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Fix compile time error when using ansidecl.h with an old version of GCC.

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include/
2017-07-31  Nick Clifton  <nickc@redhat.com>

	Binutils PR 21850
	* ansidecl.h (OVERRIDE): Protect check of __cplusplus value with
	#idef __cplusplus.

From-SVN: r252822
This commit is contained in:
Nick Clifton 2017-09-15 14:53:48 +00:00 • committed by Pedro Alves
parent 870118b7f1
commit efae2b2f9b
2 changed files with 24 additions and 12 deletions
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6
include/ChangeLog
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@ -8,6 +8,12 @@
* simple-object.h (simple_object_copy_lto_debug_sections): New
function.
2017-07-31 Nick Clifton <nickc@redhat.com>
Binutils PR 21850
* ansidecl.h (OVERRIDE): Protect check of __cplusplus value with
#idef __cplusplus.
2017-07-02 Jan Kratochvil <jan.kratochvil@redhat.com>
* dwarf2.def (DW_IDX_compile_unit, DW_IDX_type_unit, DW_IDX_die_offset)

30
include/ansidecl.h
View file

@ -334,22 +334,28 @@ So instead we use the macro below and test it against specific values. */
For gcc, use "-std=c++11" to enable C++11 support; gcc 6 onwards enables
this by default (actually GNU++14). */
#if __cplusplus >= 201103
/* C++11 claims to be available: use it. final/override were only
implemented in 4.7, though. */
# if GCC_VERSION < 4007
#if defined __cplusplus
# if __cplusplus >= 201103
/* C++11 claims to be available: use it. Final/override were only
implemented in 4.7, though. */
# 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
/* No C++11 support; leave the macros empty. */
# 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
/* No C++11 support; leave the macros empty: */
/* No C++11 support; leave the macros empty. */
# define OVERRIDE
# define FINAL
#endif