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Revert setting a default for the MACOSX_DEPLOYMENT_TARGET env var for linking #91870

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Dec 15, 2021
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Revert setting a default for the MACOSX_DEPLOYMENT_TARGET env var for linking #91870

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1 change: 0 additions & 1 deletion compiler/rustc_target/src/spec/aarch64_apple_darwin.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -9,7 +9,6 @@ pub fn target() -> Target {
base.supported_sanitizers = SanitizerSet::ADDRESS | SanitizerSet::CFI | SanitizerSet::THREAD;

base.pre_link_args.insert(LinkerFlavor::Gcc, vec!["-arch".to_string(), "arm64".to_string()]);
base.link_env.extend(super::apple_base::macos_link_env("arm64"));
base.link_env_remove.extend(super::apple_base::macos_link_env_remove());

// Clang automatically chooses a more specific target based on
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12 changes: 0 additions & 12 deletions compiler/rustc_target/src/spec/apple_base.rs
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Expand Up @@ -79,18 +79,6 @@ pub fn macos_llvm_target(arch: &str) -> String {
format!("{}-apple-macosx{}.{}.0", arch, major, minor)
}

pub fn macos_link_env(arch: &str) -> Vec<(String, String)> {
// Use the default deployment target for linking just as with the LLVM target if not
// specified via MACOSX_DEPLOYMENT_TARGET, otherwise the system linker would use its
// default which varies with Xcode version.
if env::var("MACOSX_DEPLOYMENT_TARGET").is_err() {
let default = macos_default_deployment_target(arch);
vec![("MACOSX_DEPLOYMENT_TARGET".to_string(), format!("{}.{}", default.0, default.1))]
} else {
vec![]
}
}

pub fn macos_link_env_remove() -> Vec<String> {
let mut env_remove = Vec::with_capacity(2);
// Remove the `SDKROOT` environment variable if it's clearly set for the wrong platform, which
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1 change: 0 additions & 1 deletion compiler/rustc_target/src/spec/i686_apple_darwin.rs
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Expand Up @@ -5,7 +5,6 @@ pub fn target() -> Target {
base.cpu = "yonah".to_string();
base.max_atomic_width = Some(64);
base.pre_link_args.insert(LinkerFlavor::Gcc, vec!["-m32".to_string()]);
base.link_env.extend(super::apple_base::macos_link_env("i686"));
base.link_env_remove.extend(super::apple_base::macos_link_env_remove());
// don't use probe-stack=inline-asm until rust#83139 and rust#84667 are resolved
base.stack_probes = StackProbeType::Call;
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1 change: 0 additions & 1 deletion compiler/rustc_target/src/spec/x86_64_apple_darwin.rs
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Expand Up @@ -10,7 +10,6 @@ pub fn target() -> Target {
LinkerFlavor::Gcc,
vec!["-m64".to_string(), "-arch".to_string(), "x86_64".to_string()],
);
base.link_env.extend(super::apple_base::macos_link_env("x86_64"));
base.link_env_remove.extend(super::apple_base::macos_link_env_remove());
// don't use probe-stack=inline-asm until rust#83139 and rust#84667 are resolved
base.stack_probes = StackProbeType::Call;
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