fn main() {
if let rustc_version::Channel::Nightly = rustc_version::version_meta()
.expect("query rustc release channel")
.channel
{
for feature in &[
"can_vector", // https://github.com/rust-lang/rust/issues/69941
"clamp", // https://github.com/rust-lang/rust/issues/44095
"extend_one", // https://github.com/rust-lang/rust/issues/72631
"open_options_ext_as_flags", // https://github.com/rust-lang/rust/issues/76801
"pattern", // https://github.com/rust-lang/rust/issues/27721
"read_initializer", // https://github.com/rust-lang/rust/issues/42788
"seek_convenience", // https://github.com/rust-lang/rust/issues/59359
"shrink_to", // https://github.com/rust-lang/rust/issues/56431
"toowned_clone_into", // https://github.com/rust-lang/rust/issues/41263
"try_reserve", // https://github.com/rust-lang/rust/issues/56431
"unix_socket_peek", // https://github.com/rust-lang/rust/issues/76923
"windows_by_handle", // https://github.com/rust-lang/rust/issues/63010
"with_options", // https://github.com/rust-lang/rust/issues/65439
"write_all_vectored", // https://github.com/rust-lang/rust/issues/70436
// https://doc.rust-lang.org/unstable-book/library-features/windows-file-type-ext.html
"windows_file_type_ext",
] {
println!("cargo:rustc-cfg={}", feature);
}
}
// Don't rerun this on changes other than build.rs, as we only depend on
// the rustc version.
println!("cargo:rerun-if-changed=build.rs");
}