From d8b8cc5a0785d4e994f25a573a93178f56bea7ce Mon Sep 17 00:00:00 2001
From: Amandus Krantz <krantz.amandus@protonmail.com>
Date: Tue, 2 Apr 2024 16:05:18 +0200
Subject: [PATCH] super-slicer: fix build (#298652)

cgal bump in #292492 broke the build
---
 .../misc/prusa-slicer/meshboolean-const.patch | 19 +++++++++++++++++++
 .../misc/prusa-slicer/super-slicer.nix        |  1 +
 2 files changed, 20 insertions(+)
 create mode 100644 pkgs/applications/misc/prusa-slicer/meshboolean-const.patch

diff --git a/pkgs/applications/misc/prusa-slicer/meshboolean-const.patch b/pkgs/applications/misc/prusa-slicer/meshboolean-const.patch
new file mode 100644
index 000000000000..7013314779d4
--- /dev/null
+++ b/pkgs/applications/misc/prusa-slicer/meshboolean-const.patch
@@ -0,0 +1,19 @@
+diff --git a/src/libslic3r/MeshBoolean.cpp b/src/libslic3r/MeshBoolean.cpp
+index 31fdc35..32acbf8 100644
+--- a/src/libslic3r/MeshBoolean.cpp
++++ b/src/libslic3r/MeshBoolean.cpp
+@@ -147,12 +147,12 @@ template<class _Mesh> TriangleMesh cgal_to_triangle_mesh(const _Mesh &cgalmesh)
+     const auto &vertices = cgalmesh.vertices();
+     int vsize = int(vertices.size());
+ 
+-    for (auto &vi : vertices) {
++    for (const auto &vi : vertices) {
+         auto &v = cgalmesh.point(vi); // Don't ask...
+         its.vertices.emplace_back(to_vec3f(v));
+     }
+ 
+-    for (auto &face : faces) {
++    for (const auto &face : faces) {
+         auto vtc = cgalmesh.vertices_around_face(cgalmesh.halfedge(face));
+ 
+         int i = 0;
diff --git a/pkgs/applications/misc/prusa-slicer/super-slicer.nix b/pkgs/applications/misc/prusa-slicer/super-slicer.nix
index 63e547619696..218fe6f96bf3 100644
--- a/pkgs/applications/misc/prusa-slicer/super-slicer.nix
+++ b/pkgs/applications/misc/prusa-slicer/super-slicer.nix
@@ -16,6 +16,7 @@ let
       ];
       sha256 = "sha256-v0q2MhySayij7+qBTE5q01IOq/DyUcWnjpbzB/AV34c=";
     })
+    ./meshboolean-const.patch
   ];
 
   versions = {