Make sure that -lole32 ends up *after* LLVM libs on the linker command line.

Author: vadimcn

src/librustc_llvm/build.rs

@@ -259,4 +259,10 @@ fn main() {
             println!("cargo:rustc-link-lib={}", stdcppname);
         }
     }
+
+    // LLVM requires symbols from this library, but apparently they're not printeds
+    // during llvm-config?
+    if target.contains("windows") {
+        println!("cargo:rustc-link-lib=ole32");
+    }
 }

src/librustc_llvm/ffi.rs

@@ -1662,10 +1662,3 @@ extern "C" {
     pub fn LLVMRustUnsetComdat(V: ValueRef);
     pub fn LLVMRustSetModulePIELevel(M: ModuleRef);
 }
-
-
-// LLVM requires symbols from this library, but apparently they're not printed
-// during llvm-config?
-#[cfg(windows)]
-#[link(name = "ole32")]
-extern "C" {}