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-rw-r--r--src/buildtool/build_engine/expression/expression_ptr.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/buildtool/build_engine/expression/expression_ptr.cpp b/src/buildtool/build_engine/expression/expression_ptr.cpp
index 0d3ce649..cd39c45e 100644
--- a/src/buildtool/build_engine/expression/expression_ptr.cpp
+++ b/src/buildtool/build_engine/expression/expression_ptr.cpp
@@ -14,6 +14,7 @@
#include "src/buildtool/build_engine/expression/expression_ptr.hpp"
+#include <compare>
#include <string>
#include <utility> // std::move