diff -uNr wayland-1.17.0/cursor/os-compatibility.c wayland-1.17.0.mod/cursor/os-compatibility.c
--- wayland-1.17.0/cursor/os-compatibility.c	2019-03-21 02:55:25.000000000 +0200
+++ wayland-1.17.0.mod/cursor/os-compatibility.c	2019-07-01 22:32:38.256153848 +0300
@@ -111,8 +111,7 @@
 
 	path = getenv("XDG_RUNTIME_DIR");
 	if (!path) {
-		errno = ENOENT;
-		return -1;
+		path = "@TERMUX_PREFIX@/tmp";
 	}
 
 	name = malloc(strlen(path) + sizeof(template));
diff -uNr wayland-1.17.0/src/wayland-client.c wayland-1.17.0.mod/src/wayland-client.c
--- wayland-1.17.0/src/wayland-client.c	2019-03-21 02:55:25.000000000 +0200
+++ wayland-1.17.0.mod/src/wayland-client.c	2019-07-01 22:33:25.633279646 +0300
@@ -962,11 +962,7 @@
 
 	runtime_dir = getenv("XDG_RUNTIME_DIR");
 	if (!runtime_dir && !path_is_absolute) {
-		wl_log("error: XDG_RUNTIME_DIR not set in the environment.\n");
-		/* to prevent programs reporting
-		 * "failed to create display: Success" */
-		errno = ENOENT;
-		return -1;
+		runtime_dir = "@TERMUX_PREFIX@/tmp";
 	}
 
 	fd = wl_os_socket_cloexec(PF_LOCAL, SOCK_STREAM, 0);
diff -uNr wayland-1.17.0/src/wayland-server.c wayland-1.17.0.mod/src/wayland-server.c
--- wayland-1.17.0/src/wayland-server.c	2019-03-21 02:55:25.000000000 +0200
+++ wayland-1.17.0.mod/src/wayland-server.c	2019-07-01 22:34:05.100325582 +0300
@@ -1427,12 +1427,7 @@
 
 	runtime_dir = getenv("XDG_RUNTIME_DIR");
 	if (!runtime_dir) {
-		wl_log("error: XDG_RUNTIME_DIR not set in the environment\n");
-
-		/* to prevent programs reporting
-		 * "failed to add socket: Success" */
-		errno = ENOENT;
-		return -1;
+		runtime_dir = "@TERMUX_PREFIX@/tmp";
 	}
 
 	s->addr.sun_family = AF_LOCAL;