switch from conda to nix for tooling

2026-09-04 16:51:40 +02:00 · 2026-05-11 10:44:24 -07:00
parent f2db9fe2de
commit cbd2bd7c2e
17 changed files with 178 additions and 174 deletions
@@ -0,0 +1,48 @@
+{
+  description = "OpenRAM development environment (Nix)";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+  };
+
+  outputs = { self, nixpkgs }:
+    let
+      systems = [ "x86_64-linux" ];
+      forAllSystems = f: nixpkgs.lib.genAttrs systems (system: f system);
+    in
+    {
+      devShells = forAllSystems (system:
+        let
+          pkgs = import nixpkgs { inherit system; };
+        in
+        {
+          default = pkgs.mkShell {
+            packages = [
+              # EDA / verification tools
+              pkgs.klayout
+              pkgs.magic-vlsi
+              # Use the LVS-focused netgen package; the generic netgen package
+              # may require a local build that can fail on some hosts.
+              pkgs.netgen-vlsi
+              pkgs.ngspice
+              pkgs.iverilog
+              pkgs.xyce
+              pkgs.xyce-parallel
+              pkgs.trilinos
+              pkgs.trilinos-mpi
+
+              # Dev conveniences
+              pkgs.git
+              pkgs.gnumake
+              pkgs.curl
+            ];
+
+            shellHook = ''
+              export OPENRAM_USE_CONDA=0
+              echo "OpenRAM: using tools from Nix devShell"
+            '';
+          };
+        });
+    };
+}
+