chore: update magic, netgen, cocotb (#33)

- cocotb to 2.0.0 (+ vhdl support on mac)
- netgen to 1.5.300
- magic to 8.3.554

Author: donn

flake.nix

@@ -62,7 +62,12 @@
           self.composePythonOverlay (pkgs': pkgs: pypkgs': pypkgs: let
             callPythonPackage = lib.callPackageWith (pkgs' // pypkgs');
           in {
-            cocotb = callPythonPackage ./nix/cocotb.nix {};
+            cocotb = callPythonPackage ./nix/cocotb.nix {
+              ghdl =
+                if (lib.lists.any (el: el == pkgs'.system) pkgs'.ghdl-bin.meta.platforms)
+                then pkgs'.ghdl-bin
+                else pkgs'.ghdl-llvm;
+            };
             kfactory = pypkgs.kfactory.overrideAttrs (attrs': attrs: {
               version = "1.9.3";
               src = pypkgs'.fetchPypi {

nix/cocotb.nix

@@ -1,5 +1,9 @@
 # Copyright (c) 2025 nix-eda Contributors
 #
+# Adapted from nixpkgs
+#
+# Copyright (c) 2003-2025 Eelco Dolstra and the Nixpkgs/NixOS contributors
+#
 # Permission is hereby granted, free of charge, to any person obtaining
 # a copy of this software and associated documentation files (the
 # "Software"), to deal in the Software without restriction, including
@@ -30,10 +34,10 @@
   swig,
   iverilog,
   ghdl,
-  stdenv,
+  zlib,
   # Metadata
-  version ? "1.9.2",
-  sha256 ? "sha256-7KCo7g2I1rfm8QDHRm3ZKloHwjDIICnJCF8KhaFdvqY=",
+  version ? "2.0.0",
+  sha256 ? "sha256-BpshczKA83ZeytGDrHEg6IAbI5FxciAUnzwE10hgPC0=",
 }: let
   self = buildPythonPackage {
     pname = "cocotb";
@@ -48,33 +52,20 @@
       inherit sha256;
     };
 
-    buildInputs = [setuptools];
+    buildInputs = [setuptools zlib];
     propagatedBuildInputs = [find-libpython];
 
     postPatch = ''
       patchShebangs bin/*.py
     '';
 
-    disabledTests =
-      [
-        "test_cocotb_parallel"
-        "test_cocotb"
-      ]
-      ++ (lib.lists.optionals (!stdenv.isLinux) ["test_vhdl"]);
-
-    nativeCheckInputs =
-      [
-        cocotb-bus
-        pytestCheckHook
-        swig
-        iverilog
-      ]
-      ++ (lib.lists.optionals stdenv.isLinux [ghdl]);
-
-    preCheck = ''
-      export PATH=$out/bin:$PATH
-      mv cocotb cocotb.hidden
-    '';
+    nativeCheckInputs = [
+      cocotb-bus
+      pytestCheckHook
+      swig
+      iverilog
+      ghdl
+    ];
 
     pythonImportsCheck = ["cocotb"];
 

nix/magic.nix

@@ -45,9 +45,9 @@
   cairo,
   python3,
   gnused,
-  version ? "8.3.528",
+  version ? "8.3.554",
   rev ? null,
-  sha256 ? "sha256-TcNzmWH3YAYmhU6E3Cru2bNjCazk+UAESrDjWvYBLfY=",
+  sha256 ? "sha256-5eGaQdLD3Z8GwnsC0esGldxcXLAW1vByldTPVFOf8a4=",
 }:
 clangStdenv.mkDerivation {
   pname = "magic-vlsi";

nix/netgen.nix

@@ -19,9 +19,9 @@
   tk,
   m4,
   python3,
-  version ? "1.5.295",
+  version ? "1.5.300",
   rev ? null,
-  sha256 ? "sha256-e/Vld5euQrm2oc9Ijs2CXWDmr3tfmnO3BTR8Co8la6E=",
+  sha256 ? "sha256-LM6u3ovhIwbHMWmQP/Ajde4f99mN0SHG+cuhrCAfQBs=",
 }:
 clangStdenv.mkDerivation {
   pname = "netgen";