From c2172a75745b4a082bc4c600251f858671cfb41f Mon Sep 17 00:00:00 2001
From: Guilhem Saurel <guilhem.saurel@laas.fr>
Date: Fri, 24 Oct 2025 19:43:32 +0200
Subject: [PATCH] openscad-unstable: fix use of our lib3mf cmake export

---
 pkgs/by-name/op/openscad-unstable/package.nix | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/pkgs/by-name/op/openscad-unstable/package.nix b/pkgs/by-name/op/openscad-unstable/package.nix
index b5d73abc4b0e..7f64438b8078 100644
--- a/pkgs/by-name/op/openscad-unstable/package.nix
+++ b/pkgs/by-name/op/openscad-unstable/package.nix
@@ -57,6 +57,13 @@ clangStdenv.mkDerivation rec {
 
   patches = [ ./test.diff ];
 
+  # fix use of our lib3mf cmake export instead of finder
+  postPatch = ''
+    substituteInPlace CMakeLists.txt --replace-fail \
+      "Lib3MF" \
+      "lib3mf"
+  '';
+
   nativeBuildInputs = [
     (python3.withPackages (
       ps: with ps; [