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use std::borrow::Cow;
use crate::spec::{
BinaryFormat, Cc, DebuginfoKind, LinkerFlavor, Lld, SplitDebuginfo, TargetOptions, TlsModel,
cvs,
};
pub(crate) fn opts() -> TargetOptions {
let mut pre_link_args = TargetOptions::link_args(
LinkerFlavor::Gnu(Cc::No, Lld::No),
&["--disable-dynamicbase", "--enable-auto-image-base"],
);
crate::spec::add_link_args(
&mut pre_link_args,
LinkerFlavor::Gnu(Cc::Yes, Lld::No),
&["-Wl,--disable-dynamicbase", "-Wl,--enable-auto-image-base"],
);
let cygwin_libs = &["-lcygwin", "-lgcc", "-lcygwin", "-luser32", "-lkernel32", "-lgcc_s"];
let mut late_link_args =
TargetOptions::link_args(LinkerFlavor::Gnu(Cc::No, Lld::No), cygwin_libs);
crate::spec::add_link_args(
&mut late_link_args,
LinkerFlavor::Gnu(Cc::Yes, Lld::No),
cygwin_libs,
);
TargetOptions {
os: "cygwin".into(),
vendor: "pc".into(),
// FIXME(#13846) this should be enabled for cygwin
function_sections: false,
linker: Some("gcc".into()),
dynamic_linking: true,
dll_prefix: "".into(),
dll_suffix: ".dll".into(),
exe_suffix: ".exe".into(),
families: cvs!["unix"],
is_like_windows: true,
binary_format: BinaryFormat::Coff,
allows_weak_linkage: false,
pre_link_args,
late_link_args,
abi_return_struct_as_int: true,
emit_debug_gdb_scripts: false,
requires_uwtable: true,
eh_frame_header: false,
debuginfo_kind: DebuginfoKind::Dwarf,
supported_split_debuginfo: Cow::Borrowed(&[SplitDebuginfo::Off]),
tls_model: TlsModel::Emulated,
has_thread_local: true,
..Default::default()
}
}
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