144 lines
4.8 KiB
Diff
144 lines
4.8 KiB
Diff
From cbabe8abf11e7e7fb49c123bae31efdd9bc8f1e8 Mon Sep 17 00:00:00 2001
|
|
From: Christian Brauner <brauner@kernel.org>
|
|
Date: Tue, 9 Aug 2022 17:19:40 +0200
|
|
Subject: build: check for FS_CONFIG_* header symbol in sys/mount.h
|
|
|
|
Fixes: #4176
|
|
Signed-off-by: Christian Brauner (Microsoft) <christian.brauner@ubuntu.com>
|
|
---
|
|
meson.build | 59 +++++++++++++++++++++++++++++++++++++++++--
|
|
src/lxc/mount_utils.h | 16 ++++++++++++
|
|
2 files changed, 73 insertions(+), 2 deletions(-)
|
|
|
|
--- a/meson.build
|
|
+++ b/meson.build
|
|
@@ -638,8 +638,7 @@ if cc.sizeof('struct mount_attr', prefix
|
|
found_types += 'struct mount_attr (sys/mount.h)'
|
|
else
|
|
srcconf.set10('HAVE_' + 'struct mount_attr'.underscorify().to_upper(), false)
|
|
- missing_types += 'struct mount_attr (sys/mount.h)'
|
|
-endif
|
|
+ missing_types += 'struct mount_attr (sys/mount.h)' endif
|
|
|
|
## Types.
|
|
decl_headers = '''
|
|
@@ -655,6 +654,62 @@ else
|
|
missing_types += 'struct mount_attr (linux/mount.h)'
|
|
endif
|
|
|
|
+if cc.has_header_symbol('sys/mount.h', 'FSCONFIG_SET_FLAG')
|
|
+ srcconf.set10('HAVE_' + 'FSCONFIG_SET_FLAG'.underscorify().to_upper(), true)
|
|
+ found_types += 'FSCONFIG_SET_FLAG'
|
|
+else
|
|
+ srcconf.set10('HAVE_' + 'FSCONFIG_SET_FLAG'.underscorify().to_upper(), false)
|
|
+ missing_types += 'FSCONFIG_SET_FLAG'
|
|
+endif
|
|
+
|
|
+if cc.has_header_symbol('sys/mount.h', 'FS_CONFIG_SET_STRING')
|
|
+ srcconf.set10('HAVE_' + 'FS_CONFIG_SET_STRING'.underscorify().to_upper(), true)
|
|
+ found_types += 'FS_CONFIG_SET_STRING'
|
|
+else
|
|
+ srcconf.set10('HAVE_' + 'FS_CONFIG_SET_STRING'.underscorify().to_upper(), false)
|
|
+ missing_types += 'FS_CONFIG_SET_STRING'
|
|
+endif
|
|
+
|
|
+if cc.has_header_symbol('sys/mount.h', 'FS_CONFIG_SET_BINARY')
|
|
+ srcconf.set10('HAVE_' + 'FS_CONFIG_SET_BINARY'.underscorify().to_upper(), true)
|
|
+ found_types += 'FS_CONFIG_SET_BINARY'
|
|
+else
|
|
+ srcconf.set10('HAVE_' + 'FS_CONFIG_SET_BINARY'.underscorify().to_upper(), false)
|
|
+ missing_types += 'FS_CONFIG_SET_BINARY'
|
|
+endif
|
|
+
|
|
+if cc.has_header_symbol('sys/mount.h', 'FS_CONFIG_SET_PATH_EMPTY')
|
|
+ srcconf.set10('HAVE_' + 'FS_CONFIG_SET_PATH_EMPTY'.underscorify().to_upper(), true)
|
|
+ found_types += 'FS_CONFIG_SET_PATH_EMPTY'
|
|
+else
|
|
+ srcconf.set10('HAVE_' + 'FS_CONFIG_SET_PATH_EMPTY'.underscorify().to_upper(), false)
|
|
+ missing_types += 'FS_CONFIG_SET_PATH_EMPTY'
|
|
+endif
|
|
+
|
|
+if cc.has_header_symbol('sys/mount.h', 'FS_CONFIG_SET_PATH_FD')
|
|
+ srcconf.set10('HAVE_' + 'FS_CONFIG_SET_PATH_FD'.underscorify().to_upper(), true)
