features.h File Reference

Some additional feature test macros. More...

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Macros
#define	__GLIBC_PREREQ(MAJOR, MINOR)   0
#define	HAVE_GCC_CLANG_EXTENSIONS   0
	Do we support the compatible set of GCC and clang extensions These are our main compilers. More...
#define	HAVE_FUNCTION_MULTIVERSIONING   0
	Do we have function multiversioning? GCC and clang support the target attribute. More...
#define	HAVE_TARGET_CLONES   0
	Do we additionally have the target_clones attribute? GCC and clang >=14 support it. More...
#define	HAVE_GCC_INTRINSICS   0
	Do we have support for all GCC intrinsics? More...
#define	HAVE_BITCOUNT_INTRINSICS   0
	Do we have the bit-counting intrinsics? More...
#define	HAVE_VECTOR_SIZE_ATTRIBUTE   0
#define	HAVE_CONVERT_VECTOR   0
#define	HAVE_MALLINFO2   0
#define	HAVE_MALLOC_HOOKS   1
#define	HAVE_FEENABLEEXCEPT   0
#define	HAVE_STD_RANGES   0

Detailed Description

Some additional feature test macros.

Author

scott snyder snyde.nosp@m.r@bn.nosp@m.l.gov

Date

May, 2018

Definition in file features.h.

Macro Definition Documentation

__GLIBC_PREREQ

#define __GLIBC_PREREQ	(		MAJOR,
			MINOR
	)		0

Definition at line 26 of file features.h.

HAVE_BITCOUNT_INTRINSICS

#define HAVE_BITCOUNT_INTRINSICS   0

Do we have the bit-counting intrinsics?

Definition at line 81 of file features.h.

HAVE_CONVERT_VECTOR

#define HAVE_CONVERT_VECTOR   0

Definition at line 98 of file features.h.

HAVE_FEENABLEEXCEPT

#define HAVE_FEENABLEEXCEPT   0

Definition at line 121 of file features.h.

HAVE_FUNCTION_MULTIVERSIONING

#define HAVE_FUNCTION_MULTIVERSIONING   0

Do we have function multiversioning? GCC and clang support the target attribute.

Definition at line 47 of file features.h.

HAVE_GCC_CLANG_EXTENSIONS

#define HAVE_GCC_CLANG_EXTENSIONS   0

Do we support the compatible set of GCC and clang extensions These are our main compilers.

Definition at line 36 of file features.h.

HAVE_GCC_INTRINSICS

#define HAVE_GCC_INTRINSICS   0

Do we have support for all GCC intrinsics?

Definition at line 65 of file features.h.

HAVE_MALLINFO2

#define HAVE_MALLINFO2   0

Definition at line 106 of file features.h.

HAVE_MALLOC_HOOKS

#define HAVE_MALLOC_HOOKS   1

Definition at line 112 of file features.h.

HAVE_STD_RANGES

#define HAVE_STD_RANGES   0

Definition at line 128 of file features.h.

HAVE_TARGET_CLONES

#define HAVE_TARGET_CLONES   0

Do we additionally have the target_clones attribute? GCC and clang >=14 support it.

...But at least for GCC11 and clang 14 in order to work for both we have to apply it to a declaration (for clang) that is also definition (for GCC)

Definition at line 58 of file features.h.

HAVE_VECTOR_SIZE_ATTRIBUTE

#define HAVE_VECTOR_SIZE_ATTRIBUTE   0

Definition at line 89 of file features.h.