On Sun, Jan 17, 2016 at 05:23:44PM -0500, Programmingkid wrote:
> I was wondering if you had problems compiling QEMU on Mac OS X recently. On
> my system, the channel-socket.c file causes this error:
>
> io/channel-socket.c: In function 'qio_channel_socket_writev':
> io/channel-socket.c:497:18: error: variable-sized object may not be
> initialized
> char control[CMSG_SPACE(sizeof(int) * SOCKET_MAX_FDS)] = { 0 };
Can you try applying this patch:
diff --git a/io/channel-socket.c b/io/channel-socket.c
index eaa411f..bc117b1 100644
--- a/io/channel-socket.c
+++ b/io/channel-socket.c
@@ -493,10 +495,12 @@ static ssize_t qio_channel_socket_writev(QIOChannel *ioc,
QIOChannelSocket *sioc = QIO_CHANNEL_SOCKET(ioc);
ssize_t ret;
struct msghdr msg = { NULL, };
- char control[CMSG_SPACE(sizeof(int) * SOCKET_MAX_FDS)] = { 0 };
+ char control[CMSG_SPACE(sizeof(int) * SOCKET_MAX_FDS)];
size_t fdsize = sizeof(int) * nfds;
struct cmsghdr *cmsg;
+ memset(control, 0, CMSG_SPACE(sizeof(int) * SOCKET_MAX_FDS));
+
msg.msg_iov = (struct iovec *)iov;
msg.msg_iovlen = niov;
Regards,
Daniel
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