build.rs

@@ -1,5 +1,6 @@
 use std::{env, path::PathBuf, process::Command};
 
 fn main() {
+    println!("cargo:rustc-link-arg=-rdynamic");
     println!("cargo:rustc-link-lib=z"); // TODO: if features Ruby
 }

src/runtimes/ruby.rs

@@ -72,17 +72,18 @@ impl RubyThread {
         let (sender, receiver) = crossbeam_channel::unbounded::<Box<dyn FnOnce(Ruby) + Send>>();
 
         let handle = thread::spawn(move || {
-            let argc: i32 = 0;
-            let argv = vec![CString::new("ruby").unwrap(), CString::new("-e").unwrap()];
-            let mut argv = argv
-                .iter()
-                .map(|cs| cs.as_ptr() as *mut _)
-                .collect::<Vec<_>>();
+            let argc: i32 = 3;
+            let mut argv = vec![
+                CString::new("ruby").unwrap().into_raw(),
+                CString::new("-e").unwrap().into_raw(),
+                CString::new("").unwrap().into_raw(),
+            ];
 
             unsafe {
                 let mut variable_in_this_stack_frame: VALUE = 0;
                 ruby_init_stack(&mut variable_in_this_stack_frame as *mut VALUE as *mut _);
                 rb_sys::ruby_init();
+                rb_sys::ruby_init_loadpath();
                 rb_sys::ruby_options(argc, argv.as_mut_ptr());
             };
             while let Ok(f) = receiver.recv() {
@@ -90,7 +91,7 @@ impl RubyThread {
                 f(ruby);
             }
             unsafe {
-                ruby_finalize();
+                rb_sys::ruby_finalize();
             }
         });