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Rollup merge of #90044 - rusticstuff:disable_arm_outline_atomics_for_musl, r=workingjubilee

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Restrict aarch64 outline atomics to glibc for now.

The introduced dependency on `getauxval` causes linking problems with musl, making compiling any binaries for `aarch64-unknown-linux-musl` impossible without workarounds such as using lld or adding liblibc.rlib again to the linker invocation, see #89626.

This is a workaround until libc>0.2.108 is merged.
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Guillaume Gomez 2021-11-24 22:56:36 +01:00 • committed by GitHub
commit cbe563a4d5
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6
compiler/rustc_target/src/spec/aarch64_unknown_linux_musl.rs
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@ -9,10 +9,6 @@ pub fn target() -> Target {
pointer_width: 64, pointer_width: 64,
data_layout: "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128".to_string(), data_layout: "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128".to_string(),
arch: "aarch64".to_string(), arch: "aarch64".to_string(),
options: TargetOptions { options: TargetOptions { mcount: "\u{1}_mcount".to_string(), ..base },
features: "+outline-atomics".to_string(),
mcount: "\u{1}_mcount".to_string(),
..base
},
} }
} }