Merge pull request #12742 from azat/build-fixes-v20.7

Build fixes v20.7 (mostly unbundled+shared+split build)

src/Functions/DummyJSONParser.h

@@ -37,8 +37,8 @@ struct DummyJSONParser
         double getDouble() const { return 0; }
         bool getBool() const { return false; }
         std::string_view getString() const { return {}; }
-        Array getArray() const;
-        Object getObject() const;
+        Array getArray() const { return {}; }
+        Object getObject() const { return {}; }
     };
 
     /// References an array in a JSON document.

src/Storages/System/CMakeLists.txt

@@ -37,4 +37,11 @@ list (APPEND storages_system_sources ${GENERATED_LICENSES_SRC})
 set_source_files_properties(${GENERATED_LICENSES_SRC} PROPERTIES COMPILE_FLAGS -w)
 
 add_library(clickhouse_storages_system ${storages_system_headers} ${storages_system_sources})
-target_link_libraries(clickhouse_storages_system PRIVATE dbms common string_utils clickhouse_common_zookeeper clickhouse_parsers)
+target_link_libraries(clickhouse_storages_system PRIVATE
+    dbms
+    common
+    string_utils
+    clickhouse_common_zookeeper
+    clickhouse_parsers
+    Poco::JSON
+)