[COMMITTED 2.36 3/5] linux: Use compile_c_snippet to check linux/mount.h availability

[Adhemerval Zanella]

Checked on x86_64-linux-gnu.

Reviewed-by: Florian Weimer <fweimer@redhat.com>
(cherry picked from commit e1226cdc6b209539a92d32d5b620ba53fd35abf3)
---
 sysdeps/unix/sysv/linux/tst-mount-consts.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/sysdeps/unix/sysv/linux/tst-mount-consts.py b/sysdeps/unix/sysv/linux/tst-mount-consts.py
index a62f803123..be2ef2daf1 100755
--- a/sysdeps/unix/sysv/linux/tst-mount-consts.py
+++ b/sysdeps/unix/sysv/linux/tst-mount-consts.py
@@ -33,6 +33,11 @@ def main():
                         help='C compiler (including options) to use')
     args = parser.parse_args()
 
+    if glibcextract.compile_c_snippet(
+            '#include <linux/mount.h>',
+            args.cc).returncode != 0:
+        sys.exit (77)
+
     linux_version_headers = glibcsyscalls.linux_kernel_version(args.cc)
     # Constants in glibc were updated to match Linux v5.16.  When glibc
     # constants are updated this value should be updated to match the
-- 
2.34.1