From 6e7c87e6f3e19c9d1ad405cda8bd654172b959e2 Mon Sep 17 00:00:00 2001
From: Martin Weinelt <hexa@darmstadt.ccc.de>
Date: Sat, 27 Jul 2024 14:34:44 +0200
Subject: [PATCH] flatbuffers_23: init at 23.5.26

Required at least for onnxruntime, which asserts hard on this version.
---
 pkgs/development/libraries/flatbuffers/23.nix | 47 +++++++++++++++++++
 pkgs/top-level/all-packages.nix               |  1 +
 2 files changed, 48 insertions(+)
 create mode 100644 pkgs/development/libraries/flatbuffers/23.nix

diff --git a/pkgs/development/libraries/flatbuffers/23.nix b/pkgs/development/libraries/flatbuffers/23.nix
new file mode 100644
index 000000000000..5263694b0562
--- /dev/null
+++ b/pkgs/development/libraries/flatbuffers/23.nix
@@ -0,0 +1,47 @@
+{
+  lib,
+  stdenv,
+  fetchFromGitHub,
+  cmake,
+  python3,
+}:
+
+stdenv.mkDerivation rec {
+  pname = "flatbuffers";
+  version = "23.5.26";
+
+  src = fetchFromGitHub {
+    owner = "google";
+    repo = "flatbuffers";
+    rev = "v${version}";
+    hash = "sha256-e+dNPNbCHYDXUS/W+hMqf/37fhVgEGzId6rhP3cToTE=";
+  };
+
+  nativeBuildInputs = [
+    cmake
+    python3
+  ];
+
+  cmakeFlags = [
+    "-DFLATBUFFERS_BUILD_TESTS=${if doCheck then "ON" else "OFF"}"
+    "-DFLATBUFFERS_OSX_BUILD_UNIVERSAL=OFF"
+  ];
+
+  doCheck = stdenv.hostPlatform == stdenv.buildPlatform;
+  checkTarget = "test";
+
+  meta = with lib; {
+    description = "Memory Efficient Serialization Library";
+    longDescription = ''
+      FlatBuffers is an efficient cross platform serialization library for
+      games and other memory constrained apps. It allows you to directly
+      access serialized data without unpacking/parsing it first, while still
+      having great forwards/backwards compatibility.
+    '';
+    homepage = "https://google.github.io/flatbuffers/";
+    license = licenses.asl20;
+    maintainers = [ maintainers.teh ];
+    mainProgram = "flatc";
+    platforms = platforms.unix;
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 3462d27600c0..772530b9b5d5 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -23563,6 +23563,7 @@ with pkgs;
   protozero = callPackage ../development/libraries/protozero { };
 
   flatbuffers = callPackage ../development/libraries/flatbuffers { };
+  flatbuffers_23 = callPackage ../development/libraries/flatbuffers/23.nix { };
 
   nanopbMalloc = callPackage ../by-name/na/nanopb/package.nix { enableMalloc = true; };