From dea1f83cc2710dcdbe32ca24f3d02d80b60032d5 Mon Sep 17 00:00:00 2001
From: fpi
Date: Fri, 29 Mar 2024 13:42:50 +0100
Subject: Add netgen

---
 flake.lock | 17 +++++++++++++++++
 flake.nix  | 21 ++++++++++++++++++++-
 2 files changed, 37 insertions(+), 1 deletion(-)

diff --git a/flake.lock b/flake.lock
index 2d3b53b..2f69647 100644
--- a/flake.lock
+++ b/flake.lock
@@ -128,6 +128,22 @@
         "type": "github"
       }
     },
+    "netgen": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1709605569,
+        "narHash": "sha256-ANyKOJpmeNI47MkUolqx9k3sGfiWTqYg0zi9JqTDLSI=",
+        "ref": "refs/heads/master",
+        "rev": "035fef5c724b32d86ffd66361212db9719eac54a",
+        "revCount": 559,
+        "type": "git",
+        "url": "git://opencircuitdesign.com/netgen"
+      },
+      "original": {
+        "type": "git",
+        "url": "git://opencircuitdesign.com/netgen"
+      }
+    },
     "nixpkgs": {
       "locked": {
         "lastModified": 1711523803,
@@ -174,6 +190,7 @@
     "root": {
       "inputs": {
         "cicsim": "cicsim",
+        "netgen": "netgen",
         "nixpkgs": "nixpkgs",
         "open_pdks": "open_pdks"
       }
diff --git a/flake.nix b/flake.nix
index c18b158..a7b03be 100644
--- a/flake.nix
+++ b/flake.nix
@@ -8,18 +8,36 @@
 			url = "github:fpiper/open_pdks-flake";
 			inputs.nixpkgs.follows = "nixpkgs";
 		};
+		netgen = {
+			url = "git://opencircuitdesign.com/netgen";
+			flake = false;
+		};
 		cicsim = {
 			url = "github:wulffern/cicsim";
 			flake = false;
 		};
 	};
 
-	outputs = { self, nixpkgs, open_pdks, cicsim }:
+	outputs = { self, nixpkgs, open_pdks, netgen, cicsim }:
 		let
 			pkgs = import nixpkgs {
 				system = "x86_64-linux";
 			};
 		in {
+			packages.x86_64-linux.netgen =
+				let pkgs = import nixpkgs {
+							system = "x86_64-linux";
+						};
+				in pkgs.stdenv.mkDerivation rec {
+					name = "netgen";
+					src = netgen;
+					buildInputs = [ pkgs.tk pkgs.tcl pkgs.python3 ];
+					configureFlags = [
+						"--with-tcl=${pkgs.tcl}"
+						"--with-tk=${pkgs.tk}"
+					];
+					enableParallelBuildung = true;
+				};
 			packages.x86_64-linux.cicsim =
 				let pkgs = import nixpkgs {
 							system = "x86_64-linux";
@@ -61,6 +79,7 @@
 				export PDK_ROOT="${open_pdks.outputs.packages.x86_64-linux.open_pdks}/pdk"
 				'';
 				packages = [
+					self.packages.x86_64-linux.netgen
 					pkgs.ngspice
 					pkgs.magic-vlsi
 					pkgs.xschem
-- 
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