use crate::spec::{LinkArgs, LinkerFlavor, TargetOptions};
use std::default::Default;

pub fn opts() -> TargetOptions {
    let mut pre_link_args = LinkArgs::new();
    pre_link_args.insert(LinkerFlavor::Gcc, vec![
            // Tell GCC to avoid linker plugins, because we are not bundling
            // them with Windows installer, and Rust does its own LTO anyways.
            "-fno-use-linker-plugin".to_string(),

            // Always enable DEP (NX bit) when it is available
            "-Wl,--nxcompat".to_string(),
        ]);

    let mut late_link_args = LinkArgs::new();
    late_link_args.insert(LinkerFlavor::Gcc, vec![
        //"-lwinstorecompat".to_string(),
        //"-lmingwex".to_string(),
        //"-lwinstorecompat".to_string(),
        "-lwinstorecompat".to_string(),
        "-lruntimeobject".to_string(),
        "-lsynchronization".to_string(),
        "-lvcruntime140_app".to_string(),
        "-lucrt".to_string(),
        "-lwindowsapp".to_string(),
        "-lmingwex".to_string(),
        "-lmingw32".to_string(),
    ]);

    TargetOptions {
        // FIXME(#13846) this should be enabled for windows
        function_sections: false,
        linker: Some("gcc".to_string()),
        dynamic_linking: true,
        executables: false,
        dll_prefix: String::new(),
        dll_suffix: ".dll".to_string(),
        exe_suffix: ".exe".to_string(),
        staticlib_prefix: "lib".to_string(),
        staticlib_suffix: ".a".to_string(),
        no_default_libraries: true,
        target_family: Some("windows".to_string()),
        is_like_windows: true,
        allows_weak_linkage: false,
        pre_link_args,
        pre_link_objects_exe: vec![
            "rsbegin.o".to_string(), // Rust compiler runtime initialization, see rsbegin.rs
        ],
        pre_link_objects_dll: vec![
            "rsbegin.o".to_string(),
        ],
        late_link_args,
        post_link_objects: vec![
            "rsend.o".to_string(),
        ],
        custom_unwind_resume: true,
        abi_return_struct_as_int: true,
        emit_debug_gdb_scripts: false,
        requires_uwtable: true,
        limit_rdylib_exports: false,

        .. Default::default()
    }
}