auto merge of #16694 : vadimcn/rust/debug-linker, r=alexcrichton

bors · bors · commit 833277e2d2c7 · 2014-08-25T00:00:59.000Z
Shows linker spew even when linking succeeds.  This is occasionally useful in order to see verbose linker output.
diff --git a/src/librustc/back/link.rs b/src/librustc/back/link.rs
@@ -1312,6 +1312,8 @@ fn link_natively(sess: &Session, trans: &CrateTranslation, dylib: bool,
                 sess.note(str::from_utf8(output.as_slice()).unwrap());
                 sess.abort_if_errors();
             }
+            debug!("linker stderr:\n{}", str::from_utf8_owned(prog.error).unwrap());
+            debug!("linker stdout:\n{}", str::from_utf8_owned(prog.output).unwrap());
         },
         Err(e) => {
             sess.err(format!("could not exec the linker `{}`: {}",

Original file line number	Diff line number	Diff line change
`@@ -1312,6 +1312,8 @@ fn link_natively(sess: &Session, trans: &CrateTranslation, dylib: bool,`
`1312`	`1312`	`sess.note(str::from_utf8(output.as_slice()).unwrap());`
`1313`	`1313`	`sess.abort_if_errors();`
`1314`	`1314`	`}`
	`1315`	`+ debug!("linker stderr:\n{}", str::from_utf8_owned(prog.error).unwrap());`
	`1316`	`+ debug!("linker stdout:\n{}", str::from_utf8_owned(prog.output).unwrap());`
`1315`	`1317`	`},`
`1316`	`1318`	`Err(e) => {`
`1317`	`1319`	sess.err(format!("could not exec the linker `{}`: {}",