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| author | Tobias Kortkamp <t@tobik.me> | 2021-12-03 18:48:53 +0100 |
|---|---|---|
| committer | Tobias Kortkamp <t@tobik.me> | 2021-12-03 18:49:42 +0100 |
| commit | e24045e5873a19690bda6a07a63912adfc375b13 (patch) | |
| tree | c028b0bebec814f894799a0ecd7b39a094e9dc34 /compiler/rustc_llvm/build.rs | |
| parent | 47474f10558a473258510b0e5dea13d607a5d34c (diff) | |
| download | rust-e24045e5873a19690bda6a07a63912adfc375b13.tar.gz rust-e24045e5873a19690bda6a07a63912adfc375b13.zip | |
Explain why libatomic is not needed on FreeBSD riscv64
From Jessica Clarke (jrtc27@)
Diffstat (limited to 'compiler/rustc_llvm/build.rs')
| -rw-r--r-- | compiler/rustc_llvm/build.rs | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/compiler/rustc_llvm/build.rs b/compiler/rustc_llvm/build.rs index 7f3345d2a70..3b6808d693f 100644 --- a/compiler/rustc_llvm/build.rs +++ b/compiler/rustc_llvm/build.rs @@ -276,7 +276,10 @@ fn main() { "stdc++" }; - // RISC-V requires libatomic for sub-word atomic operations + // RISC-V GCC erroneously requires libatomic for sub-word + // atomic operations. FreeBSD uses Clang as its system + // compiler and provides no libatomic in its base system so + // does not want this. if !target.contains("freebsd") && target.starts_with("riscv") { println!("cargo:rustc-link-lib=atomic"); } |