From 10efb9ea92128c2461d00c67397a42d90abf8909 Mon Sep 17 00:00:00 2001
From: Karel Zak <kzak@redhat.com>
Date: Tue, 31 May 2022 17:27:04 +0200
Subject: [PATCH] build-sys: check for mount_attr in linux/mount.h

Signed-off-by: Karel Zak <kzak@redhat.com>
---
 configure.ac              | 2 +-
 include/mount-api-utils.h | 1 +
 meson.build               | 7 +++++++
 3 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index 432f7e7250..9f15648f12 100644
--- a/configure.ac
+++ b/configure.ac
@@ -498,7 +498,7 @@ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
 [AC_DEFINE([HAVE_TM_GMTOFF], [1], [Does struct tm have a field tm_gmtoff?])
 ])
 
-AC_CHECK_TYPES([struct mount_attr], [], [], [[#include <sys/mount.h>]])
+AC_CHECK_TYPES([struct mount_attr], [], [], [[#include <linux/mount.h>]])
 
 AC_CHECK_MEMBERS([struct termios.c_line],,,
     [[#include <termios.h>]])
diff --git a/include/mount-api-utils.h b/include/mount-api-utils.h
index 4d3396ec41..b461104768 100644
--- a/include/mount-api-utils.h
+++ b/include/mount-api-utils.h
@@ -3,6 +3,7 @@
 
 #if defined(__linux__)
 #include <sys/syscall.h>
+#include <linux/mount.h>
 
 /*
  * Scope all of this beneath mount_setattr(). If this syscall is available all
diff --git a/meson.build b/meson.build
index 24e75839f2..a145dbeb27 100644
--- a/meson.build
+++ b/meson.build
@@ -499,8 +499,11 @@ funcs = '''
         newlocale
         mempcpy
         mkostemp
+        move_mount
+        mount_setattr
         nanosleep
         ntp_gettime
+        open_tree
         personality
         pidfd_open
         pidfd_send_signal
@@ -581,6 +584,10 @@ have = cc.has_member('struct tm', 'tm_gmtoff',
                      ''')
 conf.set('HAVE_TM_GMTOFF', have ? 1 : false)
 
+
+have = cc.sizeof('struct mount_attr', prefix : '#include <linux/mount.h>') > 0
+conf.set('HAVE_STRUCT_MOUNT_ATTR', have ? 1 : false)
+
 have = cc.has_member('struct termios', 'c_line',
                      prefix : '#include <termios.h>')
 conf.set('HAVE_STRUCT_TERMIOS_C_LINE', have ? 1 : false)
-- 
2.47.2