November 11, 2013 06:16 · Nov 11, 2013
diff --git a/Makefile b/Makefile
@@ -0,0 +1,6 @@
+all: libfoo.dylib bar.c
+	clang bar.c -o bar -L. -lfoo -Wl,-rpath,`pwd`
+
+libfoo.dylib: foo.rs
+	rustc --lib foo.rs 
+	ln -nsf libfoo-*.dylib libfoo.dylib
diff --git a/bar.c b/bar.c
@@ -0,0 +1,21 @@
+void foo();
+void factory();
+
+struct {
+  int version;
+  void *entry_data;
+  int entry_len;
+  void *children_data;
+  int children_len;
+  void *f;
+} _rust_crate_map_toplevel = {
+  2, 
+  0, 0,
+  0, 0,
+  factory
+};
+
+int main() {
+  foo();
+  return 0;
+}
diff --git a/foo.rs b/foo.rs
@@ -0,0 +1,17 @@
+extern mod rustuv;
+
+use std::rt;
+use std::rt::rtio::EventLoop;
+use std::ptr;
+
+#[no_mangle]
+pub extern "C" fn factory() -> ~EventLoop {
+  rustuv::uvio::new_loop()
+}
+
+#[no_mangle]
+pub extern "C" fn foo() {
+  do rt::start(0, ptr::null()) {
+    println!("hello");
+  };
+}