third_party_rust_memoffset/build.rs
Gilad Naaman 923a5f2386 Automatically enable const evaluation
When running on a compiler newer than 1.65,
automatically enable usage of the macro in const contexts.

Closes https://github.com/Gilnaa/memoffset/issues/4
2022-12-11 21:53:36 +02:00

26 lines
685 B
Rust

extern crate autocfg;
fn main() {
let ac = autocfg::new();
// Check for a minimum version for a few features
if ac.probe_rustc_version(1, 20) {
println!("cargo:rustc-cfg=tuple_ty");
}
if ac.probe_rustc_version(1, 31) {
println!("cargo:rustc-cfg=allow_clippy");
}
if ac.probe_rustc_version(1, 36) {
println!("cargo:rustc-cfg=maybe_uninit");
}
if ac.probe_rustc_version(1, 40) {
println!("cargo:rustc-cfg=doctests");
}
if ac.probe_rustc_version(1, 51) {
println!("cargo:rustc-cfg=raw_ref_macros");
}
if ac.probe_rustc_version(1, 65) {
println!("cargo:rustc-cfg=stable_const");
}
}