[Add] librocksdb 6.4.15
diff --git a/Specs/6/3/1/librocksdb/6.4.15/librocksdb.podspec.json b/Specs/6/3/1/librocksdb/6.4.15/librocksdb.podspec.json
new file mode 100644
index 0000000..6a166d6
--- /dev/null
+++ b/Specs/6/3/1/librocksdb/6.4.15/librocksdb.podspec.json
@@ -0,0 +1,84 @@
+{
+  "name": "librocksdb",
+  "version": "6.4.15",
+  "summary": "rocksdb bindings for Swift. Cocoapods and SPM support. Linux support.",
+  "description": "This pod incldues bindings for the awesome rocksdb structured key value database from facebook.\nWorks on iOS, macOS, tvOS, watchOS and Linux. Major and Minor Version numbers are kept in sync with\nthe upstream rocksdb library. Patch version varies.",
+  "homepage": "https://github.com/Ybrin/rocksdb.swift",
+  "license": {
+    "type": "MIT",
+    "file": "LICENSE"
+  },
+  "authors": {
+    "Koray Koska": "koray@koska.at"
+  },
+  "source": {
+    "git": "https://github.com/Ybrin/rocksdb.swift.git",
+    "tag": "v6.4.15",
+    "submodules": true
+  },
+  "platforms": {
+    "ios": "8.0",
+    "osx": "10.10",
+    "tvos": "9.0",
+    "watchos": "2.0"
+  },
+  "swift_versions": [
+    "5.1.3",
+    "5.1.2",
+    "5.0",
+    "5.1"
+  ],
+  "module_name": "librocksdb",
+  "pod_target_xcconfig": {
+    "GCC_PREPROCESSOR_DEFINITIONS": "ROCKSDB_PLATFORM_POSIX=1 ROCKSDB_LIB_IO_POSIX=1 PORTABLE=1 OS_MACOSX=1 ROCKSDB_BUILD_GIT_SHA_ENV=\\\"e3169e3ea8762d2f34880742106858a23c8dc8b7\\\" ROCKSDB_BUILD_GIT_DATE_ENV=\"\\\"Mon Oct 21 12:07:58 2019 -0700\\\"\"",
+    "HEADER_SEARCH_PATHS": "\"${PODS_ROOT}/librocksdb/Sources/librocksdb/upstream\" \"${PODS_ROOT}/librocksdb/Sources/librocksdb/upstream/include\" \"${PODS_ROOT}/librocksdb/Sources/librocksdb/upstream/util\"",
+    "WARNING_CFLAGS": "-Wno-shorten-64-to-32 -Wno-comma -Wno-unreachable-code -Wno-conditional-uninitialized -Wno-deprecated-declarations",
+    "USE_HEADERMAP": "No"
+  },
+  "header_mappings_dir": "Sources/librocksdb",
+  "libraries": "c++",
+  "source_files": [
+    "Sources/librocksdb/upstream/cache/**/*.{cc,c,h}",
+    "Sources/librocksdb/upstream/db/**/*.{cc,c,h}",
+    "Sources/librocksdb/upstream/env/**/*.{cc,c,h}",
+    "Sources/librocksdb/upstream/file/**/*.{cc,c,h}",
+    "Sources/librocksdb/upstream/include/**/*.{cc,c,h}",
+    "Sources/librocksdb/upstream/logging/**/*.{cc,c,h}",
+    "Sources/librocksdb/upstream/memory/**/*.{cc,c,h}",
+    "Sources/librocksdb/upstream/memtable/**/*.{cc,c,h}",
+    "Sources/librocksdb/upstream/monitoring/**/*.{cc,c,h}",
+    "Sources/librocksdb/upstream/options/**/*.{cc,c,h}",
+    "Sources/librocksdb/upstream/port/**/*.{cc,c,h}",
+    "Sources/librocksdb/upstream/table/**/*.{cc,c,h}",
+    "Sources/librocksdb/upstream/test_util/**/*.{cc,c,h}",
+    "Sources/librocksdb/upstream/trace_replay/**/*.{cc,c,h}",
+    "Sources/librocksdb/upstream/util/**/*.{cc,c,h}",
+    "Sources/librocksdb/upstream/utilities/**/*.{cc,c,h}",
+    "Sources/librocksdb/upstream/tools/sst_dump_tool_imp.h",
+    "Sources/librocksdb/patches/build_version.cc"
+  ],
+  "public_header_files": "Sources/librocksdb/upstream/include/rocksdb/c.h",
+  "exclude_files": [
+    "**/*_test.{cc,c}",
+    "**/*_bench.cc",
+    "Sources/librocksdb/upstream/db/db_test2.cc",
+    "Sources/librocksdb/upstream/db/db_test_util.cc",
+    "Sources/librocksdb/upstream/port/win",
+    "Sources/librocksdb/upstream/table/mock_table.h",
+    "Sources/librocksdb/upstream/table/mock_table.cc",
+    "Sources/librocksdb/upstream/test_util/testharness.cc",
+    "Sources/librocksdb/upstream/test_util/testharness.h",
+    "Sources/librocksdb/upstream/util/crc32c_ppc_asm.S",
+    "Sources/librocksdb/upstream/utilities/env_librados.cc",
+    "Sources/librocksdb/upstream/utilities/cassandra/test_utils.cc",
+    "Sources/librocksdb/upstream/utilities/cassandra/test_utils.h",
+    "Sources/librocksdb/upstream/utilities/cassandra/merge_operator.cc",
+    "Sources/librocksdb/upstream/utilities/cassandra/merge_operator.h",
+    "Sources/librocksdb/upstream/utilities/cassandra/format.cc",
+    "Sources/librocksdb/upstream/utilities/cassandra/format.h",
+    "Sources/librocksdb/upstream/utilities/cassandra/cassandra_compaction_filter.cc",
+    "Sources/librocksdb/upstream/utilities/cassandra/cassandra_compaction_filter.h",
+    "Sources/librocksdb/upstream/env/env_hdfs.cc"
+  ],
+  "swift_version": "5.1.3"
+}