diff --git a/.gitignore b/.gitignore
index d4edde88..48945461 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,12 +4,10 @@ Makefile
 cmake_install.cmake
 install_manifest.txt
 .clang_complete
-*.swp
 *.o
 *.a
 bin/
 test/
 build/
-.lvimrc
 wayland-*-protocol.*
 wlr-example.ini
diff --git a/.travis.yml b/.travis.yml
index f6bbd7f4..0028de93 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,6 +6,12 @@ compiler:
   - gcc
   - clang
 
+# Settings to try
+env:
+ matrix:
+  - OPTIONS="-Denable_libcap=true  -Denable_systemd=true  -Denable_elogind=false -Denable_xwayland=true"
+  - OPTIONS="-Denable_libcap=false -Denable_systemd=false -Denable_elogind=false -Denable_xwayland=false"
+
 arch:
   packages:
     - meson
@@ -19,7 +25,7 @@ arch:
     - xcb-util-image
     - libcap
   script:
-    - "meson build"
+    - "meson build $OPTIONS"
     - "ninja -C build"
 
 script:
diff --git a/backend/drm/backend.c b/backend/drm/backend.c
index 112b2b61..c0e49f18 100644
--- a/backend/drm/backend.c
+++ b/backend/drm/backend.c
@@ -168,6 +168,7 @@ struct wlr_backend *wlr_drm_backend_create(struct wl_display *display,
 	return &drm->backend;
 
 error_event:
+	wl_list_remove(&drm->session_signal.link);
 	wl_event_source_remove(drm->drm_event);
 error_fd:
 	wlr_session_close_file(drm->session, drm->fd);
diff --git a/backend/drm/drm.c b/backend/drm/drm.c
index b9aae948..024bc929 100644
--- a/backend/drm/drm.c
+++ b/backend/drm/drm.c
@@ -469,7 +469,7 @@ static bool wlr_drm_connector_set_mode(struct wlr_output *output,
 	if (!crtc) {
 		return false;
 	}
-	wlr_log(L_DEBUG, "%s: crtc=%ju ovr=%jd pri=%jd cur=%jd", conn->output.name,
+	wlr_log(L_DEBUG, "%s: crtc=%td ovr=%td pri=%td cur=%td", conn->output.name,
 		crtc - drm->crtcs,
 		crtc->overlay ? crtc->overlay - drm->overlay_planes : -1,
 		crtc->primary ? crtc->primary - drm->primary_planes : -1,
diff --git a/backend/meson.build b/backend/meson.build
index 9931f546..9c8f5852 100644
--- a/backend/meson.build
+++ b/backend/meson.build
@@ -33,11 +33,11 @@ else
 	backend_files += files('session/direct.c')
 endif
 
-if systemd.found()
+if systemd.found() and get_option('enable_systemd')
 	backend_files += files('session/logind.c')
 endif
 
-if elogind.found()
+if elogind.found() and get_option('enable_elogind')
 	backend_files += files('session/logind.c')
 endif
 
diff --git a/include/rootston/view.h b/include/rootston/view.h
index 9312c8c3..f6968c7a 100644
--- a/include/rootston/view.h
+++ b/include/rootston/view.h
@@ -54,7 +54,9 @@ struct roots_xwayland_surface {
 enum roots_view_type {
 	ROOTS_WL_SHELL_VIEW,
 	ROOTS_XDG_SHELL_V6_VIEW,
+#ifdef WLR_HAS_XWAYLAND
 	ROOTS_XWAYLAND_VIEW,
+#endif
 };
 
 struct roots_view {
diff --git a/meson.build b/meson.build
index aee4b11b..55b07efa 100644
--- a/meson.build
+++ b/meson.build
@@ -153,6 +153,22 @@ wlroots = declare_dependency(
 	include_directories: wlr_inc,
 )
 
+
+summary = [
+  '',
+  '----------------',
+  'wlroots @0@'.format(meson.project_version()),
+  '',
+  '   libcap: @0@'.format(get_option('enable_libcap')),
+  '  systemd: @0@'.format(get_option('enable_systemd')),
+  '  elogind: @0@'.format(get_option('enable_elogind')),
+  ' xwayland: @0@'.format(get_option('enable_xwayland')),
+  '----------------',
+  ''
+]
+message('\n'.join(summary))
+
+
 subdir('rootston')
 subdir('examples')
 
