fix envvar CARGO_CFG_TARGET_ARCH set at runtime vs compile time
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@ -128,7 +128,7 @@ fn main() {
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// NCCL is slightly trickier because it might not have a pkgconfig installed
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// NCCL is slightly trickier because it might not have a pkgconfig installed
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let nccl_library_path = NCCL_ROOT_DIR.unwrap_or(&format!(
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let nccl_library_path = NCCL_ROOT_DIR.unwrap_or(&format!(
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"/usr/local/{}-linux-gnu",
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"/usr/local/{}-linux-gnu",
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env!("CARGO_CFG_TARGET_ARCH")
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env::var("CARGO_CFG_TARGET_ARCH").unwrap()
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));
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));
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println!(r"cargo:rustc-link-search=native={}", nccl_library_path);
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println!(r"cargo:rustc-link-search=native={}", nccl_library_path);
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println!("cargo:rustc-link-lib=dylib=nccl");
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println!("cargo:rustc-link-lib=dylib=nccl");
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