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Merge pull request #350 from rjsberry/fix-aarch64-llsc

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Fix pool (mis)compile on AArch64
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Alex Martens 2023-10-20 23:33:08 +00:00 committed by GitHub
commit 7d3282b838
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1 changed files with 7 additions and 3 deletions
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10
build.rs
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@ -88,9 +88,13 @@ fn main() -> Result<(), Box<dyn Error>> {
}
}
match compile_probe(ARM_LLSC_PROBE) {
Some(status) if status.success() => println!("cargo:rustc-cfg=arm_llsc"),
_ => {}
// AArch64 instruction set contains `clrex` but not `ldrex` or `strex`; the
// probe will succeed when we already know to deny this target from LLSC.
if !target.starts_with("aarch64") {
match compile_probe(ARM_LLSC_PROBE) {
Some(status) if status.success() => println!("cargo:rustc-cfg=arm_llsc"),
_ => {}
}
}
Ok(())