23 lines
863 B
Rust
23 lines
863 B
Rust
// SPDX-FileCopyrightText: Copyright (c) 2025-2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
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// SPDX-License-Identifier: Apache-2.0
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//! Build script for dynamo-py3.
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//!
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//! On macOS, nixl-sys unconditionally links `-lstdc++` which doesn't exist
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//! (macOS uses libc++). We create an empty static archive to satisfy the
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//! linker since libc++ is already linked.
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fn main() {
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#[cfg(target_os = "macos")]
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{
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let out_dir = std::env::var("OUT_DIR").unwrap();
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let lib_path = format!("{}/libstdc++.a", out_dir);
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// Write a minimal valid static archive (just the magic header).
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// macOS `ar` refuses to create an empty archive, so write it directly.
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std::fs::write(&lib_path, b"!<arch>\n").expect("failed to create empty libstdc++.a");
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println!("cargo:rustc-link-search=native={}", out_dir);
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}
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}
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