Suppress focal-specific warnings

Signed-off-by: Michael Carroll <[email protected]>

CMakeLists.txt

@@ -46,6 +46,19 @@ ign_find_package(IgnProtobuf
 # Find ZeroMQ
 ign_find_package(ZeroMQ VERSION 4 REQUIRED PRIVATE)
 
+if (CMAKE_SYSTEM_NAME MATCHES "Linux")
+  execute_process(COMMAND lsb_release -cs
+    OUTPUT_VARIABLE RELEASE_CODENAME
+    OUTPUT_STRIP_TRAILING_WHITESPACE
+    ERROR_QUIET)
+
+  # Set UBUNTU_FOCAL in config.hh to flag cppzmq workaround.
+  if (${RELEASE_CODENAME} STREQUAL "focal")
+    set(UBUNTU_FOCAL 1)
+  endif()
+
+endif()
+
 #--------------------------------------
 # Find cppzmq
 ign_find_package(CPPZMQ REQUIRED PRIVATE

include/ignition/transport/Helpers.hh

@@ -38,6 +38,12 @@
   #define IGN_ZMQ_POST_4_3_1
 #endif
 
+#if CPPZMQ_VERSION >= 40700 
+  #ifndef UBUNTU_FOCAL
+    #define IGN_CPPZMQ_POST_4_7_0
+  #endif
+#endif
+
 namespace ignition
 {
   namespace transport

include/ignition/transport/config.hh.in

@@ -17,3 +17,4 @@
 #cmakedefine BUILD_TYPE_RELEASE 1
 
 #cmakedefine HAVE_IFADDRS 1
+#cmakedefine UBUNTU_FOCAL 1 

src/Node.cc

@@ -619,7 +619,7 @@ bool Node::Unsubscribe(const std::string &_topic)
   if (!this->dataPtr->shared->localSubscribers
       .HasSubscriber(fullyQualifiedTopic))
   {
-#if (CPPZMQ_VERSION >= 40700)
+#ifdef IGN_CPPZMQ_POST_4_7_0
     this->dataPtr->shared->dataPtr->subscriber->set(
       zmq::sockopt::unsubscribe, fullyQualifiedTopic);
 #else

src/NodeShared.cc

@@ -1068,7 +1068,7 @@ void NodeShared::OnNewConnection(const MessagePublisher &_pub)
       this->dataPtr->subscriber->connect(addr.c_str());
 
     // Add a new filter for the topic.
-#if (CPPZMQ_VERSION >= 40700)
+#ifdef IGN_CPPZMQ_POST_4_7_0
     this->dataPtr->subscriber->set(zmq::sockopt::subscribe, topic);
 #else
     this->dataPtr->subscriber->setsockopt(ZMQ_SUBSCRIBE,
@@ -1263,7 +1263,7 @@ bool NodeShared::InitializeSockets()
 
 
     int lingerVal = 0;
-#if (CPPZMQ_VERSION >= 40700)
+#ifdef IGN_CPPZMQ_POST_4_7_0
     this->dataPtr->publisher->set(zmq::sockopt::linger, lingerVal);
 #else
     this->dataPtr->publisher->setsockopt(ZMQ_LINGER,
@@ -1301,7 +1301,7 @@ bool NodeShared::InitializeSockets()
                   << std::endl;
       }
     }
-#if (CPPZMQ_VERSION >= 40700)
+#ifdef IGN_CPPZMQ_POST_4_7_0
     this->dataPtr->subscriber->set(zmq::sockopt::rcvhwm, rcvQueueVal);
 #else
     this->dataPtr->subscriber->setsockopt(ZMQ_RCVHWM,
@@ -1339,7 +1339,7 @@ bool NodeShared::InitializeSockets()
                   << std::endl;
       }
     }
-#if (CPPZMQ_VERSION >= 40700)
+#ifdef IGN_CPPZMQ_POST_4_7_0
     this->dataPtr->publisher->set(zmq::sockopt::sndhwm, sndQueueVal);
 
     this->dataPtr->publisher->bind(anyTcpEp.c_str());
@@ -1439,7 +1439,7 @@ int NodeShared::RcvHwm()
   int rcvHwm;
   try
   {
-#if (CPPZMQ_VERSION >= 40700)
+#ifdef IGN_CPPZMQ_POST_4_7_0
     rcvHwm = this->dataPtr->subscriber->get(zmq::sockopt::rcvhwm);
 #else
     size_t rcvHwmSize = sizeof(rcvHwm);
@@ -1460,7 +1460,7 @@ int NodeShared::SndHwm()
   int sndHwm;
   try
   {
-#if (CPPZMQ_VERSION >= 40700)
+#ifdef IGN_CPPZMQ_POST_4_7_0
     sndHwm = this->dataPtr->publisher->get(zmq::sockopt::sndhwm);
 #else
     size_t sndHwmSize = sizeof(sndHwm);
@@ -1561,7 +1561,7 @@ void NodeSharedPrivate::SecurityOnNewConnection()
   // See issue #74
   if (userPass(user, pass))
   {
-#if (CPPZMQ_VERSION >= 40700)
+#ifdef IGN_CPPZMQ_POST_4_7_0
     this->subscriber->set(zmq::sockopt::plain_username, user);
     this->subscriber->set(zmq::sockopt::plain_password, pass);
 #else
@@ -1586,7 +1586,7 @@ void NodeSharedPrivate::SecurityInit()
     int asPlainSecurityServer = static_cast<int>(
         ZmqPlainSecurityServerOptions::ZMQ_PLAIN_SECURITY_SERVER_ENABLED);
 
-#if (CPPZMQ_VERSION >= 40700)
+#ifdef IGN_CPPZMQ_POST_4_7_0
     this->publisher->set(zmq::sockopt::plain_server, asPlainSecurityServer);
     this->publisher->set(zmq::sockopt::zap_domain, kIgnAuthDomain);
 #else