undef HAVE_DECL_TOWLOWER

/* Define to 1 if you have the <features.h> header file. */
#undef HAVE_FEATURES_H

/* Define to 1 if you have the <inttypes.h> header file. */
#undef HAVE_INTTYPES_H

/* Define to 1 if you have the 'isblank' function. */
#undef HAVE_ISBLANK

/* Define to 1 if you have the 'iswcntrl' function. */
#undef HAVE_ISWCNTRL

/* Define to 1 if you have the 'iswctype' function. */
#undef HAVE_ISWCTYPE

/* Define if you have <langinfo.h> and nl_langinfo(CODESET). */
#undef HAVE_LANGINFO_CODESET

/* 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 <sys/mman.h>. */
#undef HAVE_MAP_ANONYMOUS

/* Define to 1 if you have the 'mbrtowc' function. */
#undef HAVE_MBRTOWC

/* Define to 1 if you have the 'mbsinit' function. */
#undef HAVE_MBSINIT

/* Define to 1 if you have the 'mbsrtowcs' function. */
#undef HAVE_MBSRTOWCS

/* Define to 1 if <wchar.h> declares mbstate_t. */
#undef HAVE_MBSTATE_T

/* Define to 1 if you have the `memmem' function. */
#undef HAVE_MEMMEM

/* Define to 1 if you have the <memory.h> header file. */
#undef HAVE_MEMORY_H

/* Define to 1 if you have the 'mempcpy' function. */
#undef HAVE_MEMPCPY

/* Define to 1 if you have the 'mprotect' function. */
#undef HAVE_MPROTECT

/* Define to 1 if btowc is declared even after undefining macros. */
#undef HAVE_RAW_DECL_BTOWC

/* Define to 1 if ffsl is declared even after undefining macros. */
#undef HAVE_RAW_DECL_FFSL

/* Define to 1 if ffsll is declared even after undefining macros. */
#undef HAVE_RAW_DECL_FFSLL

/* Define to 1 if imaxabs is declared even after undefining macros. */
#undef HAVE_RAW_DECL_IMAXABS

/* Define to 1 if imaxdiv is declared even after undefining macros. */
#undef HAVE_RAW_DECL_IMAXDIV

/* Define to 1 if iswctype is declared even after undefining macros. */
#undef HAVE_RAW_DECL_ISWCTYPE

/* Define to 1 if mbrlen is declared even after undefining macros. */
#undef HAVE_RAW_DECL_MBRLEN

/* Define to 1 if mbrtowc is declared even after undefining macros. */
#undef HAVE_RAW_DECL_MBRTOWC

/* Define to 1 if mbsinit is declared even after undefining macros. */
#undef HAVE_RAW_DECL_MBSINIT

/* Define to 1 if mbsnrtowcs is declared even after undefining macros. */
#undef HAVE_RAW_DECL_MBSNRTOWCS

/* Define to 1 if mbsrtowcs is declared even after undefining macros. */
#undef HAVE_RAW_DECL_MBSRTOWCS

/* Define to 1 if memmem is declared even after undefining macros. */
#undef HAVE_RAW_DECL_MEMMEM

/* Define to 1 if mempcpy is declared even after undefining macros. */
#undef HAVE_RAW_DECL_MEMPCPY

/* Define to 1 if memrchr is declared even after undefining macros. */
#undef HAVE_RAW_DECL_MEMRCHR

/* Define to 1 if rawmemchr is declared even after undefining macros. */
#undef HAVE_RAW_DECL_RAWMEMCHR

/* Define to 1 if stpcpy is declared even after undefining macros. */
#undef HAVE_RAW_DECL_STPCPY

/* Define to 1 if stpncpy is declared even after undefining macros. */
#undef HAVE_RAW_DECL_STPNCPY

/* Define to 1 if strcasestr is declared even after undefining macros. */
#undef HAVE_RAW_DECL_STRCASESTR

/* Define to 1 if strchrnul is declared even after undefining macros. */
#undef HAVE_RAW_DECL_STRCHRNUL

/* Define to 1 if strdup is declared even after undefining macros. */
#undef HAVE_RAW_DECL_STRDUP

/* Define to 1 if strerror_r is declared even after undefining macros. */
#undef HAVE_RAW_DECL_STRERROR_R

/* Define to 1 if strncat is declared even after undefining macros. */
#undef HAVE_RAW_DECL_STRNCAT

/* Define to 1 if strndup is declared even after undefining macros. */
#undef HAVE_RAW_DECL_STRNDUP

