Building QEMU on CentOS 7 fails, because there SOL_ALG is not defined. There already exists #if defined(SOL_ALG) in do_setsockopt(); add it to target_to_host_cmsg() as well.
Fixes: 27404b6c15c1 ("linux-user: Implement SOL_ALG encryption support") Signed-off-by: Ilya Leoshkevich <i...@linux.ibm.com> --- linux-user/syscall.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/linux-user/syscall.c b/linux-user/syscall.c index 18d3107194b..42f4aed8e84 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -1806,6 +1806,7 @@ static inline abi_long target_to_host_cmsg(struct msghdr *msgh, __get_user(cred->pid, &target_cred->pid); __get_user(cred->uid, &target_cred->uid); __get_user(cred->gid, &target_cred->gid); +#ifdef SOL_ALG } else if (cmsg->cmsg_level == SOL_ALG) { uint32_t *dst = (uint32_t *)data; @@ -1814,6 +1815,7 @@ static inline abi_long target_to_host_cmsg(struct msghdr *msgh, if (len >= sizeof(uint32_t)) { *dst = tswap32(*dst); } +#endif } else { qemu_log_mask(LOG_UNIMP, "Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type); -- 2.41.0