kou commented on code in PR #49091:
URL: https://github.com/apache/arrow/pull/49091#discussion_r2749246877
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cpp/src/gandiva/engine.cc:
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@@ -230,7 +230,11 @@ Result<std::unique_ptr<llvm::orc::LLJIT>> BuildJIT(
#endif
jit_builder.setJITTargetMachineBuilder(std::move(jtmb));
+#if LLVM_VERSION_MAJOR >= 16
jit_builder.setDataLayout(std::make_optional(data_layout));
+#else
+ jit_builder.setDataLayout(llvm::Optional<llvm::DataLayout>(data_layout));
+#endif
Review Comment:
This may work:
```suggestion
jit_builder.setDataLayout(data_layout);
```
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