add readme

Former-commit-id: a08fe24787b77155840941394c8a93612994d39f

cpp/LICENSE.txt

+Copyright 上海赜睿信息科技有限公司(Zilliz) - All Rights Reserved
+Unauthorized copying of this file, via any medium is strictly prohibited.
+Proprietary and confidential.
\ No newline at end of file

cpp/README.md

-# vecwise_engine_server
-
-### Build and Install
-Firstly download zdb_server to under same parent folder with zdb_build
-
-    git clone git@192.168.1.105:jinhai/vecwise_engine.git
-
-Install necessery tools
+### Compilation
+#### Step 1: install necessery tools
 
     centos7 : yum install gfortran
     ubunut : sudo apt-install install gfortran
 
-Build third-parties
+#### Step 2: build third-parties
 
     cd [sourcecode path]/cpp/thid_party
     ./build.sh
     
-Then run build.sh scripts under cpp folder:
+#### Step 3: build(output to cmake_build folder)
+cmake_build/src/vecwise_engine_server is the server
+
+cmake_build/src/libvecwise_engine.a is the static library
 
     cd [sourcecode path]/cpp
     ./build.sh -t Debug
     ./build.sh -t Release
     
-To run unittest:
+#### To build unittest:
     
     ./build.sh -u
     or
@@ -30,5 +27,8 @@ To run unittest:
     
 ### Luanch server
 Set config in cpp/conf/server_config.yaml
+
 Then luanch server with config:
-    vecwise_engine_server -c [sourcecode path]/cpp/conf/server_config.yaml
\ No newline at end of file
+    
+    vecwise_engine_server -c [sourcecode path]/cpp/conf/server_config.yaml
+

cpp/src/CMakeLists.txt

@@ -14,7 +14,7 @@ set(vecwise_engine_src
         ${cache_files}
         )
 
-add_library(vecwise_engine SHARED ${vecwise_engine_src})
+add_library(vecwise_engine STATIC ${vecwise_engine_src})
 
 add_executable(vecwise_engine_server
         ${config_files}