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[Qemu-devel] [PATCH] usb: Fix compilation for Windows

From: Stefan Weil
Subject: [Qemu-devel] [PATCH] usb: Fix compilation for Windows
Date: Wed, 16 Mar 2016 21:17:19 +0100

Mingw-w64 does not provide sys/ioctl.h and Linux builds don't need it,
so remove that include statement.

ERROR is defined by wingdi.h (included via windows.h). Undefine it before
it is redefined to avoid a compiler warning / error.

Signed-off-by: Stefan Weil <address@hidden>

Cygwin now includes Mingw-w64 packages for cross compilation.

The packages mingw64-x86_64-libusb1.0 and mingw64-x86_64-usbredir
can be used for QEMU builds, but trigger new compiler errors.

This patch fixes them partially.


 hw/usb/redirect.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/hw/usb/redirect.c b/hw/usb/redirect.c
index 38a5393..cbcc218 100644
--- a/hw/usb/redirect.c
+++ b/hw/usb/redirect.c
@@ -34,12 +34,14 @@
 #include "qemu/iov.h"
 #include "sysemu/char.h"
-#include <sys/ioctl.h>
 #include <usbredirparser.h>
 #include <usbredirfilter.h>
 #include "hw/usb.h"
+/* ERROR is defined below. Remove any previous definition. */
+#undef ERROR
 #define MAX_ENDPOINTS 32
 #define NO_INTERFACE_INFO 255 /* Valid interface_count always <= 32 */
 #define EP2I(ep_address) (((ep_address & 0x80) >> 3) | (ep_address & 0x0f))

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