/* Define to 1 if strnlen is declared even after undefining macros. */
#undef HAVE_RAW_DECL_STRNLEN

/* Define to 1 if strpbrk is declared even after undefining macros. */
#undef HAVE_RAW_DECL_STRPBRK

/* Define to 1 if strsep is declared even after undefining macros. */
#undef HAVE_RAW_DECL_STRSEP

/* Define to 1 if strsignal is declared even after undefining macros. */
#undef HAVE_RAW_DECL_STRSIGNAL

/* Define to 1 if strtoimax is declared even after undefining macros. */
#undef HAVE_RAW_DECL_STRTOIMAX

/* Define to 1 if strtok_r is declared even after undefining macros. */
#undef HAVE_RAW_DECL_STRTOK_R

/* Define to 1 if strtoumax is declared even after undefining macros. */
#undef HAVE_RAW_DECL_STRTOUMAX

/* Define to 1 if strverscmp is declared even after undefining macros. */
#undef HAVE_RAW_DECL_STRVERSCMP

/* Define to 1 if towctrans is declared even after undefining macros. */
#undef HAVE_RAW_DECL_TOWCTRANS

/* Define to 1 if wcpcpy is declared even after undefining macros. */
#undef HAVE_RAW_DECL_WCPCPY

/* Define to 1 if wcpncpy is declared even after undefining macros. */
#undef HAVE_RAW_DECL_WCPNCPY

/* Define to 1 if wcrtomb is declared even after undefining macros. */
#undef HAVE_RAW_DECL_WCRTOMB

/* Define to 1 if wcscasecmp is declared even after undefining macros. */
#undef HAVE_RAW_DECL_WCSCASECMP

/* Define to 1 if wcscat is declared even after undefining macros. */
#undef HAVE_RAW_DECL_WCSCAT

/* Define to 1 if wcschr is declared even after undefining macros. */
#undef HAVE_RAW_DECL_WCSCHR

/* Define to 1 if wcscmp is declared even after undefining macros. */
#undef HAVE_RAW_DECL_WCSCMP

/* Define to 1 if wcscoll is declared even after undefining macros. */
#undef HAVE_RAW_DECL_WCSCOLL

/* Define to 1 if wcscpy is declared even after undefining macros. */
#undef HAVE_RAW_DECL_WCSCPY

/* Define to 1 if wcscspn is declared even after undefining macros. */
#undef HAVE_RAW_DECL_WCSCSPN

/* Define to 1 if wcsdup is declared even after undefining macros. */
#undef HAVE_RAW_DECL_WCSDUP

/* Define to 1 if wcslen is declared even after undefining macros. */
#undef HAVE_RAW_DECL_WCSLEN

/* Define to 1 if wcsncasecmp is declared even after undefining macros. */
#undef HAVE_RAW_DECL_WCSNCASECMP

/* Define to 1 if wcsncat is declared even after undefining macros. */
#undef HAVE_RAW_DECL_WCSNCAT

/* Define to 1 if wcsncmp is declared even after undefining macros. */
#undef HAVE_RAW_DECL_WCSNCMP

/* Define to 1 if wcsncpy is declared even after undefining macros. */
#undef HAVE_RAW_DECL_WCSNCPY

/* Define to 1 if wcsnlen is declared even after undefining macros. */
#undef HAVE_RAW_DECL_WCSNLEN

/* Define to 1 if wcsnrtombs is declared even after undefining macros. */
#undef HAVE_RAW_DECL_WCSNRTOMBS

/* Define to 1 if wcspbrk is declared even after undefining macros. */
#undef HAVE_RAW_DECL_WCSPBRK

/* Define to 1 if wcsrchr is declared even after undefining macros. */
#undef HAVE_RAW_DECL_WCSRCHR

/* Define to 1 if wcsrtombs is declared even after undefining macros. */
#undef HAVE_RAW_DECL_WCSRTOMBS

/* Define to 1 if wcsspn is declared even after undefining macros. */
#undef HAVE_RAW_DECL_WCSSPN

/* Define to 1 if wcsstr is declared even after undefining macros. */
#undef HAVE_RAW_DECL_WCSSTR

/* Define to 1 if wcstok is declared even after undefining macros. */
#undef HAVE_RAW_DECL_WCSTOK

/* Define to 1 if wcswidth is declared even after undefining macros. */
#undef HAVE_RAW_DECL_WCSWIDTH

/* Define to 1 if wcsxfrm is declared even after undefining macros. */
#undef HAVE_RAW_DECL_WCSXFRM

/* Define to 1 if wctob is declared even after undefining macros. */
#undef HAVE_RAW_DECL_WCTOB

