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FINAL/OVERRIDE: Define to empty on g++ < 4.7

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final/override were only implemented in g++ 4.7.

include/ChangeLog
2016-10-14  Pedro Alves  <palves@redhat.com>

	* ansidecl.h [__cplusplus >= 201103 && GCC_VERSION < 4007] (FINAL,
	OVERRIDE): Define as empty.
	[__cplusplus < 201103 && GCC_VERSION < 4007] (FINAL): Define as
	__final.
	[__cplusplus < 201103 && GCC_VERSION >= 4007] (OVERRIDE): Define as
	empty.
This commit is contained in:
Pedro Alves
2016-10-14 17:03:16 +01:00
parent d118ee3761
commit b4f6af8ee2
2 changed files with 24 additions and 5 deletions
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9
include/ChangeLog
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@@ -1,3 +1,12 @@
2016-10-14 Pedro Alves <palves@redhat.com>
* ansidecl.h [__cplusplus >= 201103 && GCC_VERSION < 4007] (FINAL,
OVERRIDE): Define as empty.
[__cplusplus < 201103 && GCC_VERSION < 4007] (FINAL): Define as
__final.
[__cplusplus < 201103 && GCC_VERSION >= 4007] (OVERRIDE): Define as
empty.
2016-10-14 Pedro Alves <palves@redhat.com> 2016-10-14 Pedro Alves <palves@redhat.com>
* ansidecl.h (GCC_FINAL): Delete. * ansidecl.h (GCC_FINAL): Delete.

20
include/ansidecl.h
View File

@@ -329,13 +329,23 @@ So instead we use the macro below and test it against specific values. */
this by default (actually GNU++14). */ this by default (actually GNU++14). */
#if __cplusplus >= 201103 #if __cplusplus >= 201103
/* C++11 claims to be available: use it: */ /* C++11 claims to be available: use it. final/override were only
#define OVERRIDE override implemented in 4.7, though. */
#define FINAL final # if GCC_VERSION < 4007
# define OVERRIDE
# define FINAL
# else
# define OVERRIDE override
# define FINAL final
# endif
#elif GCC_VERSION >= 4007
/* G++ 4.7 supports __final in C++98. */
# define OVERRIDE
# define FINAL __final
#else #else
/* No C++11 support; leave the macros empty: */ /* No C++11 support; leave the macros empty: */
#define OVERRIDE # define OVERRIDE
#define FINAL # define FINAL
#endif #endif
#ifdef __cplusplus #ifdef __cplusplus