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lang/rust/files/riscv64/patch-src_bootstrap_native.rs
- This file was added.
| --- src/bootstrap/native.rs.orig 2021-11-29 19:27:11 UTC | |||||
| +++ src/bootstrap/native.rs | |||||
| @@ -248,9 +248,14 @@ impl Step for Llvm { | |||||
| } | |||||
| } | |||||
| - if target.starts_with("riscv") { | |||||
| - // In RISC-V, using C++ atomics require linking to `libatomic` but the LLVM build | |||||
| - // system check cannot detect this. Therefore it is set manually here. | |||||
| + if !target.contains("freebsd") && target.starts_with("riscv") { | |||||
| + // RISC-V GCC erroneously requires linking against | |||||
| + // `libatomic` when using 1-byte and 2-byte C++ | |||||
| + // atomics but the LLVM build system check cannot | |||||
| + // detect this. Therefore it is set manually here. | |||||
| + // FreeBSD uses Clang as its system compiler and | |||||
| + // provides no libatomic in its base system so does | |||||
| + // not want this. | |||||
| if !builder.config.llvm_tools_enabled { | |||||
| cfg.define("CMAKE_EXE_LINKER_FLAGS", "-latomic"); | |||||
| } else { | |||||