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Re: [glibc] <sys/stat.h>: Use Linux UAPI header for statx if available and useful
- From: Andreas Schwab <schwab at suse dot de>
- To: Florian Weimer <fweimer at redhat dot com>
- Cc: Szabolcs Nagy <Szabolcs dot Nagy at arm dot com>, nd <nd at arm dot com>, Zack Weinberg <zackw at panix dot com>, GNU C Library <libc-alpha at sourceware dot org>
- Date: Thu, 04 Jul 2019 12:09:50 +0200
- Subject: Re: [glibc] <sys/stat.h>: Use Linux UAPI header for statx if available and useful
- References: <20190612110504.66041.qmail@sourceware.org> <87ftoe7utd.fsf@oldenburg2.str.redhat.com> <CAKCAbMj2G7_1bAuE+5X0qvNGMTMN9QenzOpgJmkwC4LK_mrGzA@mail.gmail.com> <87y3266czw.fsf@oldenburg2.str.redhat.com> <c35c19da-b775-3435-d38e-702f30bc6ac3@arm.com> <87ef3y6bpv.fsf@oldenburg2.str.redhat.com> <17fed83c-e000-ccbf-9900-104fc20a6273@arm.com> <874l4u6bad.fsf@oldenburg2.str.redhat.com> <2df99c26-7a4c-02ba-a50e-7557c5581a9b@arm.com> <87muiks0ur.fsf@oldenburg2.str.redhat.com>
On Jun 14 2019, Florian Weimer <fweimer@redhat.com> wrote:
> diff --git a/sysdeps/unix/sysv/linux/bits/statx.h b/sysdeps/unix/sysv/linux/bits/statx.h
> index d36f44efc6..206878723f 100644
> --- a/sysdeps/unix/sysv/linux/bits/statx.h
> +++ b/sysdeps/unix/sysv/linux/bits/statx.h
> @@ -23,8 +23,11 @@
> #endif
>
> /* Use the Linux kernel header if available. */
> -#if __glibc_has_include (<linux/stat.h>)
> -# include <linux/stat.h>
> +
> +/* Use "" to work around incorrect macro expansion of the
> + __has_include argument (GCC PR 80005). */
> +#if __glibc_has_include ("linux/stat.h")
FWIW, this gets mangled by fixincludes:
@@ -26,7 +35,7 @@
/* Use "" to work around incorrect macro expansion of the
__has_include argument (GCC PR 80005). */
-#if __glibc_has_include ("linux/stat.h")
+#if __glibc_has_include ("__linux__/stat.h")
# include "linux/stat.h"
# ifdef STATX_TYPE
# define __statx_timestamp_defined 1
Andreas.
--
Andreas Schwab, SUSE Labs, schwab@suse.de
GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE 1748 E4D4 88E3 0EEA B9D7
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