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// Copyright 2014 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 target::TargetOptions; use std::default::Default; pub fn opts() -> TargetOptions { TargetOptions { dynamic_linking: true, executables: true, target_family: Some("unix".to_string()), linker_is_gnu: true, has_rpath: true, pre_link_args: vec![ // We want to be able to strip as much executable code as possible // from the linker command line, and this flag indicates to the // linker that it can avoid linking in dynamic libraries that don't // actually satisfy any symbols up to that point (as with many other // resolutions the linker does). This option only applies to all // following libraries so we're sure to pass it as one of the first // arguments. "-Wl,--as-needed".to_string(), // Always enable NX protection when it is available "-Wl,-z,noexecstack".to_string(), ], position_independent_executables: true, exe_allocation_crate: super::maybe_jemalloc(), has_elf_tls: true, .. Default::default() } }