Convert the compile time check on the CONFIG_IOMMUFD definition
by a runtime one by calling iommufd_builtin().

Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 hw/vfio/ap.c | 25 ++++++++++++-------------
 1 file changed, 12 insertions(+), 13 deletions(-)

diff --git a/hw/vfio/ap.c b/hw/vfio/ap.c
index c7ab4ff57ad..a4ec2b5f9ac 100644
--- a/hw/vfio/ap.c
+++ b/hw/vfio/ap.c
@@ -11,7 +11,6 @@
  */
 
 #include "qemu/osdep.h"
-#include CONFIG_DEVICES /* CONFIG_IOMMUFD */
 #include <linux/vfio.h>
 #include <sys/ioctl.h>
 #include "qapi/error.h"
@@ -193,10 +192,11 @@ static void vfio_ap_unrealize(DeviceState *dev)
 
 static const Property vfio_ap_properties[] = {
     DEFINE_PROP_STRING("sysfsdev", VFIOAPDevice, vdev.sysfsdev),
-#ifdef CONFIG_IOMMUFD
+};
+
+static const Property vfio_ap_iommufd_properties[] = {
     DEFINE_PROP_LINK("iommufd", VFIOAPDevice, vdev.iommufd,
                      TYPE_IOMMUFD_BACKEND, IOMMUFDBackend *),
-#endif
 };
 
 static void vfio_ap_reset(DeviceState *dev)
@@ -234,21 +234,20 @@ static void vfio_ap_instance_init(Object *obj)
     vbasedev->mdev = true;
 }
 
-#ifdef CONFIG_IOMMUFD
 static void vfio_ap_set_fd(Object *obj, const char *str, Error **errp)
 {
     vfio_device_set_fd(&VFIO_AP_DEVICE(obj)->vdev, str, errp);
 }
-#endif
 
 static void vfio_ap_class_init(ObjectClass *klass, void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
 
     device_class_set_props(dc, vfio_ap_properties);
-#ifdef CONFIG_IOMMUFD
-    object_class_property_add_str(klass, "fd", NULL, vfio_ap_set_fd);
-#endif
+    if (iommufd_builtin()) {
+        device_class_set_props(dc, vfio_ap_iommufd_properties);
+        object_class_property_add_str(klass, "fd", NULL, vfio_ap_set_fd);
+    }
     dc->vmsd = &vfio_ap_vmstate;
     dc->desc = "VFIO-based AP device assignment";
     set_bit(DEVICE_CATEGORY_MISC, dc->categories);
@@ -261,11 +260,11 @@ static void vfio_ap_class_init(ObjectClass *klass, void *data)
     object_class_property_set_description(klass, /* 3.1 */
                                           "sysfsdev",
                                           "Host sysfs path of assigned device");
-#ifdef CONFIG_IOMMUFD
-    object_class_property_set_description(klass, /* 9.0 */
-                                          "iommufd",
-                                          "Set host IOMMUFD backend device");
-#endif
+    if (iommufd_builtin()) {
+        object_class_property_set_description(klass, /* 9.0 */
+                                              "iommufd",
+                                              "Set host IOMMUFD backend device");
+    }
 }
 
 static const TypeInfo vfio_ap_info = {
-- 
2.47.1