Support deterministic builds by remapping the __FILE__ prefix if the compiler supports it.
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4
build.rs
4
build.rs
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@ -423,6 +423,10 @@ mod c {
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panic!("RUST_COMPILER_RT_ROOT={} does not exist", root.display());
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}
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// Support deterministic builds by remapping the __FILE__ prefix if the
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// compiler supports it.
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cfg.flag_if_supported(&format!("-ffile-prefix-map={}=.", root.display()));
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let src_dir = root.join("lib/builtins");
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for (sym, src) in sources.map.iter() {
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let src = src_dir.join(src);
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