This is the mail archive of the
libc-alpha@sourceware.org
mailing list for the glibc project.
Re: [RFC PATCH] Deprecate _REENTRANT and _THREAD_SAFE.
On 12/06/2016 11:46 AM, Joseph Myers wrote:
> On Tue, 6 Dec 2016, Zack Weinberg wrote:
>
>> -D_REENTRANT all by itself also won't, because _DEFAULT_SOURCE implies
>> _POSIX_C_SOURCE > 199506. I could be persuaded to make that final
>> case also warn.
>
> Given that GCC specs include %{pthread:-D_REENTRANT} (in many
> architecture-specific specs), and that -pthread is (approximately) an
> OS-independent way of saying to add whatever compiler and linker options
> are needed for threads, I'd discourage warning in that case.
Yeah, that's plenty good enough reason not to warn.
zw