From 803f5a096e1ce3d1b22c59565185e5a728ec2abd Mon Sep 17 00:00:00 2001
From: Ben Noordhuis <info@bnoordhuis.nl>
Date: Mon, 9 Jan 2012 15:42:56 +0100
Subject: [PATCH] linux: fix build on older distros

---
 src/unix/internal.h | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/unix/internal.h b/src/unix/internal.h
index 1adb5f20..3ae5d054 100644
--- a/src/unix/internal.h
+++ b/src/unix/internal.h
@@ -59,6 +59,18 @@
 #  define HAVE_SYS_ACCEPT4 1
 # endif
 
+# ifndef O_CLOEXEC
+#  define O_CLOEXEC 02000000
+# endif
+
+# ifndef SOCK_CLOEXEC
+#  define SOCK_CLOEXEC O_CLOEXEC
+# endif
+
+# ifndef SOCK_NONBLOCK
+#  define SOCK_NONBLOCK O_NONBLOCK
+# endif
+
 # if HAVE_SYS_UTIMESAT
 inline static int sys_utimesat(int dirfd,
                                const char* path,