rustc_target/spec/base/
cygwin.rs

1use std::borrow::Cow;
2
3use crate::spec::{
4    BinaryFormat, Cc, DebuginfoKind, LinkerFlavor, Lld, SplitDebuginfo, TargetOptions, TlsModel,
5    cvs,
6};
7
8pub(crate) fn opts() -> TargetOptions {
9    let mut pre_link_args = TargetOptions::link_args(
10        LinkerFlavor::Gnu(Cc::No, Lld::No),
11        &["--disable-dynamicbase", "--enable-auto-image-base"],
12    );
13    crate::spec::add_link_args(
14        &mut pre_link_args,
15        LinkerFlavor::Gnu(Cc::Yes, Lld::No),
16        &["-Wl,--disable-dynamicbase", "-Wl,--enable-auto-image-base"],
17    );
18    let cygwin_libs = &["-lcygwin", "-lgcc", "-lcygwin", "-luser32", "-lkernel32", "-lgcc_s"];
19    let mut late_link_args =
20        TargetOptions::link_args(LinkerFlavor::Gnu(Cc::No, Lld::No), cygwin_libs);
21    crate::spec::add_link_args(
22        &mut late_link_args,
23        LinkerFlavor::Gnu(Cc::Yes, Lld::No),
24        cygwin_libs,
25    );
26    TargetOptions {
27        os: "cygwin".into(),
28        vendor: "pc".into(),
29        // FIXME(#13846) this should be enabled for cygwin
30        function_sections: false,
31        linker: Some("gcc".into()),
32        dynamic_linking: true,
33        dll_prefix: "".into(),
34        dll_suffix: ".dll".into(),
35        exe_suffix: ".exe".into(),
36        families: cvs!["unix"],
37        is_like_windows: true,
38        binary_format: BinaryFormat::Coff,
39        allows_weak_linkage: false,
40        pre_link_args,
41        late_link_args,
42        abi_return_struct_as_int: true,
43        emit_debug_gdb_scripts: false,
44        requires_uwtable: true,
45        eh_frame_header: false,
46        debuginfo_kind: DebuginfoKind::Dwarf,
47        supported_split_debuginfo: Cow::Borrowed(&[SplitDebuginfo::Off]),
48        tls_model: TlsModel::Emulated,
49        has_thread_local: true,
50        ..Default::default()
51    }
52}
rustc_target/spec/base/cygwin.rs

rustc_target/spec/base/
cygwin.rs
