updated build system

cmake/libraries/rocksdb.cmake

@@ -1,41 +0,0 @@
-if(PROJECT_ENABLE_ROCKSDB)
-  if(PROJECT_BUILD)
-    find_library(ROCKSDB_LIBRARY NAMES librocksdb.a REQUIRED)
-
-    add_definitions(-DPROJECT_ENABLE_ROCKSDB)
-
-    link_libraries(
-      ${ROCKSDB_LIBRARY}
-    )
-  elseif(NOT PROJECT_IS_MINGW OR CMAKE_HOST_WIN32)
-    ExternalProject_Add(rocksdb_project
-      PREFIX external
-      URL ${PROJECT_3RD_PARTY_DIR}/rocksdb-${ROCKSDB_VERSION}.tar.gz
-      URL_HASH SHA256=1f829976aa24b8ba432e156f52c9e0f0bd89c46dc0cc5a9a628ea70571c1551c
-      LIST_SEPARATOR |
-      CMAKE_ARGS ${PROJECT_EXTERNAL_CMAKE_FLAGS}
-        -DBUILD_SHARED_LIBS=${PROJECT_BUILD_SHARED_LIBS}
-        -DBUILD_STATIC_LIBS=ON
-        -DFAIL_ON_WARNINGS=OFF
-        -DPORTABLE=1
-        -DROCKSDB_BUILD_SHARED=${PROJECT_BUILD_SHARED_LIBS}
-        -DROCKSDB_INSTALL_ON_WINDOWS=ON
-        -DWITH_BENCHMARK=OFF
-        -DWITH_BENCHMARK_TOOLS=OFF
-        -DWITH_CORE_TOOLS=OFF
-        -DWITH_EXAMPLES=OFF
-        -DWITH_GFLAGS=OFF
-        -DWITH_IOSTATS_CONTEXT=OFF
-        -DWITH_PERF_CONTEXT=OFF
-        -DWITH_TESTS=OFF
-        -DWITH_TOOLS=OFF
-        -DWITH_TRACE_TOOLS=OFF
-        -DWITH_ZLIB=ON
-    )
-
-    set(PROJECT_DEPENDENCIES 
-      ${PROJECT_DEPENDENCIES}
-      rocksdb_project
-    )
-  endif()
-endif()