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Fix build error with CGAL 5.6 with -std=gnu++17 on Fedora (#3045)

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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 commit is contained in:
Jim Broadus
2023-12-09 01:14:20 -08:00
committed by GitHub
parent a8f69377df
commit 325009bc48
1 changed files with 2 additions and 2 deletions
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4
src/libslic3r/MeshBoolean.cpp
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@@ -200,12 +200,12 @@ indexed_triangle_set cgal_to_indexed_triangle_set(const _Mesh &cgalmesh)
const auto &vertices = cgalmesh.vertices(); const auto &vertices = cgalmesh.vertices();
int vsize = int(vertices.size()); int vsize = int(vertices.size());
for (auto &vi : vertices) { for (const auto &vi : vertices) {
auto &v = cgalmesh.point(vi); // Don't ask... auto &v = cgalmesh.point(vi); // Don't ask...
its.vertices.emplace_back(to_vec3f(v)); 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)); auto vtc = cgalmesh.vertices_around_face(cgalmesh.halfedge(face));
int i = 0; int i = 0;