use crate::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,
        pre_link_args: args,
        position_independent_executables: true,
        relro_level: RelroLevel::Full,
        .. Default::default()
    }
}