try the same thing

Author: workingjubilee

crates/line-tables-only/build.rs

@@ -4,7 +4,7 @@ fn main() {
     cc::Build::new()
         .opt_level(0)
         .debug(false)
-        .flag("-g2")
+        .flag("-gline-tables-only")
         .file("src/callback.c")
         .compile("libcallback.a");
 }