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// Copyright 2014-2015 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
use spec::{LinkArgs, LinkerFlavor, TargetOptions, RelroLevel};
use std::default::Default;
pub fn opts() -> TargetOptions {
let mut args = LinkArgs::new();
args.insert(LinkerFlavor::Gcc, vec![
// GNU-style linkers will use this to omit linking to libraries
// which don't actually fulfill any relocations, but only for
// libraries which follow this flag. Thus, use it before
// specifying libraries to link to.
"-Wl,--as-needed".to_string(),
// Always enable NX protection when it is available
"-Wl,-z,noexecstack".to_string(),
]);
TargetOptions {
dynamic_linking: true,
executables: true,
target_family: Some("unix".to_string()),
linker_is_gnu: true,
has_rpath: true,
abi_return_struct_as_int: true,
pre_link_args: args,
position_independent_executables: true,
eliminate_frame_pointer: false, // FIXME 43575
relro_level: RelroLevel::Full,
.. Default::default()
}
}