matrixmultiply/
archmacros.rs

1
2#[cfg(any(target_arch = "x86", target_arch = "x86_64", target_arch="aarch64"))]
3macro_rules! compile_env_matches_or_is_empty {
4    ($envvar:tt, $feature_name:tt) => {
5        (match option_env!($envvar) {
6            None => true,
7            Some(v) => v == $feature_name
8        })
9    }
10}
11