From 94b7c5ec3faf8bda358194b275b7b39be9464b13 Mon Sep 17 00:00:00 2001
From: Victor Polevoy <fx@thefx.co>
Date: Fri, 22 Apr 2022 16:25:45 +0200
Subject: [PATCH] Enable shared memory for emscripten test.

---
 libc-test/build.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/libc-test/build.rs b/libc-test/build.rs
index 27ead960def1c..affd423d92871 100644
--- a/libc-test/build.rs
+++ b/libc-test/build.rs
@@ -2444,7 +2444,8 @@ fn test_emscripten(target: &str) {
 
     let mut cfg = ctest_cfg();
     cfg.define("_GNU_SOURCE", None); // FIXME: ??
-    cfg.flag("-pthread"); // Enable POSIX threads support.
+    cfg.flag("-pthread");
+    cfg.flag("-Wl,--shared-memory");
 
     headers! { cfg:
                "aio.h",