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From: "H.J. Lu" <hjl.tools@gmail.com>
Date: Thu, 5 Aug 2021 12:33:49 -0700
Message-ID: <CAMe9rOoXKE1Hgax45hv-zZYcNiMMVLW1hh5UB7TyqKymetkvKg@mail.gmail.com>
Subject: Re: [PATCH v5 1/1] <sys/tagged-address.h>: An API for tagged address
To: Joseph Myers <joseph@codesourcery.com>
Cc: Florian Weimer <fweimer@redhat.com>, Szabolcs Nagy <szabolcs.nagy@arm.com>,
 GNU C Library <libc-alpha@sourceware.org>, 
 "Kirill A . Shutemov" <kirill.shutemov@linux.intel.com>
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On Thu, Aug 5, 2021 at 10:54 AM Joseph Myers <joseph@codesourcery.com> wrote:
>
> On Thu, 5 Aug 2021, H.J. Lu via Libc-alpha wrote:
>
> > I can use _Static_assert directly for C.  How should I use static_assert
> > for C++?
>
> Probably based on a test of the value of __cplusplus.
>

Like

#ifdef __cplusplus
# if __cplusplus >= 201103L
#  define TAGGED_ADDRESS_ASSERT static_assert
# else
#  define TAGGED_ADDRESS_ASSERT(expr, msg)
# endif
#else
#  define TAGGED_ADDRESS_ASSERT _Static_assert
#endif

Thanks.

-- 
H.J.