From 8ce9237c928a7dc6afb889291237465daf4d6b43 Mon Sep 17 00:00:00 2001
From: Drew DeVault <sir@cmpwn.com>
Date: Wed, 21 Jun 2017 14:33:39 -0400
Subject: Create WAYLAND_DISPLAY socket

---
 example/shared.c | 5 ++++-
 example/shared.h | 4 +++-
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/example/shared.c b/example/shared.c
index d9a6c1fd..b9689f1c 100644
--- a/example/shared.c
+++ b/example/shared.c
@@ -1,4 +1,4 @@
-#define _POSIX_C_SOURCE 199309L
+#define _POSIX_C_SOURCE 200112L
 #include <string.h>
 #include <stdlib.h>
 #include <time.h>
@@ -460,6 +460,9 @@ void compositor_init(struct compositor_state *state) {
 
 	clock_gettime(CLOCK_MONOTONIC, &state->last_frame);
 
+	const char *socket = wl_display_add_socket_auto(state->display);
+	wlr_log(L_INFO, "Running compositor on wayland display '%s'", socket);
+	setenv("_WAYLAND_DISPLAY", socket, true);
 	if (!wlr_backend_init(state->backend)) {
 		wlr_log(L_ERROR, "Failed to initialize backend");
 		exit(1);
diff --git a/example/shared.h b/example/shared.h
index 48eca538..c95df9cc 100644
--- a/example/shared.h
+++ b/example/shared.h
@@ -1,6 +1,8 @@
 #ifndef _EXAMPLE_SHARED_H
 #define _EXAMPLE_SHARED_H
-#define _POSIX_C_SOURCE 199309L
+#ifndef _POSIX_C_SOURCE
+#define _POSIX_C_SOURCE 200112L
+#endif
 #include <time.h>
 #include <stdbool.h>
 #include <xkbcommon/xkbcommon.h>
-- 
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