Disable nightly stdsimd on too-new rustc (#201)

tkaitchuck · Feb 10, 2024 · 11dddbd · 11dddbd
1 parent 6d1e836
commit 11dddbd
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/build.rs b/build.rs
@@ -7,7 +7,9 @@ fn main() {
     if let Some(channel) = version_check::Channel::read() {
         if channel.supports_features() {
             println!("cargo:rustc-cfg=feature=\"specialize\"");
-            println!("cargo:rustc-cfg=feature=\"stdsimd\"");
+            if version_check::Version::read().map_or(false, |v| v.at_most("1.77.9")) {
+                println!("cargo:rustc-cfg=feature=\"stdsimd\"");
+            }
         }
     }
     let os = env::var("CARGO_CFG_TARGET_OS").expect("CARGO_CFG_TARGET_OS was not set");