https://sourceware.org/bugzilla/show_bug.cgi?id=21850
Bug ID: 21850
Summary: ifdef __cplusplus needed
Product: binutils
Version: 2.29
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: binutils
Assignee: unassigned at sourceware dot org
Reporter: barry_davis at stormagic dot com
Target Milestone: ---
This needs an ifdef around it as it causes build failures when __cplusplus is
not defined and -Wundef -Werror are used.
I'm using gcc 4.8.4
/usr/include/ansidecl.h:
331#if __cplusplus >= 201103
332/* C++11 claims to be available: use it. final/override were only
333 implemented in 4.7, though. */
334# if GCC_VERSION < 4007
335# define OVERRIDE
336# define FINAL
337# else
338# define OVERRIDE override
339# define FINAL final
340# endif
341#elif GCC_VERSION >= 4007
342/* G++ 4.7 supports __final in C++98. */
343# define OVERRIDE
344# define FINAL __final
345#else
346/* No C++11 support; leave the macros empty: */
347# define OVERRIDE
348# define FINAL
349#endif
350
351#ifdef __cplusplus
352}
353#endif
354
355#endif /* ansidecl.h */
My build failure:
CC /opensource/.smx_x86_64/linux-4.9/_x86_64/tools/perf/util/srcline.o
In file included from
/opensource/.smx_x86_64/binutils-2.29/_install/usr/include/bfd.h:42:0,
from util/srcline.c:21:
/opensource/.smx_x86_64/binutils-2.29/_install/usr/include/ansidecl.h:331:5:
error: "__cplusplus" is not defined [-Werror=undef]
#if __cplusplus >= 201103
^
cc1: all warnings being treated as errors
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