diff --git a/meson.build b/meson.build
index de73e8ea..2c2d8e57 100644
--- a/meson.build
+++ b/meson.build
@@ -65,13 +65,13 @@ xkbcommon = dependency('xkbcommon')
 xcb = dependency('xcb', required: get_option('xwayland'))
 xcb_ewmh = dependency('xcb-ewmh', required: get_option('xwayland'))
 xcb_icccm = dependency('xcb-icccm', required: get_option('xwayland'))
-drm_full = dependency('libdrm')
+drm_full = dependency('libdrm', required: wlroots.get_variable('have_drm_backend') == 'true')
 drm = drm_full.partial_dependency(compile_args: true, includes: true)
 xml2 = dependency('libxml-2.0')
 glib = dependency('glib-2.0')
 cairo = dependency('cairo')
 pangocairo = dependency('pangocairo')
-input = dependency('libinput', version: '>=1.26')
+input = dependency('libinput', version: '>=1.26', required: wlroots.get_variable('have_libinput_backend') == 'true')
 pixman = dependency('pixman-1')
 math = cc.find_library('m')
 png = dependency('libpng')