@@ -164,3 +180,31 @@ pkgconfig.generate(
 	name: meson.project_name(),
 	description: 'Wayland compositor library',
 )
+
+git = find_program('git', required: false)
+if git.found()
+	all_files = run_command(
+		git,
+		['--git-dir=@0@/.git'.format(meson.source_root()),
+		 'ls-files',
+		 ':/*.[ch]'])
+	all_files = files(all_files.stdout().split())
+
+	etags = find_program('etags', required: false)
+	if etags.found() and all_files.length() > 0
+		custom_target('etags',
+		   build_by_default: true,
+		   input: all_files,
+		   output: 'TAGS',
+		   command: [etags.path(), '-o', 'TAGS'] + all_files)
+	endif
+
+	ctags = find_program('ctags', required: false)
+	if ctags.found() and all_files.length() > 0
+		custom_target('ctags',
+		   build_by_default: true,
+		   input: all_files,
+		   output: 'tags',
+		   command: [ctags.path(), '-o', 'tags'] + all_files)
+	endif
+endif
diff --git a/rootston/desktop.c b/rootston/desktop.c
index 9abcfa33..5fd4a5cc 100644
--- a/rootston/desktop.c
+++ b/rootston/desktop.c
@@ -628,6 +628,24 @@ struct roots_desktop *desktop_create(struct roots_server *server,
 	desktop->server = server;
 	desktop->config = config;
 
+	desktop->layout = wlr_output_layout_create();
+	desktop->layout_change.notify = handle_layout_change;
+	wl_signal_add(&desktop->layout->events.change, &desktop->layout_change);
+
+	desktop->compositor = wlr_compositor_create(server->wl_display,
+		server->renderer);
+
+	desktop->xdg_shell_v6 = wlr_xdg_shell_v6_create(server->wl_display);
+	wl_signal_add(&desktop->xdg_shell_v6->events.new_surface,
+		&desktop->xdg_shell_v6_surface);
+	desktop->xdg_shell_v6_surface.notify = handle_xdg_shell_v6_surface;
+
+	desktop->wl_shell = wlr_wl_shell_create(server->wl_display);
+	wl_signal_add(&desktop->wl_shell->events.new_surface,
+		&desktop->wl_shell_surface);
+	desktop->wl_shell_surface.notify = handle_wl_shell_surface;
+
+#ifdef WLR_HAS_XWAYLAND
 	const char *cursor_theme = NULL;
 	const char *cursor_default = ROOTS_XCURSOR_DEFAULT;
 	struct roots_cursor_config *cc =
@@ -648,24 +666,6 @@ struct roots_desktop *desktop_create(struct roots_server *server,
 		return NULL;
 	}
 
-	desktop->layout = wlr_output_layout_create();
-	desktop->layout_change.notify = handle_layout_change;
-	wl_signal_add(&desktop->layout->events.change, &desktop->layout_change);
-
-	desktop->compositor = wlr_compositor_create(server->wl_display,
-		server->renderer);
-
-	desktop->xdg_shell_v6 = wlr_xdg_shell_v6_create(server->wl_display);
-	wl_signal_add(&desktop->xdg_shell_v6->events.new_surface,
-		&desktop->xdg_shell_v6_surface);
-	desktop->xdg_shell_v6_surface.notify = handle_xdg_shell_v6_surface;
-
-	desktop->wl_shell = wlr_wl_shell_create(server->wl_display);
-	wl_signal_add(&desktop->wl_shell->events.new_surface,
-		&desktop->wl_shell_surface);
-	desktop->wl_shell_surface.notify = handle_wl_shell_surface;
-
-#ifdef WLR_HAS_XWAYLAND
 	if (config->xwayland) {
 		desktop->xwayland = wlr_xwayland_create(server->wl_display,
 			desktop->compositor);
diff --git a/rootston/output.c b/rootston/output.c
index f0710b11..c46ba115 100644
--- a/rootston/output.c
+++ b/rootston/output.c
@@ -120,15 +120,18 @@ static void view_for_each_surface(struct roots_view *view,
 		wl_shell_surface_for_each_surface(view->wl_shell_surface, view->x,
 			view->y, view->rotation, false, iterator, user_data);
 		break;
+#ifdef WLR_HAS_XWAYLAND
 	case ROOTS_XWAYLAND_VIEW:
 		if (view->wlr_surface != NULL) {
 			surface_for_each_surface(view->wlr_surface, view->x, view->y,
 				view->rotation, iterator, user_data);
 		}
 		break;
+#endif
 	}
 }
 
