move to new build system

cmake/libraries/rocksdb.cmake

@@ -0,0 +1,41 @@
+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=54ca90dd782a988cd3ebc3e0e9ba9b4efd563d7eb78c5e690c2403f1b7d4a87a
+      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()