rustc_target/spec/base/
cygwin.rs

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

rustc_target/spec/base/
cygwin.rs
