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 */
#$d_asinh HAS_ASINH		/**/

/* HAS_ATANH:
 *	This symbol, if defined, indicates that the atanh routine is
 *	available to do the inverse hyperbolic tangent function.
 */
#$d_atanh HAS_ATANH		/**/

/* HAS_NON_INT_BITFIELDS:
 *	This symbol, if defined, indicates that the C compiler accepts, without
 *	error or warning, struct bitfields that are declared with sizes other
 *	than plain 'int'; for example 'unsigned char' is accepted.
 */
#$d_non_int_bitfields HAS_NON_INT_BITFIELDS	/**/

/* HAS_BUILTIN_CHOOSE_EXPR:
 *	Can we handle GCC builtin for compile-time ternary-like expressions
 */
/* HAS_BUILTIN_EXPECT:
 *	Can we handle GCC builtin for telling that certain values are more
 *	likely
 */
#$d_builtin_expect HAS_BUILTIN_EXPECT	/**/
#$d_builtin_choose_expr HAS_BUILTIN_CHOOSE_EXPR	/**/

/* HAS_BUILTIN_ADD_OVERFLOW:
 *	This symbol, if defined, indicates that the compiler supports
 *	__builtin_add_overflow for adding integers with overflow checks.
 */
/* HAS_BUILTIN_SUB_OVERFLOW:
 *	This symbol, if defined, indicates that the compiler supports
 *	__builtin_sub_overflow for subtracting integers with overflow checks.
 */
/* HAS_BUILTIN_MUL_OVERFLOW:
 *	This symbol, if defined, indicates that the compiler supports
 *	__builtin_mul_overflow for multiplying integers with overflow checks.
 */
#$d_builtin_add_overflow HAS_BUILTIN_ADD_OVERFLOW	/**/
#$d_builtin_sub_overflow HAS_BUILTIN_SUB_OVERFLOW	/**/
#$d_builtin_mul_overflow HAS_BUILTIN_MUL_OVERFLOW	/**/

/* HAS_C99_VARIADIC_MACROS:
 *	If defined, the compiler supports C99 variadic macros.
 */
#$d_c99_variadic_macros	HAS_C99_VARIADIC_MACROS	/**/

/* HAS_CLASS:
 *	This symbol, if defined, indicates that the class routine is
 *	available to classify doubles.  Available for example in AIX.
 *	The returned values are defined in <float.h> and are:
 *
 *	FP_PLUS_NORM	Positive normalized, nonzero
 *	FP_MINUS_NORM	Negative normalized, nonzero
 *	FP_PLUS_DENORM	Positive denormalized, nonzero
 *	FP_MINUS_DENORM	Negative denormalized, nonzero
 *	FP_PLUS_ZERO	+0.0
 *	FP_MINUS_ZERO	-0.0
 *	FP_PLUS_INF	+INF
 *	FP_MINUS_INF	-INF
 *	FP_NANS		Signaling Not a Number (NaNS)
 *	FP_NANQ		Quiet Not a Number (NaNQ)
 */
#$d_class HAS_CLASS		/**/

/* HAS_CLEARENV:
 *	This symbol, if defined, indicates that the clearenv () routine is
 *	available for use.
 */
#$d_clearenv HAS_CLEARENV		/**/

/* HAS_STRUCT_CMSGHDR:
 *	This symbol, if defined, indicates that the struct cmsghdr
 *	is supported.
 */
#$d_cmsghdr_s HAS_STRUCT_CMSGHDR	/**/

/* HAS_COPYSIGN:
 *	This symbol, if defined, indicates that the copysign routine is
 *	available to do the copysign function.
 */
#$d_copysign HAS_COPYSIGN		/**/

/* HAS_COPYSIGNL:
 *	This symbol, if defined, indicates that the copysignl routine is
 *	available.  If aintl is also present we can emulate modfl.
 */
#$d_copysignl HAS_COPYSIGNL		/**/

/* USE_CPLUSPLUS:
 *	This symbol, if defined, indicates that a C++ compiler was
 *	used to compiled Perl and will be used to compile extensions.
 */
#$d_cplusplus USE_CPLUSPLUS		/**/

/* HAS_DBMINIT_PROTO:
 *	This symbol, if defined, indicates that the system provides
 *	a prototype for the dbminit() function.  Otherwise, it is up
 *	to the program to supply one.  A good guess is
 *		extern int dbminit(char *);
 */
#$d_dbminitproto	HAS_DBMINIT_PROTO	/**/

/* HAS_DIR_DD_FD:
 *	This symbol, if defined, indicates that the DIR* dirstream
 *	structure contains a member variable named dd_fd.
 */
#$d_dir_dd_fd HAS_DIR_DD_FD		/**/

/* HAS_DIRFD:
 *	This manifest constant lets the C program know that dirfd
 *	is available.
 */
#$d_dirfd HAS_DIRFD		/**/

/* DLSYM_NEEDS_UNDERSCORE:
 *	This symbol, if defined, indicates that we need to prepend an
 *	underscore to the symbol name before calling dlsym().  This only
 *	makes sense if you *have* dlsym, which we will presume is the
 *	case if you're using dl_dlopen.xs.
 */
#$d_dlsymun	DLSYM_NEEDS_UNDERSCORE	/**/