From 1304886a45b0e9b643ea89ea493172814deb57a0 Mon Sep 17 00:00:00 2001
From: "Genevieve (Genna) Helsel" <helsel@meta.com>
Date: Mon, 13 Nov 2023 12:47:14 -0800
Subject: [PATCH] LMDBInodeCatalog + LMDBFileContentStore

Summary:
X-link: https://github.com/facebookincubator/velox/pull/7542

ties all of the pieces together. The bulk of the net-new logic is in `OverlayFile`, with the LMDB stuff being ported from other implementations or just delegating calls to other classes.

Reviewed By: kmancini

Differential Revision: D46914322

fbshipit-source-id: 3434b71c92ece6b94a3c08828df286b04152d50f
---
 build/fbcode_builder/CMake/FindLMDB.cmake | 19 +++++++++++++++++++
 build/fbcode_builder/manifests/eden       |  2 ++
 build/fbcode_builder/manifests/lmdb       | 17 +++++++++++++++++
 3 files changed, 38 insertions(+)
 create mode 100644 build/fbcode_builder/CMake/FindLMDB.cmake
 create mode 100644 build/fbcode_builder/manifests/lmdb

diff --git a/build/fbcode_builder/CMake/FindLMDB.cmake b/build/fbcode_builder/CMake/FindLMDB.cmake
new file mode 100644
index 00000000000..51635e36ee3
--- /dev/null
+++ b/build/fbcode_builder/CMake/FindLMDB.cmake
@@ -0,0 +1,19 @@
+# Copyright (c) Meta Platforms, Inc. and affiliates.
+#
+# This software may be used and distributed according to the terms of the
+# GNU General Public License version 2.
+
+find_library(LMDB_LIBRARIES NAMES lmdb liblmdb)
+mark_as_advanced(LMDB_LIBRARIES)
+
+find_path(LMDB_INCLUDE_DIR NAMES  lmdb.h)
+mark_as_advanced(LMDB_INCLUDE_DIR)
+
+find_package_handle_standard_args(
+     LMDB
+     REQUIRED_VARS LMDB_LIBRARIES LMDB_INCLUDE_DIR)
+
+if(LMDB_FOUND)
+  set(LMDB_LIBRARIES ${LMDB_LIBRARIES})
+  set(LMDB_INCLUDE_DIR, ${LMDB_INCLUDE_DIR})
+endif()
diff --git a/build/fbcode_builder/manifests/eden b/build/fbcode_builder/manifests/eden
index 4c32bf698a1..b8109360864 100644
--- a/build/fbcode_builder/manifests/eden
+++ b/build/fbcode_builder/manifests/eden
@@ -52,6 +52,8 @@ osxfuse
 libcurl
 # Added so that OSS doesn't see system "python" which is python 2 on darwin and some linux
 python
+# TODO: teach getdeps to compile lmdb on Windows.
+lmdb
 
 [shipit.pathmap.fb=on]
 # for internal builds that use getdeps
diff --git a/build/fbcode_builder/manifests/lmdb b/build/fbcode_builder/manifests/lmdb
new file mode 100644
index 00000000000..42ca0ab0749
--- /dev/null
+++ b/build/fbcode_builder/manifests/lmdb
@@ -0,0 +1,17 @@
+[manifest]
+name = lmdb
+
+[build]
+builder = make
+subdir = lmdb-LMDB_0.9.31/libraries/liblmdb
+
+[download]
+url = https://github.com/LMDB/lmdb/archive/refs/tags/LMDB_0.9.31.tar.gz
+sha256 = dd70a8c67807b3b8532b3e987b0a4e998962ecc28643e1af5ec77696b081c9b0
+
+[make.build_args]
+BUILD_STATIC_ONLY=y
+
+[make.install_args]
+install
+BUILD_STATIC_ONLY=y