-enabled x11grab &&
-require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
-require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes &&
-{ enabled xlib || die "ERROR: Xlib not found"; }
+if ! disabled libxcb; then
+ check_pkg_config xcb xcb/xcb.h xcb_connect || {
+ enabled libxcb && die "ERROR: libxcb not found";
+ } && disable x11grab && enable libxcb
+
+if enabled libxcb; then
+ disabled libxcb_shm || {
+ check_pkg_config xcb-shm xcb/shm.h xcb_shm_attach || {
+ enabled libxcb_shm && die "ERROR: libxcb_shm not found";
+ } && check_header sys/shm.h && enable libxcb_shm; }
+
+ disabled libxcb_xfixes || {
+ check_pkg_config xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image || {
+ enabled libxcb_xfixes && die "ERROR: libxcb_xfixes not found";
+ } && enable libxcb_xfixes; }
+
+ disabled libxcb_shape || {
+ check_pkg_config xcb-shape xcb/shape.h xcb_shape_get_rectangles || {
+ enabled libxcb_shape && die "ERROR: libxcb_shape not found";
+ } && enable libxcb_shape; }
+
+ add_cflags $xcb_cflags $xcb_shm_cflags $xcb_xfixes_cflags $xcb_shape_cflags
+ add_extralibs $xcb_libs $xcb_shm_libs $xcb_xfixes_libs $xcb_shape_libs
+fi
+fi
+
+if enabled x11grab; then
+ enabled xlib || die "ERROR: Xlib not found"
+ require Xext X11/extensions/XShm.h XShmCreateImage -lXext
+ require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
+fi