From 1b600ecd14049985dc1001d22d6495810ca418a0 Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <edolstra@gmail.com>
Date: Tue, 5 Nov 2019 10:25:09 +0100
Subject: Don't use SOCK_CLOEXEC on macOS

https://hydra.nixos.org/build/105428308
---
 src/libutil/util.cc | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/libutil/util.cc b/src/libutil/util.cc
index d29802bcd..34c1d96dc 100644
--- a/src/libutil/util.cc
+++ b/src/libutil/util.cc
@@ -1567,7 +1567,11 @@ std::unique_ptr<InterruptCallback> createInterruptCallback(std::function<void()>
 
 AutoCloseFD createUnixDomainSocket(const Path & path, mode_t mode)
 {
-    AutoCloseFD fdSocket = socket(PF_UNIX, SOCK_STREAM | SOCK_CLOEXEC, 0);
+    AutoCloseFD fdSocket = socket(PF_UNIX, SOCK_STREAM
+        #ifdef SOCK_CLOEXEC
+        | SOCK_CLOEXEC
+        #endif
+        , 0);
     if (!fdSocket)
         throw SysError("cannot create Unix domain socket");
 
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