From cda80cdd0b483ffe664b068acd6bc95c78e0b019 Mon Sep 17 00:00:00 2001
From: Filip Sykala <filip.sykala@prusa3d.cz>
Date: Mon, 26 Apr 2021 14:29:12 +0200
Subject: [PATCH] Fix: Mac os build

../src/libslic3r/SLA/SupportIslands/ExpandNeighbor.cpp:23:63: error: 'value' is unavailable: introduced in macOS 10.14
---
 src/libslic3r/SLA/SupportIslands/ExpandNeighbor.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/libslic3r/SLA/SupportIslands/ExpandNeighbor.cpp b/src/libslic3r/SLA/SupportIslands/ExpandNeighbor.cpp
index df46546ec1..aacef93809 100644
--- a/src/libslic3r/SLA/SupportIslands/ExpandNeighbor.cpp
+++ b/src/libslic3r/SLA/SupportIslands/ExpandNeighbor.cpp
@@ -20,7 +20,7 @@ void ExpandNeighbor::process(CallStack &call_stack)
     if (circle_opt.has_value()) {
         size_t circle_index = data.result.circles.size();
         data.circle_indexes.push_back(circle_index);
-        data.result.circles.emplace_back(std::move(circle_opt.value()));
+        data.result.circles.push_back(circle_opt.value());
         return;
     }