--subsystem needs -Wl when using non-ld linkers

diff --git a/src/librustc_trans/back/linker.rs b/src/librustc_trans/back/linker.rs
index 48e469e28ee31046021b92b839f2a27a95d6db98..61c57f00de70d5b00c229933d4ff5148767e963b 100644 (file)
--- a/src/librustc_trans/back/linker.rs
+++ b/src/librustc_trans/back/linker.rs
@@ -363,7 +363,7 @@ fn export_symbols(&mut self, tmpdir: &Path, crate_type: CrateType) {
     }
 
     fn subsystem(&mut self, subsystem: &str) {
-        self.cmd.arg(&format!("--subsystem,{}", subsystem));
+        self.linker_arg(&format!("--subsystem,{}", subsystem));
     }
 
     fn finalize(&mut self) -> Command {