From b1abf15db2b5fb5126ae1f9221e6e3de3b4e0768 Mon Sep 17 00:00:00 2001 From: Christian Brauner Date: Wed, 17 Mar 2021 19:28:26 +0100 Subject: [PATCH] macro: define __aligned_u64 to handle kernels without such support Signed-off-by: Christian Brauner --- configure.ac | 1 + src/lxc/macro.h | 4 ++++ 2 files changed, 5 insertions(+) diff --git a/configure.ac b/configure.ac index c79d4af0d..9bd625a71 100644 --- a/configure.ac +++ b/configure.ac @@ -641,6 +641,7 @@ AC_HEADER_MAJOR # Check for some syscalls functions AC_CHECK_FUNCS([setns pivot_root sethostname unshare rand_r confstr faccessat gettid memfd_create move_mount open_tree execveat clone3 fsopen fspick fsconfig fsmount, openat2, close_range, statvfs]) +AC_CHECK_TYPES([__aligned_u64], [], [], [[#include ]]) AC_CHECK_TYPES([struct open_how], [], [], [[#include ]]) AC_CHECK_TYPES([struct clone_args], [], [], [[#include ]]) AC_CHECK_MEMBERS([struct clone_args.set_tid],[],[],[[#include ]]) diff --git a/src/lxc/macro.h b/src/lxc/macro.h index a54fe72b3..2873deb17 100644 --- a/src/lxc/macro.h +++ b/src/lxc/macro.h @@ -733,4 +733,8 @@ enum { #define hweight32(w) __const_hweight32(w) #define hweight64(w) __const_hweight64(w) +#ifndef HAVE___ALIGNED_U64 +#define __aligned_u64 __u64 __attribute__((aligned(8))) +#endif + #endif /* __LXC_MACRO_H */ -- 2.47.2