+#ifdef WLR_HAS_XWAYLAND
 static void xwayland_children_for_each_surface(
 		struct wlr_xwayland_surface *surface,
 		surface_iterator_func_t iterator, void *user_data) {
@@ -141,6 +144,7 @@ static void xwayland_children_for_each_surface(
 		xwayland_children_for_each_surface(child, iterator, user_data);
 	}
 }
+#endif
 
 
 struct render_data {
@@ -333,8 +337,10 @@ static bool has_standalone_surface(struct roots_view *view) {
 		return wl_list_empty(&view->xdg_surface_v6->popups);
 	case ROOTS_WL_SHELL_VIEW:
 		return wl_list_empty(&view->wl_shell_surface->popups);
+#ifdef WLR_HAS_XWAYLAND
 	case ROOTS_XWAYLAND_VIEW:
 		return wl_list_empty(&view->xwayland_surface->children);
+#endif
 	}
 	return true;
 }
@@ -444,10 +450,12 @@ static void render_output(struct roots_output *output) {
 		// During normal rendering the xwayland window tree isn't traversed
 		// because all windows are rendered. Here we only want to render
 		// the fullscreen window's children so we have to traverse the tree.
+#ifdef WLR_HAS_XWAYLAND
 		if (view->type == ROOTS_XWAYLAND_VIEW) {
 			xwayland_children_for_each_surface(view->xwayland_surface,
 				render_surface, &data);
 		}
+#endif
 
 		goto renderer_end;
 	}
diff --git a/rootston/seat.c b/rootston/seat.c
index 7ff46f98..55866ce6 100644
--- a/rootston/seat.c
+++ b/rootston/seat.c
@@ -732,10 +732,12 @@ void roots_seat_set_focus(struct roots_seat *seat, struct roots_view *view) {
 		return;
 	}
 
+#ifdef WLR_HAS_XWAYLAND
 	if (view && view->type == ROOTS_XWAYLAND_VIEW &&
 			view->xwayland_surface->override_redirect) {
 		return;
 	}
+#endif
 	struct roots_seat_view *seat_view = NULL;
 	if (view != NULL) {
 		seat_view = roots_seat_view_from_view(seat, view);
diff --git a/types/wlr_keyboard.c b/types/wlr_keyboard.c
index b0dc97aa..29552eb4 100644
--- a/types/wlr_keyboard.c
+++ b/types/wlr_keyboard.c
@@ -215,13 +215,13 @@ void wlr_keyboard_set_keymap(struct wlr_keyboard *kb,
 	}
 	kb->keymap_fd = os_create_anonymous_file(kb->keymap_size);
 	if (kb->keymap_fd < 0) {
-		wlr_log(L_ERROR, "creating a keymap file for %lu bytes failed", kb->keymap_size);
+		wlr_log(L_ERROR, "creating a keymap file for %zu bytes failed", kb->keymap_size);
 		goto err;
 	}
 	void *ptr = mmap(NULL, kb->keymap_size,
 		PROT_READ | PROT_WRITE, MAP_SHARED, kb->keymap_fd, 0);
 	if (ptr == (void*)-1) {
-		wlr_log(L_ERROR, "failed to mmap() %lu bytes", kb->keymap_size);
+		wlr_log(L_ERROR, "failed to mmap() %zu bytes", kb->keymap_size);
 		goto err;
 	}
 	strcpy(ptr, keymap_str);