diff --git a/src/librustc_driver/driver.rs b/src/librustc_driver/driver.rs index e97d83ed1ee..ed680feae0a 100644 --- a/src/librustc_driver/driver.rs +++ b/src/librustc_driver/driver.rs @@ -163,6 +163,13 @@ pub fn compile_input(trans: Box<TransCrate>, return Ok(()) } + if let &Some(ref dir) = outdir { + if fs::create_dir_all(dir).is_err() { + sess.err("failed to find or create the directory specified by --out-dir"); + return Err(CompileIncomplete::Stopped); + } + } + let arenas = AllArenas::new(); // Construct the HIR map