From 2f8f9bc2e39fb8e9f8451637c617b73f2fb65ce0 Mon Sep 17 00:00:00 2001
From: Jesse Cirimelli-Low <jcirimel@ucsc.edu>
Date: Mon, 4 May 2026 16:56:27 -0700
Subject: [PATCH] use python venv so we can still run make library

---
 flake.nix | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/flake.nix b/flake.nix
index 8c6fcee2..d3af291b 100644
--- a/flake.nix
+++ b/flake.nix
@@ -17,6 +17,12 @@
         in
         {
           default = pkgs.mkShell {
+            # Pip wheels (e.g. numpy in .venv) need common shared libs at runtime on Nix.
+            LD_LIBRARY_PATH = pkgs.lib.makeLibraryPath [
+              pkgs.stdenv.cc.cc.lib
+              pkgs.zlib
+            ];
+
             packages = [
               # FOSSI PDK ciel (nixpkgs `ciel` is unrelated: AOSC ciel-rs, wants root)
               pkgs.pdk-ciel