--- ./gcc/collect2.c.ORIGIN	2017-09-27 15:53:31 -0500
+++ ./gcc/collect2.c	2017-09-27 15:54:08 -0500
@@ -1465,7 +1465,7 @@
 	    }
 	}
       else if ((p = strrchr (arg, '.')) != (char *) 0
-	       && (strcmp (p, ".o") == 0 || strcmp (p, ".a") == 0
+	       && (strcmp (p, ".o") == 0 || strncmp (p, ".a", 2) == 0 // cgo
 		   || strcmp (p, ".so") == 0 || strcmp (p, ".lo") == 0
 		   || strcmp (p, ".obj") == 0))
 	{