Merge #11986: [depends] zeromq 4.2.3

13a399a46 depends: patch pthread_set_name_np out of zeromq (Cory Fields)
8f7922636 depends: zeromq 4.2.3 (fanquake)

Pull request description:

  This is a followup to #9254 and #11981. Zeromq 4.2.3 was released just after #9254 was merged, and contains a years worth of improvements/bug fixes. See the release notes [here](https://github.com/zeromq/libzmq/releases/tag/v4.2.3).

  Todo:
  - [ ] Add zeromq-4.2.3.tar.gz to /depends-sources on bitcoincore.org
  - [ ] Verify gitian builds are still OK
  - [ ] Check: https://github.com/zeromq/libzmq/pull/2787

Tree-SHA512: 85e06f47be3e1fdedcee50ce90e3391d69df2ea1c167472ffc3126d8970d418eb75141b970e422eb2fda9a8cad00e6ba5b36afa53565171a9ebaa152a9dc9b60

1 files changed, 35 insertions, 0 deletions

diff --git a/depends/patches/zeromq/0002-disable-pthread_set_name_np.patch b/depends/patches/zeromq/0002-disable-pthread_set_name_np.patch
new file mode 100644
index 0000000000..d220b54f3e
--- /dev/null
+++ b/depends/patches/zeromq/0002-disable-pthread_set_name_np.patch
@@ -0,0 +1,35 @@
+From 6e6b47d5ab381c3df3b30bb0b0a6cf210dfb1eba Mon Sep 17 00:00:00 2001
+From: Cory Fields <cory-nospam-@coryfields.com>
+Date: Mon, 5 Mar 2018 14:22:05 -0500
+Subject: [PATCH] disable pthread_set_name_np
+
+pthread_set_name_np adds a Glibc requirement on >= 2.12.
+---
+ src/thread.cpp | 4 +++-
+ 1 file changed, 3 insertions(+), 1 deletion(-)
+
+diff --git a/src/thread.cpp b/src/thread.cpp
+index 4fc59c3e..c3fdfd46 100644
+--- a/src/thread.cpp
++++ b/src/thread.cpp
+@@ -220,7 +220,7 @@ void zmq::thread_t::setThreadName(const char *name_)
+  */
+     if (!name_)
+         return;
+-
++#if 0
+ #if defined(ZMQ_HAVE_PTHREAD_SETNAME_1)
+     int rc = pthread_setname_np(name_);
+     if(rc) return;
+@@ -233,6 +233,8 @@ void zmq::thread_t::setThreadName(const char *name_)
+ #elif defined(ZMQ_HAVE_PTHREAD_SET_NAME)
+     pthread_set_name_np(descriptor, name_);
+ #endif
++#endif
++    return;
+ }
+ 
+ #endif
+-- 
+2.11.1
+