Android: Disable 'sincos' optimization to avoid 'icu' link errors.

icu.gyp

 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 {
   'variables': {
     'use_system_icu%': 0,
     'icu_use_data_file_flag%': 0,
   },
   'target_defaults': {
@@ skipping 301 matching lines @@
                 ],
               },
               'cflags': [
                 '-Wno-deprecated-declarations',
                 '-Wno-logical-op-parentheses',
                 '-Wno-tautological-compare',
                 '-Wno-header-hygiene',
                 '-Wno-return-type-c-linkage',
               ],
             }],
+            ['OS == "android" and clang==0', {
+                # Disable sincos() optimization to avoid a linker error since
+                # Android's math library doesn't have sincos().  Either
+                # -fno-builtin-sin or -fno-builtin-cos works.
+                'cflags': [
+                    '-fno-builtin-sin',
+                ],
+            }],
             ['OS == "android" and use_system_stlport == 1', {
               # ICU requires RTTI, which is not present in the system's stlport,
               # so we have to include gabi++.
               'include_dirs': [
                 '<(android_src)/abi/cpp/include',
               ],
               'link_settings': {
                 'libraries': [
                   '-lgabi++',
                 ],
@@ skipping 475 matching lines @@
             ],
           },
           'includes': [
             '../../build/shim_headers.gypi',
           ],
         },
       ],
     }],
   ],
 }