fix: link rocksdb shared library

cmake/cmake.options

@@ -77,6 +77,12 @@ ELSEIF (TD_DARWIN_64)
     ENDIF ()
 ENDIF ()
 
+option(
+        BUILD_GEOS
+        "If build geos on Windows"
+        ON
+    )
+
 option(
     BUILD_SHARED_LIBS
     ""

cmake/rocksdb_CMakeLists.txt.in

@@ -1,11 +1,28 @@
 
 # rocksdb
-ExternalProject_Add(rocksdb
-        GIT_REPOSITORY https://github.com/facebook/rocksdb.git
-        GIT_TAG v8.1.1
-        SOURCE_DIR "${TD_CONTRIB_DIR}/rocksdb"
-        CONFIGURE_COMMAND ""
-        BUILD_COMMAND ""
-        INSTALL_COMMAND ""
-        TEST_COMMAND ""
-        )
+
+find_library(ROCKSDB_LIB NAMES rocksdb)
+find_path(ROCKSDB_INCLUDE_DIR NAMES rocksdb/db.h)
+
+if (ROCKSDB_LIB AND ROCKSDB_INCLUDE_DIR)
+  set(ROCKSDB_FOUND TRUE)
+endif()
+
+if(ROCKSDB_FOUND)
+  message(STATUS "Found rocksdb")
+else()
+  message(STATUS "Building rocksdb from source")
+
+  ExternalProject_Add(rocksdb
+          GIT_REPOSITORY https://github.com/facebook/rocksdb.git
+          GIT_TAG v8.1.1
+          SOURCE_DIR "${TD_CONTRIB_DIR}/rocksdb"
+          BINARY_DIR "${TD_CONTRIB_DIR}/rocksdb"
+          CONFIGURE_COMMAND ""
+          BUILD_COMMAND COMMAND $(MAKE) install-shared -j8
+          INSTALL_COMMAND ""
+          TEST_COMMAND ""
+          )
+endif()
+
+

contrib/CMakeLists.txt

@@ -226,6 +226,7 @@ if(${BUILD_WITH_LEVELDB})
 endif(${BUILD_WITH_LEVELDB})
 
 # rocksdb
+if (FALSE)
 # To support rocksdb build on ubuntu: sudo apt-get install libgflags-dev
 if(${BUILD_WITH_ROCKSDB})
     if(${TD_LINUX})
@@ -276,6 +277,7 @@ if(${BUILD_WITH_ROCKSDB})
         PUBLIC $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/rocksdb/include>
     )
 endif(${BUILD_WITH_ROCKSDB})
+endif()
 
 # lucene
 # To support build on ubuntu: sudo apt-get install libboost-all-dev