compiler/rustc_target/src/spec/freebsd_base.rs

   1 use crate::spec::{LinkArgs, LinkerFlavor, RelroLevel, TargetOptions};
   2
   3 pub fn opts() -> TargetOptions {
   4     let mut args = LinkArgs::new();
   5     args.insert(
   6         LinkerFlavor::Gcc,
   7         vec![
   8             // GNU-style linkers will use this to omit linking to libraries
   9             // which don't actually fulfill any relocations, but only for
  10             // libraries which follow this flag.  Thus, use it before
  11             // specifying libraries to link to.
  12             "-Wl,--as-needed".to_string(),
  13             // Always enable NX protection when it is available
  14             "-Wl,-z,noexecstack".to_string(),
  15         ],
  16     );
  17
  18     TargetOptions {
  19         os: "freebsd".to_string(),
  20         dynamic_linking: true,
  21         executables: true,
  22         os_family: Some("unix".to_string()),
  23         linker_is_gnu: true,
  24         has_rpath: true,
  25         pre_link_args: args,
  26         position_independent_executables: true,
  27         eliminate_frame_pointer: false, // FIXME 43575
  28         relro_level: RelroLevel::Full,
  29         abi_return_struct_as_int: true,
  30         dwarf_version: Some(2),
  31         ..Default::default()
  32     }
  33 }