kconfig: allow compiling out QEMU device tree code per target
Introduce a new Kconfig symbol, CONFIG_DEVICE_TREE, that specifies whether
to include the common device tree code in system/device_tree.c and to
link to libfdt. For now, include it unconditionally if libfdt is
available.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/meson.build b/meson.build
index dd4a28f..8b90ea6 100644
--- a/meson.build
+++ b/meson.build
@@ -2989,6 +2989,7 @@
(have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
(opengl.found() ? ['CONFIG_OPENGL=y'] : []) + \
(x11.found() ? ['CONFIG_X11=y'] : []) + \
+ (fdt.found() ? ['CONFIG_FDT=y'] : []) + \
(have_vhost_user ? ['CONFIG_VHOST_USER=y'] : []) + \
(have_vhost_vdpa ? ['CONFIG_VHOST_VDPA=y'] : []) + \
(have_vhost_kernel ? ['CONFIG_VHOST_KERNEL=y'] : []) + \
