97ba4c95d0
This behavior matches clang's behavior, and makes cross-language LTO possible. Fixes #60235.
34 lines
1.2 KiB
Rust
34 lines
1.2 KiB
Rust
use crate::spec::{LinkerFlavor, Target, TargetOptions, TargetResult};
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pub fn target() -> TargetResult {
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let mut base = super::apple_base::opts();
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base.cpu = "core2".to_string();
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base.max_atomic_width = Some(128); // core2 support cmpxchg16b
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base.eliminate_frame_pointer = false;
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base.pre_link_args.insert(LinkerFlavor::Gcc, vec!["-m64".to_string()]);
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base.stack_probes = true;
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// Clang automatically chooses a more specific target based on
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// MACOSX_DEPLOYMENT_TARGET. To enable cross-language LTO to work
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// correctly, we do too.
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let arch = "x86_64";
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let llvm_target = super::apple_base::macos_llvm_target(&arch);
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Ok(Target {
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llvm_target: llvm_target,
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target_endian: "little".to_string(),
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target_pointer_width: "64".to_string(),
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target_c_int_width: "32".to_string(),
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data_layout: "e-m:o-i64:64-f80:128-n8:16:32:64-S128".to_string(),
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arch: arch.to_string(),
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target_os: "macos".to_string(),
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target_env: String::new(),
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target_vendor: "apple".to_string(),
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linker_flavor: LinkerFlavor::Gcc,
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options: TargetOptions {
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target_mcount: "\u{1}mcount".to_string(),
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.. base
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},
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})
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}
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