From a855c926fe865911611a82eedaebaf0f780f2bbd Mon Sep 17 00:00:00 2001
From: "A. Wilcox" <AWilcox@Wilcox-Tech.com>
Date: Thu, 1 Feb 2018 18:31:59 -0600
Subject: socket: add __cmsg_nxthdr

---
 CHANGELOG.rst       |  6 ++++++
 libgcompat/socket.c | 10 ++++++++++
 2 files changed, 16 insertions(+)

diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index a35657e..7d23a3c 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -25,6 +25,12 @@ malloc
 * Add __sbrk.
 
 
+socket
+------
+
+* Add __cmsg_nxthdr.
+
+
 sysctl
 ------
 
diff --git a/libgcompat/socket.c b/libgcompat/socket.c
index 927ebe4..971a6ba 100644
--- a/libgcompat/socket.c
+++ b/libgcompat/socket.c
@@ -2,6 +2,16 @@
 #include <stddef.h>     /* NULL */
 #include <sys/socket.h> /* recv, recvfrom */
 
+/**
+ * Found in the wild needed by libcef.  It looks like glibc moved to a
+ * pure preprocessor-based solution some time ago, but this remains for
+ * compatibility.
+ */
+struct cmsghdr *__cmsg_nxthdr(struct msghdr *msg, struct cmsghdr *cmsg)
+{
+	return CMSG_NXTHDR(msg, cmsg);
+}
+
 /**
  * Receive a message from a connected socket, with buffer overflow checking.
  *
-- 
cgit v1.2.3-60-g2f50