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Fix build with CGAL 5.6 (again) (#6439)

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* Fix build with CGAL 5.6

Surface_mesh iterators no longer return references, so it's necessary to
use const references or copies when iterating.

This was previously merged in #3045 but isn't references in the
current main branch anymore. No idea where why it is gone, but the issue
still persists thus the patch should still be added.
This commit is contained in:
Andreas Rammhold 2024-08-18 05:34:15 +02:00 committed by GitHub
parent f136f04cfd
commit bf956dfbe3
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1 changed files with 2 additions and 2 deletions
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4
src/libslic3r/MeshBoolean.cpp
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@ -201,12 +201,12 @@ indexed_triangle_set cgal_to_indexed_triangle_set(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;