Make arch-specific constants dependent on sys.info().machine

pkg/os/lib/src/errno.dart

 // Copyright (c) 2014, the Dartino project authors. Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE.md file.
 
 part of os;
 
 final Errnos errnos = _getErrnos();
 
 Errnos _getErrnos() {
   switch (Foreign.platform) {
@@ skipping 83 matching lines @@
   int get ENOSPC => 28;
   int get ESPIPE => 29;
   int get EROFS => 30;
   int get EMLINK => 31;
   int get EPIPE => 32;
   int get EDOM => 33;
   int get ERANGE => 34;
 }
 
 class _LinuxErrnos extends _PosixErrnos {
-  int get EADDRNOTAVAIL => 99;
-  int get EINPROGRESS => 115;
+  static final bool isMips = sys.info().machine == 'mips';
+  int get EADDRNOTAVAIL => isMips ? 126 : 99;
+  int get EINPROGRESS => isMips ? 150 : 115;
 }
 
 class _MacOSErrnos extends _PosixErrnos {
   int get EADDRNOTAVAIL => 49;
   int get EINPROGRESS => 36;
 }