/* Define to 1 if wctrans is declared even after undefining macros. */
#undef HAVE_RAW_DECL_WCTRANS

/* Define to 1 if wctype is declared even after undefining macros. */
#undef HAVE_RAW_DECL_WCTYPE

/* Define to 1 if wcwidth is declared even after undefining macros. */
#undef HAVE_RAW_DECL_WCWIDTH

/* Define to 1 if wmemchr is declared even after undefining macros. */
#undef HAVE_RAW_DECL_WMEMCHR

/* Define to 1 if wmemcmp is declared even after undefining macros. */
#undef HAVE_RAW_DECL_WMEMCMP

/* Define to 1 if wmemcpy is declared even after undefining macros. */
#undef HAVE_RAW_DECL_WMEMCPY

/* Define to 1 if wmemmove is declared even after undefining macros. */
#undef HAVE_RAW_DECL_WMEMMOVE

/* Define to 1 if wmemset is declared even after undefining macros. */
#undef HAVE_RAW_DECL_WMEMSET

/* 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 <stdint.h> header file. */
#undef HAVE_STDINT_H

/* Define to 1 if you have the <stdlib.h> header file. */
#undef HAVE_STDLIB_H

/* Define to 1 if you have the <strings.h> header file. */
#undef HAVE_STRINGS_H

/* Define to 1 if you have the <string.h> header file. */
#undef HAVE_STRING_H

/* Define to 1 if you have the 'symlink' function. */
#undef HAVE_SYMLINK

/* Define to 1 if you have the <sys/bitypes.h> header file. */
#undef HAVE_SYS_BITYPES_H

/* Define to 1 if you have the <sys/inttypes.h> header file. */
#undef HAVE_SYS_INTTYPES_H

/* Define to 1 if you have the <sys/mman.h> header file. */
#undef HAVE_SYS_MMAN_H

/* Define to 1 if you have the <sys/stat.h> header file. */
#undef HAVE_SYS_STAT_H

/* Define to 1 if you have the <sys/types.h> header file. */
#undef HAVE_SYS_TYPES_H

/* Define to 1 if you have the `towlower' function. */
#undef HAVE_TOWLOWER

/* Define to 1 if you have the <unistd.h> 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 <wchar.h> 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 <wctype.h> header file. */
#undef HAVE_WCTYPE_H

/* Define if you have the 'wint_t' type. */
#undef HAVE_WINT_T

/* Define to 1 if you have the 'wmemchr' function. */
#undef HAVE_WMEMCHR

/* Define to 1 if you have the 'wmemcpy' function. */
#undef HAVE_WMEMCPY

/* Define to 1 if you have the 'wmempcpy' function. */
#undef HAVE_WMEMPCPY

/* Define to 1 if O_NOATIME works. */
#undef HAVE_WORKING_O_NOATIME

/* Define to 1 if O_NOFOLLOW works. */
#undef HAVE_WORKING_O_NOFOLLOW

/* Define to 1 if the system has the type `_Bool'. */
#undef HAVE__BOOL

/* Define to a substitute value for mmap()'s MAP_ANONYMOUS flag. */
#undef MAP_ANONYMOUS

/* Define if the mbrtowc function has the NULL pwc argument bug. */
#undef MBRTOWC_NULL_ARG1_BUG

/* Define if the mbrtowc function has the NULL string argument bug. */
#undef MBRTOWC_NULL_ARG2_BUG

/* Define if the mbrtowc function does not return 0 for a NUL character. */
#undef MBRTOWC_NUL_RETVAL_BUG

/* Define if the mbrtowc function returns a wrong return value. */
#undef MBRTOWC_RETVAL_BUG

/* 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 if <inttypes.h> exists and defines unusable PRI* macros. */
#undef PRI_MACROS_BROKEN

/* Define to l, ll, u, ul, ull, etc., as suitable for constants of type
   'ptrdiff_t'. */
#undef PTRDIFF_T_SUFFIX

/* Define to l, ll, u, ul, ull, etc., as suitable for constants of type
   'sig_atomic_t'. */
#undef SIG_ATOMIC_T_SUFFIX

/* 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 you have the ANSI C header files. */
#undef STDC_HEADERS

/* 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 to 1 if on MINIX. */
#undef _MINIX

/* The _Noreturn keyword of C11.  */
#if ! (defined _Noreturn \
       || (defined __STDC_VERSION__ && 201112 <= __STDC_VERSION__))
# if (3 <= __GNUC__ || (__GNUC__ == 2 && 8 <= __GNUC_MINOR__) \
      || 0x5110 <= __SUNPRO_C)
#  define _Noreturn __attribute__ ((__noreturn__))
# elif defined _MSC_VER && 1200 <= _MSC_VER
#  define _Noreturn __declspec (noreturn)
# else
#  define _Noreturn
# endif
#endif


