src/librustc_target/spec/vxworks_base.rs

   1 use crate::spec::{LinkArgs, LinkerFlavor, TargetOptions};
   2
   3 pub fn opts() -> TargetOptions {
   4     let mut args = LinkArgs::new();
   5     args.insert(
   6         LinkerFlavor::Gcc,
   7         vec![
   8             // We want to be able to strip as much executable code as possible
   9             // from the linker command line, and this flag indicates to the
  10             // linker that it can avoid linking in dynamic libraries that don't
  11             // actually satisfy any symbols up to that point (as with many other
  12             // resolutions the linker does). This option only applies to all
  13             // following libraries so we're sure to pass it as one of the first
  14             // arguments.
  15             "-Wl,--as-needed".to_string(),
  16         ],
  17     );
  18
  19     TargetOptions {
  20         linker: Some("wr-c++".to_string()),
  21         exe_suffix: ".vxe".to_string(),
  22         dynamic_linking: true,
  23         executables: true,
  24         target_family: Some("unix".to_string()),
  25         linker_is_gnu: true,
  26         has_rpath: true,
  27         pre_link_args: args,
  28         position_independent_executables: false,
  29         has_elf_tls: true,
  30         crt_static_default: true,
  31         crt_static_respected: true,
  32         crt_static_allows_dylibs: true,
  33         // VxWorks needs to implement this to support profiling
  34         target_mcount: "_mcount".to_string(),
  35         ..Default::default()
  36     }
  37 }