#284 Change C++ SDK to shread library

CHANGELOG.md

@@ -11,6 +11,7 @@ Please mark all change in change log and use the ticket from JIRA.
 - \#12 - Pure CPU version for Milvus
 - \#77 - Support table partition
 - \#226 - Experimental shards middleware for Milvus
+- \#284 - Change C++ SDK to shread library
 
 ## Improvement
 

core/src/sdk/CMakeLists.txt

@@ -22,7 +22,7 @@ include_directories(include)
 aux_source_directory(interface interface_files)
 aux_source_directory(grpc grpc_client_files)
 
-add_library(milvus_sdk STATIC
+add_library(milvus_sdk SHARED
         ${interface_files}
         ${grpc_client_files}
         ${grpc_service_files}