[PATCH v2] configure: simplify vhost condition with Kconfig

[Paolo Bonzini <pbonzini@redhat.com>]

From: Marc-André Lureau <marcandre.lureau@redhat.com>

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 Kconfig.host            | 5 +++++
 Makefile                | 1 +
 hw/virtio/Kconfig       | 3 +++
 hw/virtio/Makefile.objs | 4 ++--
 4 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/Kconfig.host b/Kconfig.host
index bb6e116..55136e0 100644
--- a/Kconfig.host
+++ b/Kconfig.host
@@ -25,6 +25,11 @@ config TPM
 
 config VHOST_USER
     bool
+    select VHOST
+
+config VHOST_KERNEL
+    bool
+    select VHOST
 
 config XEN
     bool
diff --git a/Makefile b/Makefile
index 96e69dd..a74c2f2 100644
--- a/Makefile
+++ b/Makefile
@@ -382,6 +382,7 @@ MINIKCONF_ARGS = \
     CONFIG_OPENGL=$(CONFIG_OPENGL) \
     CONFIG_X11=$(CONFIG_X11) \
     CONFIG_VHOST_USER=$(CONFIG_VHOST_USER) \
+    CONFIG_VHOST_KERNEL=$(CONFIG_VHOST_KERNEL) \
     CONFIG_VIRTFS=$(CONFIG_VIRTFS) \
     CONFIG_LINUX=$(CONFIG_LINUX) \
     CONFIG_PVRDMA=$(CONFIG_PVRDMA)
diff --git a/hw/virtio/Kconfig b/hw/virtio/Kconfig
index 3724ff8..f87def2 100644
--- a/hw/virtio/Kconfig
+++ b/hw/virtio/Kconfig
@@ -1,3 +1,6 @@
+config VHOST
+    bool
+
 config VIRTIO
     bool
 
diff --git a/hw/virtio/Makefile.objs b/hw/virtio/Makefile.objs
index e2f70fb..de0f5fc 100644
--- a/hw/virtio/Makefile.objs
+++ b/hw/virtio/Makefile.objs
@@ -2,8 +2,8 @@ ifeq ($(CONFIG_VIRTIO),y)
 common-obj-y += virtio-bus.o
 obj-y += virtio.o
 
-obj-$(call lor,$(CONFIG_VHOST_USER),$(CONFIG_VHOST_KERNEL)) += vhost.o vhost-backend.o
-common-obj-$(call lnot,$(call lor,$(CONFIG_VHOST_USER),$(CONFIG_VHOST_KERNEL))) += vhost-stub.o
+obj-$(CONFIG_VHOST) += vhost.o vhost-backend.o
+common-obj-$(call lnot,$(CONFIG_VHOST)) += vhost-stub.o
 obj-$(CONFIG_VHOST_USER) += vhost-user.o
 
 common-obj-$(CONFIG_VIRTIO_RNG) += virtio-rng.o
-- 
1.8.3.1