From e6547d635b991651600fab31f788ed5facd77610 Mon Sep 17 00:00:00 2001
From: WANG Xuerui <git@xen0n.name>
Date: Wed, 1 Jun 2022 10:12:28 +0800
Subject: [PATCH] linux: use statx for fstat if neither newfstatat nor
 fstatat64 is present

LoongArch is going to be the first architecture supported by Linux that
has neither fstat* nor newfstatat [1], instead exclusively relying on
statx. So in fstatat64's implementation, we need to also enable statx
usage if neither fstatat64 nor newfstatat is present, to prepare for
this new case of kernel ABI.

[1]: https://lore.kernel.org/all/20220518092619.1269111-1-chenhuacai@loongson.cn/

Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
---
 sysdeps/unix/sysv/linux/fstatat64.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/sysdeps/unix/sysv/linux/fstatat64.c b/sysdeps/unix/sysv/linux/fstatat64.c
index 2ab914380d..8b1a1a290d 100644
--- a/sysdeps/unix/sysv/linux/fstatat64.c
+++ b/sysdeps/unix/sysv/linux/fstatat64.c
@@ -42,7 +42,8 @@ _Static_assert (sizeof (__blkcnt_t) == sizeof (__blkcnt64_t),
 
 #if (__WORDSIZE == 32 \
      && (!defined __SYSCALL_WORDSIZE || __SYSCALL_WORDSIZE == 32)) \
-     || defined STAT_HAS_TIME32
+     || defined STAT_HAS_TIME32 \
+     || (!defined __NR_newfstatat && !defined __NR_fstatat64)
 # define FSTATAT_USE_STATX 1
 
 static inline int
-- 
2.33.0