/* Define to 2 if the system does not provide POSIX.1 features except with
   this defined. */
#undef _POSIX_1_SOURCE

/* Define to 1 if you need to in order for 'stat' and other things to work. */
#undef _POSIX_SOURCE

/* Define to 500 only on HP-UX. */
#undef _XOPEN_SOURCE

/* Enable extensions on AIX 3, Interix.  */
#ifndef _ALL_SOURCE
# undef _ALL_SOURCE
#endif
/* Enable general extensions on Mac OS X.  */
#ifndef _DARWIN_C_SOURCE
# undef _DARWIN_C_SOURCE
#endif
/* Enable GNU extensions on systems that have them.  */
#ifndef _GNU_SOURCE
# undef _GNU_SOURCE
#endif
/* Enable threading extensions on Solaris.  */
#ifndef _POSIX_PTHREAD_SEMANTICS
# undef _POSIX_PTHREAD_SEMANTICS
#endif
/* Enable extensions on HP NonStop.  */
#ifndef _TANDEM_SOURCE
# undef _TANDEM_SOURCE
#endif
/* Enable general extensions on Solaris.  */
#ifndef __EXTENSIONS__
# undef __EXTENSIONS__
#endif


/* _GL_INLINE is a portable alternative to ISO C99 plain 'inline'.
   _GL_EXTERN_INLINE is a portable alternative to 'extern inline'.
   _GL_INLINE_HEADER_BEGIN contains useful stuff to put
     in an include file, before uses of _GL_INLINE.
     It suppresses GCC's bogus "no previous prototype for 'FOO'" diagnostic,
     when FOO is an inline function in the header; see
     <http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54113>.
   _GL_INLINE_HEADER_END contains useful stuff to put
     in the same include file, after uses of _GL_INLINE.

   Suppress the use of extern inline on Apple's platforms,
   as Libc-825.25 (2012-09-19) is incompatible with it; see
   <http://lists.gnu.org/archive/html/bug-gnulib/2012-12/msg00023.html>.
   Perhaps Apple will fix this some day.  */
#if ((__GNUC__ \
      ? defined __GNUC_STDC_INLINE__ && __GNUC_STDC_INLINE__ \
      : 199901L <= __STDC_VERSION__) \
     && !defined __APPLE__)
# define _GL_INLINE inline
# define _GL_EXTERN_INLINE extern inline
#elif 2 < __GNUC__ + (7 <= __GNUC_MINOR__) && !defined __APPLE__
# if __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
#else
# define _GL_INLINE static _GL_UNUSED
# define _GL_EXTERN_INLINE static _GL_UNUSED
#endif

#if 4 < __GNUC__ + (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 a replacement function name for fnmatch(). */
#undef fnmatch

/* 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

/* Define to a type if <wchar.h> does not define. */
#undef mbstate_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 directly.  */
#undef restrict
/* Work around a bug in Sun C++: it does not support _Restrict or
   __restrict__, even though the corresponding Sun C compiler ends up with
   "#define restrict _Restrict" or "#define restrict __restrict__" in the
   previous line.  Perhaps some future version of Sun C++ will work with
   restrict; if so, hopefully it defines __RESTRICT like Sun C does.  */
#if defined __SUNPRO_CC && !defined __RESTRICT
# define _Restrict
# define __restrict__
#endif

/* Define as a marker that can be attached to declarations that might not
    be used.  This helps to reduce warnings, such as from
    GCC -Wunused-parameter.  */
#if __GNUC__ >= 3 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7)
# define _GL_UNUSED __attribute__ ((__unused__))
#else
# define _GL_UNUSED
#endif
/* The name _UNUSED_PARAMETER_ is an earlier spelling, although the name
   is a misnomer outside of parameter lists.  */
#define _UNUSED_PARAMETER_ _GL_UNUSED

/* The __pure__ attribute was added in gcc 2.96.  */
#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 96)
# define _GL_ATTRIBUTE_PURE __attribute__ ((__pure__))
#else
# define _GL_ATTRIBUTE_PURE /* empty */
#endif

/* The __const__ attribute was added in gcc 2.95.  */
#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95)
# define _GL_ATTRIBUTE_CONST __attribute__ ((__const__))
#else
# define _GL_ATTRIBUTE_CONST /* empty */
#endif

