Fixes ABI bug in MIPS.

samples/sample_extension/sample_extension.gyp

Index: samples/sample_extension/sample_extension.gyp
===================================================================
--- samples/sample_extension/sample_extension.gyp	(revision 32137)
+++ samples/sample_extension/sample_extension.gyp	(working copy)
@@ -44,5 +44,42 @@
         }],
       ],
     },
+    {
+      'target_name': 'sample_extension_no_autoscope',
+      'type': 'shared_library',
+      'dependencies': [
+        '../../runtime/dart-runtime.gyp:dart',
+      ],
+      'include_dirs': [
+        '../../runtime',
+      ],
+      'sources': [
+        'sample_extension_no_autoscope.cc',
+        'sample_extension_no_autoscope_dllmain_win.cc',
+      ],
+      'defines': [
+        'DART_SHARED_LIB',
+      ],
+      'conditions': [
+        ['OS=="win"', {
+          'msvs_settings': {
+            'VCLinkerTool': {
+              'AdditionalDependencies': [ 'dart.lib' ],
+              'AdditionalLibraryDirectories': [ '<(PRODUCT_DIR)' ],
+            },
+          },
+        }],
+        ['OS=="mac"', {
+          'xcode_settings': {
+            'OTHER_LDFLAGS': [ '-undefined', 'dynamic_lookup' ],
+          },
+        }],
+        ['OS=="linux"', {
+          'cflags': [
+            '-fPIC',
+          ],
+        }],
+      ],
+    },
   ],
 }