|
|
+ found_types += 'FS_CONFIG_SET_PATH_FD'
|
|
+else
|
|
+ srcconf.set10('HAVE_' + 'FS_CONFIG_SET_PATH_FD'.underscorify().to_upper(), false)
|
|
+ missing_types += 'FS_CONFIG_SET_PATH_FD'
|
|
+endif
|
|
+
|
|
+if cc.has_header_symbol('sys/mount.h', 'FS_CONFIG_SET_CMD_CREATE')
|
|
+ srcconf.set10('HAVE_' + 'FS_CONFIG_SET_CMD_CREATE'.underscorify().to_upper(), true)
|
|
+ found_types += 'FS_CONFIG_SET_CMD_CREATE'
|
|
+else
|
|
+ srcconf.set10('HAVE_' + 'FS_CONFIG_SET_CMD_CREATE'.underscorify().to_upper(), false)
|
|
+ missing_types += 'FS_CONFIG_SET_CMD_CREATE'
|
|
+endif
|
|
+
|
|
+if cc.has_header_symbol('sys/mount.h', 'FS_CONFIG_SET_CMD_RECONFIGURE')
|
|
+ srcconf.set10('HAVE_' + 'FS_CONFIG_SET_CMD_RECONFIGURE'.underscorify().to_upper(), true)
|
|
+ found_types += 'FS_CONFIG_SET_CMD_RECONFIGURE'
|
|
+else
|
|
+ srcconf.set10('HAVE_' + 'FS_CONFIG_SET_CMD_RECONFIGURE'.underscorify().to_upper(), false)
|
|
+ missing_types += 'FS_CONFIG_SET_CMD_RECONFIGURE'
|
|
+endif
|
|
+
|
|
## Headers.
|
|
foreach ident: [
|
|
['bpf', '''#include <sys/syscall.h>
|
|
--- a/src/lxc/mount_utils.h
|
|
+++ b/src/lxc/mount_utils.h
|
|
@@ -82,37 +82,53 @@ struct lxc_rootfs;
|
|
#endif
|
|
|
|
/* fsconfig() commands */
|
|
+#if !HAVE_FSCONFIG_SET_FLAG
|
|
#ifndef FSCONFIG_SET_FLAG
|
|
#define FSCONFIG_SET_FLAG 0 /* Set parameter, supplying no value */
|
|
#endif
|
|
+#endif
|
|
|
|
+#if !HAVE_FSCONFIG_SET_STRING
|
|
#ifndef FSCONFIG_SET_STRING
|
|
#define FSCONFIG_SET_STRING 1 /* Set parameter, supplying a string value */
|
|
#endif
|
|
+#endif
|
|
|
|
+#if !HAVE_FSCONFIG_SET_BINARY
|
|
#ifndef FSCONFIG_SET_BINARY
|
|
#define FSCONFIG_SET_BINARY 2 /* Set parameter, supplying a binary blob value */
|
|
#endif
|
|
+#endif
|
|
|
|
+#if !HAVE_FSCONFIG_SET_PATH
|
|
#ifndef FSCONFIG_SET_PATH
|
|
#define FSCONFIG_SET_PATH 3 /* Set parameter, supplying an object by path */
|
|
#endif
|
|
+#endif
|
|
|
|
+#if !HAVE_FSCONFIG_SET_PATH_EMPTY
|
|
#ifndef FSCONFIG_SET_PATH_EMPTY
|
|
#define FSCONFIG_SET_PATH_EMPTY 4 /* Set parameter, supplying an object by (empty) path */
|
|
#endif
|
|
+#endif
|
|
|
|
+#if !HAVE_FSCONFIG_SET_FD
|
|
#ifndef FSCONFIG_SET_FD
|
|
#define FSCONFIG_SET_FD 5 /* Set parameter, supplying an object by fd */
|
|
#endif
|
|
+#endif
|
|
|
|
+#if !HAVE_FSCONFIG_CMD_CREATE
|
|
#ifndef FSCONFIG_CMD_CREATE
|
|
#define FSCONFIG_CMD_CREATE 6 /* Invoke superblock creation */
|
|
#endif
|
|
+#endif
|
|
|
|
+#if !FSCONFIG_CMD_RECONFIGURE
|
|
#ifndef FSCONFIG_CMD_RECONFIGURE
|
|
#define FSCONFIG_CMD_RECONFIGURE 7 /* Invoke superblock reconfiguration */
|
|
#endif
|
|
+#endif
|
|
|
|
/* fsmount() flags */
|
|
#ifndef FSMOUNT_CLOEXEC
|