From 1957d682473ee67f96ace3ce3320c89b77aec8ae Mon Sep 17 00:00:00 2001
From: chn <chn@chn.moe>
Date: Thu, 28 Sep 2023 10:06:06 +0800
Subject: [PATCH] add eigen

---
 local/pkgs/default.nix       |  1 +
 local/pkgs/eigen/default.nix | 12 ++++++++++++
 2 files changed, 13 insertions(+)
 create mode 100644 local/pkgs/eigen/default.nix

diff --git a/local/pkgs/default.nix b/local/pkgs/default.nix
index fb7fa9e8..4e55d60a 100644
--- a/local/pkgs/default.nix
+++ b/local/pkgs/default.nix
@@ -30,4 +30,5 @@
   nodesoup = callPackage ./nodesoup {};
   matplotplusplus = callPackage ./matplotplusplus { inherit nodesoup; };
   zpp-bits = callPackage ./zpp-bits {};
+  eigen = callPackage ./eigen {};
 }
diff --git a/local/pkgs/eigen/default.nix b/local/pkgs/eigen/default.nix
new file mode 100644
index 00000000..f7fed7ae
--- /dev/null
+++ b/local/pkgs/eigen/default.nix
@@ -0,0 +1,12 @@
+{ lib, stdenv, fetchFromGitLab, cmake }: stdenv.mkDerivation rec
+{
+  name = "eigen";
+  src = fetchFromGitLab
+  {
+    owner = "libeigen";
+    repo = name;
+    rev = "6d829e766ff1b1ab867d93631163cbc63ed5798f";
+    sha256 = "BXUnizcRPrOyiPpoyYJ4VVOjlG49aj80mgzPKmEYPKU=";
+  };
+  nativeBuildInputs = [ cmake ];
+}