virtiofsd: Fix common header and define for QEMU builds

All of the fuse files include config.h and define GNU_SOURCE
where we don't have either under our build - remove them.
Fixup path to the kernel's fuse.h in the QEMUs world.

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>

tools/virtiofsd/buffer.c

@@ -9,9 +9,7 @@
  * See the file COPYING.LIB
  */
 
-#define _GNU_SOURCE
-
-#include "config.h"
+#include "qemu/osdep.h"
 #include "fuse_i.h"
 #include "fuse_lowlevel.h"
 #include <assert.h>

tools/virtiofsd/fuse_i.h

@@ -6,6 +6,9 @@
  * See the file COPYING.LIB
  */
 
+#define FUSE_USE_VERSION 31
+
+
 #include "fuse.h"
 #include "fuse_lowlevel.h"
 

tools/virtiofsd/fuse_log.c

@@ -8,6 +8,7 @@
  * See the file COPYING.LIB
  */
 
+#include "qemu/osdep.h"
 #include "fuse_log.h"
 
 #include <stdarg.h>

tools/virtiofsd/fuse_lowlevel.c

@@ -9,11 +9,9 @@
  * See the file COPYING.LIB
  */
 
-#define _GNU_SOURCE
-
-#include "config.h"
+#include "qemu/osdep.h"
 #include "fuse_i.h"
-#include "fuse_kernel.h"
+#include "standard-headers/linux/fuse.h"
 #include "fuse_misc.h"
 #include "fuse_opt.h"
 

tools/virtiofsd/fuse_opt.c

@@ -9,8 +9,8 @@
  * See the file COPYING.LIB
  */
 
+#include "qemu/osdep.h"
 #include "fuse_opt.h"
-#include "config.h"
 #include "fuse_i.h"
 #include "fuse_misc.h"
 

tools/virtiofsd/fuse_signals.c

@@ -8,7 +8,7 @@
  * See the file COPYING.LIB
  */
 
-#include "config.h"
+#include "qemu/osdep.h"
 #include "fuse_i.h"
 #include "fuse_lowlevel.h"
 

tools/virtiofsd/helper.c

@@ -10,6 +10,7 @@
  * See the file COPYING.LIB.
  */
 
+#include "qemu/osdep.h"
 #include "fuse_i.h"
 #include "fuse_lowlevel.h"
 #include "fuse_misc.h"

tools/virtiofsd/passthrough_ll.c

@@ -35,15 +35,11 @@
  * \include passthrough_ll.c
  */
 
-#define _GNU_SOURCE
-#define FUSE_USE_VERSION 31
-
-#include "config.h"
-
+#include "qemu/osdep.h"
+#include "fuse_lowlevel.h"
 #include <assert.h>
 #include <dirent.h>
 #include <errno.h>
-#include <fuse_lowlevel.h>
 #include <inttypes.h>
 #include <limits.h>
 #include <pthread.h>