Pass -march=i686 for i686 Linux

See: * rust-lang/rust#34650 * rust-lang/rust#34578
rust-lang · Jul 15, 2016 · a979551 · a979551
1 parent f1ae927
commit a979551
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/src/lib.rs b/src/lib.rs
@@ -457,6 +457,9 @@ impl Config {
             if target.starts_with("i586-unknown-linux-") {
                 cmd.args.push("-march=pentium".into());
             }
+            if target.starts_with("i686-unknown-linux-") {
+                cmd.args.push("-march=i686".into());
+            }
         }
 
         if self.cpp && !msvc {