From 60270b0be261410e66cda73cc975e6b8a2ecd14d Mon Sep 17 00:00:00 2001
From: Emin <me@emin.chat>
Date: Mon, 2 Mar 2026 11:30:31 +0800
Subject: [PATCH] yosys: set YOSYS_PLUGIN_PATH

This allows `plugin -i slang.so` (and similar) to work in TCL scripts
without requiring an absolute path to the plugin.

Signed-off-by: Emin <me@emin.chat>
---
 pkgs/by-name/yo/yosys/package.nix | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pkgs/by-name/yo/yosys/package.nix b/pkgs/by-name/yo/yosys/package.nix
index 915812d9f7d0..5c2d4cb9c020 100644
--- a/pkgs/by-name/yo/yosys/package.nix
+++ b/pkgs/by-name/yo/yosys/package.nix
@@ -50,6 +50,7 @@ let
       postBuild = ''
         wrapProgram $out/bin/yosys \
           --set YOSYS_PATH $out/share/yosys \
+          --set YOSYS_PLUGIN_PATH ${pluginPath} \
           ${module_flags}
       '';
       meta.mainProgram = "yosys";