Wrap entries.rs in a top-level macro

Author: kulp

build.rs

@@ -8,7 +8,7 @@ use std::cell::RefCell;
 use std::collections::BTreeMap;
 use std::collections::BTreeSet;
 use std::env;
-use std::io::Read;
+use std::io::{Read, Write};
 use std::panic::AssertUnwindSafe;
 use std::path::{PathBuf, Path};
 use std::process::Command;
@@ -266,10 +266,11 @@ fn main() {
 
     let output = generate(relevant);
     let mut file = std::fs::File::create(out_path.join("entries.rs")).unwrap();
+    writeln!(file, "jit_entries!{{").unwrap();
     for line in output {
-        use std::io::Write;
-        writeln!(file, "{}", line).unwrap();
+        writeln!(file, "    {}", line).unwrap();
     }
+    writeln!(file, "}}").unwrap();
 
     // Write the bindings to the $OUT_DIR/bindings.rs file.
     bindings

src/raw.rs

@@ -277,5 +277,9 @@ macro_rules! jit_entry {
     };
 }
 
+macro_rules! jit_entries {
+    ( $( $tokens:tt )* ) => { $( $tokens )* };
+}
+
 include!(concat!(env!("OUT_DIR"), "/entries.rs"));