36 lines
1.3 KiB
Rust
36 lines
1.3 KiB
Rust
use crate::spec::{LinkArgs, LinkerFlavor, RelroLevel, TargetOptions};
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pub fn opts() -> TargetOptions {
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let mut args = LinkArgs::new();
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args.insert(
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LinkerFlavor::Gcc,
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vec![
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// We want to be able to strip as much executable code as possible
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// from the linker command line, and this flag indicates to the
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// linker that it can avoid linking in dynamic libraries that don't
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// actually satisfy any symbols up to that point (as with many other
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// resolutions the linker does). This option only applies to all
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// following libraries so we're sure to pass it as one of the first
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// arguments.
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"-Wl,--as-needed".to_string(),
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// Always enable NX protection when it is available
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"-Wl,-z,noexecstack".to_string(),
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],
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);
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TargetOptions {
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os: "linux".to_string(),
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dynamic_linking: true,
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executables: true,
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os_family: Some("unix".to_string()),
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linker_is_gnu: true,
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has_rpath: true,
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pre_link_args: args,
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position_independent_executables: true,
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relro_level: RelroLevel::Full,
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has_elf_tls: true,
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crt_static_respected: true,
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..Default::default()
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}
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}
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