Fixed MacOS Catalina build.

src/Makefile.am

@@ -357,7 +357,7 @@ libbitcoin_common_a_SOURCES = \
   $(BITCOIN_CORE_H)
 
 # cnutils: shared between bitcoind, and bitcoin-qt and non-server tools
-libbitcoin_cnutils_a_CPPFLAGS = $(AM_CPPFLAGS) -I$(srcdir)/cn_utils -I$(srcdir)/cn_utils/contrib -I$(srcdir)/cn_utils/external/easylogging++ -I$(srcdir)/cn_utils/contrib/epee/include
+libbitcoin_cnutils_a_CPPFLAGS = $(AM_CPPFLAGS) $(SSL_CFLAGS) -I$(srcdir)/cn_utils -I$(srcdir)/cn_utils/contrib -I$(srcdir)/cn_utils/external/easylogging++ -I$(srcdir)/cn_utils/contrib/epee/include
 libbitcoin_cnutils_a_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
 libbitcoin_cnutils_a_CFLAGS = $(PIC_FLAGS)
 libbitcoin_cnutils_a_SOURCES = \

src/qt/macdockiconhandler.mm

@@ -32,11 +32,16 @@ bool dockClickHandler(id self,SEL _cmd,...) {
 
 void setupDockClickHandler() {
     Class cls = objc_getClass("NSApplication");
-    id appInst = objc_msgSend((id)cls, sel_registerName("sharedApplication"));
+
+    // Fixed objc_msgSend mismatched arguments error.
+    typedef id (*send_type)(void*, SEL);
+    send_type typed_msgSend = (send_type)objc_msgSend;
+
+    id appInst = typed_msgSend((id)cls, sel_registerName("sharedApplication"));
     
     if (appInst != nullptr) {
-        id delegate = objc_msgSend(appInst, sel_registerName("delegate"));
-        Class delClass = (Class)objc_msgSend(delegate,  sel_registerName("class"));
+        id delegate = typed_msgSend(appInst, sel_registerName("delegate"));
+        Class delClass = (Class)typed_msgSend(delegate,  sel_registerName("class"));
         SEL shouldHandle = sel_registerName("applicationShouldHandleReopen:hasVisibleWindows:");
         if (class_getInstanceMethod(delClass, shouldHandle))
             class_replaceMethod(delClass, shouldHandle, (IMP)dockClickHandler, "B@:");

src/rpc/blockchain.cpp

@@ -1461,8 +1461,8 @@ UniValue get_info(const JSONRPCRequest& request)
     obj.push_back(Pair("mainnet",               Params().NetworkIDString() == "main"));
     obj.push_back(Pair("testnet",               Params().NetworkIDString() == "test"));
     obj.push_back(Pair("height",                (int)chainActive.Height()));
-    obj.push_back(Pair("incoming_connections_count",         g_connman->GetNodeCount(CConnman::CONNECTIONS_IN)));
-    obj.push_back(Pair("outgoing_connections_count",         g_connman->GetNodeCount(CConnman::CONNECTIONS_OUT)));
+    obj.push_back(Pair("incoming_connections_count",         (int)g_connman->GetNodeCount(CConnman::CONNECTIONS_IN)));
+    obj.push_back(Pair("outgoing_connections_count",         (int)g_connman->GetNodeCount(CConnman::CONNECTIONS_OUT)));
     obj.push_back(Pair("difficulty",            (uint64_t)round(GetDifficulty())));
     obj.push_back(Pair("tx_pool_size",          (int64_t) mempool.size()));
     obj.push_back(Pair("status",                "OK"));