On Solaris, HAVE_STRUCT_MSGHDR_MSG_CONTROL is not defined, so source3/lib/unix_msg/unix_msg.c and source3/modules/vfs_aio_fork.c cannot be compiled.

Here are possible fixes, I am sure if they are correct or not:

diff --git a/source3/lib/unix_msg/unix_msg.c b/source3/lib/unix_msg/unix_msg.c
index 4870068..dafc799 100644
--- a/source3/lib/unix_msg/unix_msg.c
+++ b/source3/lib/unix_msg/unix_msg.c
@@ -505,7 +505,9 @@ static int queue_msg(struct unix_dgram_send_queue *q,
 	 * Note: No need to check for overflow here,
 	 * since cmsg will store <= INT8_MAX fds.
 	 */
+#ifdef HAVE_STRUCT_MSGHDR_MSG_CONTROL
 	msglen += cmsg_space;
+#endif
 
 	data_len = iov_buflen(iov, iovlen);
 	if (data_len == -1) {
@@ -593,7 +595,9 @@ static int queue_msg(struct unix_dgram_send_queue *q,
 	return 0;
 
 fail:
+#ifdef HAVE_STRUCT_MSGHDR_MSG_CONTROL
 	close_fd_array(fds_copy, num_fds);
+#endif
 	return ret;
 }
 
diff --git a/source3/modules/vfs_aio_fork.c b/source3/modules/vfs_aio_fork.c
index c1bded9..652a1e3 100644
--- a/source3/modules/vfs_aio_fork.c
+++ b/source3/modules/vfs_aio_fork.c
@@ -173,7 +173,9 @@ static ssize_t read_fd(int fd, void *ptr, size_t nbytes, int *recvfd)
 
 	msg.msg_name = NULL;
 	msg.msg_namelen = 0;
+#ifdef HAVE_STRUCT_MSGHDR_MSG_CONTROL
 	msg.msg_flags = 0;
+#endif
 
 	iov[0].iov_base = (void *)ptr;
 	iov[0].iov_len = nbytes;